{"id":10006895,"date":"2022-11-22T17:28:46","date_gmt":"2022-11-22T09:28:46","guid":{"rendered":"https:\/\/ityet.com\/?p=10006895"},"modified":"2022-11-22T17:28:46","modified_gmt":"2022-11-22T09:28:46","slug":"%e5%bf%ab%e6%94%b6%e8%97%8f%ef%bc%81%e6%9c%80%e5%85%a8go%e8%af%ad%e8%a8%80%e5%ae%9e%e7%8e%b0%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006895","title":{"rendered":"\u5feb\u6536\u85cf\uff01\u6700\u5168GO\u8bed\u8a00\u5b9e\u73b0\u8bbe\u8ba1\u6a21\u5f0f"},"content":{"rendered":"

\"\u56fe\u7247\"<\/p>\n

\u5bfc\u8bed| \u8bbe\u8ba1\u6a21\u5f0f\u662f\u9488\u5bf9\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u5e38\u89c1\u95ee\u9898\u7684\u5de5\u5177\u7bb1\uff0c\u5176\u4e2d\u7684\u5de5\u5177\u5c31\u662f\u5404\u79cd\u7ecf\u8fc7\u5b9e\u8df5\u9a8c\u8bc1\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5373\u4f7f\u4f60\u4ece\u672a\u9047\u5230\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u4e86\u89e3\u6a21\u5f0f\u4ecd\u7136\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u80fd\u6307\u5bfc\u4f60\u5982\u4f55\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u8bbe\u8ba1\u539f\u5219\u6765\u89e3\u51b3\u5404\u79cd\u95ee\u9898\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\uff0c\u964d\u4f4e\u5f00\u53d1\u6210\u672c\uff1b\u672c\u6587\u56ca\u62ec\u4e86GO\u8bed\u8a00\u5b9e\u73b0\u7684\u7ecf\u5178\u8bbe\u8ba1\u6a21\u5f0f\u793a\u4f8b\uff0c\u6bcf\u4e2a\u793a\u4f8b\u90fd\u7cbe\u5fc3\u8bbe\u8ba1\uff0c\u529b\u6c42\u7b26\u5408\u6a21\u5f0f\u7ed3\u6784\uff0c\u53ef\u4f5c\u4e3a\u65e5\u5e38\u7f16\u7801\u53c2\u8003\uff0c\u540c\u65f6\u4e00\u4e9b\u5e38\u7528\u7684\u8bbe\u8ba1\u6a21\u5f0f\u878d\u5165\u4e86\u5f00\u53d1\u5b9e\u8df5\u7ecf\u9a8c\u603b\u7ed3\uff0c\u5e2e\u52a9\u5927\u5bb6\u5728\u5e73\u65f6\u5de5\u4f5c\u4e2d\u7075\u6d3b\u8fd0\u7528\u3002<\/p>\n

\"\u56fe\u7247\"<\/p>\n

\u8d23\u4efb\u94fe\u6a21\u5f0f<\/strong><\/p>\n

(\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n

\u8d23\u4efb\u94fe\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c \u5141\u8bb8\u4f60\u5c06\u8bf7\u6c42\u6cbf\u7740\u5904\u7406\u8005\u94fe\u8fdb\u884c\u53d1\u9001\u3002\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u6bcf\u4e2a\u5904\u7406\u8005\u5747\u53ef\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\uff0c\u6216\u5c06\u5176\u4f20\u9012\u7ed9\u94fe\u4e0a\u7684\u4e0b\u4e2a\u5904\u7406\u8005\u3002<\/p>\n

\u8be5\u6a21\u5f0f\u5141\u8bb8\u591a\u4e2a\u5bf9\u8c61\u6765\u5bf9\u8bf7\u6c42\u8fdb\u884c\u5904\u7406\uff0c\u800c\u65e0\u9700\u8ba9\u53d1\u9001\u8005\u7c7b\u4e0e\u5177\u4f53\u63a5\u6536\u8005\u7c7b\u76f8\u8026\u5408\u3002\u94fe\u53ef\u5728\u8fd0\u884c\u65f6\u7531\u9075\u5faa\u6807\u51c6\u5904\u7406\u8005\u63a5\u53e3\u7684\u4efb\u610f\u5904\u7406\u8005\u52a8\u6001\u751f\u6210\u3002<\/p>\n

\u4e00\u822c\u610f\u4e49\u4e0a\u7684\u8d23\u4efb\u94fe\u6a21\u5f0f\u662f\u8bf4\uff0c\u8bf7\u6c42\u5728\u94fe\u4e0a\u6d41\u8f6c\u65f6\u4efb\u4f55\u4e00\u4e2a\u6ee1\u8db3\u6761\u4ef6\u7684\u8282\u70b9\u5904\u7406\u5b8c\u8bf7\u6c42\u540e\u5c31\u4f1a\u505c\u6b62\u6d41\u8f6c\u5e76\u8fd4\u56de\uff0c\u4e0d\u8fc7\u8fd8\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u4e1a\u52a1\u60c5\u51b5\u505a\u4e00\u4e9b\u6539\u8fdb\uff1a<\/p>\n

    \n
  • \u8bf7\u6c42\u53ef\u4ee5\u6d41\u7ecf\u5904\u7406\u94fe\u7684\u6240\u6709\u8282\u70b9\uff0c\u4e0d\u540c\u8282\u70b9\u4f1a\u5bf9\u8bf7\u6c42\u505a\u4e0d\u540c\u804c\u8d23\u7684\u5904\u7406\uff1b<\/li>\n<\/ul>\n
      \n
    • \u53ef\u4ee5\u901a\u8fc7\u4e0a\u4e0b\u6587\u53c2\u6570\u4fdd\u5b58\u8bf7\u6c42\u5bf9\u8c61\u53ca\u4e0a\u6e38\u8282\u70b9\u7684\u5904\u7406\u7ed3\u679c\uff0c\u4f9b\u4e0b\u6e38\u8282\u70b9\u4f9d\u8d56\uff0c\u5e76\u8fdb\u4e00\u6b65\u5904\u7406\uff1b<\/li>\n<\/ul>\n
        \n
      • \u5904\u7406\u94fe\u53ef\u652f\u6301\u8282\u70b9\u7684\u5f02\u6b65\u5904\u7406\uff0c\u901a\u8fc7\u5b9e\u73b0\u7279\u5b9a\u63a5\u53e3\u5224\u65ad\uff0c\u662f\u5426\u9700\u8981\u5f02\u6b65\u5904\u7406\uff1b<\/li>\n<\/ul>\n
          \n
        • \u8d23\u4efb\u94fe\u5bf9\u4e8e\u8bf7\u6c42\u5904\u7406\u8282\u70b9\u53ef\u4ee5\u8bbe\u7f6e\u505c\u6b62\u6807\u5fd7\u4f4d\uff0c\u4e0d\u662f\u5f02\u5e38\uff0c\u662f\u4e00\u79cd\u6ee1\u8db3\u4e1a\u52a1\u6d41\u8f6c\u7684\u4e2d\u65ad\uff1b<\/li>\n<\/ul>\n
            \n
          • \u8d23\u4efb\u94fe\u7684\u62fc\u63a5\u65b9\u5f0f\u5b58\u5728\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u8282\u70b9\u904d\u5386\uff0c\u4e00\u4e2a\u8282\u70b9\u4e00\u4e2a\u8282\u70b9\u987a\u5e8f\u6267\u884c\uff1b\u53e6\u4e00\u79cd\u662f\u8282\u70b9\u5d4c\u5957\uff0c\u5185\u5c42\u8282\u70b9\u5d4c\u5165\u5728\u5916\u5c42\u8282\u70b9\u6267\u884c\u903b\u8f91\u4e2d\uff0c\u7c7b\u4f3c\u9012\u5f52\uff0c\u6216\u8005\u201c\u56de\u201d\u884c\u7ed3\u6784\uff1b<\/li>\n<\/ul>\n
              \n
            • \u8d23\u4efb\u94fe\u7684\u8282\u70b9\u5d4c\u5957\u62fc\u63a5\u65b9\u5f0f\u591a\u88ab\u79f0\u4e3a\u62e6\u622a\u5668\u94fe\u6216\u8005\u8fc7\u6ee4\u5668\u94fe\uff0c\u66f4\u6613\u4e8e\u5b9e\u73b0\u4e1a\u52a1\u6d41\u7a0b\u7684\u5207\u9762\uff0c\u6bd4\u5982\u76d1\u63a7\u4e1a\u52a1\u6267\u884c\u65f6\u957f\uff0c\u65e5\u5fd7\u8f93\u51fa\uff0c\u6743\u9650\u6821\u9a8c\u7b49\uff1b<\/li>\n<\/ul>\n

              \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n

              \u672c\u793a\u4f8b\u6a21\u62df\u5b9e\u73b0\u673a\u573a\u767b\u673a\u8fc7\u7a0b\uff0c\u7b2c\u4e00\u6b65\u529e\u7406\u767b\u673a\u724c\uff0c\u7b2c\u4e8c\u6b65\u5982\u679c\u6709\u884c\u674e\uff0c\u5c31\u529e\u7406\u6258\u8fd0\uff0c\u7b2c\u4e09\u6b65\u6838\u5b9e\u8eab\u4efd\uff0c\u7b2c\u56db\u6b65\u5b89\u5168\u68c0\u67e5\uff0c\u7b2c\u4e94\u6b65\u5b8c\u6210\u767b\u673a\uff1b\u5176\u4e2d\u884c\u674e\u6258\u8fd0\u662f\u53ef\u9009\u7684\uff0c\u5176\u4ed6\u6b65\u9aa4\u5fc5\u9009\uff0c\u5fc5\u9009\u6b65\u9aa4\u6709\u4efb\u4f55\u4e0d\u6ee1\u8db3\u5c31\u7ec8\u6b62\u767b\u673a\uff1b\u65c5\u5ba2\u5bf9\u8c61\u4f5c\u4e3a\u8bf7\u6c42\u53c2\u6570\u4e0a\u4e0b\u6587\uff0c\u6bcf\u4e2a\u6b65\u9aa4\u4f1a\u6839\u636e\u65c5\u5ba2\u5bf9\u8c61\u72b6\u6001\u5224\u65ad\u662f\u5426\u5904\u7406\u6216\u6d41\u8f6c\u4e0b\u4e00\u4e2a\u8282\u70b9\uff1b<\/p>\n

              \uff08\u4e09\uff09\u767b\u673a\u8fc7\u7a0b<\/strong><\/h4>\n
              package chainofresponsibility\n\nimport "fmt"\n\n\/\/ BoardingProcessor \u767b\u673a\u8fc7\u7a0b\u4e2d\uff0c\u5404\u8282\u70b9\u7edf\u4e00\u5904\u7406\u63a5\u53e3\ntype BoardingProcessor interface {\n  SetNextProcessor(processor BoardingProcessor)\n  ProcessFor(passenger *Passenger)\n}\n\n\/\/ Passenger \u65c5\u5ba2\ntype Passenger struct {\n  name                  string \/\/ \u59d3\u540d\n  hasBoardingPass       bool   \/\/ \u662f\u5426\u529e\u7406\u767b\u673a\u724c\n  hasLuggage            bool   \/\/ \u662f\u5426\u6709\u884c\u674e\u9700\u8981\u6258\u8fd0\n  isPassIdentityCheck   bool   \/\/ \u662f\u5426\u901a\u8fc7\u8eab\u4efd\u6821\u9a8c\n  isPassSecurityCheck   bool   \/\/ \u662f\u5426\u901a\u8fc7\u5b89\u68c0\n  isCompleteForBoarding bool   \/\/ \u662f\u5426\u5b8c\u6210\u767b\u673a\n}\n\n\/\/ baseBoardingProcessor \u767b\u673a\u6d41\u7a0b\u5904\u7406\u5668\u57fa\u7c7b\ntype baseBoardingProcessor struct {\n  \/\/ nextProcessor \u4e0b\u4e00\u4e2a\u767b\u673a\u5904\u7406\u6d41\u7a0b\n  nextProcessor BoardingProcessor\n}\n\n\/\/ SetNextProcessor \u57fa\u7c7b\u4e2d\u7edf\u4e00\u5b9e\u73b0\u8bbe\u7f6e\u4e0b\u4e00\u4e2a\u5904\u7406\u5668\u65b9\u6cd5\nfunc (b *baseBoardingProcessor) SetNextProcessor(processor BoardingProcessor) {\n  b.nextProcessor = processor\n}\n\n\/\/ ProcessFor \u57fa\u7c7b\u4e2d\u7edf\u4e00\u5b9e\u73b0\u4e0b\u4e00\u4e2a\u5904\u7406\u5668\u6d41\u8f6c\nfunc (b *baseBoardingProcessor) ProcessFor(passenger *Passenger) {\n  if b.nextProcessor != nil {\n    b.nextProcessor.ProcessFor(passenger)\n  }\n}\n\n\/\/ boardingPassProcessor \u529e\u7406\u767b\u673a\u724c\u5904\u7406\u5668\ntype boardingPassProcessor struct {\n  baseBoardingProcessor \/\/ \u5f15\u7528\u57fa\u7c7b\n}\n\nfunc (b *boardingPassProcessor) ProcessFor(passenger *Passenger) {\n  if !passenger.hasBoardingPass {\n    fmt.Printf("\u4e3a\u65c5\u5ba2%s\u529e\u7406\u767b\u673a\u724c;\/n", passenger.name)\n    passenger.hasBoardingPass = true\n  }\n  \/\/ \u6210\u529f\u529e\u7406\u767b\u673a\u724c\u540e\uff0c\u8fdb\u5165\u4e0b\u4e00\u4e2a\u6d41\u7a0b\u5904\u7406\n  b.baseBoardingProcessor.ProcessFor(passenger)\n}\n\n\/\/ luggageCheckInProcessor \u6258\u8fd0\u884c\u674e\u5904\u7406\u5668\ntype luggageCheckInProcessor struct {\n  baseBoardingProcessor\n}\n\nfunc (l *luggageCheckInProcessor) ProcessFor(passenger *Passenger) {\n  if !passenger.hasBoardingPass {\n    fmt.Printf("\u65c5\u5ba2%s\u672a\u529e\u7406\u767b\u673a\u724c\uff0c\u4e0d\u80fd\u6258\u8fd0\u884c\u674e;\/n", passenger.name)\n    return\n  }\n  if passenger.hasLuggage {\n    fmt.Printf("\u4e3a\u65c5\u5ba2%s\u529e\u7406\u884c\u674e\u6258\u8fd0;\/n", passenger.name)\n  }\n  l.baseBoardingProcessor.ProcessFor(passenger)\n}\n\n\/\/ identityCheckProcessor \u6821\u9a8c\u8eab\u4efd\u5904\u7406\u5668\ntype identityCheckProcessor struct {\n  baseBoardingProcessor\n}\n\nfunc (i *identityCheckProcessor) ProcessFor(passenger *Passenger) {\n  if !passenger.hasBoardingPass {\n    fmt.Printf("\u65c5\u5ba2%s\u672a\u529e\u7406\u767b\u673a\u724c\uff0c\u4e0d\u80fd\u529e\u7406\u8eab\u4efd\u6821\u9a8c;\/n", passenger.name)\n    return\n  }\n  if !passenger.isPassIdentityCheck {\n    fmt.Printf("\u4e3a\u65c5\u5ba2%s\u6838\u5b9e\u8eab\u4efd\u4fe1\u606f;\/n", passenger.name)\n    passenger.isPassIdentityCheck = true\n  }\n  i.baseBoardingProcessor.ProcessFor(passenger)\n}\n\n\/\/ securityCheckProcessor \u5b89\u68c0\u5904\u7406\u5668\ntype securityCheckProcessor struct {\n  baseBoardingProcessor\n}\n\nfunc (s *securityCheckProcessor) ProcessFor(passenger *Passenger) {\n  if !passenger.hasBoardingPass {\n    fmt.Printf("\u65c5\u5ba2%s\u672a\u529e\u7406\u767b\u673a\u724c\uff0c\u4e0d\u80fd\u8fdb\u884c\u5b89\u68c0;\/n", passenger.name)\n    return\n  }\n  if !passenger.isPassSecurityCheck {\n    fmt.Printf("\u4e3a\u65c5\u5ba2%s\u8fdb\u884c\u5b89\u68c0;\/n", passenger.name)\n    passenger.isPassSecurityCheck = true\n  }\n  s.baseBoardingProcessor.ProcessFor(passenger)\n}\n\n\/\/ completeBoardingProcessor \u5b8c\u6210\u767b\u673a\u5904\u7406\u5668\ntype completeBoardingProcessor struct {\n  baseBoardingProcessor\n}\n\nfunc (c *completeBoardingProcessor) ProcessFor(passenger *Passenger) {\n  if !passenger.hasBoardingPass ||\n    !passenger.isPassIdentityCheck ||\n    !passenger.isPassSecurityCheck {\n    fmt.Printf("\u65c5\u5ba2%s\u767b\u673a\u68c0\u67e5\u8fc7\u7a0b\u672a\u5b8c\u6210\uff0c\u4e0d\u80fd\u767b\u673a;\/n", passenger.name)\n    return\n  }\n  passenger.isCompleteForBoarding = true\n  fmt.Printf("\u65c5\u5ba2%s\u6210\u529f\u767b\u673a;\/n", passenger.name)\n}<\/code><\/pre>\n
              \uff08\u56db\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
              package chainofresponsibility\n\nimport "testing"\n\nfunc TestChainOfResponsibility(t *testing.T) {\n  boardingProcessor := BuildBoardingProcessorChain()\n  passenger := &Passenger{\n    name:                  "\u674e\u56db",\n    hasBoardingPass:       false,\n    hasLuggage:            true,\n    isPassIdentityCheck:   false,\n    isPassSecurityCheck:   false,\n    isCompleteForBoarding: false,\n  }\n  boardingProcessor.ProcessFor(passenger)\n}\n\n\/\/ BuildBoardingProcessorChain \u6784\u5efa\u767b\u673a\u6d41\u7a0b\u5904\u7406\u94fe\nfunc BuildBoardingProcessorChain() BoardingProcessor {\n  completeBoardingNode := &completeBoardingProcessor{}\n\n  securityCheckNode := &securityCheckProcessor{}\n  securityCheckNode.SetNextProcessor(completeBoardingNode)\n\n  identityCheckNode := &identityCheckProcessor{}\n  identityCheckNode.SetNextProcessor(securityCheckNode)\n\n  luggageCheckInNode := &luggageCheckInProcessor{}\n  luggageCheckInNode.SetNextProcessor(identityCheckNode)\n\n  boardingPassNode := &boardingPassProcessor{}\n  boardingPassNode.SetNextProcessor(luggageCheckInNode)\n  return boardingPassNode\n}<\/code><\/pre>\n
              \uff08\u4e94\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
              === RUN   TestChainOfResponsibility\n\u4e3a\u65c5\u5ba2\u674e\u56db\u529e\u7406\u767b\u673a\u724c;\n\u4e3a\u65c5\u5ba2\u674e\u56db\u529e\u7406\u884c\u674e\u6258\u8fd0;\n\u4e3a\u65c5\u5ba2\u674e\u56db\u6838\u5b9e\u8eab\u4efd\u4fe1\u606f;\n\u4e3a\u65c5\u5ba2\u674e\u56db\u8fdb\u884c\u5b89\u68c0;\n\u65c5\u5ba2\u674e\u56db\u6210\u529f\u767b\u673a;\n--- PASS: TestChainOfResponsibility (0.00s)\nPASS<\/code><\/pre>\n
              \"\u56fe\u7247\"<\/p>\n
              \u547d\u4ee4\u6a21\u5f0f<\/strong><\/h2>\n
              \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/p>\n
              \u547d\u4ee4\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u53ef\u5c06\u8bf7\u6c42\u8f6c\u6362\u4e3a\u4e00\u4e2a\u5305\u542b\u4e0e\u8bf7\u6c42\u76f8\u5173\u7684\u6240\u6709\u4fe1\u606f\u7684\u72ec\u7acb\u5bf9\u8c61\u3002\u8be5\u8f6c\u6362\u8ba9\u4f60\u80fd\u6839\u636e\u4e0d\u540c\u7684\u8bf7\u6c42\u5c06\u65b9\u6cd5\u53c2\u6570\u5316\u3001\u5ef6\u8fdf\u8bf7\u6c42\u6267\u884c\u6216\u5c06\u5176\u653e\u5165\u961f\u5217\u4e2d\uff0c\u4e14\u80fd\u5b9e\u73b0\u53ef\u64a4\u9500\u64cd\u4f5c\u3002<\/p>\n
              \u65b9\u6cd5\u53c2\u6570\u5316\u662f\u6307\u5c06\u6bcf\u4e2a\u8bf7\u6c42\u53c2\u6570\u4f20\u5165\u5177\u4f53\u547d\u4ee4\u7684\u5de5\u5382\u65b9\u6cd5\uff08go\u8bed\u8a00\u6ca1\u6709\u6784\u9020\u51fd\u6570\uff09\u521b\u5efa\u547d\u4ee4\uff0c\u540c\u65f6\u5177\u4f53\u547d\u4ee4\u4f1a\u9ed8\u8ba4\u8bbe\u7f6e\u597d\u63a5\u53d7\u5bf9\u8c61\uff0c\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u4e0d\u7ba1\u8bf7\u6c42\u53c2\u6570\u4e2a\u6570\u53ca\u7c7b\u578b\uff0c\u8fd8\u662f\u63a5\u53d7\u5bf9\u8c61\u6709\u51e0\u4e2a\uff0c\u90fd\u4f1a\u88ab\u5c01\u88c5\u5230\u5177\u4f53\u547d\u4ee4\u5bf9\u8c61\u7684\u6210\u5458\u5b57\u6bb5\u4e0a\uff0c\u5e76\u901a\u8fc7\u7edf\u4e00\u7684Execute\u63a5\u53e3\u65b9\u6cd5\u8fdb\u884c\u8c03\u7528\uff0c\u5c4f\u853d\u5404\u4e2a\u8bf7\u6c42\u7684\u5dee\u5f02\uff0c\u4fbf\u4e8e\u547d\u4ee4\u6269\u5c55\uff0c\u591a\u547d\u4ee4\u7ec4\u88c5\uff0c\u56de\u6eda\u7b49\uff1b<\/p>\n
              \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
              \u63a7\u5236\u7535\u996d\u7172\u505a\u996d\u662f\u4e00\u4e2a\u5178\u578b\u7684\u547d\u4ee4\u6a21\u5f0f\u7684\u573a\u666f\uff0c\u7535\u996d\u7172\u7684\u63a7\u5236\u9762\u677f\u4f1a\u63d0\u4f9b\u8bbe\u7f6e\u716e\u7ca5\u3001\u84b8\u996d\u6a21\u5f0f\uff0c\u53ca\u5f00\u59cb\u548c\u505c\u6b62\u6309\u94ae\uff0c\u7535\u996d\u7172\u63a7\u5236\u7cfb\u7edf\u4f1a\u6839\u636e\u6a21\u5f0f\u7684\u4e0d\u540c\u8bbe\u7f6e\u76f8\u5e94\u7684\u706b\u529b\uff0c\u538b\u5f3a\u53ca\u65f6\u95f4\u7b49\u53c2\u6570\uff1b\u716e\u7ca5\uff0c\u84b8\u996d\u5c31\u76f8\u5f53\u4e8e\u4e0d\u540c\u7684\u547d\u4ee4\uff0c\u5f00\u59cb\u6309\u94ae\u5c31\u76f8\u5f53\u547d\u4ee4\u89e6\u53d1\u5668\uff0c\u8bbe\u7f6e\u597d\u505a\u996d\u6a21\u5f0f\uff0c\u70b9\u51fb\u5f00\u59cb\u6309\u94ae\u7535\u996d\u7172\u5c31\u5f00\u59cb\u8fd0\u884c\uff0c\u540c\u65f6\u8fd8\u652f\u6301\u505c\u6b62\u547d\u4ee4\uff1b<\/p>\n
              \uff08\u4e09\uff09\u7535\u996d\u7172\u63a5\u6536\u5668<\/strong><\/h4>\n
              package command\n\nimport "fmt"\n\n\/\/ ElectricCooker \u7535\u996d\u7172\ntype ElectricCooker struct {\n  fire     string \/\/ \u706b\u529b\n  pressure string \/\/ \u538b\u529b\n}\n\n\/\/ SetFire \u8bbe\u7f6e\u706b\u529b\nfunc (e *ElectricCooker) SetFire(fire string) {\n  e.fire = fire\n}\n\n\/\/ SetPressure \u8bbe\u7f6e\u538b\u529b\nfunc (e *ElectricCooker) SetPressure(pressure string) {\n  e.pressure = pressure\n}\n\n\/\/ Run \u6301\u7eed\u8fd0\u884c\u6307\u5b9a\u65f6\u95f4\nfunc (e *ElectricCooker) Run(duration string) string {\n  return fmt.Sprintf("\u7535\u996d\u7172\u8bbe\u7f6e\u706b\u529b\u4e3a%s,\u538b\u529b\u4e3a%s,\u6301\u7eed\u8fd0\u884c%s;", e.fire, e.pressure, duration)\n}\n\n\/\/ Shutdown \u505c\u6b62\nfunc (e *ElectricCooker) Shutdown() string {\n  return "\u7535\u996d\u7172\u505c\u6b62\u8fd0\u884c\u3002"\n}<\/code><\/pre>\n
              \uff08\u56db\uff09\u7535\u996d\u7172\u547d\u4ee4<\/strong><\/p>\n
              package command\n\n\/\/ CookCommand \u505a\u996d\u6307\u4ee4\u63a5\u53e3\ntype CookCommand interface {\n  Execute() string \/\/ \u6307\u4ee4\u6267\u884c\u65b9\u6cd5\n}\n\n\/\/ steamRiceCommand \u84b8\u996d\u6307\u4ee4\ntype steamRiceCommand struct {\n  electricCooker *ElectricCooker \/\/ \u7535\u996d\u7172\n}\n\nfunc NewSteamRiceCommand(electricCooker *ElectricCooker) *steamRiceCommand {\n  return &steamRiceCommand{\n    electricCooker: electricCooker,\n  }\n}\n\nfunc (s *steamRiceCommand) Execute() string {\n  s.electricCooker.SetFire("\u4e2d")\n  s.electricCooker.SetPressure("\u6b63\u5e38")\n  return "\u84b8\u996d:" + s.electricCooker.Run("30\u5206\u949f")\n}\n\n\/\/ cookCongeeCommand \u716e\u7ca5\u6307\u4ee4\ntype cookCongeeCommand struct {\n  electricCooker *ElectricCooker\n}\n\nfunc NewCookCongeeCommand(electricCooker *ElectricCooker) *cookCongeeCommand {\n  return &cookCongeeCommand{\n    electricCooker: electricCooker,\n  }\n}\n\nfunc (c *cookCongeeCommand) Execute() string {\n  c.electricCooker.SetFire("\u5927")\n  c.electricCooker.SetPressure("\u5f3a")\n  return "\u716e\u7ca5:" + c.electricCooker.Run("45\u5206\u949f")\n}\n\n\/\/ shutdownCommand \u505c\u6b62\u6307\u4ee4\ntype shutdownCommand struct {\n  electricCooker *ElectricCooker\n}\n\nfunc NewShutdownCommand(electricCooker *ElectricCooker) *shutdownCommand {\n  return &shutdownCommand{\n    electricCooker: electricCooker,\n  }\n}\n\nfunc (s *shutdownCommand) Execute() string {\n  return s.electricCooker.Shutdown()\n}\n\n\/\/ ElectricCookerInvoker \u7535\u996d\u7172\u6307\u4ee4\u89e6\u53d1\u5668\ntype ElectricCookerInvoker struct {\n  cookCommand CookCommand\n}\n\n\/\/ SetCookCommand \u8bbe\u7f6e\u6307\u4ee4\nfunc (e *ElectricCookerInvoker) SetCookCommand(cookCommand CookCommand) {\n  e.cookCommand = cookCommand\n}\n\n\/\/ ExecuteCookCommand \u6267\u884c\u6307\u4ee4\nfunc (e *ElectricCookerInvoker) ExecuteCookCommand() string {\n  return e.cookCommand.Execute()\n}<\/code><\/pre>\n
              \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/p>\n
              package command\n\nimport (\n  "fmt"\n  "testing"\n)\n\nfunc TestCommand(t *testing.T) {\n  \/\/ \u521b\u5efa\u7535\u996d\u7172\uff0c\u547d\u4ee4\u63a5\u53d7\u8005\n  electricCooker := new(ElectricCooker)\n  \/\/ \u521b\u5efa\u7535\u996d\u7172\u6307\u4ee4\u89e6\u53d1\u5668\n  electricCookerInvoker := new(ElectricCookerInvoker)\n\n  \/\/ \u84b8\u996d\n  steamRiceCommand := NewSteamRiceCommand(electricCooker)\n  electricCookerInvoker.SetCookCommand(steamRiceCommand)\n  fmt.Println(electricCookerInvoker.ExecuteCookCommand())\n\n  \/\/ \u716e\u7ca5\n  cookCongeeCommand := NewCookCongeeCommand(electricCooker)\n  electricCookerInvoker.SetCookCommand(cookCongeeCommand)\n  fmt.Println(electricCookerInvoker.ExecuteCookCommand())\n\n  \/\/ \u505c\u6b62\n  shutdownCommand := NewShutdownCommand(electricCooker)\n  electricCookerInvoker.SetCookCommand(shutdownCommand)\n  fmt.Println(electricCookerInvoker.ExecuteCookCommand())\n}<\/code><\/pre>\n
              \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
              === RUN   TestCommand\n\u84b8\u996d:\u7535\u996d\u7172\u8bbe\u7f6e\u706b\u529b\u4e3a\u4e2d,\u538b\u529b\u4e3a\u6b63\u5e38,\u6301\u7eed\u8fd0\u884c30\u5206\u949f;\n\u716e\u7ca5:\u7535\u996d\u7172\u8bbe\u7f6e\u706b\u529b\u4e3a\u5927,\u538b\u529b\u4e3a\u5f3a,\u6301\u7eed\u8fd0\u884c45\u5206\u949f;\n\u7535\u996d\u7172\u505c\u6b62\u8fd0\u884c\u3002\n--- PASS: TestCommand (0.00s)\nPASS<\/code><\/pre>\n
              \"\u56fe\u7247\"<\/p>\n
              \u8fed\u4ee3\u5668\u6a21\u5f0f<\/strong>  <\/p>\n
              ============<\/p>\n
              \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
              \u8fed\u4ee3\u5668\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u8ba9\u4f60\u80fd\u5728\u4e0d\u66b4\u9732\u96c6\u5408\u5e95\u5c42\u8868\u73b0\u5f62\u5f0f \uff08\u5217\u8868\u3001 \u6808\u548c\u6811\u7b49\uff09\u7684\u60c5\u51b5\u4e0b\u904d\u5386\u96c6\u5408\u4e2d\u6240\u6709\u7684\u5143\u7d20\u3002<\/p>\n
              \u5728\u8fed\u4ee3\u5668\u7684\u5e2e\u52a9\u4e0b\uff0c \u5ba2\u6237\u7aef\u53ef\u4ee5\u7528\u4e00\u4e2a\u8fed\u4ee3\u5668\u63a5\u53e3\u4ee5\u76f8\u4f3c\u7684\u65b9\u5f0f\u904d\u5386\u4e0d\u540c\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n
              \u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f\u6709\u4e24\u4e2a\u5178\u578b\u7684\u8fed\u4ee3\u5668\u63a5\u53e3\u9700\u8981\u5206\u6e05\u695a\uff1b\u4e00\u4e2a\u662f\u96c6\u5408\u7c7b\u5b9e\u73b0\u7684\u53ef\u4ee5\u521b\u5efa\u8fed\u4ee3\u5668\u7684\u5de5\u5382\u65b9\u6cd5\u63a5\u53e3\u4e00\u822c\u547d\u540d\u4e3aIterable\uff0c\u5305\u542b\u7684\u65b9\u6cd5\u7c7b\u4f3cCreateIterator\uff1b\u53e6\u4e00\u4e2a\u662f\u8fed\u4ee3\u5668\u672c\u8eab\u7684\u63a5\u53e3\uff0c\u547d\u540d\u4e3aIterator\uff0c\u6709Next\u53cahasMore\u4e24\u4e2a\u4e3b\u8981\u65b9\u6cd5\uff1b<\/p>\n
              \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
              \u4e00\u4e2a\u73ed\u7ea7\u7c7b\u4e2d\u5305\u62ec\u4e00\u4e2a\u8001\u5e08\u548c\u82e5\u5e72\u4e2a\u5b66\u751f\uff0c\u6211\u4eec\u8981\u5bf9\u73ed\u7ea7\u6240\u6709\u6210\u5458\u8fdb\u884c\u904d\u5386\uff0c\u73ed\u7ea7\u4e2d\u8001\u5e08\u5b58\u50a8\u5728\u5355\u72ec\u7684\u7ed3\u6784\u5b57\u6bb5\u4e2d\uff0c\u5b66\u751f\u5b58\u50a8\u5728\u53e6\u5916\u4e00\u4e2aslice\u5b57\u6bb5\u4e2d\uff0c\u901a\u8fc7\u8fed\u4ee3\u5668\uff0c\u6211\u4eec\u5b9e\u73b0\u7edf\u4e00\u904d\u5386\u5904\u7406\uff1b<\/p>\n
              \uff08\u4e09\uff09\u73ed\u7ea7\u6210\u5458<\/strong><\/h4>\n
              package iterator\n\nimport "fmt"\n\n\/\/ Member \u6210\u5458\u63a5\u53e3\ntype Member interface {\n  Desc() string \/\/ \u8f93\u51fa\u6210\u5458\u63cf\u8ff0\u4fe1\u606f\n}\n\n\/\/ Teacher \u8001\u5e08\ntype Teacher struct {\n  name    string \/\/ \u540d\u79f0\n  subject string \/\/ \u6240\u6559\u8bfe\u7a0b\n}\n\n\/\/ NewTeacher \u6839\u636e\u59d3\u540d\u3001\u8bfe\u7a0b\u521b\u5efa\u8001\u5e08\u5bf9\u8c61\nfunc NewTeacher(name, subject string) *Teacher {\n  return &Teacher{\n    name:    name,\n    subject: subject,\n  }\n}\n\nfunc (t *Teacher) Desc() string {\n  return fmt.Sprintf("%s\u73ed\u4e3b\u4efb\u8001\u5e08\u8d1f\u8d23\u6559%s", t.name, t.subject)\n}\n\n\/\/ Student \u5b66\u751f\ntype Student struct {\n  name     string \/\/ \u59d3\u540d\n  sumScore int    \/\/ \u8003\u8bd5\u603b\u5206\u6570\n}\n\n\/\/ NewStudent \u521b\u5efa\u5b66\u751f\u5bf9\u8c61\nfunc NewStudent(name string, sumScore int) *Student {\n  return &Student{\n    name:     name,\n    sumScore: sumScore,\n  }\n}\n\nfunc (t *Student) Desc() string {\n  return fmt.Sprintf("%s\u540c\u5b66\u8003\u8bd5\u603b\u5206\u4e3a%d", t.name, t.sumScore)\n}<\/code><\/pre>\n
              \uff08\u56db\uff09\u73ed\u7ea7\u6210\u5458\u8fed\u4ee3\u5668<\/strong><\/p>\n
              package iterator\n\n\/\/ Iterator \u8fed\u4ee3\u5668\u63a5\u53e3\ntype Iterator interface {\n  Next() Member  \/\/ \u8fed\u4ee3\u4e0b\u4e00\u4e2a\u6210\u5458\n  HasMore() bool \/\/ \u662f\u5426\u8fd8\u6709\n}\n\n\/\/ memberIterator \u73ed\u7ea7\u6210\u5458\u8fed\u4ee3\u5668\u5b9e\u73b0\ntype memberIterator struct {\n  class *Class \/\/ \u9700\u8fed\u4ee3\u7684\u73ed\u7ea7\n  index int    \/\/ \u8fed\u4ee3\u7d22\u5f15\n}\n\nfunc (m *memberIterator) Next() Member {\n  \/\/ \u8fed\u4ee3\u7d22\u5f15\u4e3a-1\u65f6\uff0c\u8fd4\u56de\u8001\u5e08\u6210\u5458\uff0c\u5426\u5219\u904d\u5386\u5b66\u751fslice\n  if m.index == -1 {\n    m.index++\n    return m.class.teacher\n  }\n  student := m.class.students[m.index]\n  m.index++\n  return student\n}\n\nfunc (m *memberIterator) HasMore() bool {\n  return m.index < len(m.class.students)\n}\n\n\/\/ Iterable \u53ef\u8fed\u4ee3\u96c6\u5408\u63a5\u53e3\uff0c\u5b9e\u73b0\u6b64\u63a5\u53e3\u8fd4\u56de\u8fed\u4ee3\u5668\ntype Iterable interface {\n  CreateIterator() Iterator\n}\n\n\/\/ Class \u73ed\u7ea7\uff0c\u5305\u62ec\u8001\u5e08\u548c\u540c\u5b66\ntype Class struct {\n  name     string\n  teacher  *Teacher\n  students []*Student\n}\n\n\/\/ NewClass \u6839\u636e\u73ed\u4e3b\u4efb\u8001\u5e08\u540d\u79f0\uff0c\u6388\u8bfe\u521b\u5efa\u73ed\u7ea7\nfunc NewClass(name, teacherName, teacherSubject string) *Class {\n  return &Class{\n    name:    name,\n    teacher: NewTeacher(teacherName, teacherSubject),\n  }\n}\n\n\/\/ CreateIterator \u521b\u5efa\u73ed\u7ea7\u8fed\u4ee3\u5668\nfunc (c *Class) CreateIterator() Iterator {\n  return &memberIterator{\n    class: c,\n    index: -1, \/\/ \u8fed\u4ee3\u7d22\u5f15\u521d\u59cb\u5316\u4e3a-1\uff0c\u4ece\u8001\u5e08\u5f00\u59cb\u8fed\u4ee3\n  }\n}\n\nfunc (c *Class) Name() string {\n  return c.name\n}\n\n\/\/ AddStudent \u73ed\u7ea7\u6dfb\u52a0\u540c\u5b66\nfunc (c *Class) AddStudent(students ...*Student) {\n  c.students = append(c.students, students...)\n}<\/code><\/pre>\n
              \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
              package iterator\n\nimport (\n  "fmt"\n  "testing"\n)\n\nfunc TestIterator(t *testing.T) {\n  class := NewClass("\u4e09\u5e74\u7ea7\u4e00\u73ed", "\u738b\u660e", "\u6570\u5b66\u8bfe")\n  class.AddStudent(NewStudent("\u5f20\u4e09", 389),\n    NewStudent("\u674e\u56db", 378),\n    NewStudent("\u738b\u4e94", 347))\n\n  fmt.Printf("%s\u6210\u5458\u5982\u4e0b:\/n", class.Name())\n  classIterator := class.CreateIterator()\n  for classIterator.HasMore() {\n    member := classIterator.Next()\n    fmt.Println(member.Desc())\n  }\n}<\/code><\/pre>\n
              \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
              === RUN   TestIterator\n\u4e09\u5e74\u7ea7\u4e00\u73ed\u6210\u5458\u5982\u4e0b:\n\u738b\u660e\u73ed\u4e3b\u4efb\u8001\u5e08\u8d1f\u8d23\u6559\u6570\u5b66\u8bfe\n\u5f20\u4e09\u540c\u5b66\u8003\u8bd5\u603b\u5206\u4e3a389\n\u674e\u56db\u540c\u5b66\u8003\u8bd5\u603b\u5206\u4e3a378\n\u738b\u4e94\u540c\u5b66\u8003\u8bd5\u603b\u5206\u4e3a347\n--- PASS: TestIterator (0.00s)\nPASS<\/code><\/pre>\n
              \"\u56fe\u7247\"<\/p>\n
              \u4e2d\u4ecb\u8005\u6a21\u5f0f<\/strong><\/p>\n
              \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
              \u4e2d\u4ecb\u8005\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u80fd\u8ba9\u4f60\u51cf\u5c11\u5bf9\u8c61\u4e4b\u95f4\u6df7\u4e71\u65e0\u5e8f\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u8be5\u6a21\u5f0f\u4f1a\u9650\u5236\u5bf9\u8c61\u4e4b\u95f4\u7684\u76f4\u63a5\u4ea4\u4e92\uff0c\u8feb\u4f7f\u5b83\u4eec\u901a\u8fc7\u4e00\u4e2a\u4e2d\u4ecb\u8005\u5bf9\u8c61\u8fdb\u884c\u5408\u4f5c\uff0c\u5c06\u7f51\u72b6\u4f9d\u8d56\u53d8\u4e3a\u661f\u72b6\u4f9d\u8d56\u3002<\/p>\n
              \u4e2d\u4ecb\u8005\u80fd\u4f7f\u5f97\u7a0b\u5e8f\u66f4\u6613\u4e8e\u4fee\u6539\u548c\u6269\u5c55\uff0c\u800c\u4e14\u80fd\u66f4\u65b9\u4fbf\u5730\u5bf9\u72ec\u7acb\u7684\u7ec4\u4ef6\u8fdb\u884c\u590d\u7528\uff0c\u56e0\u4e3a\u5b83\u4eec\u4e0d\u518d\u4f9d\u8d56\u4e8e\u5f88\u591a\u5176\u4ed6\u7684\u7c7b\u3002<\/p>\n
              \u4e2d\u4ecb\u8005\u6a21\u5f0f\u4e0e\u89c2\u5bdf\u8005\u6a21\u5f0f\u4e4b\u95f4\u7684\u533a\u522b\u662f\uff0c\u4e2d\u4ecb\u8005\u6a21\u5f0f\u89e3\u51b3\u7684\u662f\u540c\u7c7b\u6216\u8005\u4e0d\u540c\u7c7b\u7684\u591a\u4e2a\u5bf9\u8c61\u4e4b\u95f4\u591a\u5bf9\u591a\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u89c2\u5bdf\u8005\u6a21\u5f0f\u89e3\u51b3\u7684\u662f\u591a\u4e2a\u5bf9\u8c61\u4e0e\u4e00\u4e2a\u5bf9\u8c61\u4e4b\u95f4\u7684\u591a\u5bf9\u4e00\u7684\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n
              \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
              \u673a\u573a\u5854\u53f0\u8c03\u5ea6\u7cfb\u7edf\u662f\u4e00\u4e2a\u4f53\u73b0\u4e2d\u4ecb\u8005\u6a21\u5f0f\u7684\u5178\u578b\u793a\u4f8b\uff0c\u5047\u8bbe\u662f\u4e00\u4e2a\u5c0f\u673a\u573a\uff0c\u6bcf\u6b21\u53ea\u80fd\u540c\u65f6\u5141\u8bb8\u4e00\u67b6\u98de\u673a\u8d77\u964d\uff0c\u6bcf\u67b6\u9760\u8fd1\u673a\u573a\u7684\u98de\u673a\u9700\u8981\u5148\u4e0e\u5854\u53f0\u6c9f\u901a\u662f\u5426\u53ef\u4ee5\u964d\u843d\uff0c\u5982\u679c\u6ca1\u6709\u7a7a\u95f2\u7684\u8dd1\u9053\uff0c\u9700\u8981\u5728\u5929\u7a7a\u76d8\u65cb\u7b49\u5f85\uff0c\u5982\u679c\u6709\u98de\u673a\u79bb\u6e2f\uff0c\u7b49\u5f85\u7684\u98de\u673a\u4f1a\u6536\u5230\u5854\u53f0\u7684\u901a\u77e5\uff0c\u6309\u5148\u540e\u987a\u5e8f\u964d\u843d\uff1b\u8fd9\u79cd\u65b9\u5f0f\uff0c\u514d\u53bb\u591a\u67b6\u98de\u673a\u540c\u65f6\u5230\u8fbe\u673a\u573a\u9700\u8981\u76f8\u4e92\u6c9f\u901a\u964d\u843d\u987a\u5e8f\u7684\u590d\u6742\u6027\uff0c\u51cf\u5c11\u591a\u4e2a\u98de\u673a\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u7b80\u5316\u4e1a\u52a1\u903b\u8f91\uff0c\u4ece\u800c\u964d\u4f4e\u7cfb\u7edf\u51fa\u95ee\u9898\u7684\u98ce\u9669\u3002<\/h3>\n
              \uff08\u4e09\uff09\u98de\u673a\u5bf9\u8c61<\/strong><\/h4>\n
              package mediator\n\nimport "fmt"\n\n\/\/ Aircraft \u98de\u673a\u63a5\u53e3\ntype Aircraft interface {\n  ApproachAirport() \/\/ \u62b5\u8fbe\u673a\u573a\u7a7a\u57df\n  DepartAirport()   \/\/ \u98de\u79bb\u673a\u573a\n}\n\n\/\/ airliner \u5ba2\u673a\ntype airliner struct {\n  name            string          \/\/ \u5ba2\u673a\u578b\u53f7\n  airportMediator AirportMediator \/\/ \u673a\u573a\u8c03\u5ea6\n}\n\n\/\/ NewAirliner \u6839\u636e\u6307\u5b9a\u578b\u53f7\u53ca\u673a\u573a\u8c03\u5ea6\u521b\u5efa\u5ba2\u673a\nfunc NewAirliner(name string, mediator AirportMediator) *airliner {\n  return &airliner{\n    name:            name,\n    airportMediator: mediator,\n  }\n}\n\nfunc (a *airliner) ApproachAirport() {\n  if !a.airportMediator.CanLandAirport(a) { \/\/ \u8bf7\u6c42\u5854\u53f0\u662f\u5426\u53ef\u4ee5\u964d\u843d\n    fmt.Printf("\u673a\u573a\u7e41\u5fd9\uff0c\u5ba2\u673a%s\u7ee7\u7eed\u7b49\u5f85\u964d\u843d;\/n", a.name)\n    return\n  }\n  fmt.Printf("\u5ba2\u673a%s\u6210\u529f\u6ed1\u7fd4\u964d\u843d\u673a\u573a;\/n", a.name)\n}\n\nfunc (a *airliner) DepartAirport() {\n  fmt.Printf("\u5ba2\u673a%s\u6210\u529f\u6ed1\u7fd4\u8d77\u98de\uff0c\u79bb\u5f00\u673a\u573a;\/n", a.name)\n  a.airportMediator.NotifyWaitingAircraft() \/\/ \u901a\u77e5\u7b49\u5f85\u7684\u5176\u4ed6\u98de\u673a\n}\n\n\/\/ helicopter \u76f4\u5347\u673a\ntype helicopter struct {\n  name            string\n  airportMediator AirportMediator\n}\n\n\/\/ NewHelicopter \u6839\u636e\u6307\u5b9a\u578b\u53f7\u53ca\u673a\u573a\u8c03\u5ea6\u521b\u5efa\u76f4\u5347\u673a\nfunc NewHelicopter(name string, mediator AirportMediator) *helicopter {\n  return &helicopter{\n    name:            name,\n    airportMediator: mediator,\n  }\n}\n\nfunc (h *helicopter) ApproachAirport() {\n  if !h.airportMediator.CanLandAirport(h) { \/\/ \u8bf7\u6c42\u5854\u53f0\u662f\u5426\u53ef\u4ee5\u964d\u843d\n    fmt.Printf("\u673a\u573a\u7e41\u5fd9\uff0c\u76f4\u5347\u673a%s\u7ee7\u7eed\u7b49\u5f85\u964d\u843d;\/n", h.name)\n    return\n  }\n  fmt.Printf("\u76f4\u5347\u673a%s\u6210\u529f\u5782\u76f4\u964d\u843d\u673a\u573a;\/n", h.name)\n}\n\nfunc (h *helicopter) DepartAirport() {\n  fmt.Printf("\u76f4\u5347\u673a%s\u6210\u529f\u5782\u76f4\u8d77\u98de\uff0c\u79bb\u5f00\u673a\u573a;\/n", h.name)\n  h.airportMediator.NotifyWaitingAircraft() \/\/ \u901a\u77e5\u5176\u4ed6\u7b49\u5f85\u964d\u843d\u7684\u98de\u673a\n}<\/code><\/pre>\n
              \uff08\u56db\uff09\u673a\u573a\u5854\u53f0<\/strong><\/h4>\n
              package mediator\n\n\/\/ AirportMediator \u673a\u573a\u8c03\u5ea6\u4e2d\u4ecb\u8005\ntype AirportMediator interface {\n  CanLandAirport(aircraft Aircraft) bool \/\/ \u786e\u8ba4\u662f\u5426\u53ef\u4ee5\u964d\u843d\n  NotifyWaitingAircraft()                \/\/ \u901a\u77e5\u7b49\u5f85\u964d\u843d\u7684\u5176\u4ed6\u98de\u673a\n}\n\n\/\/ ApproachTower \u673a\u573a\u5854\u53f0\ntype ApproachTower struct {\n  hasFreeAirstrip bool\n  waitingQueue    []Aircraft \/\/ \u7b49\u5f85\u964d\u843d\u7684\u98de\u673a\u961f\u5217\n}\n\nfunc (a *ApproachTower) CanLandAirport(aircraft Aircraft) bool {\n  if a.hasFreeAirstrip {\n    a.hasFreeAirstrip = false\n    return true\n  }\n  \/\/ \u6ca1\u6709\u7a7a\u4f59\u7684\u8dd1\u9053\uff0c\u52a0\u5165\u7b49\u5f85\u961f\u5217\n  a.waitingQueue = append(a.waitingQueue, aircraft)\n  return false\n}\n\nfunc (a *ApproachTower) NotifyWaitingAircraft() {\n  if !a.hasFreeAirstrip {\n    a.hasFreeAirstrip = true\n  }\n  if len(a.waitingQueue) > 0 {\n    \/\/ \u5982\u679c\u5b58\u5728\u7b49\u5f85\u964d\u843d\u7684\u98de\u673a\uff0c\u901a\u77e5\u7b2c\u4e00\u4e2a\u964d\u843d\n    first := a.waitingQueue[0]\n    a.waitingQueue = a.waitingQueue[1:]\n    first.ApproachAirport()\n  }\n}<\/code><\/pre>\n
              \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
              package mediator\n\nimport "testing"\n\nfunc TestMediator(t *testing.T) {\n  \/\/ \u521b\u5efa\u673a\u573a\u8c03\u5ea6\u5854\u53f0\n  airportMediator := &ApproachTower{hasFreeAirstrip: true}\n  \/\/ \u521b\u5efaC919\u5ba2\u673a\n  c919Airliner := NewAirliner("C919", airportMediator)\n  \/\/ \u521b\u5efa\u7c73-26\u91cd\u578b\u8fd0\u8f93\u76f4\u5347\u673a\n  m26Helicopter := NewHelicopter("\u7c73-26", airportMediator)\n\n  c919Airliner.ApproachAirport()  \/\/ c919\u8fdb\u6e2f\u964d\u843d\n  m26Helicopter.ApproachAirport() \/\/ \u7c73-26\u8fdb\u6e2f\u7b49\u5f85\n\n  c919Airliner.DepartAirport()  \/\/ c919\u98de\u79bb\uff0c\u7b49\u5f85\u7684\u7c73-26\u8fdb\u6e2f\u964d\u843d\n  m26Helicopter.DepartAirport() \/\/ \u6700\u540e\u7c73-26\u98de\u79bb\n}<\/code><\/pre>\n
              \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
              === RUN   TestMediator\n\u5ba2\u673aC919\u6210\u529f\u6ed1\u7fd4\u964d\u843d\u673a\u573a;\n\u673a\u573a\u7e41\u5fd9\uff0c\u76f4\u5347\u673a\u7c73-26\u7ee7\u7eed\u7b49\u5f85\u964d\u843d;\n\u5ba2\u673aC919\u6210\u529f\u6ed1\u7fd4\u8d77\u98de\uff0c\u79bb\u5f00\u673a\u573a;\n\u76f4\u5347\u673a\u7c73-26\u6210\u529f\u5782\u76f4\u964d\u843d\u673a\u573a;\n\u76f4\u5347\u673a\u7c73-26\u6210\u529f\u5782\u76f4\u8d77\u98de\uff0c\u79bb\u5f00\u673a\u573a;\n--- PASS: TestMediator (0.00s)\nPASS<\/code><\/pre>\n
              \"\u56fe\u7247\"<\/p>\n
              \u5907\u5fd8\u5f55\u6a21\u5f0f<\/strong><\/h2>\n
              \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
              \u5907\u5fd8\u5f55\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c \u5141\u8bb8\u5728\u4e0d\u66b4\u9732\u5bf9\u8c61\u5b9e\u73b0\u7ec6\u8282\u7684\u60c5\u51b5\u4e0b\u4fdd\u5b58\u548c\u6062\u590d\u5bf9\u8c61\u4e4b\u524d\u7684\u72b6\u6001\u3002<\/p>\n
              \u5907\u5fd8\u5f55\u4e0d\u4f1a\u5f71\u54cd\u5b83\u6240\u5904\u7406\u7684\u5bf9\u8c61\u7684\u5185\u90e8\u7ed3\u6784\uff0c \u4e5f\u4e0d\u4f1a\u5f71\u54cd\u5feb\u7167\u4e2d\u4fdd\u5b58\u7684\u6570\u636e\u3002<\/p>\n
              \u4e00\u822c\u60c5\u51b5\u7531\u539f\u53d1\u5bf9\u8c61\u4fdd\u5b58\u751f\u6210\u7684\u5907\u5fd8\u5f55\u5bf9\u8c61\u7684\u72b6\u6001\u4e0d\u80fd\u88ab\u9664\u539f\u53d1\u5bf9\u8c61\u4e4b\u5916\u7684\u5bf9\u8c61\u8bbf\u95ee\uff0c\u6240\u4ee5\u901a\u8fc7\u5185\u90e8\u7c7b\u5b9a\u4e49\u5177\u4f53\u7684\u5907\u5fd8\u5f55\u5bf9\u8c61\u662f\u6bd4\u8f83\u5b89\u5168\u7684\uff0c\u4f46\u662fgo\u8bed\u8a00\u4e0d\u652f\u6301\u5185\u90e8\u7c7b\u5b9a\u4e49\u7684\u65b9\u5f0f\uff0c\u56e0\u6b64go\u8bed\u8a00\u5b9e\u73b0\u5907\u5fd8\u5f55\u5bf9\u8c61\u65f6\uff0c\u9996\u5148\u5c06\u5907\u5fd8\u5f55\u4fdd\u5b58\u7684\u72b6\u6001\u8bbe\u4e3a\u975e\u5bfc\u51fa\u5b57\u6bb5\uff0c\u907f\u514d\u5916\u90e8\u5bf9\u8c61\u8bbf\u95ee\uff0c\u5176\u6b21\u5c06\u539f\u53d1\u5bf9\u8c61\u7684\u5f15\u7528\u4fdd\u5b58\u5230\u5907\u5fd8\u5f55\u5bf9\u8c61\u4e2d\uff0c\u5f53\u901a\u8fc7\u5907\u5fd8\u5f55\u5bf9\u8c61\u6062\u590d\u65f6\uff0c\u76f4\u63a5\u64cd\u4f5c\u5907\u5fd8\u5f55\u7684\u6062\u590d\u65b9\u6cd5\uff0c\u5c06\u5907\u4efd\u6570\u636e\u72b6\u6001\u8bbe\u7f6e\u5230\u539f\u53d1\u5bf9\u8c61\u4e2d\uff0c\u5b8c\u6210\u6062\u590d\u3002<\/p>\n
              \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
              \u5927\u5bb6\u5e73\u65f6\u73a9\u7684\u89d2\u8272\u626e\u6f14\u95ef\u5173\u6e38\u620f\u7684\u5b58\u6863\u673a\u5236\u5c31\u53ef\u4ee5\u901a\u8fc7\u5907\u5fd8\u5f55\u6a21\u5f0f\u5b9e\u73b0\uff0c\u6bcf\u5230\u4e00\u4e2a\u5173\u952e\u5173\u5361\uff0c\u73a9\u5bb6\u7ecf\u5e38\u4f1a\u5148\u4fdd\u5b58\u6e38\u620f\u5b58\u6863\uff0c\u7528\u4e8e\u95ef\u5173\u5931\u8d25\u540e\u91cd\u7f6e\uff0c\u5b58\u6863\u4f1a\u628a\u89d2\u8272\u72b6\u6001\u53ca\u573a\u666f\u72b6\u6001\u4fdd\u5b58\u5230\u5907\u5fd8\u5f55\u4e2d\uff0c\u540c\u65f6\u5c06\u9700\u8981\u6062\u590d\u6e38\u620f\u7684\u5f15\u7528\u5b58\u5165\u5907\u5fd8\u5f55\uff0c\u7528\u4e8e\u5173\u5361\u91cd\u7f6e\uff1b<\/p>\n
              \uff08\u4e09\uff09\u95ef\u5173\u6e38\u620f<\/strong><\/h4>\n
              package memento\n\nimport "fmt"\n\n\/\/ Originator \u5907\u5fd8\u5f55\u6a21\u5f0f\u539f\u53d1\u5668\u63a5\u53e3\ntype Originator interface {\n  Save(tag string) Memento \/\/ \u5f53\u524d\u72b6\u6001\u4fdd\u5b58\u5907\u5fd8\u5f55\n}\n\n\/\/ RolesPlayGame \u652f\u6301\u5b58\u6863\u7684RPG\u6e38\u620f\ntype RolesPlayGame struct {\n  name          string   \/\/ \u6e38\u620f\u540d\u79f0\n  rolesState    []string \/\/ \u6e38\u620f\u89d2\u8272\u72b6\u6001\n  scenarioState string   \/\/ \u6e38\u620f\u573a\u666f\u72b6\u6001\n}\n\n\/\/ NewRolesPlayGame \u6839\u636e\u6e38\u620f\u540d\u79f0\u548c\u89d2\u8272\u540d\uff0c\u521b\u5efaRPG\u6e38\u620f\nfunc NewRolesPlayGame(name string, roleName string) *RolesPlayGame {\n  return &RolesPlayGame{\n    name:          name,\n    rolesState:    []string{roleName, "\u8840\u91cf100"}, \/\/ \u9ed8\u8ba4\u6ee1\u8840\n    scenarioState: "\u5f00\u59cb\u901a\u8fc7\u7b2c\u4e00\u5173",                   \/\/ \u9ed8\u8ba4\u7b2c\u4e00\u5173\u5f00\u59cb\n  }\n}\n\n\/\/ Save \u4fdd\u5b58RPG\u6e38\u620f\u89d2\u8272\u72b6\u6001\u53ca\u573a\u666f\u72b6\u6001\u5230\u6307\u5b9a\u6807\u7b7e\u5f52\u6863\nfunc (r *RolesPlayGame) Save(tag string) Memento {\n  return newRPGArchive(tag, r.rolesState, r.scenarioState, r)\n}\n\nfunc (r *RolesPlayGame) SetRolesState(rolesState []string) {\n  r.rolesState = rolesState\n}\n\nfunc (r *RolesPlayGame) SetScenarioState(scenarioState string) {\n  r.scenarioState = scenarioState\n}\n\n\/\/ String \u8f93\u51faRPG\u6e38\u620f\u7b80\u8981\u4fe1\u606f\nfunc (r *RolesPlayGame) String() string {\n  return fmt.Sprintf("\u5728%s\u6e38\u620f\u4e2d\uff0c\u73a9\u5bb6\u4f7f\u7528%s,%s,%s;", r.name, r.rolesState[0], r.rolesState[1], r.scenarioState)\n}<\/code><\/pre>\n
              \uff08\u56db\uff09\u6e38\u620f\u5b58\u6863<\/strong><\/h4>\n
              package memento\n\nimport "fmt"\n\n\/\/ Memento \u5907\u5fd8\u5f55\u63a5\u53e3\ntype Memento interface {\n  Tag() string \/\/ \u5907\u5fd8\u5f55\u6807\u7b7e\n  Restore()    \/\/ \u6839\u636e\u5907\u5fd8\u5f55\u5b58\u50a8\u6570\u636e\u72b6\u6001\u6062\u590d\u539f\u5bf9\u8c61\n}\n\n\/\/ rpgArchive rpg\u6e38\u620f\u5b58\u6863\uff0c\ntype rpgArchive struct {\n  tag           string         \/\/ \u5b58\u6863\u6807\u7b7e\n  rolesState    []string       \/\/ \u5b58\u6863\u7684\u89d2\u8272\u72b6\u6001\n  scenarioState string         \/\/ \u5b58\u6863\u6e38\u620f\u573a\u666f\u72b6\u6001\n  rpg           *RolesPlayGame \/\/ rpg\u6e38\u620f\u5f15\u7528\n}\n\n\/\/ newRPGArchive \u6839\u636e\u6807\u7b7e\uff0c\u89d2\u8272\u72b6\u6001\uff0c\u573a\u666f\u72b6\u6001\uff0crpg\u6e38\u620f\u5f15\u7528\uff0c\u521b\u5efa\u6e38\u620f\u5f52\u6863\u5907\u5fd8\u5f55\nfunc newRPGArchive(tag string, rolesState []string, scenarioState string, rpg *RolesPlayGame) *rpgArchive {\n  return &rpgArchive{\n    tag:           tag,\n    rolesState:    rolesState,\n    scenarioState: scenarioState,\n    rpg:           rpg,\n  }\n}\n\nfunc (r *rpgArchive) Tag() string {\n  return r.tag\n}\n\n\/\/ Restore \u6839\u636e\u5f52\u6863\u6570\u636e\u6062\u590d\u6e38\u620f\u72b6\u6001\nfunc (r *rpgArchive) Restore() {\n  r.rpg.SetRolesState(r.rolesState)\n  r.rpg.SetScenarioState(r.scenarioState)\n}\n\n\/\/ RPGArchiveManager RPG\u6e38\u620f\u5f52\u6863\u7ba1\u7406\u5668\ntype RPGArchiveManager struct {\n  archives map[string]Memento \/\/ \u5b58\u50a8\u5f52\u6863\u6807\u7b7e\u5bf9\u5e94\u5f52\u6863\n}\n\nfunc NewRPGArchiveManager() *RPGArchiveManager {\n  return &RPGArchiveManager{\n    archives: make(map[string]Memento),\n  }\n}\n\n\/\/ Reload \u6839\u636e\u6807\u7b7e\u91cd\u65b0\u52a0\u8f7d\u5f52\u6863\u6570\u636e\nfunc (r *RPGArchiveManager) Reload(tag string) {\n  if archive, ok := r.archives[tag]; ok {\n    fmt.Printf("\u91cd\u65b0\u52a0\u8f7d%s;\/n", tag)\n    archive.Restore()\n  }\n}\n\n\/\/ Put \u4fdd\u5b58\u5f52\u6863\u6570\u636e\nfunc (r *RPGArchiveManager) Put(memento Memento) {\n  r.archives[memento.Tag()] = memento\n}<\/code><\/pre>\n
              \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
              package memento\n\nimport (\n  "fmt"\n  "testing"\n)\n\nfunc TestMemento(t *testing.T) {\n  \/\/ \u521b\u5efaRPG\u6e38\u620f\u5b58\u6863\u7ba1\u7406\u5668\n  rpgManager := NewRPGArchiveManager()\n  \/\/ \u521b\u5efaRPG\u6e38\u620f\n  rpg := NewRolesPlayGame("\u6697\u9ed1\u7834\u574f\u795e2", "\u91ce\u86ee\u4eba\u6218\u58eb")\n  fmt.Println(rpg)                  \/\/ \u8f93\u51fa\u6e38\u620f\u5f53\u524d\u72b6\u6001\n  rpgManager.Put(rpg.Save("\u7b2c\u4e00\u5173\u5b58\u6863")) \/\/ \u6e38\u620f\u5b58\u6863\n\n  \/\/ \u7b2c\u4e00\u5173\u95ef\u5173\u5931\u8d25\n  rpg.SetRolesState([]string{"\u91ce\u86ee\u4eba\u6218\u58eb", "\u6b7b\u4ea1"})\n  rpg.SetScenarioState("\u7b2c\u4e00\u5173\u95ef\u5173\u5931\u8d25")\n  fmt.Println(rpg)\n\n  \/\/ \u6062\u590d\u5b58\u6863\uff0c\u91cd\u65b0\u95ef\u5173\n  rpgManager.Reload("\u7b2c\u4e00\u5173\u5b58\u6863")\n  fmt.Println(rpg)\n}<\/code><\/pre>\n
              \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
              === RUN   TestMemento\n\u5728\u6697\u9ed1\u7834\u574f\u795e2\u6e38\u620f\u4e2d\uff0c\u73a9\u5bb6\u4f7f\u7528\u91ce\u86ee\u4eba\u6218\u58eb,\u8840\u91cf100,\u5f00\u59cb\u901a\u8fc7\u7b2c\u4e00\u5173;\n\u5728\u6697\u9ed1\u7834\u574f\u795e2\u6e38\u620f\u4e2d\uff0c\u73a9\u5bb6\u4f7f\u7528\u91ce\u86ee\u4eba\u6218\u58eb,\u6b7b\u4ea1,\u7b2c\u4e00\u5173\u95ef\u5173\u5931\u8d25;\n\u91cd\u65b0\u52a0\u8f7d\u7b2c\u4e00\u5173\u5b58\u6863;\n\u5728\u6697\u9ed1\u7834\u574f\u795e2\u6e38\u620f\u4e2d\uff0c\u73a9\u5bb6\u4f7f\u7528\u91ce\u86ee\u4eba\u6218\u58eb,\u8840\u91cf100,\u5f00\u59cb\u901a\u8fc7\u7b2c\u4e00\u5173;\n--- PASS: TestMemento (0.00s)\nPASS<\/code><\/pre>\n
              \"\u56fe\u7247\"<\/p>\n
              \u89c2\u5bdf\u8005\u6a21\u5f0f<\/strong><\/h2>\n
              \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
              \u89c2\u5bdf\u8005\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5141\u8bb8\u4f60\u5b9a\u4e49\u4e00\u79cd\u8ba2\u9605\u673a\u5236\uff0c\u53ef\u5728\u5bf9\u8c61\u4e8b\u4ef6\u53d1\u751f\u65f6\u901a\u77e5\u591a\u4e2a \u201c\u89c2\u5bdf\u201d \u8be5\u5bf9\u8c61\u7684\u5176\u4ed6\u5bf9\u8c61\u3002<\/p>\n
              \u89c2\u5bdf\u8005\u6a21\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f5c\u7528\u4e8e\u4efb\u4f55\u5b9e\u73b0\u4e86\u8ba2\u9605\u8005\u63a5\u53e3\u7684\u5bf9\u8c61\u7684\u673a\u5236\uff0c\u53ef\u5bf9\u5176\u4e8b\u4ef6\u8fdb\u884c\u8ba2\u9605\u548c\u53d6\u6d88\u8ba2\u9605\u3002<\/p>\n
              \u89c2\u5bdf\u8005\u6a21\u5f0f\u662f\u6700\u5e38\u7528\u7684\u6a21\u5f0f\u4e4b\u4e00\uff0c\u662f\u4e8b\u4ef6\u603b\u7ebf\uff0c\u5206\u5e03\u5f0f\u6d88\u606f\u4e2d\u95f4\u4ef6\u7b49\u5404\u79cd\u4e8b\u4ef6\u673a\u5236\u7684\u539f\u59cb\u7406\u8bba\u57fa\u7840\uff0c\u5e38\u7528\u4e8e\u89e3\u8026\u591a\u5bf9\u4e00\u7684\u5bf9\u8c61\u4f9d\u8d56\u5173\u7cfb\uff1b<\/p>\n
              \u589e\u5f3a\u7684\u5b9e\u73b0\u529f\u80fd\u5305\u62ec\uff1a<\/p>\n
                \n
              • \u5f53\u88ab\u89c2\u5bdf\u8005\u901a\u8fc7\u5f02\u6b65\u5b9e\u73b0\u901a\u77e5\u591a\u4e2a\u89c2\u5bdf\u8005\u65f6\u5c31\u76f8\u5f53\u4e8e\u5355\u8fdb\u7a0b\u5b9e\u4f8b\u7684\u6d88\u606f\u603b\u7ebf\uff1b<\/li>\n<\/ul>\n
                  \n
                • \u540c\u65f6\u8fd8\u53ef\u4ee5\u6839\u636e\u4e1a\u52a1\u9700\u8981\uff0c\u5c06\u88ab\u89c2\u5bdf\u8005\u6240\u6709\u6570\u636e\u72b6\u6001\u53d8\u66f4\u8fdb\u884c\u5206\u7c7b\u4e3a\u4e0d\u540c\u7684\u4e3b\u9898\uff0c\u89c2\u5bdf\u8005\u901a\u8fc7\u4e0d\u540c\u4e3b\u9898\u8fdb\u884c\u8ba2\u9605\uff1b<\/li>\n<\/ul>\n
                    \n
                  • \u540c\u4e00\u4e2a\u4e3b\u9898\u53c8\u53ef\u5206\u4e3a\u589e\u52a0\uff0c\u5220\u9664\uff0c\u4fee\u6539\u4e8b\u4ef6\u884c\u4e3a\uff1b<\/li>\n<\/ul>\n
                      \n
                    • \u6bcf\u4e2a\u4e3b\u9898\u53ef\u4ee5\u5b9e\u73b0\u4e00\u4e2a\u7ebf\u7a0b\u6c60\uff0c\u591a\u4e2a\u4e3b\u9898\u901a\u8fc7\u4e0d\u540c\u7684\u7ebf\u7a0b\u6c60\u8fdb\u884c\u5904\u7406\u9694\u79bb\uff0c\u7ebf\u7a0b\u6c60\u53ef\u4ee5\u8bbe\u7f6e\u5e76\u53d1\u7ebf\u7a0b\u5927\u5c0f\u3001\u7f13\u51b2\u533a\u5927\u5c0f\u53ca\u8c03\u5ea6\u7b56\u7565\uff0c\u6bd4\u5982\u5148\u8fdb\u5148\u51fa\uff0c\u4f18\u5148\u7ea7\u7b49\u7b56\u7565\uff1b<\/li>\n<\/ul>\n
                        \n
                      • \u89c2\u5bdf\u8005\u5904\u7406\u4e8b\u4ef6\u65f6\u6709\u53ef\u80fd\u51fa\u73b0\u5f02\u5e38\uff0c\u6240\u4ee5\u4e5f\u53ef\u4ee5\u6ce8\u518c\u5f02\u5e38\u5904\u7406\u51fd\u6570\uff0c\u5f02\u5e38\u5904\u7406\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5f02\u5e38\u7c7b\u578b\u8fdb\u884c\u5206\u7c7b\uff1b<\/li>\n<\/ul>\n
                          \n
                        • \u6839\u636e\u4e1a\u52a1\u9700\u6c42\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u901a\u77e5\u5f02\u5e38\u91cd\u8bd5\uff0c\u5ef6\u8fdf\u901a\u77e5\u7b49\u529f\u80fd\uff1b<\/li>\n<\/ul>\n
                          \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/p>\n
                          \u4fe1\u7528\u5361\u4e1a\u52a1\u6d88\u606f\u63d0\u9192\u53ef\u901a\u8fc7\u89c2\u5bdf\u8005\u6a21\u5f0f\u5b9e\u73b0\uff0c\u4e1a\u52a1\u6d88\u606f\u5305\u62ec\u65e5\u5e38\u6d88\u8d39\uff0c\u51fa\u8d26\u5355\uff0c\u8d26\u5355\u903e\u671f\uff0c\u6d88\u606f\u63d0\u9192\u5305\u62ec\u77ed\u4fe1\u3001\u90ae\u4ef6\u53ca\u7535\u8bdd\uff0c\u6839\u636e\u4e0d\u540c\u4e1a\u52a1\u7684\u573a\u666f\u4f1a\u91c7\u7528\u4e0d\u540c\u7684\u6d88\u606f\u63d0\u9192\u65b9\u5f0f\u6216\u8005\u591a\u79cd\u6d88\u606f\u63d0\u9192\u65b9\u5f0f\uff0c\u8fd9\u91cc\u4fe1\u7528\u5361\u76f8\u5f53\u4e8e\u88ab\u89c2\u5bdf\u8005\uff0c\u89c2\u5bdf\u8005\u76f8\u5f53\u4e8e\u4e0d\u540c\u7684\u901a\u77e5\u65b9\u5f0f\uff1b\u65e5\u5e38\u6d88\u8d39\u901a\u8fc7\u77ed\u4fe1\u901a\u77e5\uff0c\u51fa\u8d26\u5355\u901a\u8fc7\u90ae\u4ef6\u901a\u77e5\uff0c\u8d26\u5355\u903e\u671f\u4e09\u79cd\u65b9\u5f0f\u90fd\u4f1a\u8fdb\u884c\u901a\u77e5\uff1b<\/p>\n
                          \uff08\u4e09\uff09\u901a\u77e5\u65b9\u5f0f<\/strong><\/h4>\n
                          package observer\n\nimport "fmt"\n\n\/\/ Subscriber \u8ba2\u9605\u8005\u63a5\u53e3\ntype Subscriber interface {\n  Name() string          \/\/\u8ba2\u9605\u8005\u540d\u79f0\n  Update(message string) \/\/\u8ba2\u9605\u66f4\u65b0\u65b9\u6cd5\n}\n\n\/\/ shortMessage \u4fe1\u7528\u5361\u6d88\u606f\u77ed\u4fe1\u8ba2\u9605\u8005\ntype shortMessage struct{}\n\nfunc (s *shortMessage) Name() string {\n  return "\u624b\u673a\u77ed\u606f"\n}\n\nfunc (s *shortMessage) Update(message string) {\n  fmt.Printf("\u901a\u8fc7\u3010%s\u3011\u53d1\u9001\u6d88\u606f:%s\/n", s.Name(), message)\n}\n\n\/\/ email \u4fe1\u7528\u5361\u6d88\u606f\u90ae\u7bb1\u8ba2\u9605\u8005\ntype email struct{}\n\nfunc (e *email) Name() string {\n  return "\u7535\u5b50\u90ae\u4ef6"\n}\n\nfunc (e *email) Update(message string) {\n  fmt.Printf("\u901a\u8fc7\u3010%s\u3011\u53d1\u9001\u6d88\u606f:%s\/n", e.Name(), message)\n}\n\n\/\/ telephone \u4fe1\u7528\u5361\u6d88\u606f\u7535\u8bdd\u8ba2\u9605\u8005\ntype telephone struct{}\n\nfunc (t *telephone) Name() string {\n  return "\u7535\u8bdd"\n}\n\nfunc (t *telephone) Update(message string) {\n  fmt.Printf("\u901a\u8fc7\u3010%s\u3011\u544a\u77e5:%s\/n", t.Name(), message)\n}<\/code><\/pre>\n
                          \uff08\u56db\uff09\u4fe1\u7528\u5361\u4e1a\u52a1<\/strong><\/h4>\n
                          package observer\n\nimport "fmt"\n\n\/\/ MsgType \u4fe1\u7528\u5361\u6d88\u606f\u7c7b\u578b\ntype MsgType int\n\nconst (\n  ConsumeType MsgType = iota \/\/ \u6d88\u8d39\u6d88\u606f\u7c7b\u578b\n  BillType                   \/\/ \u8d26\u5355\u6d88\u606f\u7c7b\u578b\n  ExpireType                 \/\/ \u903e\u671f\u6d88\u606f\u7c7b\u578b\n)\n\n\/\/ CreditCard \u4fe1\u7528\u5361\ntype CreditCard struct {\n  holder          string                   \/\/ \u6301\u5361\u4eba\n  consumeSum      float32                  \/\/ \u6d88\u8d39\u603b\u91d1\u989d\n  subscriberGroup map[MsgType][]Subscriber \/\/ \u6839\u636e\u6d88\u606f\u7c7b\u578b\u5206\u7ec4\u8ba2\u9605\u8005\n}\n\n\/\/ NewCreditCard \u6307\u5b9a\u6301\u5361\u4eba\u521b\u5efa\u4fe1\u7528\u5361\nfunc NewCreditCard(holder string) *CreditCard {\n  return &CreditCard{\n    holder:          holder,\n    subscriberGroup: make(map[MsgType][]Subscriber),\n  }\n}\n\n\/\/ Subscribe \u652f\u6301\u8ba2\u9605\u591a\u79cd\u6d88\u606f\u7c7b\u578b\nfunc (c *CreditCard) Subscribe(subscriber Subscriber, msgTypes ...MsgType) {\n  for _, msgType := range msgTypes {\n    c.subscriberGroup[msgType] = append(c.subscriberGroup[msgType], subscriber)\n  }\n}\n\n\/\/ Unsubscribe \u89e3\u9664\u8ba2\u9605\u591a\u79cd\u6d88\u606f\u7c7b\u578b\nfunc (c *CreditCard) Unsubscribe(subscriber Subscriber, msgTypes ...MsgType) {\n  for _, msgType := range msgTypes {\n    if subs, ok := c.subscriberGroup[msgType]; ok {\n      c.subscriberGroup[msgType] = removeSubscriber(subs, subscriber)\n    }\n  }\n}\n\nfunc removeSubscriber(subscribers []Subscriber, toRemove Subscriber) []Subscriber {\n  length := len(subscribers)\n  for i, subscriber := range subscribers {\n    if toRemove.Name() == subscriber.Name() {\n      subscribers[length-1], subscribers[i] = subscribers[i], subscribers[length-1]\n      return subscribers[:length-1]\n    }\n  }\n  return subscribers\n}\n\n\/\/ Consume \u4fe1\u7528\u5361\u6d88\u8d39\nfunc (c *CreditCard) Consume(money float32) {\n  c.consumeSum += money\n  c.notify(ConsumeType, fmt.Sprintf("\u5c0a\u656c\u7684\u6301\u5361\u4eba%s,\u60a8\u5f53\u524d\u6d88\u8d39%.2f\u5143;", c.holder, money))\n}\n\n\/\/ SendBill \u53d1\u9001\u4fe1\u7528\u5361\u8d26\u5355\nfunc (c *CreditCard) SendBill() {\n  c.notify(BillType, fmt.Sprintf("\u5c0a\u656c\u7684\u6301\u5361\u4eba%s,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u51fa\uff0c\u6d88\u8d39\u603b\u989d%.2f\u5143;", c.holder, c.consumeSum))\n}\n\n\/\/ Expire \u903e\u671f\u901a\u77e5\nfunc (c *CreditCard) Expire() {\n  c.notify(ExpireType, fmt.Sprintf("\u5c0a\u656c\u7684\u6301\u5361\u4eba%s,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u903e\u671f\uff0c\u8bf7\u53ca\u65f6\u8fd8\u6b3e\uff0c\u603b\u989d%.2f\u5143;", c.holder, c.consumeSum))\n}\n\n\/\/ notify \u6839\u636e\u6d88\u606f\u7c7b\u578b\u901a\u77e5\u8ba2\u9605\u8005\nfunc (c *CreditCard) notify(msgType MsgType, message string) {\n  if subs, ok := c.subscriberGroup[msgType]; ok {\n    for _, sub := range subs {\n      sub.Update(message)\n    }\n  }\n}<\/code><\/pre>\n
                          \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
                          package observer\n\nimport "testing"\n\nfunc TestObserver(t *testing.T) {\n  \/\/ \u521b\u5efa\u5f20\u4e09\u7684\u4fe1\u7528\u5361\n  creditCard := NewCreditCard("\u5f20\u4e09")\n  \/\/ \u77ed\u4fe1\u901a\u77e5\u8ba2\u9605\u4fe1\u7528\u5361\u6d88\u8d39\u53ca\u903e\u671f\u6d88\u606f\n  creditCard.Subscribe(new(shortMessage), ConsumeType, ExpireType)\n  \/\/ \u7535\u5b50\u90ae\u4ef6\u901a\u77e5\u8ba2\u9605\u4fe1\u7528\u5361\u8d26\u5355\u53ca\u903e\u671f\u6d88\u606f\n  creditCard.Subscribe(new(email), BillType, ExpireType)\n  \/\/ \u7535\u8bdd\u901a\u77e5\u8ba2\u9605\u4fe1\u7528\u5361\u903e\u671f\u6d88\u606f\uff0c\u540c\u65f6\u903e\u671f\u6d88\u606f\u901a\u8fc7\u4e09\u79cd\u65b9\u5f0f\u901a\u77e5\n  creditCard.Subscribe(new(telephone), ExpireType)\n\n  creditCard.Consume(500.00) \/\/ \u4fe1\u7528\u5361\u6d88\u8d39\n  creditCard.Consume(800.00) \/\/ \u4fe1\u7528\u5361\u6d88\u8d39\n  creditCard.SendBill()      \/\/ \u4fe1\u7528\u5361\u53d1\u9001\u8d26\u5355\n  creditCard.Expire()        \/\/ \u4fe1\u7528\u5361\u903e\u671f\n\n  \/\/ \u4fe1\u7528\u5361\u903e\u671f\u6d88\u606f\u53d6\u6d88\u7535\u5b50\u90ae\u4ef6\u53ca\u77ed\u4fe1\u901a\u77e5\u8ba2\u9605\n  creditCard.Unsubscribe(new(email), ExpireType)\n  creditCard.Unsubscribe(new(shortMessage), ExpireType)\n  creditCard.Consume(300.00) \/\/ \u4fe1\u7528\u5361\u6d88\u8d39\n  creditCard.Expire()        \/\/ \u4fe1\u7528\u5361\u903e\u671f\n}<\/code><\/pre>\n
                          \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
                          === RUN   TestObserver\n\u901a\u8fc7\u3010\u624b\u673a\u77ed\u606f\u3011\u53d1\u9001\u6d88\u606f:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u5f53\u524d\u6d88\u8d39500.00\u5143;\n\u901a\u8fc7\u3010\u624b\u673a\u77ed\u606f\u3011\u53d1\u9001\u6d88\u606f:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u5f53\u524d\u6d88\u8d39800.00\u5143;\n\u901a\u8fc7\u3010\u7535\u5b50\u90ae\u4ef6\u3011\u53d1\u9001\u6d88\u606f:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u51fa\uff0c\u6d88\u8d39\u603b\u989d1300.00\u5143;\n\u901a\u8fc7\u3010\u624b\u673a\u77ed\u606f\u3011\u53d1\u9001\u6d88\u606f:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u903e\u671f\uff0c\u8bf7\u53ca\u65f6\u8fd8\u6b3e\uff0c\u603b\u989d1300.00\u5143;\n\u901a\u8fc7\u3010\u7535\u5b50\u90ae\u4ef6\u3011\u53d1\u9001\u6d88\u606f:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u903e\u671f\uff0c\u8bf7\u53ca\u65f6\u8fd8\u6b3e\uff0c\u603b\u989d1300.00\u5143;\n\u901a\u8fc7\u3010\u7535\u8bdd\u3011\u544a\u77e5:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u903e\u671f\uff0c\u8bf7\u53ca\u65f6\u8fd8\u6b3e\uff0c\u603b\u989d1300.00\u5143;\n\u901a\u8fc7\u3010\u624b\u673a\u77ed\u606f\u3011\u53d1\u9001\u6d88\u606f:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u5f53\u524d\u6d88\u8d39300.00\u5143;\n\u901a\u8fc7\u3010\u7535\u8bdd\u3011\u544a\u77e5:\u5c0a\u656c\u7684\u6301\u5361\u4eba\u5f20\u4e09,\u60a8\u672c\u6708\u8d26\u5355\u5df2\u903e\u671f\uff0c\u8bf7\u53ca\u65f6\u8fd8\u6b3e\uff0c\u603b\u989d1600.00\u5143;\n--- PASS: TestObserver (0.00s)\nPASS<\/code><\/pre>\n
                          \"\u56fe\u7247\"<\/p>\n
                          \u72b6\u6001\u6a21\u5f0f<\/strong><\/h2>\n
                          \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h2>\n
                          \u72b6\u6001\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u8ba9\u4f60\u80fd\u5728\u4e00\u4e2a\u5bf9\u8c61\u7684\u5185\u90e8\u72b6\u6001\u53d8\u5316\u65f6\u6539\u53d8\u5176\u884c\u4e3a\uff0c\u4f7f\u5176\u770b\u4e0a\u53bb\u5c31\u50cf\u6539\u53d8\u4e86\u81ea\u8eab\u6240\u5c5e\u7684\u7c7b\u4e00\u6837\u3002<\/p>\n
                          \u8be5\u6a21\u5f0f\u5c06\u4e0e\u72b6\u6001\u76f8\u5173\u7684\u884c\u4e3a\u62bd\u53d6\u5230\u72ec\u7acb\u7684\u72b6\u6001\u7c7b\u4e2d\uff0c\u8ba9\u539f\u5bf9\u8c61\u5c06\u5de5\u4f5c\u59d4\u6d3e\u7ed9\u8fd9\u4e9b\u7c7b\u7684\u5b9e\u4f8b\uff0c\u800c\u4e0d\u662f\u81ea\u884c\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
                          \u72b6\u6001\u8fc1\u79fb\u6709\u56db\u4e2a\u5143\u7d20\u7ec4\u6210\uff0c\u8d77\u59cb\u72b6\u6001\u3001\u89e6\u53d1\u8fc1\u79fb\u7684\u4e8b\u4ef6\uff0c\u7ec8\u6b62\u72b6\u6001\u4ee5\u53ca\u8981\u6267\u884c\u7684\u52a8\u4f5c\uff0c\u6bcf\u4e2a\u5177\u4f53\u7684\u72b6\u6001\u5305\u542b\u89e6\u53d1\u72b6\u6001\u8fc1\u79fb\u7684\u6267\u884c\u65b9\u6cd5\uff0c\u8fc1\u79fb\u65b9\u6cd5\u7684\u5b9e\u73b0\u662f\u6267\u884c\u6301\u6709\u72b6\u6001\u5bf9\u8c61\u7684\u52a8\u4f5c\u65b9\u6cd5\uff0c\u540c\u65f6\u8bbe\u7f6e\u72b6\u6001\u4e3a\u4e0b\u4e00\u4e2a\u6d41\u8f6c\u72b6\u6001\uff1b\u6301\u6709\u72b6\u6001\u7684\u4e1a\u52a1\u5bf9\u8c61\u5305\u542b\u6709\u89e6\u53d1\u72b6\u6001\u8fc1\u79fb\u65b9\u6cd5\uff0c\u8fd9\u4e9b\u8fc1\u79fb\u65b9\u6cd5\u5c06\u8bf7\u6c42\u59d4\u6258\u7ed9\u5f53\u524d\u5177\u4f53\u72b6\u6001\u5bf9\u8c61\u7684\u8fc1\u79fb\u65b9\u6cd5\u3002<\/p>\n
                          \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
                          IPhone\u624b\u673a\u5145\u7535\u5c31\u662f\u4e00\u4e2a\u624b\u673a\u7535\u6c60\u72b6\u6001\u7684\u6d41\u8f6c\uff0c\u4e00\u5f00\u59cb\u624b\u673a\u5904\u4e8e\u6709\u7535\u72b6\u6001\uff0c\u63d2\u5165\u5145\u7535\u63d2\u5934\u540e\uff0c\u7ee7\u7eed\u5145\u7535\u5230\u6ee1\u7535\u72b6\u6001\uff0c\u5e76\u8fdb\u5165\u65ad\u7535\u4fdd\u62a4\uff0c\u62d4\u51fa\u5145\u7535\u63d2\u5934\u540e\u4f7f\u7528\u624b\u673a\uff0c\u7531\u6ee1\u7535\u9010\u6e10\u53d8\u4e3a\u6ca1\u7535\uff0c\u6700\u7ec8\u5173\u673a\uff1b<\/p>\n
                          \u72b6\u6001\u8fc1\u79fb\u8868\uff1a<\/p>\n
                          \"image.png\"<\/p>\n
                          \uff08\u4e09\uff09\u7535\u6c60\u72b6\u6001<\/strong><\/h4>\n
                          package state\n\nimport "fmt"\n\n\/\/ BatteryState \u7535\u6c60\u72b6\u6001\u63a5\u53e3\uff0c\u652f\u6301\u624b\u673a\u5145\u7535\u7ebf\u63d2\u62d4\u4e8b\u4ef6\ntype BatteryState interface {\n  ConnectPlug(iPhone *IPhone) string\n  DisconnectPlug(iPhone *IPhone) string\n}\n\n\/\/ fullBatteryState \u6ee1\u7535\u72b6\u6001\ntype fullBatteryState struct{}\n\nfunc (s *fullBatteryState) String() string {\n  return "\u6ee1\u7535\u72b6\u6001"\n}\n\nfunc (s *fullBatteryState) ConnectPlug(iPhone *IPhone) string {\n  return iPhone.pauseCharge()\n}\n\nfunc (s *fullBatteryState) DisconnectPlug(iPhone *IPhone) string {\n  iPhone.SetBatteryState(PartBatteryState)\n  return fmt.Sprintf("%s,%s\u8f6c\u4e3a%s", iPhone.consume(), s, PartBatteryState)\n}\n\n\/\/ emptyBatteryState \u7a7a\u7535\u72b6\u6001\ntype emptyBatteryState struct{}\n\nfunc (s *emptyBatteryState) String() string {\n  return "\u6ca1\u7535\u72b6\u6001"\n}\n\nfunc (s *emptyBatteryState) ConnectPlug(iPhone *IPhone) string {\n  iPhone.SetBatteryState(PartBatteryState)\n  return fmt.Sprintf("%s,%s\u8f6c\u4e3a%s", iPhone.charge(), s, PartBatteryState)\n}\n\nfunc (s *emptyBatteryState) DisconnectPlug(iPhone *IPhone) string {\n  return iPhone.shutdown()\n}\n\n\/\/ partBatteryState \u90e8\u5206\u7535\u72b6\u6001\ntype partBatteryState struct{}\n\nfunc (s *partBatteryState) String() string {\n  return "\u6709\u7535\u72b6\u6001"\n}\n\nfunc (s *partBatteryState) ConnectPlug(iPhone *IPhone) string {\n  iPhone.SetBatteryState(FullBatteryState)\n  return fmt.Sprintf("%s,%s\u8f6c\u4e3a%s", iPhone.charge(), s, FullBatteryState)\n}\n\nfunc (s *partBatteryState) DisconnectPlug(iPhone *IPhone) string {\n  iPhone.SetBatteryState(EmptyBatteryState)\n  return fmt.Sprintf("%s,%s\u8f6c\u4e3a%s", iPhone.consume(), s, EmptyBatteryState)\n}<\/code><\/pre>\n
                          \uff08\u56db\uff09IPhone\u624b\u673a<\/strong><\/h4>\n
                          package state\n\nimport "fmt"\n\n\/\/ \u7535\u6c60\u72b6\u6001\u5355\u4f8b\uff0c\u5168\u5c40\u7edf\u4e00\u4f7f\u7528\u4e09\u4e2a\u72b6\u6001\u7684\u5355\u4f8b\uff0c\u4e0d\u9700\u8981\u91cd\u590d\u521b\u5efa\nvar (\n  FullBatteryState  = new(fullBatteryState)  \/\/ \u6ee1\u7535\n  EmptyBatteryState = new(emptyBatteryState) \/\/ \u7a7a\u7535\n  PartBatteryState  = new(partBatteryState)  \/\/ \u90e8\u5206\u7535\n)\n\n\/\/ IPhone \u5df2\u624b\u673a\u5145\u7535\u4e3a\u4f8b\uff0c\u5b9e\u73b0\u72b6\u6001\u6a21\u5f0f\ntype IPhone struct {\n  model        string       \/\/ \u624b\u673a\u578b\u53f7\n  batteryState BatteryState \/\/ \u7535\u6c60\u72b6\u6001\n}\n\n\/\/ NewIPhone \u521b\u5efa\u6307\u5b9a\u578b\u53f7\u624b\u673a\nfunc NewIPhone(model string) *IPhone {\n  return &IPhone{\n    model:        model,\n    batteryState: PartBatteryState,\n  }\n}\n\n\/\/ BatteryState \u8f93\u51fa\u7535\u6c60\u5f53\u524d\u72b6\u6001\nfunc (i *IPhone) BatteryState() string {\n  return fmt.Sprintf("iPhone %s \u5f53\u524d\u4e3a%s", i.model, i.batteryState)\n}\n\n\/\/ ConnectPlug \u8fde\u63a5\u5145\u7535\u7ebf\nfunc (i *IPhone) ConnectPlug() string {\n  return fmt.Sprintf("iPhone %s \u8fde\u63a5\u7535\u6e90\u7ebf,%s", i.model, i.batteryState.ConnectPlug(i))\n}\n\n\/\/ DisconnectPlug \u65ad\u5f00\u5145\u7535\u7ebf\nfunc (i *IPhone) DisconnectPlug() string {\n  return fmt.Sprintf("iPhone %s \u65ad\u5f00\u7535\u6e90\u7ebf,%s", i.model, i.batteryState.DisconnectPlug(i))\n}\n\n\/\/ SetBatteryState \u8bbe\u7f6e\u7535\u6c60\u72b6\u6001\nfunc (i *IPhone) SetBatteryState(state BatteryState) {\n  i.batteryState = state\n}\n\nfunc (i *IPhone) charge() string {\n  return "\u6b63\u5728\u5145\u7535"\n}\n\nfunc (i *IPhone) pauseCharge() string {\n  return "\u7535\u5df2\u6ee1,\u6682\u505c\u5145\u7535"\n}\n\nfunc (i *IPhone) shutdown() string {\n  return "\u624b\u673a\u5173\u95ed"\n}\n\nfunc (i *IPhone) consume() string {\n  return "\u4f7f\u7528\u4e2d,\u6d88\u8017\u7535\u91cf"\n}<\/code><\/pre>\n
                          \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
                          package state\n\nimport (\n  "fmt"\n  "testing"\n)\n\nfunc TestState(t *testing.T) {\n  iPhone13Pro := NewIPhone("13 pro") \/\/ \u521a\u521b\u5efa\u7684\u624b\u673a\u6709\u90e8\u5206\u7535\n\n  fmt.Println(iPhone13Pro.BatteryState()) \/\/ \u6253\u5370\u90e8\u5206\u7535\u72b6\u6001\n  fmt.Println(iPhone13Pro.ConnectPlug())  \/\/ \u63d2\u4e0a\u7535\u6e90\u63d2\u5934\uff0c\u7ee7\u7eed\u5145\u6ee1\u7535\n  fmt.Println(iPhone13Pro.ConnectPlug())  \/\/ \u6ee1\u7535\u540e\u518d\u5145\u7535\uff0c\u4f1a\u89e6\u53d1\u6ee1\u7535\u4fdd\u62a4\n\n  fmt.Println(iPhone13Pro.DisconnectPlug()) \/\/ \u62d4\u6389\u7535\u6e90\uff0c\u4f7f\u7528\u624b\u673a\u6d88\u8017\u7535\u91cf\uff0c\u53d8\u4e3a\u6709\u90e8\u5206\u7535\n  fmt.Println(iPhone13Pro.DisconnectPlug()) \/\/ \u4e00\u76f4\u4f7f\u7528\u624b\u673a\uff0c\u76f4\u5230\u6ca1\u7535\n  fmt.Println(iPhone13Pro.DisconnectPlug()) \/\/ \u6ca1\u7535\u540e\u4f1a\u5173\u673a\n\n  fmt.Println(iPhone13Pro.ConnectPlug()) \/\/ \u518d\u6b21\u63d2\u4e0a\u7535\u6e90\u4e00\u4f1a\uff0c\u53d8\u4e3a\u6709\u7535\u72b6\u6001\n}<\/code><\/pre>\n
                          \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
                          === RUN   TestState\niPhone 13 pro \u5f53\u524d\u4e3a\u6709\u7535\u72b6\u6001\niPhone 13 pro \u8fde\u63a5\u7535\u6e90\u7ebf,\u6b63\u5728\u5145\u7535,\u6709\u7535\u72b6\u6001\u8f6c\u4e3a\u6ee1\u7535\u72b6\u6001\niPhone 13 pro \u8fde\u63a5\u7535\u6e90\u7ebf,\u7535\u5df2\u6ee1,\u6682\u505c\u5145\u7535\niPhone 13 pro \u65ad\u5f00\u7535\u6e90\u7ebf,\u4f7f\u7528\u4e2d,\u6d88\u8017\u7535\u91cf,\u6ee1\u7535\u72b6\u6001\u8f6c\u4e3a\u6709\u7535\u72b6\u6001\niPhone 13 pro \u65ad\u5f00\u7535\u6e90\u7ebf,\u4f7f\u7528\u4e2d,\u6d88\u8017\u7535\u91cf,\u6709\u7535\u72b6\u6001\u8f6c\u4e3a\u6ca1\u7535\u72b6\u6001\niPhone 13 pro \u65ad\u5f00\u7535\u6e90\u7ebf,\u624b\u673a\u5173\u95ed\niPhone 13 pro \u8fde\u63a5\u7535\u6e90\u7ebf,\u6b63\u5728\u5145\u7535,\u6ca1\u7535\u72b6\u6001\u8f6c\u4e3a\u6709\u7535\u72b6\u6001\n--- PASS: TestState (0.00s)\nPASS<\/code><\/pre>\n
                          \"\u56fe\u7247\"<\/p>\n
                          \u7b56\u7565\u6a21\u5f0f<\/strong><\/h2>\n
                          \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
                          \u7b56\u7565\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u80fd\u8ba9\u4f60\u5b9a\u4e49\u4e00\u7cfb\u5217\u7b97\u6cd5\uff0c\u5e76\u5c06\u6bcf\u79cd\u7b97\u6cd5\u5206\u522b\u653e\u5165\u72ec\u7acb\u7684\u7c7b\u4e2d\uff0c\u4ee5\u4f7f\u7b97\u6cd5\u7684\u5bf9\u8c61\u80fd\u591f\u76f8\u4e92\u66ff\u6362\u3002<\/p>\n
                          \u539f\u59cb\u5bf9\u8c61\u88ab\u79f0\u4e3a\u4e0a\u4e0b\u6587\uff0c\u5b83\u5305\u542b\u6307\u5411\u7b56\u7565\u5bf9\u8c61\u7684\u5f15\u7528\u5e76\u5c06\u6267\u884c\u884c\u4e3a\u7684\u4efb\u52a1\u5206\u6d3e\u7ed9\u7b56\u7565\u5bf9\u8c61\u3002\u4e3a\u4e86\u6539\u53d8\u4e0a\u4e0b\u6587\u5b8c\u6210\u5176\u5de5\u4f5c\u7684\u65b9\u5f0f\uff0c\u5176\u4ed6\u5bf9\u8c61\u53ef\u4ee5\u4f7f\u7528\u53e6\u4e00\u4e2a\u5bf9\u8c61\u6765\u66ff\u6362\u5f53\u524d\u94fe\u63a5\u7684\u7b56\u7565\u5bf9\u8c61\u3002<\/p>\n
                          \u7b56\u7565\u6a21\u5f0f\u662f\u6700\u5e38\u7528\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4e5f\u662f\u6bd4\u8f83\u7b80\u5355\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u662f\u4ee5\u591a\u6001\u66ff\u6362\u6761\u4ef6\u8868\u8fbe\u5f0f\u91cd\u6784\u65b9\u6cd5\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u662f\u9762\u5411\u63a5\u53e3\u7f16\u7a0b\u539f\u5219\u7684\u6700\u76f4\u63a5\u4f53\u73b0\uff1b<\/p>\n
                          \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
                          \u5317\u4eac\u662f\u4e00\u4e2a\u56db\u5b63\u5206\u660e\u7684\u57ce\u5e02\uff0c\u6bcf\u4e2a\u5b63\u8282\u5929\u6c14\u60c5\u51b5\u90fd\u6709\u660e\u663e\u7279\u70b9\uff1b\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u663e\u793a\u5929\u6c14\u60c5\u51b5\u7684\u5b63\u8282\u63a5\u53e3\uff0c\u5177\u4f53\u7684\u56db\u5b63\u5b9e\u73b0\uff0c\u90fd\u4f1a\u4fdd\u5b58\u4e00\u4e2a\u57ce\u5e02\u548c\u5929\u6c14\u60c5\u51b5\u7684\u6620\u5c04\u8868\uff0c\u57ce\u5e02\u5bf9\u8c61\u4f1a\u5305\u542b\u5b63\u8282\u63a5\u53e3\uff0c\u968f\u7740\u56db\u5b63\u7684\u53d8\u5316\uff0c\u5929\u6c14\u60c5\u51b5\u4e5f\u968f\u4e4b\u53d8\u5316\uff1b<\/p>\n
                          \uff08\u4e09\uff09\u56db\u5b63\u5929\u6c14<\/strong><\/h4>\n
                          package strategy\n\nimport "fmt"\n\n\/\/ Season \u5b63\u8282\u7684\u7b56\u7565\u63a5\u53e3\uff0c\u4e0d\u540c\u5b63\u8282\u8868\u73b0\u5f97\u5929\u6c14\u4e0d\u540c\ntype Season interface {\n  ShowWeather(city string) string \/\/ \u663e\u793a\u6307\u5b9a\u57ce\u5e02\u7684\u5929\u6c14\u60c5\u51b5\n}\n\ntype spring struct {\n  weathers map[string]string \/\/ \u5b58\u50a8\u4e0d\u540c\u57ce\u5e02\u6625\u5929\u6c14\u5019\n}\n\nfunc NewSpring() *spring {\n  return &spring{\n    weathers: map[string]string{"\u5317\u4eac": "\u5e72\u71e5\u591a\u98ce", "\u6606\u660e": "\u6e05\u51c9\u8212\u9002"},\n  }\n}\n\nfunc (s *spring) ShowWeather(city string) string {\n  return fmt.Sprintf("%s\u7684\u6625\u5929\uff0c%s;", city, s.weathers[city])\n}\n\ntype summer struct {\n  weathers map[string]string \/\/ \u5b58\u50a8\u4e0d\u540c\u57ce\u5e02\u590f\u5929\u6c14\u5019\n}\n\nfunc NewSummer() *summer {\n  return &summer{\n    weathers: map[string]string{"\u5317\u4eac": "\u9ad8\u6e29\u591a\u96e8", "\u6606\u660e": "\u6e05\u51c9\u8212\u9002"},\n  }\n}\n\nfunc (s *summer) ShowWeather(city string) string {\n  return fmt.Sprintf("%s\u7684\u590f\u5929\uff0c%s;", city, s.weathers[city])\n}\n\ntype autumn struct {\n  weathers map[string]string \/\/ \u5b58\u50a8\u4e0d\u540c\u57ce\u5e02\u79cb\u5929\u6c14\u5019\n}\n\nfunc NewAutumn() *autumn {\n  return &autumn{\n    weathers: map[string]string{"\u5317\u4eac": "\u51c9\u723d\u8212\u9002", "\u6606\u660e": "\u6e05\u51c9\u8212\u9002"},\n  }\n}\n\nfunc (a *autumn) ShowWeather(city string) string {\n  return fmt.Sprintf("%s\u7684\u79cb\u5929\uff0c%s;", city, a.weathers[city])\n}\n\ntype winter struct {\n  weathers map[string]string \/\/ \u5b58\u50a8\u4e0d\u540c\u57ce\u5e02\u51ac\u5929\u6c14\u5019\n}\n\nfunc NewWinter() *winter {\n  return &winter{\n    weathers: map[string]string{"\u5317\u4eac": "\u5e72\u71e5\u5bd2\u51b7", "\u6606\u660e": "\u6e05\u51c9\u8212\u9002"},\n  }\n}\n\nfunc (w *winter) ShowWeather(city string) string {\n  return fmt.Sprintf("%s\u7684\u51ac\u5929\uff0c%s;", city, w.weathers[city])\n}<\/code><\/pre>\n
                          \uff08\u56db\uff09\u57ce\u5e02\u6c14\u5019<\/strong><\/h4>\n
                          package strategy\n\nimport (\n  "fmt"\n)\n\n\/\/ City \u57ce\u5e02\ntype City struct {\n  name    string\n  feature string\n  season  Season\n}\n\n\/\/ NewCity \u6839\u636e\u540d\u79f0\u53ca\u5b63\u5019\u7279\u5f81\u521b\u5efa\u57ce\u5e02\nfunc NewCity(name, feature string) *City {\n  return &City{\n    name:    name,\n    feature: feature,\n  }\n}\n\n\/\/ SetSeason \u8bbe\u7f6e\u4e0d\u540c\u5b63\u8282\uff0c\u7c7b\u4f3c\u5929\u6c14\u5728\u4e0d\u540c\u5b63\u8282\u7684\u4e0d\u540c\u7b56\u7565\nfunc (c *City) SetSeason(season Season) {\n  c.season = season\n}\n\n\/\/ String \u663e\u793a\u57ce\u5e02\u7684\u6c14\u5019\u4fe1\u606f\nfunc (c *City) String() string {\n  return fmt.Sprintf("%s%s\uff0c%s", c.name, c.feature, c.season.ShowWeather(c.name))\n}<\/code><\/pre>\n
                          \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
                          package strategy\n\nimport (\n  "fmt"\n  "testing"\n)\n\nfunc TestStrategy(t *testing.T) {\n  Beijing := NewCity("\u5317\u4eac", "\u56db\u5b63\u5206\u660e")\n\n  Beijing.SetSeason(NewSpring())\n  fmt.Println(Beijing)\n\n  Beijing.SetSeason(NewSummer())\n  fmt.Println(Beijing)\n\n  Beijing.SetSeason(NewAutumn())\n  fmt.Println(Beijing)\n\n  Beijing.SetSeason(NewWinter())\n  fmt.Println(Beijing)\n}<\/code><\/pre>\n
                          \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
                          === RUN   TestStrategy\n\u5317\u4eac\u56db\u5b63\u5206\u660e\uff0c\u5317\u4eac\u7684\u6625\u5929\uff0c\u5e72\u71e5\u591a\u98ce;\n\u5317\u4eac\u56db\u5b63\u5206\u660e\uff0c\u5317\u4eac\u7684\u590f\u5929\uff0c\u9ad8\u6e29\u591a\u96e8;\n\u5317\u4eac\u56db\u5b63\u5206\u660e\uff0c\u5317\u4eac\u7684\u79cb\u5929\uff0c\u51c9\u723d\u8212\u9002;\n\u5317\u4eac\u56db\u5b63\u5206\u660e\uff0c\u5317\u4eac\u7684\u51ac\u5929\uff0c\u5e72\u71e5\u5bd2\u51b7;\n--- PASS: TestStrategy (0.00s)\nPASS<\/code><\/pre>\n
                          \"\u56fe\u7247\"<\/p>\n
                          \u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f<\/strong><\/h3>\n
                          \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
                          \u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u5728\u8d85\u7c7b\u4e2d\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7b97\u6cd5\u7684\u6846\u67b6\uff0c\u5141\u8bb8\u5b50\u7c7b\u5728\u4e0d\u4fee\u6539\u7ed3\u6784\u7684\u60c5\u51b5\u4e0b\u91cd\u5199\u7b97\u6cd5\u7684\u7279\u5b9a\u6b65\u9aa4\u3002<\/p>\n
                          \u7531\u4e8eGO\u8bed\u8a00\u6ca1\u6709\u7ee7\u627f\u7684\u8bed\u6cd5\uff0c\u6a21\u677f\u65b9\u6cd5\u53c8\u662f\u4f9d\u8d56\u7ee7\u627f\u5b9e\u73b0\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u56e0\u6b64GO\u8bed\u8a00\u5b9e\u73b0\u6a21\u677f\u65b9\u6cd5\u6bd4\u8f83\u56f0\u96be\uff0c GO\u8bed\u8a00\u652f\u6301\u9690\u5f0f\u5185\u5d4c\u5b57\u6bb5\u201c\u7ee7\u627f\u201d\u5176\u4ed6\u7ed3\u6784\u4f53\u7684\u5b57\u6bb5\u4e0e\u65b9\u6cd5\uff0c\u4f46\u662f\u8fd9\u4e2a\u5e76\u4e0d\u662f\u771f\u6b63\u610f\u4e49\u4e0a\u7684\u7ee7\u627f\u8bed\u6cd5\uff0c\u5916\u5c42\u7ed3\u6784\u91cd\u5199\u9690\u5f0f\u5b57\u6bb5\u4e2d\u7684\u7b97\u6cd5\u7279\u5b9a\u6b65\u9aa4\u540e\uff0c\u65e0\u6cd5\u52a8\u6001\u7ed1\u5b9a\u5230\u201c\u7ee7\u627f\u201d\u8fc7\u6765\u7684\u7b97\u6cd5\u7684\u6846\u67b6\u65b9\u6cd5\u8c03\u7528\u4e2d\uff0c\u56e0\u6b64\u4e0d\u80fd\u5b9e\u73b0\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u7684\u8bed\u4e49\u3002<\/p>\n
                          \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
                          \u672c\u793a\u4f8b\u7ed9\u51fa\u4e00\u79cd\u95f4\u63a5\u5b9e\u73b0\u6a21\u677f\u65b9\u6cd5\u7684\u65b9\u5f0f\uff0c\u4e5f\u6bd4\u8f83\u7b26\u5408\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u7684\u5b9a\u4e49\uff1a<\/p>\n
                            \n
                          • \u5c06\u591a\u4e2a\u7b97\u6cd5\u7279\u5b9a\u6b65\u9aa4\u7ec4\u5408\u6210\u4e00\u4e2a\u63a5\u53e3\uff1b<\/li>\n<\/ul>\n
                              \n
                            • \u57fa\u7c7b\u9690\u5f0f\u5185\u5d4c\u7b97\u6cd5\u6b65\u9aa4\u63a5\u53e3\uff0c\u540c\u65f6\u8c03\u7528\u7b97\u6cd5\u6b65\u9aa4\u63a5\u53e3\u7684\u5404\u65b9\u6cd5\uff0c\u5b9e\u73b0\u7b97\u6cd5\u7684\u6a21\u677f\u65b9\u6cd5\uff0c\u6b64\u65f6\u57fa\u7c7b\u5185\u5d4c\u7684\u7b97\u6cd5\u6b65\u9aa4\u63a5\u53e3\u5e76\u6ca1\u6709\u771f\u6b63\u7684\u5904\u7406\u884c\u4e3a\uff1b<\/li>\n<\/ul>\n
                                \n
                              • \u5b50\u7c7b\u9690\u5f0f\u5185\u5d4c\u57fa\u7c7b\uff0c\u5e76\u8986\u5199\u7b97\u6cd5\u6b65\u9aa4\u63a5\u53e3\u7684\u65b9\u6cd5\uff1b<\/li>\n<\/ul>\n
                                  \n
                                • \u901a\u8fc7\u5de5\u5382\u65b9\u6cd5\u521b\u5efa\u5177\u4f53\u5b50\u7c7b\uff0c\u5e76\u5c06\u81ea\u5df1\u7684\u5f15\u7528\u8d4b\u503c\u7ed9\u57fa\u7c7b\u4e2d\u7b97\u6cd5\u6b65\u9aa4\u63a5\u53e3\u5b57\u6bb5\uff1b<\/li>\n<\/ul>\n
                                  \u4ee5\u6f14\u5458\u88c5\u626e\u4e3a\u4f8b\uff0c\u6f14\u5458\u7684\u88c5\u626e\u662f\u5206\u4e3a\u5316\u5986\uff0c\u7a7f\u8863\uff0c\u914d\u9970\u4e09\u6b65\u9aa4\uff0c\u4e09\u4e2a\u6b65\u9aa4\u53c8\u6839\u636e\u4e0d\u540c\u89d2\u8272\u7684\u6f14\u5458\u6709\u6240\u5dee\u522b\uff0c\u56e0\u6b64\u6f14\u5458\u57fa\u7c7b\u5b9e\u73b0\u88c5\u626e\u7684\u6a21\u677f\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u5316\u5986\uff0c\u7a7f\u8863\uff0c\u914d\u9970\u7684\u4e09\u4e2a\u6b65\u9aa4\uff0c\u5728\u5b50\u7c7b\u6f14\u5458\u4e2d\u5177\u4f53\u5b9e\u73b0\uff0c\u5b50\u7c7b\u5177\u4f53\u6f14\u5458\u5206\u4e3a\uff0c\u7537\u6f14\u5458\u3001\u5973\u6f14\u5458\u548c\u513f\u7ae5\u6f14\u5458\uff1b<\/p>\n
                                  \uff08\u4e09\uff09\u6f14\u5458\u57fa\u7c7b<\/strong><\/h4>\n
                                  package templatemethod\n\nimport (\n  "bytes"\n  "fmt"\n)\n\n\/\/ IActor \u6f14\u5458\u63a5\u53e3\ntype IActor interface {\n  DressUp() string \/\/ \u88c5\u626e\n}\n\n\/\/ dressBehavior \u88c5\u626e\u7684\u591a\u4e2a\u884c\u4e3a\uff0c\u8fd9\u91cc\u591a\u4e2a\u884c\u4e3a\u662f\u79c1\u6709\u7684\uff0c\u901a\u8fc7DressUp\u6a21\u7248\u65b9\u6cd5\u8c03\u7528\ntype dressBehavior interface {\n  makeUp() string \/\/ \u5316\u5986\n  clothe() string \/\/ \u7a7f\u8863\n  wear() string   \/\/ \u914d\u9970\n}\n\n\/\/ BaseActor \u6f14\u5458\u57fa\u7c7b\ntype BaseActor struct {\n  roleName      string \/\/ \u626e\u6f14\u89d2\u8272\n  dressBehavior        \/\/ \u88c5\u626e\u884c\u4e3a\n}\n\n\/\/ DressUp \u7edf\u4e00\u5b9e\u73b0\u6f14\u5458\u63a5\u53e3\u7684DressUp\u6a21\u7248\u65b9\u6cd5\uff0c\u88c5\u626e\u8fc7\u7a0b\u901a\u8fc7\u4e0d\u540c\u88c5\u626e\u884c\u4e3a\u8fdb\u884c\u6269\u5c55\nfunc (b *BaseActor) DressUp() string {\n  buf := bytes.Buffer{}\n  buf.WriteString(fmt.Sprintf("\u626e\u6f14%s\u7684", b.roleName))\n  buf.WriteString(b.makeUp())\n  buf.WriteString(b.clothe())\n  buf.WriteString(b.wear())\n  return buf.String()\n}<\/code><\/pre>\n
                                  \uff08\u56db\uff09\u5177\u4f53\u6f14\u5458<\/strong><\/h4>\n
                                  package templatemethod\n\n\/\/ womanActor \u6269\u5c55\u88c5\u626e\u884c\u4e3a\u7684\u5973\u6f14\u5458\ntype womanActor struct {\n  BaseActor\n}\n\n\/\/ NewWomanActor \u6307\u5b9a\u89d2\u8272\u521b\u5efa\u5973\u6f14\u5458\nfunc NewWomanActor(roleName string) *womanActor {\n  actor := new(womanActor)    \/\/ \u521b\u5efa\u5973\u6f14\u5458\n  actor.roleName = roleName   \/\/ \u8bbe\u7f6e\u89d2\u8272\n  actor.dressBehavior = actor \/\/ \u5c06\u5973\u6f14\u5458\u5b9e\u73b0\u7684\u6269\u5c55\u88c5\u626e\u884c\u4e3a\uff0c\u8bbe\u7f6e\u7ed9\u81ea\u5df1\u7684\u88c5\u626e\u884c\u4e3a\u63a5\u53e3\n  return actor\n}\n\n\/\/ \u5316\u5986\nfunc (w *womanActor) makeUp() string {\n  return "\u5973\u6f14\u5458\u6d82\u7740\u53e3\u7ea2\uff0c\u753b\u7740\u7709\u6bdb\uff1b"\n}\n\n\/\/ \u7a7f\u8863\nfunc (w *womanActor) clothe() string {\n  return "\u7a7f\u7740\u8fde\u8863\u88d9\uff1b"\n}\n\n\/\/ \u914d\u9970\nfunc (w *womanActor) wear() string {\n  return "\u5e26\u7740\u8033\u73af\uff0c\u624b\u62ce\u7740\u5305\uff1b"\n}\n\n\/\/ manActor \u6269\u5c55\u88c5\u626e\u884c\u4e3a\u7684\u7537\u6f14\u5458\ntype manActor struct {\n  BaseActor\n}\n\nfunc NewManActor(roleName string) *manActor {\n  actor := new(manActor)\n  actor.roleName = roleName\n  actor.dressBehavior = actor \/\/ \u5c06\u7537\u6f14\u5458\u5b9e\u73b0\u7684\u6269\u5c55\u88c5\u626e\u884c\u4e3a\uff0c\u8bbe\u7f6e\u7ed9\u81ea\u5df1\u7684\u88c5\u626e\u884c\u4e3a\u63a5\u53e3\n  return actor\n}\n\nfunc (m *manActor) makeUp() string {\n  return "\u7537\u6f14\u5458\u522e\u51c0\u80e1\u5b50\uff0c\u62b9\u4e0a\u53d1\u80f6\uff1b"\n}\n\nfunc (m *manActor) clothe() string {\n  return "\u7a7f\u7740\u4e00\u8eab\u897f\u88c5\uff1b"\n}\n\nfunc (m *manActor) wear() string {\n  return "\u5e26\u4e0a\u624b\u8868\uff0c\u62bd\u7740\u70df\uff1b"\n}\n\n\/\/ NewChildActor \u6269\u5c55\u88c5\u626e\u884c\u4e3a\u7684\u513f\u7ae5\u6f14\u5458\ntype childActor struct {\n  BaseActor\n}\n\nfunc NewChildActor(roleName string) *childActor {\n  actor := new(childActor)\n  actor.roleName = roleName\n  actor.dressBehavior = actor \/\/ \u5c06\u513f\u7ae5\u6f14\u5458\u5b9e\u73b0\u7684\u6269\u5c55\u88c5\u626e\u884c\u4e3a\uff0c\u8bbe\u7f6e\u7ed9\u81ea\u5df1\u7684\u88c5\u626e\u884c\u4e3a\u63a5\u53e3\n  return actor\n}\n\nfunc (c *childActor) makeUp() string {\n  return "\u513f\u7ae5\u6f14\u5458\u62b9\u4e0a\u7ea2\u8138\u86cb\uff1b"\n}\n\nfunc (c *childActor) clothe() string {\n  return "\u7a7f\u7740\u4e00\u8eab\u7ae5\u88c5\uff1b"\n}\n\nfunc (c *childActor) wear() string {\n  return "\u624b\u91cc\u62ff\u7740\u4e00\u4e32\u7cd6\u846b\u82a6\uff1b"\n}\n<\/code><\/pre>\n
                                  \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
                                  package templatemethod\n\nimport (\n  "fmt"\n  "testing"\n)\n\nfunc TestTemplateMethod(t *testing.T) {\n  showActors(NewWomanActor("\u5988\u5988"), NewManActor("\u7238\u7238"), NewChildActor("\u513f\u5b50"))\n}\n\n\/\/ showActors \u663e\u793a\u6f14\u5458\u7684\u88c5\u626e\u4fe1\u606f\nfunc showActors(actors ...IActor) {\n  for _, actor := range actors {\n    fmt.Println(actor.DressUp())\n  }\n}<\/code><\/pre>\n
                                  \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
                                  === RUN   TestTemplateMethod\n\u626e\u6f14\u5988\u5988\u7684\u5973\u6f14\u5458\u6d82\u7740\u53e3\u7ea2\uff0c\u753b\u7740\u7709\u6bdb\uff1b\u7a7f\u7740\u8fde\u8863\u88d9\uff1b\u5e26\u7740\u8033\u73af\uff0c\u624b\u62ce\u7740\u5305\uff1b\n\u626e\u6f14\u7238\u7238\u7684\u7537\u6f14\u5458\u522e\u51c0\u80e1\u5b50\uff0c\u62b9\u4e0a\u53d1\u80f6\uff1b\u7a7f\u7740\u4e00\u8eab\u897f\u88c5\uff1b\u5e26\u4e0a\u624b\u8868\uff0c\u62bd\u7740\u70df\uff1b\n\u626e\u6f14\u513f\u5b50\u7684\u513f\u7ae5\u6f14\u5458\u62b9\u4e0a\u7ea2\u8138\u86cb\uff1b\u7a7f\u7740\u4e00\u8eab\u7ae5\u88c5\uff1b\u624b\u91cc\u62ff\u7740\u4e00\u4e32\u7cd6\u846b\u82a6\uff1b\n--- PASS: TestTemplateMethod (0.00s)\nPASS<\/code><\/pre>\n
                                  \"\u56fe\u7247\"<\/p>\n
                                  \u8bbf\u95ee\u8005\u6a21\u5f0f<\/strong><\/p>\n
                                  \uff08\u4e00\uff09\u6982\u5ff5<\/strong><\/h3>\n
                                  \u8bbf\u95ee\u8005\u6a21\u5f0f\u662f\u4e00\u79cd\u884c\u4e3a\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u80fd\u5c06\u7b97\u6cd5\u4e0e\u5176\u6240\u4f5c\u7528\u7684\u5bf9\u8c61\u9694\u79bb\u5f00\u6765\u3002\u5141\u8bb8\u4f60\u5728\u4e0d\u4fee\u6539\u5df2\u6709\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5411\u5df2\u6709\u7c7b\u5c42\u6b21\u7ed3\u6784\u4e2d\u589e\u52a0\u65b0\u7684\u884c\u4e3a\u3002<\/p>\n
                                  \u8bbf\u95ee\u8005\u63a5\u53e3\u9700\u8981\u6839\u636e\u88ab\u8bbf\u95ee\u8005\u5177\u4f53\u7c7b\uff0c\u5b9a\u4e49\u591a\u4e2a\u76f8\u4f3c\u7684\u8bbf\u95ee\u65b9\u6cd5\uff0c\u6bcf\u4e2a\u5177\u4f53\u7c7b\u5bf9\u5e94\u4e00\u4e2a\u8bbf\u95ee\u65b9\u6cd5\uff1b\u6bcf\u4e2a\u88ab\u8bbf\u95ee\u8005\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u63a5\u53d7\u8bbf\u95ee\u8005\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u65b9\u6cd5\u7684\u5b9e\u73b0\u5c31\u662f\u53bb\u8c03\u7528\u8bbf\u95ee\u8005\u63a5\u53e3\u5bf9\u5e94\u8be5\u7c7b\u7684\u8bbf\u95ee\u65b9\u6cd5\uff1b\u8fd9\u4e2a\u63a5\u53d7\u65b9\u6cd5\u53ef\u4ee5\u4f20\u5165\u4e0d\u540c\u76ee\u7684\u8bbf\u95ee\u8005\u63a5\u53e3\u7684\u5177\u4f53\u5b9e\u73b0\uff0c\u4ece\u800c\u5728\u4e0d\u4fee\u6539\u88ab\u8bbf\u95ee\u5bf9\u8c61\u7684\u524d\u63d0\u4e0b\uff0c\u589e\u52a0\u65b0\u7684\u529f\u80fd\uff1b<\/p>\n
                                  \uff08\u4e8c\uff09\u793a\u4f8b<\/strong><\/h3>\n
                                  \u516c\u53f8\u4e2d\u5b58\u5728\u591a\u79cd\u7c7b\u578b\u7684\u5458\u5de5\uff0c\u5305\u62ec\u4ea7\u54c1\u7ecf\u7406\u3001\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u3001\u4eba\u529b\u8d44\u6e90\u7b49\uff0c\u4ed6\u4eec\u7684KPI\u6307\u6807\u4e0d\u5c3d\u76f8\u540c\uff0c\u4ea7\u54c1\u7ecf\u7406\u4e3a\u4e0a\u7ebf\u4ea7\u54c1\u6570\u91cf\u53ca\u6ee1\u610f\u5ea6\uff0c\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u4e3a\u5b9e\u73b0\u7684\u9700\u6c42\u6570\u53ca\u4fee\u6539bug\u6570\uff0c\u4eba\u529b\u8d44\u6e90\u4e3a\u62db\u8058\u5458\u5de5\u7684\u6570\u91cf\uff1b\u516c\u53f8\u8981\u6839\u636e\u5458\u5de5\u5b8c\u6210\u7684KPI\u8fdb\u884c\u8868\u5f70\u516c\u793a\uff0c\u540c\u65f6\u6839\u636eKPI\u5b8c\u6210\u60c5\u51b5\u5b9a\u85aa\u916c\uff0c\u8fd9\u4e9b\u529f\u80fd\u90fd\u662f\u5458\u5de5\u7c7b\u804c\u8d23\u4e4b\u5916\u7684\uff0c\u4e0d\u80fd\u4fee\u6539\u5458\u5de5\u672c\u8eab\u7684\u7c7b\uff0c\u6211\u4eec\u901a\u8fc7\u8bbf\u95ee\u8005\u6a21\u5f0f\uff0c\u5b9e\u73b0KPI\u8868\u5f70\u6392\u540d\u53ca\u85aa\u916c\u53d1\u653e\uff1b<\/p>\n
                                  \uff08\u4e09\uff09\u5458\u5de5\u7ed3\u6784<\/strong><\/h4>\n
                                  package visitor\n\nimport "fmt"\n\n\/\/ Employee \u5458\u5de5\u63a5\u53e3\ntype Employee interface {\n  KPI() string                    \/\/ \u5b8c\u6210kpi\u4fe1\u606f\n  Accept(visitor EmployeeVisitor) \/\/ \u63a5\u53d7\u8bbf\u95ee\u8005\u5bf9\u8c61\n}\n\n\/\/ productManager \u4ea7\u54c1\u7ecf\u7406\ntype productManager struct {\n  name         string \/\/ \u540d\u79f0\n  productNum   int    \/\/ \u4e0a\u7ebf\u4ea7\u54c1\u6570\n  satisfaction int    \/\/ \u5e73\u5747\u6ee1\u610f\u5ea6\n}\n\nfunc NewProductManager(name string, productNum int, satisfaction int) *productManager {\n  return &productManager{\n    name:         name,\n    productNum:   productNum,\n    satisfaction: satisfaction,\n  }\n}\n\nfunc (p *productManager) KPI() string {\n  return fmt.Sprintf("\u4ea7\u54c1\u7ecf\u7406%s\uff0c\u4e0a\u7ebf%d\u4e2a\u4ea7\u54c1\uff0c\u5e73\u5747\u6ee1\u610f\u5ea6\u4e3a%d", p.name, p.productNum, p.satisfaction)\n}\n\nfunc (p *productManager) Accept(visitor EmployeeVisitor) {\n  visitor.VisitProductManager(p)\n}\n\n\/\/ softwareEngineer \u8f6f\u4ef6\u5de5\u7a0b\u5e08\ntype softwareEngineer struct {\n  name           string \/\/ \u59d3\u540d\n  requirementNum int    \/\/ \u5b8c\u6210\u9700\u6c42\u6570\n  bugNum         int    \/\/ \u4fee\u590d\u95ee\u9898\u6570\n}\n\nfunc NewSoftwareEngineer(name string, requirementNum int, bugNum int) *softwareEngineer {\n  return &softwareEngineer{\n    name:           name,\n    requirementNum: requirementNum,\n    bugNum:         bugNum,\n  }\n}\n\nfunc (s *softwareEngineer) KPI() string {\n  return fmt.Sprintf("\u8f6f\u4ef6\u5de5\u7a0b\u5e08%s\uff0c\u5b8c\u6210%d\u4e2a\u9700\u6c42\uff0c\u4fee\u590d%d\u4e2a\u95ee\u9898", s.name, s.requirementNum, s.bugNum)\n}\n\nfunc (s *softwareEngineer) Accept(visitor EmployeeVisitor) {\n  visitor.VisitSoftwareEngineer(s)\n}\n\n\/\/ hr \u4eba\u529b\u8d44\u6e90\ntype hr struct {\n  name       string \/\/ \u59d3\u540d\n  recruitNum int    \/\/ \u62db\u8058\u4eba\u6570\n}\n\nfunc NewHR(name string, recruitNum int) *hr {\n  return &hr{\n    name:       name,\n    recruitNum: recruitNum,\n  }\n}\n\nfunc (h *hr) KPI() string {\n  return fmt.Sprintf("\u4eba\u529b\u8d44\u6e90%s\uff0c\u62db\u8058%d\u540d\u5458\u5de5", h.name, h.recruitNum)\n}\n\nfunc (h *hr) Accept(visitor EmployeeVisitor) {\n  visitor.VisitHR(h)\n}<\/code><\/pre>\n
                                  \uff08\u56db\uff09\u5458\u5de5\u8bbf\u95ee\u8005<\/strong><\/h4>\n
                                  package visitor\n\nimport (\n  "fmt"\n  "sort"\n)\n\n\/\/ EmployeeVisitor \u5458\u5de5\u8bbf\u95ee\u8005\u63a5\u53e3\ntype EmployeeVisitor interface {\n  VisitProductManager(pm *productManager)     \/\/ \u8bbf\u95ee\u4ea7\u54c1\u7ecf\u7406\n  VisitSoftwareEngineer(se *softwareEngineer) \/\/ \u8bbf\u95ee\u8f6f\u4ef6\u5de5\u7a0b\u5e08\n  VisitHR(hr *hr)                             \/\/ \u8bbf\u95ee\u4eba\u529b\u8d44\u6e90\n}\n\n\/\/ kpi kpi\u5bf9\u8c61\ntype kpi struct {\n  name string \/\/ \u5b8c\u6210kpi\u59d3\u540d\n  sum  int    \/\/ \u5b8c\u6210kpi\u603b\u6570\u91cf\n}\n\n\/\/ kpiTopVisitor \u5458\u5de5kpi\u6392\u540d\u8bbf\u95ee\u8005\ntype kpiTopVisitor struct {\n  top []*kpi\n}\n\nfunc (k *kpiTopVisitor) VisitProductManager(pm *productManager) {\n  k.top = append(k.top, &kpi{\n    name: pm.name,\n    sum:  pm.productNum + pm.satisfaction,\n  })\n}\n\nfunc (k *kpiTopVisitor) VisitSoftwareEngineer(se *softwareEngineer) {\n  k.top = append(k.top, &kpi{\n    name: se.name,\n    sum:  se.requirementNum + se.bugNum,\n  })\n}\n\nfunc (k *kpiTopVisitor) VisitHR(hr *hr) {\n  k.top = append(k.top, &kpi{\n    name: hr.name,\n    sum:  hr.recruitNum,\n  })\n}\n\n\/\/ Publish \u53d1\u5e03KPI\u6392\u884c\u699c\nfunc (k *kpiTopVisitor) Publish() {\n  sort.Slice(k.top, func(i, j int) bool {\n    return k.top[i].sum > k.top[j].sum\n  })\n  for i, curKPI := range k.top {\n    fmt.Printf("\u7b2c%d\u540d%s\uff1a\u5b8c\u6210KPI\u603b\u6570%d\/n", i+1, curKPI.name, curKPI.sum)\n  }\n}\n\n\/\/ salaryVisitor \u85aa\u916c\u8bbf\u95ee\u8005\ntype salaryVisitor struct{}\n\nfunc (s *salaryVisitor) VisitProductManager(pm *productManager) {\n  fmt.Printf("\u4ea7\u54c1\u7ecf\u7406\u57fa\u672c\u85aa\u8d44\uff1a1000\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a100\u5143\uff0c")\n  fmt.Printf("%s\uff0c\u603b\u5de5\u8d44\u4e3a%d\u5143\/n", pm.KPI(), (pm.productNum+pm.satisfaction)*100+1000)\n}\n\nfunc (s *salaryVisitor) VisitSoftwareEngineer(se *softwareEngineer) {\n  fmt.Printf("\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u57fa\u672c\u85aa\u8d44\uff1a1500\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a80\u5143\uff0c")\n  fmt.Printf("%s\uff0c\u603b\u5de5\u8d44\u4e3a%d\u5143\/n", se.KPI(), (se.requirementNum+se.bugNum)*80+1500)\n}\n\nfunc (s *salaryVisitor) VisitHR(hr *hr) {\n  fmt.Printf("\u4eba\u529b\u8d44\u6e90\u57fa\u672c\u85aa\u8d44\uff1a800\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a120\u5143\uff0c")\n  fmt.Printf("%s\uff0c\u603b\u5de5\u8d44\u4e3a%d\u5143\/n", hr.KPI(), hr.recruitNum*120+800)\n}<\/code><\/pre>\n
                                  \uff08\u4e94\uff09\u6d4b\u8bd5\u7a0b\u5e8f<\/strong><\/h4>\n
                                  package visitor\n\nimport "testing"\n\nfunc TestVisitor(t *testing.T) {\n  allEmployees := AllEmployees() \/\/ \u83b7\u53d6\u6240\u6709\u5458\u5de5\n  kpiTop := new(kpiTopVisitor)   \/\/ \u521b\u5efaKPI\u6392\u884c\u8bbf\u95ee\u8005\n  VisitAllEmployees(kpiTop, allEmployees)\n  kpiTop.Publish() \/\/ \u53d1\u5e03\u6392\u884c\u699c\n\n  salary := new(salaryVisitor) \/\/ \u521b\u5efa\u85aa\u916c\u8bbf\u95ee\u8005\n  VisitAllEmployees(salary, allEmployees)\n}\n\n\/\/ VisitAllEmployees \u904d\u5386\u6240\u6709\u5458\u5de5\u8c03\u7528\u8bbf\u95ee\u8005\nfunc VisitAllEmployees(visitor EmployeeVisitor, allEmployees []Employee) {\n  for _, employee := range allEmployees {\n    employee.Accept(visitor)\n  }\n}\n\n\/\/ AllEmployees \u83b7\u5f97\u6240\u6709\u516c\u53f8\u5458\u5de5\nfunc AllEmployees() []Employee {\n  var employees []Employee\n  employees = append(employees, NewHR("\u5c0f\u660e", 10))\n  employees = append(employees, NewProductManager("\u5c0f\u7ea2", 4, 7))\n  employees = append(employees, NewSoftwareEngineer("\u5f20\u4e09", 10, 5))\n  employees = append(employees, NewSoftwareEngineer("\u674e\u56db", 3, 6))\n  employees = append(employees, NewSoftwareEngineer("\u738b\u4e94", 7, 1))\n  return employees\n}<\/code><\/pre>\n
                                  \uff08\u516d\uff09\u8fd0\u884c\u7ed3\u679c<\/strong><\/h4>\n
                                  === RUN   TestVisitor\n\u7b2c1\u540d\u5f20\u4e09\uff1a\u5b8c\u6210KPI\u603b\u657015\n\u7b2c2\u540d\u5c0f\u7ea2\uff1a\u5b8c\u6210KPI\u603b\u657011\n\u7b2c3\u540d\u5c0f\u660e\uff1a\u5b8c\u6210KPI\u603b\u657010\n\u7b2c4\u540d\u674e\u56db\uff1a\u5b8c\u6210KPI\u603b\u65709\n\u7b2c5\u540d\u738b\u4e94\uff1a\u5b8c\u6210KPI\u603b\u65708\n\u4eba\u529b\u8d44\u6e90\u57fa\u672c\u85aa\u8d44\uff1a800\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a120\u5143\uff0c\u4eba\u529b\u8d44\u6e90\u5c0f\u660e\uff0c\u62db\u805810\u540d\u5458\u5de5\uff0c\u603b\u5de5\u8d44\u4e3a2000\u5143\n\u4ea7\u54c1\u7ecf\u7406\u57fa\u672c\u85aa\u8d44\uff1a1000\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a100\u5143\uff0c\u4ea7\u54c1\u7ecf\u7406\u5c0f\u7ea2\uff0c\u4e0a\u7ebf4\u4e2a\u4ea7\u54c1\uff0c\u5e73\u5747\u6ee1\u610f\u5ea6\u4e3a7\uff0c\u603b\u5de5\u8d44\u4e3a2100\u5143\n\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u57fa\u672c\u85aa\u8d44\uff1a1500\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a80\u5143\uff0c\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u5f20\u4e09\uff0c\u5b8c\u621010\u4e2a\u9700\u6c42\uff0c\u4fee\u590d5\u4e2a\u95ee\u9898\uff0c\u603b\u5de5\u8d44\u4e3a2700\u5143\n\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u57fa\u672c\u85aa\u8d44\uff1a1500\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a80\u5143\uff0c\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u674e\u56db\uff0c\u5b8c\u62103\u4e2a\u9700\u6c42\uff0c\u4fee\u590d6\u4e2a\u95ee\u9898\uff0c\u603b\u5de5\u8d44\u4e3a2220\u5143\n\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u57fa\u672c\u85aa\u8d44\uff1a1500\u5143\uff0cKPI\u5355\u4f4d\u85aa\u8d44\uff1a80\u5143\uff0c\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u738b\u4e94\uff0c\u5b8c\u62107\u4e2a\u9700\u6c42\uff0c\u4fee\u590d1\u4e2a\u95ee\u9898\uff0c\u603b\u5de5\u8d44\u4e3a2140\u5143\n--- PASS: TestVisitor (0.00s)<\/code><\/pre>\n
                                  https:\/\/segmentfault.com\/a\/1190000042859564<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
                                  \u5bfc\u8bed| \u8bbe\u8ba1\u6a21\u5f0f\u662f\u9488\u5bf9\u8f6f\u4ef6\u8bbe\u8ba1\u4e2d\u5e38\u89c1\u95ee\u9898\u7684\u5de5\u5177\u7bb1\uff0c\u5176\u4e2d\u7684\u5de5\u5177\u5c31\u662f\u5404\u79cd\u7ecf\u8fc7\u5b9e\u8df5\u9a8c\u8bc1\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5373\u4f7f\u4f60\u4ece\u672a\u9047\u5230\u8fc7\u8fd9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10006895","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006895"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006895\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}