{"id":10006796,"date":"2022-11-03T21:50:20","date_gmt":"2022-11-03T13:50:20","guid":{"rendered":"https:\/\/ityet.com\/?p=10006796"},"modified":"2022-11-03T21:50:20","modified_gmt":"2022-11-03T13:50:20","slug":"%e5%88%9b%e5%bb%ba%e5%9e%8b%e8%ae%be%e8%ae%a1%e6%a8%a1%e5%bc%8f%e5%9c%a8go%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006796","title":{"rendered":"\u521b\u5efa\u578b\u8bbe\u8ba1\u6a21\u5f0f\u5728Go\u4e2d\u7684\u5e94\u7528"},"content":{"rendered":"
\u521b\u5efa\u578b\u6a21\u5f0f\u63d0\u4f9b\u4e86\u521b\u5efa\u5bf9\u8c61\u7684\u673a\u5236\uff0c\u80fd\u591f\u63d0\u5347\u5df2\u6709\u4ee3\u7801\u7684\u7075\u6d3b\u6027\u548c\u53ef\u590d\u7528\u6027\u3002\n\n\u4e0b\u9762\u5206\u522b\u6765\u8bf4\u4e00\u4e0b\u5e38\u89c1\u7684\u51e0\u79cd\u521b\u5efa\u6027\u8bbe\u8ba1\u6a21\u5f0f\uff1a\n<\/code><\/pre>\n
\u4e00\u3001\u5355\u4f8b\u6a21\u5f0f<\/h2>\n
\u5b9a\u4e49<\/h3>\n
\u4e00\u4e2a\u7c7b\u53ea\u5141\u8bb8\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61(\u6216\u8005\u5b9e\u4f8b)\uff0c\u90a3\u8fd9\u4e2a\u7c7b\u5c31\u662f\u4e00\u4e2a\u5355\u4f8b\u7c7b\uff0c\u8fd9\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u5c31\u53eb\u4f5c\u5355\u4f8b\u6a21\u5f0f\u3002<\/p>\n
\u4f7f\u7528\u573a\u666f<\/h3>\n
\u4ece\u4e1a\u52a1\u6982\u5ff5\u4e0a\uff0c\u6709\u4e9b\u6570\u636e\u5728\u7cfb\u7edf\u4e2d\u53ea\u5e94\u8be5\u4fdd\u5b58\u4e00\u4efd\uff0c\u5c31\u6bd4\u8f83\u9002\u5408\u8bbe\u8ba1\u4e3a\u5355\u4f8b\u7c7b\u3002\u6bd4\u5982\uff0c\u7cfb\u7edf\u7684\u914d\u7f6e\u4fe1\u606f\u7c7b\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5355\u4f8b\u89e3\u51b3\u8d44\u6e90\u8bbf\u95ee\u51b2\u7a81\u7684\u95ee\u9898\u3002<\/p>\n
\u5b9e\u73b0<\/h3>\n
\u6982\u62ec\u8d77\u6765\uff0c\u8981\u5b9e\u73b0\u4e00\u4e2a\u5355\u4f8b\uff0c\u6211\u4eec\u9700\u8981\u5173\u6ce8\u7684\u70b9\u65e0\u5916\u4e4e\u4e0b\u9762\u51e0\u4e2a:<\/p>\n
    \n
  • \u6784\u9020\u51fd\u6570\u9700\u8981\u662f private \u8bbf\u95ee\u6743\u9650\u7684\uff0c\u8fd9\u6837\u624d\u80fd\u907f\u514d\u5916\u90e8\u901a\u8fc7 new \u521b\u5efa\u5b9e\u4f8b;<\/li>\n
  • \u8003\u8651\u5bf9\u8c61\u521b\u5efa\u65f6\u7684\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898;<\/li>\n
  • \u8003\u8651\u662f\u5426\u652f\u6301\u5ef6\u8fdf\u52a0\u8f7d;<\/li>\n
  • \u8003\u8651 getInstance() \u6027\u80fd\u662f\u5426\u9ad8(\u662f\u5426\u52a0\u9501)\u3002<\/li>\n<\/ul>\n
    \u6839\u636e\u662f\u5426\u652f\u6301\u5ef6\u8fdf\u52a0\u8f7d\uff0c\u5355\u4f8b\u6a21\u5f0f\u5206\u4e3a\u997f\u6c49\u5f0f\u548c\u61d2\u6c49\u5f0f
    1. \u997f\u6c49\u5f0f<\/strong>
    \u5728\u7c7b\u52a0\u8f7d\u7684\u65f6\u5019\uff0cinstance \u9759\u6001\u5b9e\u4f8b\u5c31\u5df2\u7ecf\u521b\u5efa\u5e76\u521d\u59cb\u5316\u597d \u4e86\uff0c\u6240\u4ee5\uff0cinstance \u5b9e\u4f8b\u7684\u521b\u5efa\u8fc7\u7a0b\u662f\u7ebf\u7a0b\u5b89\u5168\u7684\u3002<\/p>\n
    package singleton\n\ntype Singleton struct{}\n\nvar singleton *Singleton\n\nfunc init() {\n    singleton = &Singleton{}\n}\n\n\/\/ GetInstance \u83b7\u53d6\u5b9e\u4f8b\nfunc GetInstance() *Singleton {\n    return singleton\n}<\/code><\/pre>\n
    2. \u61d2\u6c49\u5f0f\uff08\u53cc\u91cd\u68c0\u6d4b\uff09<\/strong>
    \u61d2\u6c49\u5f0f\u76f8\u5bf9\u4e8e\u997f\u6c49\u5f0f\u7684\u4f18\u52bf\u662f\u652f\u6301\u5ef6\u8fdf\u52a0\u8f7d\uff0c\u4f46\u662f\u56e0\u4e3a\u9700\u8981\u52a0\u9501\uff0c\u6709\u6027\u80fd\u95ee\u9898\u3002<\/p>\n
    \u53cc\u91cd\u68c0\u6d4b\uff1a\u5728\u61d2\u6c49\u5f0f\u7684\u5b9e\u73b0\u65b9\u5f0f\u4e2d\uff0c\u53ea\u8981 instance \u88ab\u521b\u5efa\u4e4b\u540e\uff0c\u5373\u4fbf\u518d\u8c03\u7528 getInstance() \u51fd\u6570\u4e5f\u4e0d\u4f1a\u518d\u8fdb\u5165\u5230\u52a0\u9501\u903b\u8f91\u4e2d\uff0c\u8fd9\u6837\u4fbf\u65e2\u652f\u6301\u5ef6\u8fdf\u52a0\u8f7d\u3001\u53c8\u652f\u6301\u9ad8\u5e76\u53d1\u4e86\u3002\n<\/code><\/pre>\n
    package singleton\n\nimport "sync"\n\nvar (\n    lazySingleton *Singleton\n    once          = &sync.Once{}\n)\n\n\/\/ GetLazyInstance \u61d2\u6c49\u5f0f\nfunc GetLazyInstance() *Singleton {\n    if lazySingleton == nil {\n        once.Do(func() {\n            lazySingleton = &Singleton{}\n        })\n    }\n    return lazySingleton\n}<\/code><\/pre>\n
    \u997f\u6c49\u5f0f\u5c06\u8017\u65f6\u7684\u521d\u59cb\u5316\u64cd\u4f5c\uff0c\u63d0\u524d\u5230\u7a0b\u5e8f\u542f\u52a8\u7684\u65f6\u5019\u5b8c\u6210\uff0c\u8fd9\u6837\u5c31\u80fd\u907f\u514d\u5728\u7a0b\u5e8f\u8fd0\u884c\u7684\u65f6\u5019\uff0c\u518d\u53bb\u521d\u59cb\u5316\u5bfc\u81f4\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n
    \u5982\u679c\u5b9e\u4f8b\u5360\u7528\u8d44\u6e90\u591a\uff0c\u6309\u7167 fail-fast \u7684\u8bbe\u8ba1\u539f\u5219(\u6709\u95ee\u9898\u53ca\u65e9\u66b4\u9732)\uff0c\u90a3\u6211\u4eec\u4e5f\u5e0c\u671b\u5728\u7a0b\u5e8f\u542f\u52a8\u65f6\u5c31\u5c06\u8fd9\u4e2a\u5b9e\u4f8b\u521d\u59cb\u5316\u597d\u3002\u5982\u679c\u8d44\u6e90\u4e0d\u591f\uff0c\u6211\u4eec\u53ef\u4ee5\u7acb\u5373\u53bb\u4fee\u590d\u3002<\/p>\n
    \u7efc\u5408\u6765\u8bf4\uff0c\u997f\u6c49\u5f0f\u8fd8\u662f\u6bd4\u652f\u6301\u53cc\u91cd\u68c0\u6d4b\u7684\u61d2\u6c49\u5f0f\u66f4\u63a8\u8350\u4f7f\u7528\u3002<\/p>\n
    \u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u5de5\u5382\u6a21\u5f0f\u5206\u4e3a\u4e09\u79cd\u66f4\u52a0\u7ec6\u5206\u7684\u7c7b\u578b:\u7b80\u5355\u5de5\u5382\u3001\u5de5\u5382\u65b9\u6cd5\u548c\u62bd\u8c61\u5de5\u5382\u3002\n\n\u5728\u8fd9\u4e09\u79cd\u7ec6\u5206\u7684\u5de5\u5382\u6a21\u5f0f\u4e2d\uff0c\u7b80\u5355\u5de5\u5382\u3001\u5de5\u5382\u65b9\u6cd5\u539f\u7406\u6bd4\u8f83\u7b80\u5355\uff0c\u5728\u5b9e\u9645\u7684\u9879\u76ee\u4e2d\u4e5f\u6bd4\u8f83\u5e38\u7528\u3002\n\n\u800c\u62bd\u8c61\u5de5\u5382\u7684\u539f\u7406\u7a0d\u5fae\u590d\u6742\u70b9\uff0c\u5728\u5b9e\u9645\u7684\u9879\u76ee\u4e2d\u76f8\u5bf9\u4e5f\u4e0d\u5e38\u7528\u3002\n\n<\/code><\/pre>\n
    \u4e8c\u3001\u7b80\u5355\u5de5\u5382(Simple Factory)<\/h2>\n
    \u5b9a\u4e49<\/h3>\n
    \u5b9a\u4e49\u4e00\u4e2a\u5de5\u5382\u7c7b\uff0c\u5b83\u53ef\u4ee5\u6839\u636e\u53c2\u6570\u7684\u4e0d\u540c\u8fd4\u56de\u4e0d\u540c\u7c7b\u7684\u5b9e\u4f8b\uff0c\u88ab\u521b\u5efa\u7684\u5b9e\u4f8b\u901a\u5e38\u90fd\u5177\u6709\u5171\u540c\u7684\u7236\u7c7b\u3002<\/p>\n
    \u4f7f\u7528\u573a\u666f<\/h3>\n
    \u4f8b\u5982\uff0c\u4e00\u4e2a\u7269\u6d41\u516c\u53f8\uff0c\u6709\u9646\u8fd0\u3001\u6d77\u8fd0\u548c\u7a7a\u8fd0\u51e0\u79cd\u8fd0\u8f93\u6a21\u5f0f\uff0c\u8fd9\u91cc\u7684\u5b9e\u73b0\u5982\u4e0b\uff1a\u58f0\u660e\u4e00\u4e2aTransport\u63a5\u53e3\uff0c\u5b83\u6709\u4e00\u4e2a\u53ebdeliver\u4ea4\u4ed8\u7684\u65b9\u6cd5\uff0c\u5361\u8f66Truck\u7c7b\u548c\u8f6e\u8239Ship\u7c7b\u90fd\u5b9e\u73b0\u8be5\u63a5\u53e3\uff0c\u6bcf\u4e2a\u7c7b\u90fd\u5c06\u4ee5\u4e0d\u540c\u7684\u65b9\u5f0f\u5b9e\u73b0\u8be5\u65b9\u6cd5\uff0c\u5361\u8f66\u8d70\u9646\u8def\u4ea4\u4ed8\u8d27\u7269\uff0c \u8f6e\u8239\u8d70\u6d77\u8def\u4ea4\u4ed8\u8d27\u7269\u3002\u5de5\u5382\u7c7b\u53ef\u4ee5\u6839\u636e\u4f20\u8fdb\u7684\u53c2\u6570\u5b9e\u4f8b\u5316\u76f8\u5e94\u7684\u7c7b\uff0c\u8c03\u7528deliver\u65b9\u6cd5\u90fd\u80fd\u5b8c\u6210\u8fd0\u8f93\u7684\u4efb\u52a1\u3002<\/p>\n
    \u5b9e\u73b0<\/h3>\n
    package factory\n\ntype Trans\u00adporter interface {\n    Deliv\u00ader()\n}\n\ntype Truck struct {}\n\nfunc (J Truck) Deliv\u00ader() {\n    fmt.Println("this is Truck Deliv\u00ader")\n}\n\ntype Ship struct {}\n\n\nfunc (Y Ship) Deliv\u00ader() {\n    fmt.Println("this is Ship Deliv\u00ader")\n}\n\n\nfunc NewTrans\u00adport(t string) Trans\u00adporter {\n    switch t {\n    case "truck":\n        return Truck{}\n    case "ship":\n        return Ship{}\n    }\n    return nil\n}<\/code><\/pre>\n
    \u5c3d\u7ba1\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u7684\u4ee3\u7801\u5b9e\u73b0\u4e2d\uff0c\u6709\u591a\u5904 if \u5206\u652f\u5224\u65ad\u903b\u8f91\uff0c\u8fdd\u80cc\u5f00\u95ed\u539f\u5219\uff0c\u4f46\u6743\u8861\u6269\u5c55\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u8fd9\u6837\u7684\u4ee3\u7801\u5b9e\u73b0\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b(\u65e0\u9700\u9891\u7e41\u7684\u6dfb\u52a0\u7c7b\uff0c\u4e5f\u6ca1\u6709\u592a\u591a\u7684\u7c7b)\u662f\u6ca1\u6709\u95ee\u9898\u7684\u3002<\/p>\n
    \u4e09\u3001\u5de5\u5382\u65b9\u6cd5(Factory Method)<\/h2>\n
    \u5b9a\u4e49<\/h3>\n
    \u7b80\u5355\u5de5\u5382\u4f7f\u7528\u552f\u4e00\u7684\u4e00\u4e2a\u5de5\u5382\u63a7\u5236\u7740\u6240\u6709\u4ea7\u54c1\u7684\u5b9e\u4f8b\u5316\uff0c\u800c \u5de5\u5382\u65b9\u6cd5 \u4e2d\u5305\u62ec\u4e00\u4e2a\u5de5\u5382\u63a5\u53e3\uff0c\u6211\u4eec\u53ef\u4ee5\u52a8\u6001\u7684\u5b9e\u73b0\u591a\u79cd\u5de5\u5382\uff0c\u8fbe\u5230\u6269\u5c55\u7684\u76ee\u7684\u3002
    \u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u6bd4\u8d77\u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u66f4\u52a0\u7b26\u5408\u5f00\u95ed\u539f\u5219\uff0c\u5f53\u6211\u4eec\u65b0\u589e\u4e00\u79cd\u7c7b \u7684\u65f6\u5019\uff0c\u53ea\u9700\u8981\u65b0\u589e\u4e00\u4e2a\u5b9e\u73b0\u4e86\u63a5\u53e3\u7684\u7c7b\u5373\u53ef\u3002<\/p>\n
    \u4f7f\u7528\u573a\u666f<\/h3>\n
    \u5f53\u5bf9\u8c61\u7684\u521b\u5efa\u903b\u8f91\u6bd4\u8f83\u590d\u6742\uff0c\u4e0d\u53ea\u662f\u7b80\u5355\u7684 new \u4e00\u4e0b\u5c31\u53ef\u4ee5\uff0c\u800c\u662f\u8981\u7ec4\u5408\u5176\u4ed6\u7c7b\u5bf9\u8c61\uff0c\u505a\u5404\u79cd\u521d\u59cb\u5316\u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u6211\u4eec\u63a8\u8350\u4f7f\u7528\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\uff0c\u5c06\u590d\u6742\u7684\u521b\u5efa\u903b\u8f91\u62c6\u5206\u5230\u591a\u4e2a\u5de5\u5382\u7c7b\u4e2d\uff0c\u8ba9\u6bcf\u4e2a\u5de5\u5382\u7c7b\u90fd\u4e0d\u81f3\u4e8e\u8fc7\u4e8e\u590d\u6742\u3002<\/p>\n
    \u5b9e\u73b0<\/h3>\n
    \u8fd8\u662f\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u5982\u679c\u516c\u53f8\u5f00\u4e86\u5206\u516c\u53f8\uff0c\u5728\u5317\u4eac\u548c\u5e7f\u5dde\u90fd\u6709\u4e86\u7269\u6d41\u57fa\u5730\uff0c\u8fd0\u8f93\u9014\u5f84\u7684\u5730\u65b9\u80af\u5b9a\u4f1a\u4e0d\u4e00\u6837\uff0c\u53c8\u5c06\u5982\u4f55\u5b9e\u73b0\u5462\uff1f<\/p>\n
    package factory\n\n\/\/\u5de5\u5382\u63a5\u53e3\ntype CompanyInterface interface {\n    Generate(t string) Trans\u00adporter\n}\n\n\/\/\u4ea7\u54c1\u63a5\u53e3\ntype Trans\u00adporter interface {\n    Deliv\u00ader()\n}\n\n\/\/\u5177\u4f53\u5de5\u5382\u7c7b\ntype BjCompany struct {}\n\ntype GZCompany  struct {}\n\n\n\/\/ \u5de5\u5382\u65b9\u6cd5\nfunc (bj BjCompany) Generate(t string) Trans\u00adporter {\n    switch t {\n    case "truck":\n        return Truck{}\n    case "ship":\n        return Ship{}\n    }\n    return nil\n}\n\nfunc (gz GZCompany) Generate(t string) Trans\u00adporter {\n    switch t {\n    case "truck":\n        return Truck{}\n    case "ship":\n        return Ship{}\n    }\n    return nil\n}\n\n\/\/\u5177\u4f53\u4ea7\u54c1\u53ca\u65b9\u6cd5\u5b9e\u73b0\ntype BJTruck struct {}\n\nfunc (b BJTruck) Deliver() {\n    fmt.Println("this is Truck Deliv\u00ader")\n}\n\ntype BJShip struct {}\n\nfunc (b BJShip) Deliver() {\n    fmt.Println("this is Ship Deliv\u00ader")\n}\n\ntype GZTruck struct {}\n\nfunc (g GZTruck) Deliver() {\n    fmt.Println("this is Truck Deliv\u00ader")\n}\n\ntype GZShip struct {}\n\nfunc (g GZShip) Deliver() {\n    fmt.Println("this is Ship Deliver")\n}<\/code><\/pre>\n
    \u7b80\u5355\u5de5\u5382\u6a21\u5f0f\u548c\u5de5\u5382\u65b9\u6cd5\u6a21\u5f0f\u770b\u8d77\u6765\u5f88\u76f8\u4f3c\uff0c\u672c\u8d28\u533a\u522b\u5c31\u5728\u4e8e\uff0c\u5982\u679c\u5728\u7269\u6d41\u516c\u53f8\u4e2d\u76f4\u63a5\u521b\u5efa\u8fd0\u8f93\u4ea7\u54c1\uff0c\u662f\u4f9d\u8d56\u5177\u4f53\u67d0\u4e2a\u5206\u516c\u53f8\u7684\uff0c\u6269\u5c55\u6027\u3001\u5f39\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u90fd\u8f83\u5dee\uff0c\u800c\u5982\u679c\u5c06\u5b9e\u4f8b\u5316\u7684\u4ee3\u7801\u62bd\u8c61\u51fa\u6765\uff0c\u4e0d\u518d\u4f9d\u8d56\u5177\u4f53\u7684\u516c\u53f8\uff0c\u800c\u662f\u4f9d\u8d56\u4e8e\u62bd\u8c61\u7684\u516c\u53f8\u63a5\u53e3\uff0c\u4f7f\u5bf9\u8c61\u7684\u5b9e\u73b0\u4ece\u4f7f\u7528\u4e2d\u89e3\u8026\uff0c\u8fd9\u6837\u5c31\u62e5\u6709\u5f88\u5f3a\u7684\u6269\u5c55\u6027\u4e86\uff0c\u4e5f\u53ef\u4ee5\u79f0\u4e3a \u300e\u4f9d\u8d56\u5012\u7f6e\u539f\u5219\u300f<\/p>\n
    \u56db\u3001\u62bd\u8c61\u5de5\u5382(Abstract Factory)<\/h2>\n
    \u5b9a\u4e49<\/h3>\n
    \u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u5c31\u662f\u6211\u4eec\u7684\u62bd\u8c61\u5de5\u5382\u7ea6\u5b9a\u4e86\u53ef\u4ee5\u751f\u4ea7\u7684\u4ea7\u54c1\uff0c\u8fd9\u4e9b\u4ea7\u54c1\u90fd\u5305\u542b\u591a\u79cd\u89c4\u683c\uff0c\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u4ece\u62bd\u8c61\u5de5\u5382\u4e3a\u6bcf\u4e00\u79cd\u89c4\u683c\u6d3e\u751f\u51fa\u5177\u4f53\u5de5\u5382\u7c7b\uff0c\u7136\u540e\u8ba9\u8fd9\u4e9b\u5177\u4f53\u5de5\u5382\u7c7b\u751f\u4ea7\u5177\u4f53\u7684\u4ea7\u54c1\u3002
    \u6211\u4eec\u53ef\u4ee5\u8ba9\u4e00\u4e2a\u5de5\u5382\u8d1f\u8d23\u521b\u5efa\u591a\u4e2a\u4e0d\u540c\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u53ea\u521b\u5efa\u4e00\u79cd \u5bf9\u8c61\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u6709\u6548\u5730\u51cf\u5c11\u5de5\u5382\u7c7b\u7684\u4e2a\u6570\u3002<\/p>\n
    \u4f7f\u7528\u573a\u666f<\/h3>\n
    \u9ed8\u8ba4\u7684\u89c4\u5219\u914d\u7f6e\u89e3\u6790\u5668\u7c7b\u53ea\u4f1a\u6839\u636e\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f(Json\u3001Xml\u3001Yaml……)\u6765\u5206\u7c7b\uff0c\u4f46\u662f\uff0c\u5982\u679c\u7c7b\u6709\u4e24\u79cd\u5206\u7c7b\u65b9 \u5f0f\uff0c\u6bd4\u5982\uff0c\u6211\u4eec\u65e2\u53ef\u4ee5\u6309\u7167\u914d\u7f6e\u6587\u4ef6\u683c\u5f0f\u6765\u5206\u7c7b\uff0c\u4e5f\u53ef\u4ee5\u6309\u7167\u89e3\u6790\u7684\u5bf9\u8c61(Rule \u89c4\u5219\u914d\u7f6e\u8fd8\u662f System \u7cfb\u7edf\u914d\u7f6e)\u6765\u5206\u7c7b\uff0c\u90a3\u5c31\u4f1a\u8fd9\u67098 \u4e2a parser \u7c7b\u3002<\/p>\n
    \u9488\u5bf9\u8fd9\u79cd\u7279\u6b8a\u7684\u573a\u666f\uff0c\u5982\u679c\u8fd8\u662f\u7ee7\u7eed\u7528\u5de5\u5382\u65b9\u6cd5\u6765\u5b9e\u73b0\u7684\u8bdd\uff0c\u6211\u4eec\u8981\u9488\u5bf9\u6bcf\u4e2a parser \u90fd\u7f16\u5199\u4e00\u4e2a\u5de5\u5382\u7c7b\uff0c\u4e5f\u5c31\u662f\u8981\u7f16\u5199 8 \u4e2a\u5de5\u5382\u7c7b\u3002<\/p>\n
    \u62bd\u8c61\u5de5\u5382\u5c31\u662f\u9488\u5bf9\u8fd9\u79cd\u975e\u5e38\u7279\u6b8a\u7684\u573a\u666f\u800c\u8bde\u751f\u7684\u3002<\/p>\n
    package factory\n\n\/\/ IRuleConfigParser IRuleConfigParser\ntype IRuleConfigParser interface {\n    Parse(data []byte)\n}\n\n\/\/ jsonRuleConfigParser jsonRuleConfigParser\ntype jsonRuleConfigParser struct{}\n\n\/\/ Parse Parse\nfunc (j jsonRuleConfigParser) Parse(data []byte) {\n    panic("implement me")\n}\n\n\/\/ ISystemConfigParser ISystemConfigParser\ntype ISystemConfigParser interface {\n    ParseSystem(data []byte)\n}\n\n\/\/ jsonSystemConfigParser jsonSystemConfigParser\ntype jsonSystemConfigParser struct{}\n\n\/\/ Parse Parse\nfunc (j jsonSystemConfigParser) ParseSystem(data []byte) {\n    panic("implement me")\n}\n\n\/\/ IConfigParserFactory \u5de5\u5382\u65b9\u6cd5\u63a5\u53e3\ntype IConfigParserFactory interface {\n    CreateRuleParser() IRuleConfigParser\n    CreateSystemParser() ISystemConfigParser\n}\n\ntype jsonConfigParserFactory struct{}\n\nfunc (j jsonConfigParserFactory) CreateRuleParser() IRuleConfigParser {\n    return jsonRuleConfigParser{}\n}\n\nfunc (j jsonConfigParserFactory) CreateSystemParser() ISystemConfigParser {\n    return jsonSystemConfigParser{}\n}<\/code><\/pre>\n
    \u4e94\u3001\u5efa\u9020\u8005\u6a21\u5f0f<\/h2>\n
    \u5b9a\u4e49<\/h3>\n
    \u5efa\u9020\u8005\u6a21\u5f0f\u662f\u7528\u6765\u521b\u5efa\u4e00\u79cd\u7c7b\u578b\u7684\u590d\u6742\u5bf9\u8c61\uff0c\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684\u53ef\u9009\u53c2\u6570\uff0c\u201c\u5b9a\u5236\u5316\u201d\u5730\u521b\u5efa\u4e0d\u540c\u7684\u5bf9\u8c61\u3002<\/p>\n
    \u5de5\u5382\u6a21\u5f0f\u662f\u7528\u6765\u521b\u5efa\u4e0d\u540c\u4f46\u662f\u76f8\u5173\u7c7b\u578b\u7684\u5bf9\u8c61(\u7ee7\u627f\u540c\u4e00\u7236\u7c7b\u6216\u8005\u63a5\u53e3\u7684\u4e00\u7ec4\u5b50\u7c7b)\uff0c\u7531\u7ed9\u5b9a\u7684\u53c2\u6570\u6765\u51b3\u5b9a\u521b\u5efa\u54ea\u79cd\u7c7b\u578b\u7684\u5bf9\u8c61\u3002<\/p>\n
    \u4f7f\u7528\u573a\u666f<\/h3>\n