{"id":10006082,"date":"2022-08-02T00:47:44","date_gmt":"2022-08-01T16:47:44","guid":{"rendered":"https:\/\/ityet.com\/?p=10006082"},"modified":"2022-08-02T00:47:44","modified_gmt":"2022-08-01T16:47:44","slug":"%e7%94%b5%e5%95%86%e5%ba%93%e5%ad%98%e7%b3%bb%e7%bb%9f%e7%9a%84%e9%98%b2%e8%b6%85%e5%8d%96%e5%92%8c%e9%ab%98%e5%b9%b6%e5%8f%91%e6%89%a3%e5%87%8f%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006082","title":{"rendered":"\u7535\u5546\u5e93\u5b58\u7cfb\u7edf\u7684\u9632\u8d85\u5356\u548c\u9ad8\u5e76\u53d1\u6263\u51cf\u65b9\u6848"},"content":{"rendered":"

\u5982\u679c\u4f60\u8981\u5f00\u53d1\u4e00\u4e2a\u7535\u5546\u5e93\u5b58\u7cfb\u7edf\uff0c\u6700\u62c5\u5fc3\u7684\u662f\u4ec0\u4e48\uff1f\u95ed\u4e0a\u773c\u775b\u60f3\u4e0b\uff0c\u5f53\u7136\u662f\u9ad8\u5e76\u53d1\u548c\u9632\u8d85\u5356\u4e86\uff01\u672c\u6587\u7ed9\u51fa\u4e00\u4e2a\u7edf\u7b79\u8003\u8651\u5982\u4f55\u9ad8\u5e76\u53d1\u548c\u9632\u8d85\u5356\u6570\u636e\u51c6\u786e\u6027\u7684\u65b9\u6848\u3002\u8bfb\u8005\u53ef\u4ee5\u76f4\u63a5\u501f\u9274\u672c\u8bbe\u8ba1\uff0c\u6216\u5728\u6b64\u57fa\u7840\u4e0a\u505a\u51fa\u66f4\u5207\u5408\u4f7f\u7528\u573a\u666f\u7684\u8bbe\u8ba1\u3002<\/p>\n

\u80cc\u666f<\/p>\n

\u5728\u4eca\u5e74\u7684\u654f\u6377\u56e2\u961f\u5efa\u8bbe\u4e2d\uff0c\u6211\u901a\u8fc7Suite\u6267\u884c\u5668\u5b9e\u73b0\u4e86\u4e00\u952e\u81ea\u52a8\u5316\u5355\u5143\u6d4b\u8bd5\u3002Juint\u9664\u4e86Suite\u6267\u884c\u5668\u8fd8\u6709\u54ea\u4e9b\u6267\u884c\u5668\u5462\uff1f\u7531\u6b64\u6211\u7684Runner\u63a2\u7d22\u4e4b\u65c5\u5f00\u59cb\u4e86\uff01\u4e0b\u9762\u7528\u7535\u5546\u5e93\u5b58\u4e3a\u793a\u4f8b\uff0c\u6765\u8bf4\u660e\u5982\u4f55\u9ad8\u5e76\u53d1\u6263\u51cf\u5e93\u5b58\uff0c\u539f\u7406\u540c\u6837\u9002\u7528\u4e8e\u5176\u4ed6\u9700\u8981\u5e76\u53d1\u5199\u548c\u6570\u636e\u4e00\u81f4\u6027\u7684\u573a\u666f\u30021.1 \u5e93\u5b58\u6570\u91cf\u6a21\u578b\u793a\u4f8b\u4e3a\u4e86\u63cf\u8ff0\u65b9\u4fbf\uff0c\u4e0b\u9762\u4f7f\u7528\u7b80\u5316\u7684\u5e93\u5b58\u6570\u91cf\u6a21\u578b\uff0c\u771f\u5b9e\u573a\u666f\u4e2d\u5e93\u5b58\u6570\u636e\u9879\u4f1a\u6bd4\u4ee5\u4e0b\u793a\u4f8b\u591a\u5f88\u591a\uff0c\u4f46\u5df2\u7ecf\u591f\u8bf4\u660e\u539f\u7406\u3002\u5982\u4e0b\u8868\uff0c\u5e93\u5b58\u6570\u91cf\u8868(stockNum)\u5305\u542b\u5546\u54c1\u6807\u8bc6\u548c\u5e93\u5b58\u6570\u91cf\u4e24\u4e2a\u5b57\u6bb5\uff0c\u5e93\u5b58\u6570\u91cf\u4ee3\u8868\u6709\u591a\u5c11\u8d27\u53ef\u4ee5\u5356\u3002<\/p>\n

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

\u4f20\u7edf\u901a\u8fc7\u6570\u636e\u5e93\u4fdd\u8bc1\u4e0d\u8d85\u5356\u5e93\u5b58\u7ba1\u7406\u7684\u4f20\u7edf\u65b9\u6848\u4e3a\u4e86\u4fdd\u8bc1\u4e0d\u8d85\u5356\uff0c\u90fd\u662f\u4f7f\u7528\u6570\u636e\u5e93\u7684\u4e8b\u52a1\u6765\u4fdd\u8bc1\u7684\uff1a\u901a\u8fc7Sql\u5224\u65ad\u5269\u4f59\u7684\u5e93\u5b58\u6570\u591f\u7528\uff0c\u591a\u4e2a\u5e76\u53d1\u6267\u884cupdate\u8bed\u53e5\u53ea\u6709\u4e00\u4e2a\u80fd\u6267\u884c\u6210\u529f\uff1b\u4e3a\u4e86\u4fdd\u8bc1\u6263\u51cf\u4e0d\u91cd\u590d\uff0c\u4f1a\u914d\u5408\u4e00\u4e2a\u9632\u91cd\u8868\u6765\u9632\u6b62\u91cd\u590d\u7684\u63d0\u4ea4\uff0c\u505a\u5230\u5e42\u7b49\u6027\uff0c\u9632\u91cd\u8868\u793a\u4f8b\uff08antiRe\uff09\u8bbe\u8ba1\u5982\u4e0b\uff1a<\/p>\n

\"\u56fe\u7247\"
\u6bd4\u5982\u4e00\u4e2a\u4e0b\u5355\u8fc7\u7a0b\u7684\u6263\u51cf\u8fc7\u7a0b\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

\u4e8b\u52a1\u5f00\u59cb\nInsert into antiRe(code) value (\u2018\u8ba2\u5355\u53f7+Sku\u2019)\nUpdate stockNum set num=num-\u4e0b\u5355\u6570\u91cf where skuId=\u5546\u54c1ID and num-\u4e0b\u5355\u6570\u91cf>0\n\u4e8b\u52a1\u7ed3\u675f<\/code><\/pre>\n
\u9762\u4e34\u7cfb\u7edf\u6d41\u91cf\u8d8a\u6765\u8d8a\u5927\uff0c\u6570\u636e\u5e93\u7684\u6027\u80fd\u74f6\u9888\u5c31\u4f1a\u66b4\u9732\u51fa\u6765\uff1a\u5c31\u7b97\u5206\u5e93\u5206\u8868\u4e5f\u662f\u6ca1\u7528\u7684\uff0c\u4fc3\u9500\u7684\u65f6\u5019\u9ad8\u5e76\u53d1\u90fd\u662f\u9488\u5bf9\u5c11\u91cf\u5546\u54c1\u7684\uff0c\u6700\u7ec8\u5e76\u53d1\u6d41\u91cf\u4f1a\u6253\u5411\u5c11\u6570\u8868\uff0c\u53ea\u80fd\u53bb\u63d0\u5347\u5355\u5206\u7247\u7684\u6297\u91cf\u80fd\u529b\uff0c\u6240\u4ee5\u63a5\u4e0b\u6765\u8bbe\u8ba1\u4e00\u79cd\u4f7f\u7528Redis\u7f13\u5b58\u505a\u5e93\u5b58\u6263\u51cf\u7684\u65b9\u6848\u3002<\/p>\n
Redis\u7f13\u5b58\u505a\u5e93\u5b58\u6263\u51cf\u7684\u65b9\u6848<\/p>\n
2.1\u00a0\u7efc\u5408\u4f7f\u7528\u6570\u636e\u5e93\u548cRedis\u6ee1\u8db3\u9ad8\u5e76\u53d1\u6263\u51cf\u7684\u539f\u7406<\/p>\n
\u6263\u51cf\u5e93\u5b58\u5176\u5b9e\u5305\u542b\u4e24\u4e2a\u8fc7\u7a0b\uff1a\u7b2c\u4e00\u6b65\u662f\u8d85\u5356\u6821\u9a8c\uff0c\u7b2c\u4e8c\u6b65\u662f\u6263\u51cf\u6570\u636e\u7684\u6301\u4e45\u5316\uff1b\u5728\u4f20\u7edf\u6570\u636e\u5e93\u6263\u51cf\u4e2d\uff0c\u4e24\u6b65\u662f\u4e00\u8d77\u5b8c\u6210\u7684\u3002\u6297\u5199\u7684\u5b9e\u73b0\u539f\u7406\u5176\u5b9e\u662f\u5de7\u5999\u7684\u5229\u7528\u4e86\u5206\u79bb\u7684\u601d\u60f3\uff0c\u5206\u79bb\u5f00\u9632\u8d85\u5356\u548c\u6570\u636e\u6301\u4e45\u5316\uff1b\u9996\u5148\u9632\u8d85\u5356\u662f\u7531Redis\u6765\u5b8c\u6210\u7684\uff1b\u901a\u8fc7Redis\u9632\u8d85\u5356\u540e\uff0c\u53ea\u8981\u843d\u5e93\u5c31\u53ef\u4ee5\uff1b\u843d\u5e93\u901a\u8fc7\u4efb\u52a1\u5f15\u64ce\uff0c\u4e1a\u52a1\u6570\u636e\u5e93\u4f7f\u7528\u5546\u54c1\u5206\u5e93\u5206\u8868\uff0c\u4efb\u52a1\u5f15\u64ce\u4efb\u52a1\u901a\u8fc7\u5355\u636e\u53f7\u5206\u5e93\u5206\u8868\uff0c\u70ed\u70b9\u5546\u54c1\u7684\u843d\u5e93\u4f1a\u88ab\u72b6\u6001\u673a\u5206\u6563\u5f00\uff0c\u6d88\u9664\u70ed\u70b9\u3002\u6574\u4f53\u67b6\u6784\u5982\u4e0b\uff1a<\/p>\n
\"\u56fe\u7247\"<\/p>\n
\u7b2c\u4e00\u5173\u89e3\u51b3\u8d85\u5356\u68c0\u9a8c\uff1a\u53ef\u4ee5\u628a\u6570\u636e\u653e\u5165Redis\u4e2d\uff0c\u6bcf\u6b21\u6263\u51cf\u5e93\u5b58\uff0c\u90fd\u5bf9Redis\u4e2d\u7684\u6570\u636e\u8fdb\u884cincryby \u6263\u51cf\uff0c\u5982\u679c\u8fd4\u56de\u7684\u6570\u91cf\u5927\u4e8e0\uff0c\u8bf4\u660e\u5e93\u5b58\u591f\uff0c\u56e0\u4e3aRedis\u662f\u5355\u7ebf\u7a0b\uff0c\u53ef\u4ee5\u4fe1\u4efb\u8fd4\u56de\u7ed3\u679c\u3002\u7b2c\u4e00\u5173\u662fRedis\uff0c\u53ef\u4ee5\u6297\u9ad8\u5e76\u53d1\uff0c\u6027\u80fdOk\u3002\u8d85\u5356\u6821\u9a8c\u901a\u8fc7\u540e\uff0c\u8fdb\u5165\u7b2c\u4e8c\u5173\u3002<\/p>\n
\u7b2c\u4e8c\u5173\u89e3\u51b3\u5e93\u5b58\u6263\u51cf\uff1a\u7ecf\u8fc7\u7b2c\u4e00\u5173\u540e\uff0c\u7b2c\u4e8c\u5173\u4e0d\u9700\u8981\u518d\u5224\u65ad\u6570\u91cf\u662f\u5426\u8db3\u591f\uff0c\u53ea\u9700\u8981\u50bb\u74dc\u6263\u51cf\u5e93\u5b58\u5c31\u884c\uff0c\u5bf9\u6570\u636e\u5e93\u6267\u884c\u5982\u4e0b\u8bed\u53e5,\u5f53\u7136\u8fd8\u662f\u9700\u8981\u5904\u7406\u9632\u91cd\u5e42\u7b49\u7684\uff0c\u4e0d\u9700\u8981\u5224\u65ad\u6570\u91cf\u662f\u5426\u5927\u4e8e0\u4e86\uff0c\u6263\u51cfSQL\u53ea\u8981\u5982\u4e0b\u5199\u5c31\u53ef\u4ee5\u3002<\/p>\n
\u4e8b\u52a1\u5f00\u59cb\nInsert into antiRe(code) value (\u2018\u8ba2\u5355\u53f7+Sku\u2019)\nUpdate stockNum set num=num-\u4e0b\u5355\u6570\u91cf where skuId=\u5546\u54c1ID\n\u4e8b\u52a1\u7ed3\u675f<\/code><\/pre>\n
\u8981\u70b9\uff1a\u6700\u7ec8\u8fd8\u662f\u8981\u4f7f\u7528\u6570\u636e\u5e93\uff0c\u70ed\u70b9\u600e\u4e48\u89e3\u51b3\u7684\u5462\uff1f\u4efb\u52a1\u5e93\u4f7f\u7528\u8ba2\u5355\u53f7\u8fdb\u884c\u5206\u5e93\u5206\u8868\uff0c\u8fd9\u6837\u9488\u5bf9\u540c\u4e00\u4e2a\u5546\u54c1\u7684\u4e0d\u540c\u8ba2\u5355\u4f1a\u6563\u5217\u5728\u4efb\u52a1\u5e93\u7684\u4e0d\u540c\u5e93\u5b58\uff0c\u867d\u7136\u8fd8\u662f\u6570\u636e\u5e93\u6297\u91cf\uff0c\u4f46\u5df2\u7ecf\u6d88\u9664\u4e86\u6570\u636e\u5e93\u70ed\u70b9\u3002<\/p>\n
\u6574\u4f53\u4ea4\u4e92\u5e8f\u5217\u56fe\u5982\u4e0b\uff1a<\/p>\n
\"\u56fe\u7247\"<\/p>\n
2.2 \u70ed\u70b9\u9632\u5237
\u4f46Redis\u4e5f\u662f\u6709\u74f6\u9888\u7684\uff0c\u5982\u679c\u51fa\u73b0\u8fc7\u70edSKU\u5c31\u4f1a\u6253\u5411Redis\u5355\u7247\uff0c\u4f1a\u9020\u6210\u5355\u7247\u6027\u80fd\u6296\u52a8\u3002\u5e93\u5b58\u9632\u5237\u6709\u4e2a\u524d\u63d0\u662f\u4e0d\u80fd\u5361\u5355\u7684\u3002\u53ef\u4ee5\u5b9a\u5236\u8bbe\u8ba1JVM\u5185\u6beb\u79d2\u7ea7\u65f6\u95f4\u7a97\u7684\u9650\u6d41\uff0c\u9650\u6d41\u7684\u76ee\u7684\u662f\u4fdd\u62a4Redis,\u5c3d\u53ef\u80fd\u7684\u4e0d\u9650\u6d41\u3002\u9650\u6d41\u7684\u6781\u7aef\u60c5\u51b5\u5c31\u662f\u5546\u54c1\u672c\u6765\u5e94\u8be5\u5728\u4e00\u79d2\u5185\u5356\u5b8c\uff0c\u4f46\u5b9e\u9645\u82b1\u4e86\u4e24\u79d2\uff0c\u6b63\u5e38\u5e76\u4e0d\u4f1a\u53d1\u751f\u5ef6\u8fdf\u9500\u552e\uff0c\u4e4b\u6240\u4ee5\u9009\u62e9JVM\u662f\u56e0\u4e3a\u5982\u679c\u91c7\u7528\u8fdc\u7aef\u96c6\u4e2d\u7f13\u5b58\u9650\u6d41\uff0c\u8fd8\u672a\u6765\u5f97\u53ca\u6536\u96c6\u6570\u636e\u5c31\u5df2\u7ecf\u628aRedis\u6253\u6b7b\u3002<\/p>\n
\u5b9e\u73b0\u65b9\u6848\u53ef\u4ee5\u901a\u8fc7guava\u4e4b\u7c7b\u7684\u6846\u67b6\uff0c\u6bcf10ms\u4e00\u4e2a\u65f6\u95f4\u7a97\uff0c\u6bcf\u4e2a\u65f6\u95f4\u7a97\u8fdb\u884c\u8ba1\u6570\uff0c\u5355\u53f0\u670d\u52a1\u5668\u8d85\u8fc7\u8ba1\u6570\u8fdb\u884c\u9650\u6d41\u3002\u6bd4\u598210ms\u8d85\u8fc72\u4e2a\u5c31\u9650\u6d41\uff0c\u90a3\u4e48\u4e00\u79d2\u4e00\u53f0\u670d\u52a1\u5668\u5c31\u662f200\u4e2a\uff0c50\u53f0\u670d\u52a1\u5668\u4e00\u79d2\u5c31\u53ef\u4ee5\u5356\u51fa1\u4e07\u4e2a\u8d27\uff0c\u81ea\u5df1\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u9608\u503c\u5c31\u53ef\u4ee5\u3002<\/p>\n
\"\u56fe\u7247\"<\/p>\n
2.3 Redis\u6263\u51cf\u539f\u7406<\/p>\n
Redis\u7684incrby \u547d\u4ee4\u53ef\u4ee5\u7528\u505a\u5e93\u5b58\u6263\u51cf\uff0c\u6263\u51cf\u9879\u53ef\u80fd\u591a\u4e2a\uff0c\u4f7f\u7528Hash\u7ed3\u6784\u7684hincrby\u547d\u4ee4\uff0c\u5148\u7528Reids\u539f\u751f\u547d\u4ee4\u6a21\u62df\u6574\u4e2a\u8fc7\u7a0b\uff0c\u4e3a\u4e86\u7b80\u5316\u6a21\u578b\u4e0b\u9762\u5c06\u6f14\u793a\u4e00\u4e2a\u6570\u636e\u9879\u7684\u64cd\u4f5c\uff0c\u591a\u4e2a\u6570\u636e\u9879\u539f\u7406\u5b8c\u5168\u7b49\u540c\u3002<\/p>\n
127.0.0.1:6379> hset iphone inStock 1 #\u8bbe\u7f6e\u82f9\u679c\u624b\u673a\u6709\u4e00\u4e2a\u53ef\u552e\u5e93\u5b58\n(integer) 1\n127.0.0.1:6379> hget iphone inStock   #\u67e5\u770b\u82f9\u679c\u624b\u673a\u53ef\u552e\u5e93\u5b58\u4e3a1\n"1"\n127.0.0.1:6379> hincrby iphone inStock -1 #\u5356\u51fa\u6263\u51cf\u4e00\u4e2a\uff0c\u8fd4\u56de\u5269\u4f590\uff0c\u4e0b\u5355\u6210\u529f\n(integer) 0\n127.0.0.1:6379> hget iphone inStock #\u9a8c\u8bc1\u5269\u4f590\n"0"\n127.0.0.1:6379> hincrby iphone inStock -1 #\u5e94\u7528\u5e76\u53d1\u8d85\u5356\u4f46Redis\u5355\u7ebf\u7a0b\u8fd4\u56de\u5269\u4f59-1\uff0c\u4e0b\u5355\u5931\u8d25\n(integer) -1\n127.0.0.1:6379> hincrby iphone inStock 1 #\u8bc6\u522b-1\uff0c\u56de\u6eda\u5e93\u5b58\u52a0\u4e00\uff0c\u5269\u4f590\n(integer) 0\n127.0.0.1:6379> hget iphone inStock #\u5e93\u5b58\u6062\u590d\u6b63\u5e38\n"0"<\/code><\/pre>\n
2.3.1 \u6263\u51cf\u7684\u5e42\u7b49\u6027\u4fdd\u8bc1<\/p>\n
\u5982\u679c\u5e94\u7528\u8c03\u7528Redis\u6263\u51cf\u540e\uff0c\u4e0d\u77e5\u9053\u662f\u5426\u6210\u529f\uff0c\u53ef\u4ee5\u9488\u5bf9\u6279\u91cf\u6263\u51cf\u547d\u4ee4\u589e\u52a0\u4e00\u4e2a\u9632\u91cd\u7801\uff0c\u5bf9\u9632\u91cd\u7801\u6267\u884csetnx\u547d\u4ee4\uff0c\u5f53\u53d1\u751f\u5f02\u5e38\u7684\u65f6\u5019\uff0c\u53ef\u4ee5\u6839\u636e\u9632\u91cd\u7801\u662f\u5426\u5b58\u5728\u6765\u51b3\u5b9a\u662f\u5426\u6263\u51cf\u6210\u529f\uff0c\u9488\u5bf9\u6279\u91cf\u547d\u540d\u53ef\u4ee5\u4f7f\u7528pipeline\u63d0\u9ad8\u6210\u529f\u7387\u3002<\/p>\n
\/\/ \u521d\u59cb\u5316\u5e93\u5b58\n127.0.0.1:6379> hset iphone inStock 1 #\u8bbe\u7f6e\u82f9\u679c\u624b\u673a\u6709\u4e00\u4e2a\u53ef\u552e\u5e93\u5b58\n(integer) 1\n127.0.0.1:6379> hget iphone inStock   #\u67e5\u770b\u82f9\u679c\u624b\u673a\u53ef\u552e\u5e93\u5b58\u4e3a1\n"1"\n\/\/ \u5e94\u7528\u7ebf\u7a0b\u4e00\u6263\u51cf\u5e93\u5b58\uff0c\u8ba2\u5355\u53f7a100\uff0cjedis\u5f00\u542fpipeline\n127.0.0.1:6379> set a100_iphone \n"1"\n NX EX 10 #\u901a\u8fc7\u8ba2\u5355\u53f7\u548c\u5546\u54c1\u9632\u91cd\u7801\nOK\n127.0.0.1:6379> hincrby iphone inStock -1 #\u5356\u51fa\u6263\u51cf\u4e00\u4e2a\uff0c\u8fd4\u56de\u5269\u4f590\uff0c\u4e0b\u5355\u6210\u529f\n(integer) 0\n\/\/\u7ed3\u675fpipeline\uff0c\u6267\u884c\u7ed3\u679cOK\u548c0\u4f1a\u4e00\u8d77\u8fd4\u56de<\/code><\/pre>\n
\u9632\u6b62\u5e76\u53d1\u6263\u51cf\u540e\u6821\u9a8c\uff1a\u4e3a\u4e86\u9632\u6b62\u5e76\u53d1\u6263\u51cf\uff0c\u9700\u8981\u5bf9Redis\u7684hincrby\u547d\u4ee4\u8fd4\u56de\u503c\u662f\u5426\u4e3a\u8d1f\u6570\uff0c\u6765\u5224\u65ad\u662f\u5426\u53d1\u751f\u9ad8\u5e76\u53d1\u8d85\u5356\uff0c\u5982\u679c\u6263\u51cf\u540e\u7684\u7ed3\u679c\u4e3a\u8d1f\u6570\uff0c\u9700\u8981\u53cd\u5411\u6267\u884chincrby\uff0c\u628a\u6570\u636e\u8fdb\u884c\u52a0\u56de\u3002<\/p>\n
\u5982\u679c\u8c03\u7528\u4e2d\u53d1\u751f\u7f51\u7edc\u6296\u52a8\uff0c\u8c03\u7528Redis\u8d85\u65f6\uff0c\u5e94\u7528\u4e0d\u77e5\u9053\u64cd\u4f5c\u7ed3\u679c\uff0c\u53ef\u4ee5\u901a\u8fc7get\u547d\u4ee4\u6765\u67e5\u770b\u9632\u91cd\u7801\u662f\u5426\u5b58\u5728\u6765\u5224\u65ad\u662f\u5426\u6263\u51cf\u6210\u529f\u3002<\/p>\n
127.0.0.1:6379> get a100_iphone   #\u6263\u51cf\u6210\u529f\n"1"\n127.0.0.1:6379> get a100_iphone   #\u6263\u51cf\u5931\u8d25\n(nil)<\/code><\/pre>\n
2.3.2 \u5355\u5411\u4fdd\u8bc1<\/p>\n
\u5728\u5f88\u591a\u573a\u666f\u4e2d\uff0c\u56e0\u4e3a\u6ca1\u6709\u4f7f\u7528\u4e8b\u52a1\uff0c\u4f60\u5f88\u96be\u505a\u5230\u4e0d\u8d85\u5356\uff0c\u5e76\u4e14\u4e0d\u5c11\u5356\uff0c\u6240\u4ee5\u5728\u6781\u7aef\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u8d85\u5356\uff0c\u4f46\u6709\u53ef\u80fd\u5c11\u5356\u3002\u5f53\u7136\u8fd8\u662f\u5e94\u8be5\u5c3d\u91cf\u4fdd\u8bc1\u6570\u636e\u51c6\u786e\uff0c\u4e0d\u8d85\u5356\uff0c\u4e5f\u4e0d\u5c11\u5356\uff1b\u4e0d\u80fd\u5b8c\u5168\u4fdd\u8bc1\u7684\u524d\u63d0\u4e0b\uff0c\u9009\u62e9\u4e0d\u8d85\u5356\u5355\u5411\u4fdd\u8bc1\uff0c\u4e5f\u8981\u901a\u8fc7\u624b\u6bb5\u6765\u5c3d\u53ef\u80fd\u51cf\u5c11\u5c11\u5356\u7684\u6982\u7387\u3002
\u6bd4\u5982\u5982\u679c\u6263\u51cfRedis\u8fc7\u7a0b\u4e2d\uff0c\u547d\u4ee4\u7f16\u6392\u662f\u5148\u8bbe\u7f6e\u9632\u91cd\u7801\uff0c\u518d\u6267\u884c\u6263\u51cf\u547d\u4ee4\u5931\u8d25\uff1b\u5982\u679c\u6267\u884c\u8fc7\u7a0b\u7f51\u7edc\u6296\u52a8\u53ef\u80fd\u653e\u91cd\u7801\u6210\u529f\uff0c\u800c\u6263\u51cf\u5931\u8d25\uff0c\u91cd\u8bd5\u7684\u65f6\u5019\u5c31\u4f1a\u8ba4\u4e3a\u5df2\u7ecf\u6210\u529f\uff0c\u9020\u6210\u8d85\u5356\uff0c\u6240\u4ee5\u4e0a\u9762\u7684\u547d\u4ee4\u987a\u5e8f\u662f\u9519\u8bef\u7684\uff0c\u6b63\u786e\u5199\u6cd5\u5e94\u8be5\u662f\uff1a<\/p>\n
\u5982\u679c\u662f\u6263\u51cf\u5e93\u5b58\uff0c\u987a\u5e8f\u4e3a\uff1a1.\u6263\u51cf\u5e93\u5b58 2.\u5199\u5165\u653e\u91cd\u7801\u3002
\u5982\u679c\u662f\u56de\u6eda\u5e93\u5b58\uff0c\u987a\u5e8f\u4e3a\uff1a1.\u5199\u5165\u653e\u91cd\u7801 2.\u6263\u51cf\u5e93\u5b58\u3002<\/p>\n
2.4\u00a0\u4e3a\u4ec0\u4e48\u4f7f\u7528Pipeline<\/p>\n
\u5728\u4e0a\u9762\u547d\u4ee4\u4e2d\uff0c\u4f7f\u7528\u4e86Redis\u7684Pipeline\uff0c\u6765\u770b\u4e0bPipeline\u7684\u539f\u7406\u3002<\/p>\n
\u975epipeline\u6a21\u5f0f<\/p>\n
request-->\u6267\u884c-->responserequest-->\u6267\u884c-->response<\/code><\/pre>\n
pipeline\u6a21\u5f0f<\/p>\n
request-->\u6267\u884c server\u5c06\u54cd\u5e94\u7ed3\u679c\u961f\u5217\u5316request-->\u6267\u884c server\u5c06\u54cd\u5e94\u7ed3\u679c\u961f\u5217\u5316-->response-->response<\/code><\/pre>\n
\u4f7f\u7528Pipeline,\u80fd\u5c3d\u91cf\u4fdd\u8bc1\u591a\u6761\u547d\u4ee4\u8fd4\u56de\u7ed3\u679c\u7684\u5b8c\u6574\u6027\uff0c\u8bfb\u8005\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Redis\u4e8b\u52a1\u6765\u4ee3\u66ffPipeline\uff0c\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u4e2a\u4eba\u6709\u8fc7Pipeline\u7684\u6210\u529f\u6297\u91cf\u7ecf\u9a8c\uff0c\u5e76\u6ca1\u6709\u4f7f\u7528Redis\u4e8b\u52a1\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\u4e8b\u52a1\u6bd4pipeline\u6162\u4e00\u4e9b\uff0c\u6240\u4ee5\u6ca1\u6709\u91c7\u7528\u3002<\/p>\n
Redis\u4e8b\u52a1
1\uff09mutil:\u5f00\u542f\u4e8b\u52a1\uff0c\u6b64\u540e\u7684\u6240\u6709\u64cd\u4f5c\u5c06\u88ab\u6dfb\u52a0\u5230\u5f53\u524d\u94fe\u63a5\u4e8b\u52a1\u7684\u201c\u64cd\u4f5c\u961f\u5217\u201d\u4e2d
2\uff09exec:\u63d0\u4ea4\u4e8b\u52a1
3\uff09discard:\u53d6\u6d88\u961f\u5217\u6267\u884c
4\uff09watch:\u5982\u679cwatch\u7684key\u88ab\u4fee\u6539\uff0c\u89e6\u53d1dicard\u3002<\/p>\n
2.5 \u901a\u8fc7\u4efb\u52a1\u5f15\u64ce\u5b9e\u73b0\u6570\u636e\u5e93\u7684\u6700\u7ec8\u4e00\u81f4\u6027<\/p>\n
\u524d\u9762\u901a\u8fc7\u4efb\u52a1\u5f15\u64ce\u6765\u4fdd\u8bc1\u6570\u636e\u4e00\u5b9a\u6301\u4e45\u5316\u6570\u636e\u5e93\uff0c\u300c\u4efb\u52a1\u5f15\u64ce\u300d\u7684\u8bbe\u8ba1\u5982\u4e0b\uff0c\u628a\u4efb\u52a1\u8c03\u5ea6\u62bd\u8c61\u4e3a\u4e1a\u52a1\u65e0\u5173\u7684\u6846\u67b6\u3002\u300c\u4efb\u52a1\u5f15\u64ce\u300d\u53ef\u4ee5\u652f\u6301\u7b80\u5355\u7684\u6d41\u7a0b\u7f16\u6392\uff0c\u5e76\u4fdd\u8bc1\u81f3\u5c11\u6210\u529f\u4e00\u6b21\u3002\u300c\u4efb\u52a1\u5f15\u64ce\u300d\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u72b6\u6001\u673a\u7684\u5f15\u64ce\u51fa\u73b0\uff0c\u652f\u6301\u72b6\u6001\u673a\u7684\u8c03\u5ea6\uff0c\u6240\u4ee5\u300c\u4efb\u52a1\u5f15\u64ce\u300d\u4e5f\u53ef\u4ee5\u79f0\u4e3a\u300c\u72b6\u6001\u673a\u5f15\u64ce\u300d\uff0c\u5728\u6b64\u6587\u662f\u540c\u4e00\u4e2a\u6982\u5ff5\u3002<\/p>\n
\u4efb\u52a1\u5f15\u64ce\u8bbe\u8ba1\u6838\u5fc3\u539f\u7406\uff1a\u5148\u628a\u4efb\u52a1\u843d\u5e93\uff0c\u901a\u8fc7\u6570\u636e\u5e93\u4e8b\u52a1\u4fdd\u8bc1\u5b50\u4efb\u52a1\u62c6\u5206\u548c\u7236\u4efb\u52a1\u5b8c\u6210\u7684\u4e8b\u52a1\u4e00\u81f4\u6027\u3002<\/p>\n
\u4efb\u52a1\u5e93\u5206\u5e93\u5206\u8868\uff1a\u4efb\u52a1\u5e93\u4f7f\u7528\u5206\u5e93\u5206\u8868\uff0c\u53ef\u4ee5\u652f\u6491\u6c34\u5e73\u6269\u5c55\uff0c\u901a\u8fc7\u8bbe\u8ba1\u5206\u5e93\u5b57\u6bb5\u548c\u4e1a\u52a1\u5e93\u5b57\u6bb5\u4e0d\u540c\uff0c\u65e0\u6570\u636e\u70ed\u70b9\u3002<\/p>\n
2.5.1 \u4efb\u52a1\u5f15\u64ce\u7684\u6838\u5fc3\u5904\u7406\u6d41\u7a0b<\/p>\n
\"\u56fe\u7247\"<\/p>\n
\u7b2c\u4e00\u6b65\uff1a\u540c\u6b65\u8c03\u7528\u63d0\u4ea4\u4efb\u52a1\uff0c\u5148\u628a\u4efb\u52a1\u6301\u4e45\u5316\u5230\u6570\u636e\u5e93\uff0c\u72b6\u6001\u4e3a\u300c\u9501\u5b9a\u5904\u7406\u300d\uff0c\u4fdd\u8bc1\u8fd9\u4ef6\u4e8b\u4e00\u5b9a\u5f97\u5230\u5904\u7406\u3002<\/p>\n
\u6ce8\uff1a\u539f\u6765\u7684\u6700\u521d\u7248\u672c\uff0c\u4efb\u52a1\u843d\u5e93\u662f\u5f85\u5904\u7406\uff0c\u7136\u540e\u7531\u626b\u63cfWorker\u8fdb\u884c\u626b\u63cf\uff0c\u4e3a\u4e86\u9632\u6b62\u5e76\u53d1\u91cd\u590d\u5904\u7406\uff0c\u626b\u63cf\u540e\u8fdb\u884c\u5355\u4e2a\u4efb\u52a1\u9501\u5b9a\uff0c\u9501\u5b9a\u6210\u529f\u518d\u8fdb\u884c\u5904\u7406\u3002\u540e\u6765\u4f18\u5316\u4e3a\u843d\u5e93\u4efb\u52a1\u76f4\u63a5\u6807\u8bc6\u72b6\u6001\u4e3a\u300c\u9501\u5b9a\u5904\u7406\u300d\uff0c\u662f\u4e3a\u4e86\u6027\u80fd\u8003\u8651\uff0c\u7701\u53bb\u91cd\u65b0\u626b\u63cf\u518d\u62a2\u5360\u4efb\u52a1\uff0c\u5728\u8fdb\u7a0b\u5185\u76f4\u63a5\u901a\u8fc7\u7ebf\u7a0b\u5f02\u6b65\u5904\u7406\u3002\u9501\u5b9aSql\u53c2\u8003\uff1aUPDATE \u4efb\u52a1\u8868_\u5206\u8868\u53f7 SET \u72b6\u6001 = 100,modifyTime = now() WHERE id = #{id} AND \u72b6\u6001 = 0<\/p>\n
\u7b2c\u4e8c\u6b65\uff1a\u5f02\u6b65\u7ebf\u7a0b\u8c03\u7528\u5916\u90e8\u5904\u7406\u8fc7\u7a0b\uff0c\u8c03\u7528\u5916\u90e8\u5904\u7406\u5b8c\u6210\u540e\uff0c\u63a5\u6536\u8fd4\u56de\u5b50\u4efb\u52a1\u5217\u8868\u3002\u901a\u8fc7\u6570\u636e\u5e93\u4e8b\u52a1\u628a\u7236\u4efb\u52a1\u72b6\u6001\u8bbe\u7f6e\u4e3a\u5df2\u7ecf\u5b8c\u6210\uff0c\u5b50\u4efb\u52a1\u843d\u5e93\u3002\u5e76\u628a\u5b50\u4efb\u52a1\u52a0\u5165\u7ebf\u7a0b\u6c60\u3002\u8981\u70b9\uff1a\u4fdd\u8bc1\u5b50\u4efb\u52a1\u751f\u6210\u548c\u7236\u4efb\u52a1\u5b8c\u6210\u7684\u4e8b\u52a1\u6027<\/p>\n
\u7b2c\u4e09\u6b65\uff1a\u5b50\u4efb\u52a1\u8c03\u5ea6\u6267\u884c\uff0c\u5e76\u91cd\u65b0\u628a\u65b0\u5b50\u4efb\u52a1\u843d\u5e93\uff0c\u5982\u679c\u6ca1\u6709\u5b50\u4efb\u52a1\u8fd4\u56de\uff0c\u5219\u6574\u4e2a\u6d41\u7a0b\u7ed3\u675f\u3002\u5f02\u5e38\u5904\u7406Worker\u5f02\u5e38\u89e3\u9501Worker\u6765\u628a\u957f\u65f6\u95f4\u672a\u5904\u7406\u5b8c\u6210\u7684\u4efb\u52a1\u89e3\u9501\uff0c\u9632\u6b62\u56e0\u4e3a\u670d\u52a1\u5668\u91cd\u542f\uff0c\u6216\u7ebf\u7a0b\u6c60\u6ee1\u9020\u6210\u7684\u4efb\u52a1\u4e00\u76f4\u9501\u5b9a\u65e0\u670d\u52a1\u5668\u6267\u884c\u3002\u8865\u6f0fWorker\u9632\u6b62\u670d\u52a1\u5668\u91cd\u542f\u9020\u6210\u7684\u7ebf\u7a0b\u6c60\u4efb\u52a1\u672a\u6267\u884c\u5b8c\u6210\uff0c\u8865\u6f0f\u7a0b\u5e8f\u91cd\u65b0\u9501\u5b9a\uff0c\u89e6\u53d1\u6267\u884c\u3002<\/p>\n
\u4efb\u52a1\u72b6\u6001\u8f6c\u6362\u8fc7\u7a0b<\/p>\n
\"\u56fe\u7247\"<\/p>\n
2.5.2 \u4efb\u52a1\u5f15\u64ce\u6570\u636e\u5e93\u8bbe\u8ba1
\u4efb\u52a1\u8868\u6570\u636e\u5e93\u7ed3\u6784\u8bbe\u8ba1\u793a\u4f8b\uff08\u4ec5\u505a\u793a\u4f8b\u4f7f\u7528\uff0c\u771f\u5b9e\u4f7f\u7528\u9700\u8981\u5b8c\u5584\uff09<\/p>\n
\"\u56fe\u7247\"<\/p>\n
\u4efb\u52a1\u5f15\u64ce\u6570\u636e\u5e93\u5bb9\u707e
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\"\u56fe\u7247\"<\/p>\n
\u4efb\u52a1\u5f15\u64ce\u8c03\u5ea6\u4e3e\u4f8b
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\"\u56fe\u7247\"
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\"\u56fe\u7247\"
\u56fe8 \u4efb\u52a1\u5f15\u64ce\u4ea4\u4e92\u6d41\u7a0b<\/p>\n
\u603b\u7ed3<\/p>\n
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\u5e38\u89c1\u95ee\u9898\u7b54\u7591<\/p>\n
\u95ee\uff1a\u7b2c\u4e00\u6b65\u8d85\u5356\u6821\u9a8cRedis\u5185\u5b58\u6263\u51cf\uff0c\u7b2c\u4e8c\u6b65\u6263\u51cf\u6570\u636e\u7684\u6301\u4e45\u5316\uff0c\u4e2d\u95f4\u65ad\u4e86\u600e\u4e48\u529e\uff1f(\u4f8b\uff1a\u670d\u52a1\u91cd\u542f)<\/p>\n
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https:\/\/segmentfault.com\/a\/1190000042254886<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
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