{"id":201154,"date":"2025-05-10T08:14:13","date_gmt":"2025-05-10T00:14:13","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201154\/"},"modified":"2025-05-10T08:14:13","modified_gmt":"2025-05-10T00:14:13","slug":"%e8%af%a6%e8%a7%a3redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e4%bc%98%e5%8c%96redis%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e7%9a%84%e8%bf%87%e7%a8%8b%e5%8f%8aredisson%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201154\/","title":{"rendered":"\u8be6\u89e3redis\u5206\u5e03\u5f0f\u9501(\u4f18\u5316redis\u5206\u5e03\u5f0f\u9501\u7684\u8fc7\u7a0b\u53caRedisson\u4f7f\u7528)"},"content":{"rendered":"

<\/b> <\/p>\n

\u8be6\u89e3redis\u5206\u5e03\u5f0f\u9501(\u4f18\u5316redis\u5206\u5e03\u5f0f\u9501\u7684\u8fc7\u7a0b\u53caRedisson\u4f7f\u7528)<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u8be6\u89e3redis\u5206\u5e03\u5f0f\u9501(\u4f18\u5316redis\u5206\u5e03\u5f0f\u9501\u7684\u8fc7\u7a0b\u53caRedisson\u4f7f\u7528)\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

1. redis\u5728\u5b9e\u9645\u7684\u5e94\u7528\u4e2d<\/h2>\n

\u4e0d\u4ec5\u53ef\u4ee5\u7528\u6765\u7f13\u5b58\u6570\u636e\uff0c\u5728\u5206\u5e03\u5f0f\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u7ecf\u5e38\u88ab\u7528\u6765\u5f53\u4f5c\u5206\u5e03\u5f0f\u9501\u7684\u4f7f\u7528\uff0c\u4e3a\u4ec0\u4e48\u8981\u7528\u5230\u5206\u5e03\u5f0f\u9501\u5462\uff1f<\/p>\n

\u5728\u5206\u5e03\u5f0f\u7684\u5f00\u53d1\u4e2d\uff0c\u4ee5\u7535\u5546\u5e93\u5b58\u7684\u66f4\u65b0\u529f\u80fd\u8fdb\u884c\u8bb2\u89e3\uff0c\u5728\u5b9e\u9645\u7684\u5e94\u7528\u4e2d\u76f8\u540c\u529f\u80fd\u7684\u6d88\u8d39\u8005\u662f\u6709\u591a\u4e2a\u7684\uff0c\u5047\u5982\u591a\u4e2a\u6d88\u8d39\u8005\u540c\u4e00\u65f6\u523b\u8981\u53bb\u6d88\u8d39\u4e00\u6761\u6570\u636e\uff0c\u5047\u5982\u4e1a\u52a1\u903b\u8f91\u5904\u7406\u903b\u8f91\u662f\u67e5\u8be2\u51faredis\u4e2d\u7684\u5546\u54c1\u5e93\u5b58\uff0c\u800c\u5982\u679c\u7b2c\u4e00\u4e2a\u8fdb\u6765\u7684\u6d88\u8d39\u7684\u6d88\u8d39\u8005\u83b7\u53d6\u5230\u5e93\u5b58\u4e86\uff0c\u8fd8\u6ca1\u8fdb\u884c\u51cf\u5e93\u5b58\u64cd\u4f5c\uff0c\u76f8\u5bf9\u665a\u6765\u7684\u6d88\u8d39\u8005\u5c31\u83b7\u53d6\u4e86\u5546\u54c1\u7684\u5e93\u5b58\uff0c\u8fd9\u6837\u5c31\u5bfc\u81f4\u6570\u636e\u4f1a\u51fa\u9519\uff0c\u5bfc\u81f4\u6d88\u8d39\u7684\u6570\u636e\u53d8\u591a\u4e86\u3002<\/p>\n

\u4f8b\u5982\uff1a\u6d88\u8d39\u8005A\u548c\u6d88\u8d39\u8005B\u5206\u522b\u53bb\u6d88\u8d39\u751f\u4ea7\u8005C1\u548c\u751f\u4ea7\u8005C2\u7684\u6570\u636e\uff0c\u800c\u751f\u4ea7\u8005\u90fd\u662f\u4f7f\u7528\u540c\u4e00\u4e2aredis\u7684\u6570\u636e\u5e93\u7684\uff0c\u5982\u679c\u751f\u4ea7\u8005C1\u63a5\u6536\u5230\u6d88\u8d39\u8005A\u7684\u6d88\u606f\u540e\uff0c\u5148\u8fdb\u884c\u67e5\u8be2\u5e93\u5b58\uff0c\u7136\u540e\u5f53\u8981\u8fdb\u884c\u51cf\u5e93\u5b58\u7684\u65f6\u5019\uff0c\u56e0\u4e3a\u751f\u4ea7\u8005C2\u63a5\u6536\u5230\u6d88\u8d39\u8005B\u7684\u6d88\u606f\u540e\uff0c\u4e5f\u53bb\u67e5\u8be2\u5e93\u5b58\uff0c\u800c\u56e0\u4e3a\u751f\u4ea7\u8005C1\u8fd8\u6ca1\u6709\u8fdb\u884c\u5e93\u5b58\u7684\u66f4\u65b0\uff0c\u5bfc\u81f4\u751f\u4ea7\u8005C2\u83b7\u53d6\u5230\u7684\u5e93\u5b58\u6570\u662f\u810f\u6570\u636e\uff0c\u800c\u4e0d\u662f\u751f\u4ea7\u8005C1\u66f4\u65b0\u540e\u7684\u6570\u636e\uff0c\u5bfc\u81f4\u4e1a\u52a1\u51fa\u9519\u3002<\/p>\n

<\/p>\n

\u5982\u679c\u4e0d\u662f\u5206\u5e03\u5f0f\u7684\u5e94\u7528\uff0c\u53ef\u4ee5\u4f7f\u7528synchronized\u8fdb\u884c\u9632\u6b62\u5e93\u5b58\u66f4\u65b0\u7684\u95ee\u9898\u7684\u4ea7\u751f\uff0c\u4f46\u662fsynchronized\u53ea\u662f\u57fa\u4e8eJVM\u5c42\u9762\u7684\uff0c\u5982\u679c\u5728\u4e0d\u540c\u7684JVM\u4e2d\uff0c\u5c31\u4e0d\u80fd\u5b9e\u73b0\u8fd9\u6837\u7684\u529f\u80fd\u3002<\/p>\n

\n   @GetMapping(\"getInt0\")\n    public String test() {\n        synchronized (this) {\n            \/\/\u83b7\u53d6\u5f53\u524d\u5546\u54c1\u7684\u6570\u91cf\n            int productNum = Integer.parseInt(stringRedisTemplate.opsForValue().get(\"product\"));\n            \/\/\u7136\u540e\u5bf9\u5546\u54c1\u8fdb\u884c\u51fa\u5e93\u64cd\u4f5c,\u5373\u8fdb\u884c\u51cf1\n            \/*\n             * a\u4e1a\u52a1\u903b\u8f91\n             *\n             * *\/\n            if (productNum > 0) {\n                stringRedisTemplate.opsForValue().set(\"product\", String.valueOf(productNum - 1));\n                int productNumNow = productNum - 1;\n            } else {\n                return \"product=0\";\n            }\n            int productNumNow = productNum - 1;\n            return \"success=\" + productNumNow;\n        }\n    }\n\n<\/pre>\n
2.\u5982\u4f55\u4f7f\u7528redis\u7684\u529f\u80fd\u8fdb\u884c\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501<\/h2>\n
2.1 redis\u5206\u5e03\u5f0f\u9501\u601d\u60f3<\/h3>\n
\u5982\u679c\u5bf9redis\u719f\u6089\u7684\u8bdd\uff0c\u6211\u4eec\u80fd\u591f\u60f3\u5230redis\u4e2d\u5177\u6709setnx\u7684\u547d\u4ee4\uff0c\u8be5\u547d\u4ee4\u7684\u529f\u80fd\u5b87set\u529f\u80fd\u7c7b\u4f3c\uff0c\u4f46\u662fsetnx\u7684\u547d\u4ee4\u5728\u8fdb\u884c\u5b58\u6570\u636e\u524d\uff0c\u4f1a\u68c0\u67e5redis\u4e2d\u662f\u5426\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684key\uff0c\u5982\u5b58\u5728\u7684\u8bdd\u5c31\u8fd4\u56defalse\uff0c\u53cd\u4e4b\u5219\u8fd4\u56detrue\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u8be5\u547d\u4ee4\u7684\u529f\u80fd\uff0c\u8bbe\u8ba1\u4e00\u4e2a\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n
2.1.1\u8bbe\u8ba1\u601d\u60f3\uff1a<\/h4>\n
    \n
  • \u5728\u8bf7\u6c42\u76f8\u540c\u529f\u80fd\u7684\u63a5\u53e3\u65f6\uff0c\u4f7f\u7528redis\u7684setnx\u547d\u4ee4\uff0c\u5982\u679c\u4f7f\u7528setnx\u547d\u4ee4\u540e\u8fd4\u56de\u7684\u662f\u4e3atrue\uff0c\u8bf4\u660e\u6b64\u65f6\u6ca1\u6709\u5176\u4ed6\u7684\u8c03\u7528\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5c31\u76f8\u5f53\u4e8e\u83b7\u53d6\u5230\u9501\u4e86\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u63a5\u4e0b\u6765\u7684\u4e1a\u52a1\u903b\u8f91\u4e86\u3002\u5f53\u6267\u884c\u5b8c\u4e1a\u52a1\u903b\u8f91\u540e\uff0c\u5728\u8fd4\u56de\u6570\u636e\u524d\uff0c\u5c31\u628akey\u5220\u9664\u4e86\uff0c\u7136\u540e\u5176\u4ed6\u7684\u8bf7\u6c42\u5c31\u80fd\u83b7\u53d6\u5230\u9501\u4e86\u3002<\/li>\n
  • \u5982\u679c\u4f7f\u7528setnx\u547d\u4ee4\uff0c\u8fd4\u56de\u7684\u662ffalse\uff0c\u8bf4\u660e\u6b64\u65f6\u6709\u5176\u4ed6\u7684\u6d88\u8d39\u8005\u6b63\u5728\u8c03\u7528\u8fd9\u4e2a\u63a5\u53e3\uff0c\u56e0\u6b64\u9700\u8981\u7b49\u5f85\u5176\u4ed6\u6d88\u8d39\u8005\u987a\u5229\u6d88\u8d39\u5b8c\u6210\u540e\uff0c\u624d\u80fd\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u7684\u9501\u3002<\/li>\n<\/ul>\n
    2.1.2 \u6839\u636e\u4e0a\u9762\u7684\u8bbe\u8ba1\u601d\u60f3\u8fdb\u884c\u4ee3\u7801\u5b9e\u73b0<\/h4>\n
    \u4ee3\u7801\u7247\u6bb5\u30101\u3011<\/p>\n
    \n  @GetMapping(\"getInt1\")\n    public String fubushisuo(){\n        \/\/setIfAbsent\u7684\u6307\u4ee4\u529f\u80fd\u548credis\u547d\u4ee4\u4e2d\u7684setNx\u529f\u80fd\u4e00\u6837,\u5982\u679credis\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684key,\u5219\u8fd4\u56defalse\n        String lockkey = \"yigehaimeirumengdechengxuyuan\";\n        String lockvalue = \"yigehaimeirumengdechengxuyuan\";\n        boolean opsForSet = stringRedisTemplate.opsForValue().setIfAbsent(lockkey,lockvalue);\n        \/\/\u5982\u679c\u80fd\u591f\u6210\u529f\u7684\u8bbe\u7f6elockkey\uff0c\u8fd9\u8bf4\u660e\u5f53\u524d\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\n        if (!opsForSet){\n            return \"false\";\n        }\n        \/\/\u83b7\u53d6\u5f53\u524d\u5546\u54c1\u7684\u6570\u91cf\n        int productNum = Integer.parseInt(stringRedisTemplate.opsForValue().get(\"product\"));\n        \/\/\u7136\u540e\u5bf9\u5546\u54c1\u8fdb\u884c\u51fa\u5e93\u64cd\u4f5c,\u5373\u8fdb\u884c\u51cf1\n        \/*\n        * a\u4e1a\u52a1\u903b\u8f91\n        *\n        * *\/\n        if (productNum>0){\n            stringRedisTemplate.opsForValue().set(\"product\", String.valueOf(productNum - 1));\n            int productNumNow = productNum - 1;\n        }else {\n            return \"product=0\";\n        }\n        \/\/\u7136\u540e\u8fdb\u884c\u91ca\u653e\u9501\n        stringRedisTemplate.delete(lockkey);\n        int productNumNow = productNum-1;\n        return \"success=\"+productNumNow;\n    }\n\n\n<\/pre>\n
    2.1.2.1\u53cd\u601d\u4ee3\u7801\u7247\u6bb5\u30101\u3011<\/h5>\n
    \u5982\u679c\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\u4f1a\u4ea7\u751f\u6b7b\u9501\u7684\u65b9\u5f0f\uff1a
     \u6b7b\u9501\u53d1\u751f\u7684\u60c5\u51b5\uff1a
     \uff081\uff09 \u5982\u679c\u5728a\u4e1a\u52a1\u903b\u8f91\u51fa\u73b0\u9519\u8bef\u65f6\uff0c\u5bfc\u81f4\u4e0d\u80fd\u6267\u884cdelete()\u64cd\u4f5c\uff0c\u4f7f\u5f97\u5176\u4ed6\u7684\u8bf7\u6c42\u4e0d\u80fd\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\uff0c\u4e1a\u52a1lockkey\u4e00\u76f4\u5b58\u5728\u4e8ereids\u4e2d\uff0c\u5bfc\u81f4setnx\u64cd\u4f5c\u4e00\u76f4\u5931\u8d25\uff0c\u6240\u4ee5\u4e0d\u80fd\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501
     \uff082\uff09 \u89e3\u51b3\u65b9\u6cd5\uff0c\u4f7f\u7528\u5bf9\u4e1a\u52a1\u4ee3\u7801\u8fdb\u884ctry\u2026catch\u64cd\u4f5c\uff0c\u5982\u679c\u51fa\u73b0\u9519\u8bef\uff0c\u90a3\u4e48\u4f7f\u7528finally\u5bf9key\u8fdb\u884c\u5220\u9664<\/p>\n
    \u4f18\u5316\u4ee3\u7801\u30102\u3011<\/p>\n
    \n     @GetMapping(\"getInt2\")\n    public String fubushisuo2(){\n        \/\/setIfAbsent\u7684\u6307\u4ee4\u529f\u80fd\u548credis\u547d\u4ee4\u4e2d\u7684setNx\u529f\u80fd\u4e00\u6837,\u5982\u679credis\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684key,\u5219\u8fd4\u56defalse\n        String lockkey = \"yigehaimeirumengdechengxuyuan\";\n        String lockvalue = \"yigehaimeirumengdechengxuyuan\";\n        boolean opsForSet = stringRedisTemplate.opsForValue().setIfAbsent(lockkey,lockvalue);\n        int productNumNow = 0;\n        \/\/\u5982\u679c\u80fd\u591f\u6210\u529f\u7684\u8bbe\u7f6elockkey\uff0c\u8fd9\u8bf4\u660e\u5f53\u524d\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\n        if (!opsForSet){\n            return \"false\";\n        }\n        try {\n            \/\/\u83b7\u53d6\u5f53\u524d\u5546\u54c1\u7684\u6570\u91cf\n            int productNum = Integer.parseInt(stringRedisTemplate.opsForValue().get(\"product\"));\n            \/\/\u7136\u540e\u5bf9\u5546\u54c1\u8fdb\u884c\u51fa\u5e93\u64cd\u4f5c,\u5373\u8fdb\u884c\u51cf1\n            \/*\n             * b\u4e1a\u52a1\u903b\u8f91\n             * *\/\n            if (productNum>0){\n                stringRedisTemplate.opsForValue().set(\"product\", String.valueOf(productNum - 1));\n                productNumNow = productNum-1;\n            }else {\n                return \"product=0\";\n            }\n\n        }catch (Exception e){\n            System.out.println(e.getCause());\n        }finally {\n                \/\/\u7136\u540e\u8fdb\u884c\u91ca\u653e\u9501\n            stringRedisTemplate.delete(lockkey);\n        }\n\n        return \"success=\"+productNumNow;\n    }\n<\/pre>\n
    2.1.2.2\u53cd\u601d\u4ee3\u7801\u30102\u3011<\/h5>\n
    \u51fa\u73b0\u95ee\u9898\u7684\u60c5\u51b5\uff1a
     \u5982\u679c\u8fd9\u79cd\u60c5\u51b5\u4e5f\u6709\u4f1a\u4ea7\u751f\u7684\u60c5\u51b5\uff0c\u5982\u679c\u6b64\u65f6\u6709\u591a\u53f0\u670d\u52a1\u5668\u90fd\u5728\u8fd0\u884c\u8be5\u65b9\u6cd5\uff0c
     \u5176\u4e2d\u6709\u4e00\u4e2a\u65b9\u6cd5\u83b7\u53d6\u5230\u4e86\u5206\u5e03\u5f0f\u9501\uff0c\u800c\u5728\u8fd0\u884c\u4e0b\u9762\u7684\u4e1a\u52a1\u4ee3\u7801\u65f6\uff0c\u6b64\u65f6\u8be5\u670d\u52a1\u5668\u7a81\u7136\u5b95\u673a\u4e86\uff0c\u5bfc\u81f4\u5176\u4ed6\u7684\u4e0d\u80fd\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\uff0c<\/p>\n
    \u89e3\u51b3\u65b9\u6cd5\uff1a\u52a0\u4e0a\u8fc7\u671f\u65f6\u95f4\uff0c\u4f46\u53c8\u670d\u52a1\u5b95\u673a\u4e86\uff0c\u8fc7\u4e86\u8bbe\u7f6e\u7684\u65f6\u95f4\u540e\uff0credis\u4f1a\u53ef\u4ee5\u628akey\u7ed9\u5220\u9664\uff0c\u8fd9\u6837\u5176\u4ed6\u7684\u7684\u670d\u52a1\u5668\u5c31\u53ef\u4ee5\u6b63\u5e38\u7684\u8fdb\u884c\u4e0a\u9501\u4e86\u3002<\/p>\n
    \u4f18\u5316\u4ee3\u7801\u30103\u3011<\/p>\n
    \n @GetMapping(\"getInt3\")\n    public String fubushisuo3(){\n        \/\/setIfAbsent\u7684\u6307\u4ee4\u529f\u80fd\u548credis\u547d\u4ee4\u4e2d\u7684setNx\u529f\u80fd\u4e00\u6837,\u5982\u679credis\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684key,\u5219\u8fd4\u56defalse\n        String lockkey = \"yigehaimeirumengdechengxuyuan\";\n        String lockvalue = \"yigehaimeirumengdechengxuyuan\";\n       \/\/[01] boolean opsForSet = stringRedisTemplate.opsForValue().setIfAbsent(lockkey,lockvalue);\n        \/\/\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u4e3a10\u79d2\uff0c\u4f46\u662f\u5982\u679c\u4f7f\u7528\u8be5\u547d\u4ee4\uff0c\u6ca1\u6709\u539f\u5b50\u6027\uff0c\u53ef\u80fd\u6267\u884cexpire\u524d\u5b95\u673a\u4e86\uff0c\u800c\u4e0d\u662f\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff0c\n       \/\/[02] stringRedisTemplate.expire(lockkey, Duration.ofSeconds(10));\n        \/\/\u4f7f\u7528setIfAbsent(lockkey,lockvalue,10,TimeUnit.SECONDS);\u4ee3\u7801\u4ee3\u66ff\u4e0a\u9762[01],[02]\u884c\u4ee3\u7801\n        Boolean opsForSet = stringRedisTemplate.opsForValue().setIfAbsent(lockkey, lockvalue, 10, TimeUnit.SECONDS);\n        int productNumNow = 0;\n        \/\/\u5982\u679c\u80fd\u591f\u6210\u529f\u7684\u8bbe\u7f6elockkey\uff0c\u8fd9\u8bf4\u660e\u5f53\u524d\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\n        if (!opsForSet){\n            return \"false\";\n        }\n        try {\n            \/\/\u83b7\u53d6\u5f53\u524d\u5546\u54c1\u7684\u6570\u91cf\n            int productNum = Integer.parseInt(stringRedisTemplate.opsForValue().get(\"product\"));\n            \/\/\u7136\u540e\u5bf9\u5546\u54c1\u8fdb\u884c\u51fa\u5e93\u64cd\u4f5c,\u5373\u8fdb\u884c\u51cf1\n            \/*\n             * c\u4e1a\u52a1\u903b\u8f91\n             * *\/\n            if (productNum>0){\n                stringRedisTemplate.opsForValue().set(\"product\", String.valueOf(productNum - 1));\n                productNumNow = productNum-1;\n            }else {\n                return \"product=0\";\n            }\n\n        }catch (Exception e){\n            System.out.println(e.getCause());\n        }finally {\n        \n        \/\/\u7136\u540e\u8fdb\u884c\u91ca\u653e\u9501\n            stringRedisTemplate.delete(lockkey);\n        }\n        \n        return \"success=\"+productNumNow;\n    }\n\n<\/pre>\n
    2.1.2.3 \u53cd\u601d\u4f18\u5316\u4ee3\u7801\u30103\u3011<\/h5>\n
    \u51fa\u73b0\u95ee\u9898\u7684\u60c5\u51b5\uff1a
     \u5982\u679cc\u4e1a\u52a1\u903b\u8f91\u6301\u7eed\u8d85\u8fc7\u4e86\u8bbe\u7f6e\u65f6\u95f4\uff0c\u5bfc\u81f4redis\u4e2d\u7684lockkey\u8fc7\u671f\u4e86\uff0c
     \u800c\u5176\u4ed6\u7684\u7528\u6237\u6b64\u65f6\u8bbf\u95ee\u8be5\u65b9\u6cd5\u65f6\u83b7\u53d6\u5230\u9501\u4e86\uff0c\u800c\u5728\u6b64\u65f6\uff0c\u4e4b\u524d\u7684\u7684c\u4e1a\u52a1\u903b\u8f91\u4e5f\u6267\u884c\u5b8c\u6210\u4e86\uff0c\u4f46\u662f\u4ed6\u4f1a\u6267\u884cdelete\uff0c\u628alcokkey\u5220\u9664\u4e86\u3002\u5bfc\u81f4\u5206\u5e03\u5f0f\u9501\u51fa\u9519\u3002
     \u4f8b\u5b50\uff1a\u572812:01:55\u7684\u65f6\u523b\uff0c\u6709\u4e00\u4e2aA\u6765\u6267\u884c\u8be5getInt3\u65b9\u6cd5\uff0c\u5e76\u4e14\u6210\u529f\u83b7\u53d6\u5230\u9501\uff0c\u4f46\u662fA\u6267\u884c\u4e8610\u79d2\u540e\u8fd8\u4e0d\u80fd\u5b8c\u6210\u4e1a\u52a1\u903b\u8f91\uff0c\u5bfc\u81f4redis\u4e2d\u7684\u9501\u8fc7\u671f\u4e86\uff0c\u800c\u572811\u79d2\u7684\u65f6\u5019\u6709B\u6765\u6267\u884cgetint3\u65b9\u6cd5\uff0c\u56e0\u4e3akey\u88abA\u5220\u9664\u4e86\uff0c\u5bfc\u81f4B\u80fd\u591f\u6210\u529f\u7684\u83b7\u53d6redis\u9501\uff0c\u800c\u5728B\u83b7\u53d6\u9501\u540e\uff0cA\u56e0\u4e3a\u6267\u884c\u5b8c\u6210\u4e86\uff0c\u7136\u540e\u628areids\u4e2d\u7684key\u7ed9\u5220\u9664\u4e86\uff0c\u4f46\u662f\u6211\u4eec\u6ce8\u610f\u7684\u662f\uff0cA\u5220\u9664\u7684\u9501\u662fB\u52a0\u4e0a\u53bb\u7684\uff0c\u800cA\u7684\u9501\u662f\u56e0\u4e3a\u8fc7\u671f\u4e86\uff0c\u624d\u88abredis\u81ea\u5df1\u5220\u9664\u4e86\uff0c\u56e0\u6b64\u8fd9\u5bfc\u81f4\u4e86C\u5982\u679c\u6b64\u65f6\u6765\u65f6\u4e5f\u80fd\u83b7\u53d6redis\u5206\u5e03\u5f0f\u9501<\/p>\n
    \u89e3\u51b3\u65b9\u6cd5\uff1a\u4f7f\u7528UUID\uff0c\u4ea7\u751f\u4e00\u4e2a\u968f\u673a\u6570\uff0c\u5f53\u8981\u8fdb\u884cdelete\uff08\u5220\u9664\uff09redis\u4e2dkey\u65f6\uff0c\u5224\u65ad\u662f\u4e0d\u662f\u4e4b\u524d\u81ea\u5df1\u8bbe\u7f6e\u7684UUID<\/p>\n
    \u4ee3\u7801\u4f18\u5316\u30104\u3011<\/p>\n
    \n  @GetMapping(\"getInt4\")\n    public String fubushisuo4(){\n        \/\/setIfAbsent\u7684\u6307\u4ee4\u529f\u80fd\u548credis\u547d\u4ee4\u4e2d\u7684setNx\u529f\u80fd\u4e00\u6837,\u5982\u679credis\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684key,\u5219\u8fd4\u56defalse\n        String lockkey = \"yigehaimeirumengdechengxuyuan\";\n        \/\/\u83b7\u53d6UUID\n        String lockvalue = UUID.randomUUID().toString();\n        Boolean opsForSet = stringRedisTemplate.opsForValue().setIfAbsent(lockkey, lockvalue, 10, TimeUnit.SECONDS);\n        int productNumNow = 0;\n        \/\/\u5982\u679c\u80fd\u591f\u6210\u529f\u7684\u8bbe\u7f6elockkey\uff0c\u8fd9\u8bf4\u660e\u5f53\u524d\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\n        if (!opsForSet){\n            return \"false\";\n        }\n        try {\n            \/\/\u83b7\u53d6\u5f53\u524d\u5546\u54c1\u7684\u6570\u91cf\n            int productNum = Integer.parseInt(stringRedisTemplate.opsForValue().get(\"product\"));\n            \/\/\u7136\u540e\u5bf9\u5546\u54c1\u8fdb\u884c\u51fa\u5e93\u64cd\u4f5c,\u5373\u8fdb\u884c\u51cf1\n            \/*\n             * c\u4e1a\u52a1\u903b\u8f91\n             * *\/\n\n            if (productNum>0){\n                stringRedisTemplate.opsForValue().set(\"product\", String.valueOf(productNum - 1));\n                productNumNow = productNum-1;\n            }else {\n                return \"product=0\";\n            }\n\n        }catch (Exception e){\n            System.out.println(e.getCause());\n        }finally {\n        \n        \/\/\u8fdb\u884c\u91ca\u653e\u9501\n            if (lockvalue==stringRedisTemplate.opsForValue().get(lockkey)){\n                stringRedisTemplate.delete(lockkey);\n            }\n        }\n        return \"success=\"+productNumNow;\n    }\n<\/pre>\n
    2.1.2.4 \u53cd\u601d\u4f18\u5316\u4ee3\u7801\u30104\u3011<\/h5>\n
    \u51fa\u73b0\u95ee\u9898\u7684\u60c5\u51b5\uff1a
     \u6b64\u65f6\u8be5\u65b9\u6cd5\u662f\u6bd4\u8f83\u5b8c\u7f8e\u7684\uff0c\u4e00\u822c\u5e76\u53d1\u4e0d\u662f\u8d85\u7ea7\u5927\u7684\u60c5\u51b5\u4e0b\u90fd\u53ef\u4ee5\u8fdb\u884c\u4f7f\u7528\uff0c\u4f46\u662f\u5173\u4e8ekey\u7684\u8fc7\u671f\u65f6\u95f4\u9700\u8981\u6839\u636e\u4e1a\u52a1\u6267\u884c\u7684\u65f6\u95f4\uff0c\u8fdb\u884c\u8bbe\u7f6e\uff0c\u9632\u6b62\u5728\u4e1a\u52a1\u8fd8\u6ca1\u6267\u884c\u5b8c\u65f6\uff0ckey\u5c31\u8fc7\u671f\u4e86.<\/p>\n
    \u89e3\u51b3\u65b9\u6cd5\uff1a\u76ee\u524d\u6709\u5f88\u591aredis\u7684\u5206\u5e03\u5f0f\u9501\u7684\u6846\u67b6\uff0c\u5176\u4e2dredisson\u7528\u7684\u662f\u6bd4\u8f83\u591a\u7684<\/p>\n
    2.2 \u4f7f\u7528redisson\u8fdb\u884c\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501<\/h3>\n
    \u5148\u6dfb\u52a0redisson\u7684maven\u4f9d\u8d56<\/p>\n
    \n        \n   \n    \n     org.redisson\n    \n    \n     redisson\n    \n    \n     3.11.1\n    \n   <\/pre>\n
    redisson\u7684bean\u914d\u7f6e<\/p>\n
    \n@Configuration\npublic class RedissonConfigure {\n    @Bean\n    public Redisson redisson(){\n        Config config = new Config();\n        config.useSingleServer().setAddress(\"redis:\/\/27.196.106.42:6380\").setDatabase(0);\n        return (Redisson) Redisson.create(config);\n    }\n}\n\n<\/pre>\n
    \u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u4ee3\u7801\u5982\u4e0b<\/p>\n
    \n @GetMapping(\"getInt5\")\n    public String fubushisuo5(){\n        \/\/setIfAbsent\u7684\u6307\u4ee4\u529f\u80fd\u548credis\u547d\u4ee4\u4e2d\u7684setNx\u529f\u80fd\u4e00\u6837,\u5982\u679credis\u4e2d\u5df2\u7ecf\u5b58\u5728\u76f8\u540c\u7684key,\u5219\u8fd4\u56defalse\n        String lockkey = \"yigehaimeirumengdechengxuyuan\";\n        \/\/\u83b7\u53d6UUID\n        RLock lock = redisson.getLock(lockkey);\n        lock.lock();\n        int productNumNow = 0;\n        \/\/\u5982\u679c\u80fd\u591f\u6210\u529f\u7684\u8bbe\u7f6elockkey\uff0c\u8fd9\u8bf4\u660e\u5f53\u524d\u83b7\u53d6\u5230\u5206\u5e03\u5f0f\u9501\n\n        try {\n            \/\/\u83b7\u53d6\u5f53\u524d\u5546\u54c1\u7684\u6570\u91cf\n            int productNum = Integer.parseInt(stringRedisTemplate.opsForValue().get(\"product\"));\n            \/\/\u7136\u540e\u5bf9\u5546\u54c1\u8fdb\u884c\u51fa\u5e93\u64cd\u4f5c,\u5373\u8fdb\u884c\u51cf1\n            \/*\n             * c\u4e1a\u52a1\u903b\u8f91\n             * *\/\n            if (productNum>0){\n            stringRedisTemplate.opsForValue().set(\"product\", String.valueOf(productNum - 1));\n            productNumNow = productNum-1;\n            }else {\n                return \"product=0\";\n            }\n        }catch (Exception e){\n            System.out.println(e.getCause());\n        }finally {\n           lock.unlock();\n            }\n\n        \/\/\u7136\u540e\u8fdb\u884c\u91ca\u653e\u9501\n        return \"success=\"+productNumNow;\n    }\n<\/pre>\n
    \u4ece\u9762\u5c31\u80fd\u770b\u5230\uff0credisson\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u662f\u975e\u5e38\u7b80\u5355\u7684\uff0c\u53ea\u8981\u7b80\u5355\u7684\u51e0\u6761\u547d\u4ee4\u5c31\u80fd\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u529f\u80fd\u7684\u3002
     redisson\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u7684\u53ea\u8981\u539f\u7406\u5982\u4e0b\uff1a
     redisson\u4f7f\u7528\u4e86Lua\u811a\u672c\u8bed\u8a00\u4f7f\u5f97\u547d\u4ee4\u65e2\u6709\u539f\u5b50\u6027\uff0credisson\u83b7\u53d6\u9501\u65f6\uff0c\u4f1a\u7ed9key\u8bbe\u7f6e30\u79d2\u7684\u8fc7\u671f\u662f\u6309\uff0c\u540c\u65f6redisson\u4f1a\u8bb0\u5f55\u5f53\u524d\u8bf7\u6c42\u7684\u7ebf\u7a0b\u7f16\u53f7\uff0c\u7136\u540e\u5b9a\u65f6\u7684\u53bb\u68c0\u67e5\u8be5\u7ebf\u7a0b\u7684\u72b6\u6001\uff0c\u5982\u679c\u8fd8\u5904\u4e8e\u6267\u884c\u72b6\u6001\u7684\u8bdd\uff0c\u800c\u4e14key\u5dee\u4e0d\u591a\u8981\u8d85\u671f\u8fc7\u65f6\u65f6\uff0credisson\u4f1a\u4fee\u6539key\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u4e00\u822c\u589e\u52a010\u79d2\u3002\u8fd9\u6837\u5c31\u53ef\u4ee5\u52a8\u6001\u7684\u8bbe\u7f6ekey\u7684\u8fc7\u671f\u65f6\u95f4\u4e86\uff0c\u5f25\u8865\u4e86\u4f18\u5316\u4ee3\u7801\u30104\u3011\u7684\u7247\u6bb5<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u8be6\u89e3redis\u5206\u5e03\u5f0f\u9501(\u4f18\u5316re...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201154","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201154"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201154\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}