{"id":201954,"date":"2025-05-10T12:16:46","date_gmt":"2025-05-10T04:16:46","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201954\/"},"modified":"2025-05-10T12:16:46","modified_gmt":"2025-05-10T04:16:46","slug":"redis%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e4%ba%8b%e5%8a%a1%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201954\/","title":{"rendered":"Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u8be6\u89e3"},"content":{"rendered":"

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

Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u8be6\u89e3<\/h1>\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\u300aRedis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u8be6\u89e3\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

\u968f\u7740\u4e92\u8054\u7f51\u4ea4\u6613\u7684\u4e0d\u65ad\u589e\u957f\uff0c\u5206\u5e03\u5f0f\u4e8b\u52a1\u6210\u4e3a\u4e1a\u52a1\u7cfb\u7edf\u5fc5\u5907\u7684\u4e00\u90e8\u5206\u3002\u968f\u7740\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u5b9e\u73b0\u65b9\u5f0f\u7684\u4e0d\u65ad\u4e30\u5bcc\uff0cRedis\u4f5c\u4e3a\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u6b63\u9010\u6e10\u6210\u4e3a\u5206\u5e03\u5f0f\u4e8b\u52a1\u5b9e\u73b0\u7684\u9996\u9009\u3002\u672c\u6587\u4e3b\u8981\u4ecb\u7ecdRedis\u5982\u4f55\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002<\/p>\n

Redis\u7684\u4e8b\u52a1\u6a21\u578b<\/p>\n

Redis\u652f\u6301\u7684\u4e8b\u52a1\u6a21\u578b\u662f\u6279\u91cf\u64cd\u4f5c\u3002\u5728\u4e00\u4e2a\u4e8b\u52a1\u5185\uff0cRedis\u53ef\u4ee5\u6267\u884c\u591a\u4e2a\u547d\u4ee4\u3002\u591a\u4e2a\u547d\u4ee4\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u5168\u90e8\u6210\u529f\u6216\u8005\u5931\u8d25\uff0c\u4fdd\u8bc1\u4e86\u4e8b\u52a1\u7684\u5b8c\u6574\u6027\uff0c\u56e0\u6b64Redis\u53ef\u4ee5\u5f88\u597d\u5730\u652f\u6301\u4e8b\u52a1\u6027\u3002<\/p>\n

Redis\u4e8b\u52a1\u7684\u57fa\u672c\u539f\u7406\u662f\u5c06\u591a\u4e2a\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u4e8b\u52a1\uff0c\u7136\u540e\u539f\u5b50\u6267\u884c\uff0c\u4e0d\u8fc7\u8981\u6ce8\u610f\u7684\u662fRedis\u4e8b\u52a1\u7684\u6267\u884c\u6d41\u7a0b\u548c\u5176\u4ed6\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e0d\u592a\u4e00\u6837\uff0c\u4e00\u822c\u7684\u4e8b\u52a1\u4f1a\u6267\u884c\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\uff1a<\/p>\n

1.\u5f00\u59cb\u4e8b\u52a1
2.\u6267\u884c\u591a\u4e2a\u547d\u4ee4
3.\u63d0\u4ea4\u4e8b\u52a1<\/p>\n

\u4f46\u662fRedis\u4e8b\u52a1\u7684\u6267\u884c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

1.\u5f00\u59cb\u4e8b\u52a1
2.\u6267\u884c\u591a\u4e2a\u547d\u4ee4
3.\u961f\u5217\u7f13\u5b58\u547d\u4ee4
4.\u63d0\u4ea4\u4e8b\u52a1<\/p>\n

\u5728Redis\u6267\u884c\u4e8b\u52a1\u7684\u65f6\u5019\uff0c\u4f1a\u5c06\u591a\u4e2a\u547d\u4ee4\u653e\u5165\u961f\u5217\u4e2d\uff0c\u5f85\u5230\u63d0\u4ea4\u4e8b\u52a1\u7684\u65f6\u5019\u624d\u4f1a\u5c06\u8fd9\u4e9b\u547d\u4ee4\u4ee5\u539f\u5b50\u6027\u7684\u65b9\u5f0f\u6267\u884c\u3002\u5982\u679c\u4e8b\u52a1\u7684\u6267\u884c\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u9519\u8bef\uff0cRedis\u4f1a\u5c06\u8fd9\u4e2a\u9519\u8bef\u4ee3\u7801\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\uff0c\u5e76\u4e14\u4e0d\u4f1a\u6267\u884c\u4e8b\u52a1\u4e2d\u5c1a\u672a\u6267\u884c\u7684\u547d\u4ee4\u3002<\/p>\n

Redis\u4e8b\u52a1\u7684\u5b9e\u4f8b<\/p>\n

\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86Redis\u4e8b\u52a1\u7684\u7b80\u5355\u4f7f\u7528\uff1a<\/p>\n

require 'redis'\n\n# \u8fde\u63a5Redis\u6570\u636e\u5e93\nredis = Redis.new(host: 'localhost', port: 6379)\n\n# \u521d\u59cb\u5316\u4e00\u4e2aRedis\u4e8b\u52a1\u5bf9\u8c61\nredis.multi do\n  redis.set('key1', 'value1')\n  redis.set('key2', 'value2')\nend<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e00\u4e2aRedis\u4e8b\u52a1\u5bf9\u8c61\u6765\u6267\u884c\u4e24\u4e2a\u547d\u4ee4\uff0c\u8fd9\u4e2a\u4e8b\u52a1\u7684\u76ee\u7684\u662f\u8981\u5c06key1\u7684\u503c\u8bbe\u7f6e\u4e3avalue1\uff0c\u628akey2\u7684\u503c\u8bbe\u7f6e\u4e3avalue2\u3002\u4f7f\u7528multi\u65b9\u6cd5\u5f00\u59cb\u4e00\u4e2aRedis\u4e8b\u52a1\uff0c\u4f7f\u7528set\u65b9\u6cd5\u8bbe\u7f6ekey\u7684\u503c\uff0c\u4f7f\u7528exec\u65b9\u6cd5\u63d0\u4ea4Redis\u4e8b\u52a1\uff0c\u6700\u540eRedis\u4f1a\u81ea\u52a8\u5c06\u8fd9\u4e9b\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u4e8b\u52a1\u539f\u5b50\u6267\u884c\u3002<\/p>\n
Redis\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u5b9e\u73b0\u65b9\u5f0f<\/p>\n
\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e8b\u52a1\u64cd\u4f5c\u7684\u6570\u636e\u53ef\u80fd\u5206\u5e03\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e2d\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u79cd\u673a\u5236\u6765\u4fdd\u8bc1\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u3002Redis\u7684\u5206\u5e03\u5f0f\u4e8b\u52a1\u6709\u4ee5\u4e0b\u51e0\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff1a<\/p>\n
1.\u4f7f\u7528Redis\u7684WATCH\u547d\u4ee4<\/p>\n
\u901a\u8fc7\u4f7f\u7528WATCH\u6307\u4ee4\uff0cRedis\u53ef\u4ee5\u76d1\u542c\u4e00\u4e2a\u6216\u591a\u4e2a\u5173\u952e\u53d8\u91cf\u3002\u5982\u679c\u8fd9\u4e9b\u53d8\u91cf\u5728\u4e4b\u524d\u7684\u547d\u4ee4\u6267\u884c\u4e2d\u88ab\u4fee\u6539\u4e86\uff0c\u90a3\u4e48\u4e8b\u52a1\u5c31\u4f1a\u505c\u6b62\u6267\u884c\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u5728\u5904\u7406\u4e8b\u52a1\u7684\u65f6\u5019\u6570\u636e\u88ab\u66f4\u65b0\u800c\u5bfc\u81f4\u9519\u8bef\u53d1\u751f\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528WATCH\u7684\u4f8b\u5b50\uff1a<\/p>\n
require 'redis'\n\n# \u8fde\u63a5Redis\u6570\u636e\u5e93\nredis = Redis.new(host: 'localhost', port: 6379)\n\n# \u76d1\u89c6key\nredis.watch('key')\n\n# \u5f00\u59cb\u4e8b\u52a1\nredis.multi do\n  redis.set('key1', 'value1')\nend\n\n# \u63d0\u4ea4\u4e8b\u52a1\nredis.exec<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528watch\u6765\u76d1\u89c6key\u662f\u5426\u88ab\u4fee\u6539\uff0c\u5f53\u4e8b\u52a1\u5f00\u59cb\u6267\u884c\u65f6\u5982\u679c\u53d1\u73b0key\u5df2\u7ecf\u88ab\u4fee\u6539\u8fc7\uff0c\u5219\u7ec8\u6b62\u4e8b\u52a1\u7684\u6267\u884c\uff0c\u4e8b\u52a1\u6267\u884c\u540e\uff0c\u901a\u8fc7exec\u65b9\u6cd5\u63d0\u4ea4\u3002<\/p>\n
2.\u4f7f\u7528Redis\u7684\u4e8b\u52a1\u9501<\/p>\n
\u5982\u679c\u4f7f\u7528WATCH\u547d\u4ee4\uff0c\u9700\u8981\u8003\u8651\u591a\u4e2a\u5ba2\u6237\u7aef\u5e76\u53d1\u8bbf\u95ee\u7684\u60c5\u51b5\uff0c\u4f1a\u9020\u6210\u6027\u80fd\u7684\u4e0b\u964d\u3002\u56e0\u6b64\uff0cRedis\u4e5f\u63d0\u4f9b\u4e86\u4e00\u79cd\u5206\u5e03\u5f0f\u9501\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684SETNX\u6307\u4ee4\u6216\u8005SET\u6307\u4ee4\u6765\u5b9e\u73b0\u4e8b\u52a1\u9501\u3002SETNX\u6307\u4ee4\u53ea\u6709\u5728\u6240\u8bbe\u7f6e\u7684key\u4e0d\u5b58\u5728\u65f6\uff0c\u624d\u4f1a\u8bbe\u7f6e\u6210\u529f\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u4fdd\u8bc1key\u53ea\u4f1a\u88ab\u4e00\u4e2a\u5ba2\u6237\u7aef\u6240\u83b7\u5f97\uff0c\u901a\u8fc7SET\u6307\u4ee4\u53ef\u4ee5\u8bbe\u7f6ekey\u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u786e\u4fdd\u9501\u552f\u4e00\u6027\u4e0e\u5b89\u5168\u6027\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
require 'redis'\n\n# \u8fde\u63a5Redis\u6570\u636e\u5e93\nredis = Redis.new(host: 'localhost', port: 6379)\n\n# \u8bbe\u7f6eRedis\u9501\nredis.set('lock_key', 'value', ex: 10, nx: true)\n\n# \u6267\u884c\u4e8b\u52a1\nredis.multi do\n  redis.set('key1', 'value1')\nend\n\n# \u91ca\u653eRedis\u9501\nredis.del('lock_key')\n\n# \u63d0\u4ea4\u4e8b\u52a1\nredis.exec<\/pre>\n
\u5728\u4e0a\u8ff0\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86set\u6307\u4ee4\u6765\u8bbe\u7f6e\u9501\uff0c\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u4e3a10\u79d2\uff0c\u5e76\u4e14\u540c\u65f6\u8bbe\u7f6e\u4e86nx\u53c2\u6570\uff0c\u907f\u514d\u4e86\u9501\u7684\u91cd\u590d\u83b7\u53d6\u3002<\/p>\n
3.\u4f7f\u7528Redis\u7684Lua\u811a\u672c<\/p>\n
\u9664\u4e86\u4e0a\u8ff0\u4e24\u79cd\u65b9\u6cd5\u4e4b\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528Redis\u7684Lua\u811a\u672c\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u529f\u80fd\u3002Lua\u811a\u672c\u652f\u6301\u539f\u5b50\u6027\u64cd\u4f5c\uff0c\u591a\u4e2a\u547d\u4ee4\u53ef\u4ee5\u5728\u540c\u4e00\u4e2a\u64cd\u4f5c\u4e2d\u6267\u884c\u3002\u901a\u8fc7\u81ea\u5b9a\u4e49Lua\u811a\u672c\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u591a\u4e2aRedis\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u539f\u5b50\u7684\u64cd\u4f5c\uff0c\u4ece\u800c\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Lua\u811a\u672c\u7684\u4f8b\u5b50\uff1a<\/p>\n
redis.call('WATCH', KEYS[1])\n\nif redis.call('GET', KEYS[1]) == ARGV[1] then\n    redis.call('MULTI')\n    redis.call('SET', KEYS[1], ARGV[2])\n    redis.call('SET', KEYS[2], ARGV[3])\n    redis.call('EXEC')\nend\n\nredis.call('UNWATCH')<\/pre>\n
\u5728\u4e0a\u8ff0\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Lua\u811a\u672c\u6765\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\uff0c\u5728\u4e8b\u52a1\u5f00\u59cb\u4e4b\u524d\uff0c\u4f7f\u7528WATCH\u6307\u4ee4\u76d1\u542ckey\u7684\u72b6\u6001\u3002\u5728\u6267\u884c\u4e4b\u540e\uff0c\u901a\u8fc7UNWATCH\u6307\u4ee4\u6765\u53d6\u6d88\u5bf9key\u7684\u76d1\u542c\u3002\u901a\u8fc7Lua\u811a\u672c\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u591a\u4e2aRedis\u547d\u4ee4\u6253\u5305\u6210\u4e00\u4e2a\u539f\u5b50\u7684\u64cd\u4f5c\uff0c\u4ece\u800c\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002<\/p>\n
\u603b\u7ed3<\/p>\n
Redis\u7684\u4e8b\u52a1\u6a21\u578b\u662f\u6279\u91cf\u64cd\u4f5c\uff0c\u4fdd\u8bc1\u4e86\u4e8b\u52a1\u7684\u5b8c\u6574\u6027\u3002\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e8b\u52a1\u64cd\u4f5c\u7684\u6570\u636e\u53ef\u80fd\u5206\u5e03\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e2d\uff0c\u56e0\u6b64\u9700\u8981\u4e00\u79cd\u673a\u5236\u6765\u4fdd\u8bc1\u5206\u5e03\u5f0f\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u3002Redis\u63d0\u4f9b\u4e86\u4e09\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff1aWATCH\u547d\u4ee4\u3001\u4e8b\u52a1\u9501\u548cLua\u811a\u672c\u3002\u9009\u62e9\u4f55\u79cd\u65b9\u5f0f\u9700\u8981\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u6765\u8fdb\u884c\u9009\u62e9\u3002<\/p>\n
\n
\n <\/dt>\n
\n   Redis\u5b9e\u73b0\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u8be6\u89e3\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   Go\u8bed\u8a00\u5728\u667a\u80fd\u9501\u9886\u57df\u7684\u5e94\u7528\u53ca\u4f18\u52bf\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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