{"id":201835,"date":"2025-05-10T13:03:40","date_gmt":"2025-05-10T05:03:40","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201835\/"},"modified":"2025-05-10T13:03:40","modified_gmt":"2025-05-10T05:03:40","slug":"redis%e5%ae%9e%e7%8e%b0%e5%ae%9e%e6%97%b6%e6%95%b0%e6%8d%ae%e5%90%8c%e6%ad%a5%e7%9a%84%e6%96%b9%e6%b3%95%e4%b8%8e%e5%ba%94%e7%94%a8%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201835\/","title":{"rendered":"Redis\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b"},"content":{"rendered":"

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

Redis\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b<\/h1>\n

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aRedis\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b\u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6570\u636e\u5e93<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n

Redis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u952e-\u503c(Key-Value)\u5b58\u50a8\u7cfb\u7edf\uff0c\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5e76\u63d0\u4f9b\u4e86\u5f88\u591a\u6709\u7528\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u4e8b\u52a1\u3001\u811a\u672c\u3001LRU\u56de\u6536\u7b49\u3002\u5176\u4e2d\uff0cRedis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u662f\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u91cd\u8981\u65b9\u5f0f\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRedis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u4f8b\u5e94\u7528\u573a\u666f\u3002<\/p>\n

\u4e00\u3001Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236<\/p>\n

\u5728Redis\u4e2d\uff0c\u53d1\u5e03\u8005(Publisher)\u53ef\u4ee5\u5411\u4efb\u610f\u4e00\u4e2a\u9891\u9053(Channel)\u53d1\u9001\u6d88\u606f(Message)\uff0c\u800c\u8ba2\u9605\u8005(Subscriber)\u5219\u53ef\u4ee5\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2a\u9891\u9053\uff0c\u5e76\u63a5\u6536\u9891\u9053\u4e2d\u7684\u6d88\u606f\u3002\u8fd9\u79cd\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u7c7b\u4f3c\u4e8e\u7535\u89c6\u53f0\u7684\u5e7f\u64ad\uff0c\u8ba2\u9605\u8005\u53ef\u4ee5\u9009\u62e9\u6536\u542c\u4e00\u4e2a\u6216\u591a\u4e2a\u7535\u89c6\u53f0\u7684\u8282\u76ee\uff0c\u800c\u6bcf\u4e2a\u7535\u89c6\u53f0\u53ef\u4ee5\u5411\u6240\u6709\u6536\u542c\u8005\u5e7f\u64ad\u5b83\u4eec\u7684\u8282\u76ee\u3002<\/p>\n

\u4e0b\u9762\u662fRedis\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u7684\u57fa\u672c\u7528\u6cd5\uff1a<\/p>\n

    \n
  1. \u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2a\u9891\u9053<\/li>\n<\/ol>\n
    SUBSCRIBE channel1 channel2 ...<\/pre>\n
      \n
    1. \u53d1\u5e03\u6d88\u606f\u5230\u6307\u5b9a\u9891\u9053<\/li>\n<\/ol>\n
      PUBLISH channel message<\/pre>\n
      \u5176\u4e2d\uff0cchannel<\/code>\u662f\u9891\u9053\u540d\uff0cmessage<\/code>\u662f\u5f85\u53d1\u9001\u7684\u6d88\u606f\u5185\u5bb9\u3002<\/p>\n
      \u4e0b\u9762\u662f\u4e00\u6bb5\u793a\u4f8b\u4ee3\u7801\uff0c\u5b83\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\uff1a<\/p>\n
      import redis\n\n# \u521b\u5efa Redis \u5ba2\u6237\u7aef\nclient = redis.Redis(host='localhost', port=6379)\n\n# \u8ba2\u9605\u9891\u9053\nps = client.pubsub()\nps.subscribe('channel')\n\n# \u63a5\u6536\u6d88\u606f\nfor item in ps.listen():\n    if item['type'] == 'message':\n        print(item['channel'], item['data'])<\/pre>\n
      \u4e8c\u3001\u5e94\u7528\u5b9e\u4f8b<\/p>\n
      \u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e2a\u4f7f\u7528Redis\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u5b9e\u4f8b\u3002\u5047\u8bbe\u6709\u4e00\u4e2a\u5728\u7ebf\u804a\u5929\u5ba4\uff0c\u591a\u4e2a\u7528\u6237\u53ef\u4ee5\u5728\u804a\u5929\u5ba4\u5185\u53d1\u9001\u6d88\u606f\u5e76\u63a5\u6536\u5176\u4ed6\u7528\u6237\u53d1\u9001\u7684\u6d88\u606f\u3002\u4e3a\u4e86\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u3002\u5177\u4f53\u5b9e\u73b0\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n
        \n
      1. \u7528\u6237\u53d1\u9001\u6d88\u606f\uff0c\u5c06\u5176\u5b58\u50a8\u5728Redis\u961f\u5217(\u4f8b\u5982List)\u4e2d\uff0c\u961f\u5217\u540d\u4e3achat_messages<\/code>\u3002<\/li>\n<\/ol>\n
        import redis\n\n# \u521b\u5efa Redis \u5ba2\u6237\u7aef\nclient = redis.Redis(host='localhost', port=6379)\n\n# \u7528\u6237\u53d1\u9001\u6d88\u606f\nmessage = 'Hello world!'\nclient.rpush('chat_messages', message)<\/pre>\n
          \n
        1. \u542f\u52a8\u4e00\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\uff0c\u4ece\u961f\u5217\u4e2d\u8bfb\u53d6\u6d88\u606f\uff0c\u5e76\u901a\u8fc7Redis\u5c06\u5176\u53d1\u5e03\u5230\u9891\u9053chat_room<\/code>\u4e2d\u3002<\/li>\n<\/ol>\n
          import redis\nimport threading\n\n# \u521b\u5efa Redis \u5ba2\u6237\u7aef\nclient = redis.Redis(host='localhost', port=6379)\n\n# \u5de5\u4f5c\u7ebf\u7a0b\uff0c\u4ece\u961f\u5217\u4e2d\u8bfb\u53d6\u6d88\u606f\u5e76\u53d1\u5e03\u5230\u9891\u9053\u4e2d\ndef worker():\n    while True:\n        message = client.lpop('chat_messages')\n        if message:\n            client.publish('chat_room', message)\n\n# \u542f\u52a8\u5de5\u4f5c\u7ebf\u7a0b\nt = threading.Thread(target=worker)\nt.start()<\/pre>\n
            \n
          1. \u7528\u6237\u8ba2\u9605\u9891\u9053chat_room<\/code>\uff0c\u63a5\u6536\u5176\u4ed6\u7528\u6237\u53d1\u9001\u7684\u6d88\u606f\u3002<\/li>\n<\/ol>\n
            import redis\n\n# \u521b\u5efa Redis \u5ba2\u6237\u7aef\nclient = redis.Redis(host='localhost', port=6379)\n\n# \u8ba2\u9605\u9891\u9053\u5e76\u63a5\u6536\u6d88\u606f\nps = client.pubsub()\nps.subscribe('chat_room')\n\nfor item in ps.listen():\n    if item['type'] == 'message':\n        print(item['data'])<\/pre>\n
            \u901a\u8fc7\u8fd9\u4e2a\u5b9e\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u975e\u5e38\u65b9\u4fbf\u3002\u53ea\u9700\u8981\u5c06\u6d88\u606f\u5b58\u50a8\u5230\u961f\u5217\u4e2d\uff0c\u7136\u540e\u542f\u52a8\u4e00\u4e2a\u5de5\u4f5c\u7ebf\u7a0b\u5c06\u5176\u53d1\u5e03\u5230\u9891\u9053\u4e2d\uff0c\u7528\u6237\u518d\u8ba2\u9605\u9891\u9053\u63a5\u6536\u6d88\u606f\u5373\u53ef\u3002<\/p>\n
            \u603b\u7ed3<\/p>\n
            Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u662f\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u4e00\u79cd\u91cd\u8981\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u6d88\u606f\u4f20\u9012\u3001\u4e8b\u4ef6\u901a\u77e5\u7b49\u529f\u80fd\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u5c06\u53d1\u5e03\u8005\u548c\u8ba2\u9605\u8005\u90e8\u7f72\u5728\u4e0d\u540c\u7684\u8282\u70b9\u4e0a\uff0c\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\u6027\u548c\u8d1f\u8f7d\u5747\u8861\u7b49\u9700\u6c42\u3002\u5728\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u673a\u5236\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4fdd\u62a4\u5b89\u5168\u6027\uff0c\u907f\u514d\u672a\u6388\u6743\u8ba2\u9605\u548c\u53d1\u5e03\u7b49\u98ce\u9669\u3002<\/p>\n
            \n
            \n <\/dt>\n
            \n   Redis\u5728\u6570\u636e\u7edf\u8ba1\u548c\u5206\u6790\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b\n <\/dd>\n<\/dl>\n
            \n
            \n <\/dt>\n
            \n   \u5982\u4f55\u5728Go\u4e2d\u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            Redis\u5b9e\u73b0\u5b9e\u65f6\u6570\u636e\u540c\u6b65\u7684\u65b9\u6cd5...<\/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-201835","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201835","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=201835"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201835\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}