{"id":201728,"date":"2025-05-10T09:44:37","date_gmt":"2025-05-10T01:44:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201728\/"},"modified":"2025-05-10T09:44:37","modified_gmt":"2025-05-10T01:44:37","slug":"redis%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e4%bb%bb%e5%8a%a1%e5%88%86%e5%8f%91%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\/201728\/","title":{"rendered":"Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b"},"content":{"rendered":"

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

Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b<\/h1>\n

golang\u5b66\u4e60\u7f51\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300aRedis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u65b9\u6cd5\u4e0e\u5e94\u7528\u5b9e\u4f8b\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

    \n
  1. \u524d\u8a00
    \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4efb\u52a1\u5206\u53d1\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u90e8\u5206\u3002\u4efb\u52a1\u5206\u53d1\u53ef\u4ee5\u4fdd\u8bc1\u4efb\u52a1\u5728\u4e0d\u540c\u8282\u70b9\u4e0a\u7684\u5747\u8861\u5206\u914d\uff0c\u53ef\u4ee5\u907f\u514d\u67d0\u4e2a\u8282\u70b9\u8d1f\u8f7d\u8fc7\u9ad8\u800c\u5bfc\u81f4\u7684\u6574\u4e2a\u7cfb\u7edf\u5d29\u6e83\u7684\u98ce\u9669\u3002<\/li>\n<\/ol>\n

    \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecdRedis\u7684\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u65b9\u6cd5\u5e76\u7ed3\u5408\u5e94\u7528\u5b9e\u4f8b\u8fdb\u884c\u6f14\u793a\u3002\u672c\u6587\u7684\u76ee\u7684\u662f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528Redis\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u4f18\u8d8a\u6027\u3002<\/p>\n

      \n
    1. Redis\u7684\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u65b9\u6cd5
      Redis\u662f\u4e00\u4e2a\u9ad8\u6548\u7684NoSQL\u6570\u636e\u5e93\uff0c\u5e38\u7528\u4f5c\u7f13\u5b58\u548c\u6570\u636e\u5b58\u50a8\u3002\u800c\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0cRedis\u8fd8\u53ef\u4ee5\u4f5c\u4e3a\u4efb\u52a1\u5206\u53d1\u7684\u4e2d\u5fc3\u63a7\u5236\u5668\uff0c\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u529f\u80fd\u3002<\/li>\n<\/ol>\n

      \u5728Redis\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u5b83\u63d0\u4f9b\u7684pub\/sub(\u53d1\u5e03\/\u8ba2\u9605)\u673a\u5236\u6765\u5b9e\u73b0\u4efb\u52a1\u5206\u53d1\u3002\u5177\u4f53\u5b9e\u73b0\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

      2.1 \u5c06\u4efb\u52a1\u6dfb\u52a0\u5230\u961f\u5217\u4e2d
      \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Redis\u7684LPUSH\u547d\u4ee4\u5c06\u65b0\u7684\u4efb\u52a1\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n

      LPUSH task_queue “task1”<\/p>\n

      2.2 \u53d1\u5e03\u4efb\u52a1
      \u5728\u5c06\u4efb\u52a1\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Redis\u7684PUBLISH\u547d\u4ee4\u53d1\u5e03\u8be5\u4efb\u52a1\u7684\u4fe1\u606f\uff0c\u5e76\u901a\u8fc7\u9891\u9053\u6765\u5411\u5176\u4ed6\u8282\u70b9\u5e7f\u64ad\u6b64\u4fe1\u606f\u3002\u4f8b\u5982\uff1a<\/p>\n

      PUBLISH task_channel “task1 is available”<\/p>\n

      2.3 \u8ba2\u9605\u4efb\u52a1
      \u5728\u8282\u70b9\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7Redis\u7684SUBSCRIBE\u547d\u4ee4\u8ba2\u9605\u8be5\u9891\u9053\u4fe1\u606f\u3002\u8fd9\u6837\u4e00\u6765\uff0c\u4e00\u65e6\u6709\u65b0\u4efb\u52a1\u53d1\u5e03\u5230\u9891\u9053\u4e2d\uff0c\u8ba2\u9605\u8005\u5c31\u53ef\u4ee5\u53ca\u65f6\u83b7\u53d6\u5e76\u5f00\u59cb\u6267\u884c\u4efb\u52a1\u3002\u4f8b\u5982\uff1a<\/p>\n

      SUBSCRIBE task_channel<\/p>\n

        \n
      1. \u5e94\u7528\u5b9e\u4f8b
        \u4e3a\u4e86\u66f4\u597d\u5730\u6f14\u793aRedis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u6bb5\u7b80\u5355\u7684\u4ee3\u7801\u6765\u6a21\u62df\u4e00\u4e2a\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u573a\u666f\u3002<\/li>\n<\/ol>\n

        \u6211\u4eec\u9996\u5148\u901a\u8fc7Python\u8bed\u8a00\u6765\u5b9e\u73b0\u53d1\u5e03\u4efb\u52a1\u7684\u4ee3\u7801\uff08\u53d1\u5e03\u8005\uff09\uff1a<\/p>\n

        import redis\n\nredis_client = redis.Redis(host='localhost', port=6379, db=0)\n\ntask_queue = ['task1', 'task2', 'task3', 'task4', 'task5']\n\nfor task in task_queue:\n    redis_client.lpush('task_queue', task)\n    redis_client.publish('task_channel', f'{task} is added to task_queue.')<\/pre>\n
        \u5728\u8be5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7Redis\u7684LPUSH\u547d\u4ee4\u5c065\u4e2a\u4efb\u52a1\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\uff0c\u5e76\u901a\u8fc7PUBLISH\u547d\u4ee4\u5411\u9891\u9053\u53d1\u5e03\u4efb\u52a1\u4fe1\u606f\u3002<\/p>\n
        \u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528Python\u8bed\u8a00\u6765\u5b9e\u73b0\u8ba2\u9605\u4efb\u52a1\u7684\u4ee3\u7801\uff08\u8ba2\u9605\u8005\uff09\uff1a<\/p>\n
        import redis\nimport time\n\nredis_client = redis.Redis(host='localhost', port=6379, db=0)\n\ntask_channel = redis_client.pubsub()\ntask_channel.subscribe('task_channel')\n\nwhile True:\n    for task in task_channel.listen():\n        if task['type'] == 'message':\n            task_info = task['data']\n            print(f'Received new task: {task_info}')\n            \n            task_name = str(task_info).split(''')[1]\n            print(f'Starting to process task: {task_name}')\n            \n            time.sleep(2)\n\nredis_client.unsubscribe('task_channel')<\/pre>\n
        \u5728\u8be5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7Redis\u7684SUBSCRIBE\u547d\u4ee4\u8ba2\u9605\u4e86\u9891\u9053\uff0c\u5e76\u901a\u8fc7\u76d1\u542c\u9891\u9053\u4fe1\u606f\u7684\u65b9\u5f0f\u6765\u83b7\u53d6\u6700\u65b0\u7684\u4efb\u52a1\u3002\u6bcf\u5f53\u8ba2\u9605\u8005\u83b7\u53d6\u5230\u65b0\u4efb\u52a1\u65f6\uff0c\u5c31\u4f1a\u5f00\u59cb\u6267\u884c\u8be5\u4efb\u52a1\u3002<\/p>\n
        \u4e3a\u4e86\u6a21\u62df\u5b9e\u9645\u60c5\u51b5\u4e2d\u7684\u4efb\u52a1\u5904\u7406\u65f6\u95f4\uff0c\u6211\u4eec\u5728\u5904\u7406\u4efb\u52a1\u65f6\u52a0\u5165\u4e86time.sleep()\u65b9\u6cd5\uff0c\u6bcf\u6b21\u5904\u7406\u4efb\u52a1\u9700\u8017\u8d392\u79d2\u7684\u65f6\u95f4\u3002<\/p>\n
        \u6700\u540e\uff0c\u6211\u4eec\u5c06\u8ba2\u9605\u8005\u7684\u4ee3\u7801\u8fd0\u884c\u8d77\u6765\uff0c\u5e76\u5728\u8fd0\u884c\u540e\u4e0d\u4e45\uff0c\u53d1\u5e03\u8005\u7684\u4ee3\u7801\u5c31\u5f00\u59cb\u5c06\u4efb\u52a1\u6dfb\u52a0\u5230\u961f\u5217\u4e2d\u5e76\u53d1\u9001\u5230\u9891\u9053\u4e2d\u3002<\/p>\n
          \n
        1. \u603b\u7ed3
          \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u4eceRedis\u7684pub\/sub\u673a\u5236\u51fa\u53d1\uff0c\u4ecb\u7ecd\u4e86Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u65b9\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u3002\u901a\u8fc7\u8fd9\u4e2a\u6848\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230Redis\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4f18\u8d8a\u7684\u6027\u80fd\u548c\u8303\u4f8b\u7684\u6613\u5b9e\u73b0\u6027\u3002<\/li>\n<\/ol>\n
          \u5f53\u7136\uff0cRedis\u7684\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u65b9\u6cd5\u5e76\u4e0d\u662f\u4e07\u80fd\u7684\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u6839\u636e\u5b9e\u9645\u9700\u6c42\u548c\u7cfb\u7edf\u7ed3\u6784\u6765\u9009\u62e9\u5408\u9002\u7684\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u65b9\u6848\u3002<\/p>\n
          \n
          \n <\/dt>\n
          \n   Redis\u7684\u6027\u80fd\u6d4b\u8bd5\u4e0e\u4f18\u5316\n <\/dd>\n<\/dl>\n
          \n
          \n <\/dt>\n
          \n   Redis\u5728\u79fb\u52a8\u7aef\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\u5b9e\u4f8b\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u5206\u53d1\u7684\u65b9...<\/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-201728","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201728","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=201728"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201728\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}