{"id":68503,"date":"2025-05-10T15:13:41","date_gmt":"2025-05-10T07:13:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/68503\/"},"modified":"2025-05-10T15:13:41","modified_gmt":"2025-05-10T07:13:41","slug":"redis%ef%bc%9a%e6%9e%84%e5%bb%ba%e9%ab%98%e5%8f%af%e9%9d%a0%e6%80%a7%e7%b3%bb%e7%bb%9f%e7%9a%84%e5%88%a9%e5%99%a8-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/68503\/","title":{"rendered":"Redis\uff1a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668"},"content":{"rendered":"

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

Redis\uff1a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668<\/h1>\n

\u5c0f\u4f19\u4f34\u4eec\u5bf9\u6570\u636e\u5e93\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aRedis\uff1a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5b83\u4ee5\u5176\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u9760\u6027\u800c\u95fb\u540d\u3002\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u800cRedis\u6b63\u662f\u4e00\u4e2a\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u5229\u5668\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f7f\u7528Redis\u6765\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5728\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6570\u636e\u5e93\u67e5\u8be2\u662f\u4e00\u4e2a\u975e\u5e38\u8017\u65f6\u7684\u64cd\u4f5c\u3002\u901a\u8fc7\u5c06\u67e5\u8be2\u7ed3\u679c\u7f13\u5b58\u5728Redis\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

import redis\n\n# \u8fde\u63a5Redis\u6570\u636e\u5e93\nredis_client = redis.Redis(host='localhost', port=6379, db=0)\n\ndef get_data_from_cache(key):\n    # \u5c1d\u8bd5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\n    data = redis_client.get(key)\n\n    if not data:\n        # \u5982\u679c\u7f13\u5b58\u4e2d\u6ca1\u6709\u6570\u636e\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\n        data = get_data_from_database(key)\n\n        # \u5c06\u6570\u636e\u5b58\u5165\u7f13\u5b58\uff0c\u6709\u6548\u671f\u8bbe\u7f6e\u4e3a60\u79d2\n        redis_client.set(key, data, ex=60)\n\n    return data<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u901a\u8fc7redis\u6a21\u5757\u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\u3002\u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570get_data_from_cache\u6765\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u9996\u5148\u5c1d\u8bd5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u6ca1\u6709\u6570\u636e\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\uff0c\u5e76\u5b58\u5165\u7f13\u5b58\u4e2d\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u6b21\u6570\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n
\u5176\u6b21\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u6765\u5b9e\u73b0\u4e00\u4e9b\u5b9e\u65f6\u66f4\u65b0\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5728\u7ebf\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5f53\u6709\u65b0\u7684\u6d88\u606f\u5230\u8fbe\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u5c06\u6d88\u606f\u5e7f\u64ad\u7ed9\u6240\u6709\u5728\u7ebf\u7528\u6237\uff0c\u4ee5\u5b9e\u65f6\u66f4\u65b0\u4ed6\u4eec\u7684\u804a\u5929\u7a97\u53e3\u3002<\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
import redis\nimport threading\n\n# \u8fde\u63a5Redis\u6570\u636e\u5e93\nredis_client = redis.Redis(host='localhost', port=6379, db=0)\n\ndef publish_message(channel, message):\n    # \u53d1\u5e03\u6d88\u606f\u5230\u6307\u5b9a\u7684\u9891\u9053\n    redis_client.publish(channel, message)\n\ndef handle_message(message):\n    # \u5904\u7406\u63a5\u6536\u5230\u7684\u6d88\u606f\n    print(\"Received message:\", message)\n\n# \u542f\u52a8\u4e00\u4e2a\u8ba2\u9605\u7ebf\u7a0b\ndef subscribe_channel(channel):\n    pubsub = redis_client.pubsub()\n    pubsub.subscribe(channel)\n\n    for message in pubsub.listen():\n        # \u5904\u7406\u63a5\u6536\u5230\u7684\u6d88\u606f\n        handle_message(message)\n\n# \u5728\u4e3b\u7ebf\u7a0b\u4e2d\u53d1\u5e03\u6d88\u606f\ndef main():\n    # \u53d1\u5e03\u4e00\u4e2a\u6d88\u606f\u5230\u540d\u4e3a\"chat\"\u7684\u9891\u9053\n    threading.Thread(target=subscribe_channel, args=(\"chat\",)).start()\n    publish_message(\"chat\", \"Hello, World!\")\n\nif __name__ == \"__main__\":\n    main()<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u901a\u8fc7redis\u6a21\u5757\u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\u3002\u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570publish_message\u6765\u53d1\u5e03\u6d88\u606f\u5230\u6307\u5b9a\u7684\u9891\u9053\u3002\u6211\u4eec\u8fd8\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570handle_message\u6765\u5904\u7406\u63a5\u6536\u5230\u7684\u6d88\u606f\u3002\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u8ba2\u9605\u7ebf\u7a0b\u6765\u76d1\u542c\u6307\u5b9a\u7684\u9891\u9053\uff0c\u5e76\u5728\u63a5\u6536\u5230\u6d88\u606f\u65f6\u8c03\u7528handle_message\u51fd\u6570\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
\u901a\u8fc7\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u66f4\u65b0\u7684\u529f\u80fd\uff0c\u5e76\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002<\/p>\n
\u9664\u4e86\u4e0a\u8ff0\u793a\u4f8b\u4e4b\u5916\uff0cRedis\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u529f\u80fd\uff0c\u4f8b\u5982\u4e8b\u52a1\u548c\u6301\u4e45\u5316\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u7cfb\u7edf\u7684\u53ef\u9760\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u529f\u80fd\u548c\u4f7f\u7528\u65b9\u6cd5\u3002<\/p>\n
\u603b\u7ed3\u800c\u8a00\uff0cRedis\u662f\u4e00\u4e2a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668\u3002\u901a\u8fc7\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42\u548c\u4f7f\u7528\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u7b49\u7279\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u672c\u6587\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5e0c\u671b\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\n
\n <\/dt>\n
\n   \u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   Redis\u5728\u5927\u6570\u636e\u5904\u7406\u4e2d\u7684\u4f5c\u7528\u53ca\u5e94\u7528\u573a\u666f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
Redis\uff1a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668 \u5c0f\u4f19\u4f34\u4eec\u5bf9\u6570\u636e\u5e93\u7f16\u7a0b\u611f\u5174\u8da3\u5417\uff1f\u662f\u5426\u6b63\u5728\u5b66\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff1f\u5982\u679c\u662f\uff0c\u90a3\u4e48\u672c\u6587\u300aRedis\uff1a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668\u300b\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff0c\u672c\u7bc7\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\u3002\u5728\u4e4b\u540e\u7684\u6587\u7ae0\u4e2d\u4e5f\u4f1a\u591a\u591a\u5206\u4eab\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff01 Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5b83\u4ee5\u5176\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u9760\u6027\u800c\u95fb\u540d\u3002\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\uff0c\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u800cRedis\u6b63\u662f\u4e00\u4e2a\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u5229\u5668\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f7f\u7528Redis\u6765\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u9996\u5148\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u5728\u8bb8\u591a\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u6570\u636e\u5e93\u67e5\u8be2\u662f\u4e00\u4e2a\u975e\u5e38\u8017\u65f6\u7684\u64cd\u4f5c\u3002\u901a\u8fc7\u5c06\u67e5\u8be2\u7ed3\u679c\u7f13\u5b58\u5728Redis\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u907f\u514d\u91cd\u590d\u7684\u6570\u636e\u5e93\u67e5\u8be2\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42\u7684\u793a\u4f8b\u4ee3\u7801\uff1a import redis # \u8fde\u63a5Redis\u6570\u636e\u5e93 redis_client = redis.Redis(host=’localhost’, port=6379, db=0) def get_data_from_cache(key): # \u5c1d\u8bd5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e data = redis_client.get(key) if not data: # \u5982\u679c\u7f13\u5b58\u4e2d\u6ca1\u6709\u6570\u636e\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2 data = get_data_from_database(key) # \u5c06\u6570\u636e\u5b58\u5165\u7f13\u5b58\uff0c\u6709\u6548\u671f\u8bbe\u7f6e\u4e3a60\u79d2 redis_client.set(key, data, ex=60) return data \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u901a\u8fc7redis\u6a21\u5757\u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\u3002\u7136\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570get_data_from_cache\u6765\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\u3002\u9996\u5148\u5c1d\u8bd5\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u6570\u636e\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u6ca1\u6709\u6570\u636e\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\uff0c\u5e76\u5b58\u5165\u7f13\u5b58\u4e2d\u3002\u8fd9\u6837\u505a\u53ef\u4ee5\u51cf\u5c11\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u6b21\u6570\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002 \u5176\u6b21\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u6765\u5b9e\u73b0\u4e00\u4e9b\u5b9e\u65f6\u66f4\u65b0\u7684\u573a\u666f\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5728\u7ebf\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5f53\u6709\u65b0\u7684\u6d88\u606f\u5230\u8fbe\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u5c06\u6d88\u606f\u5e7f\u64ad\u7ed9\u6240\u6709\u5728\u7ebf\u7528\u6237\uff0c\u4ee5\u5b9e\u65f6\u66f4\u65b0\u4ed6\u4eec\u7684\u804a\u5929\u7a97\u53e3\u3002 \u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Redis\u7684\u53d1\u5e03-\u8ba2\u9605\u529f\u80fd\u7684\u793a\u4f8b\u4ee3\u7801\uff1a import redis import threading # \u8fde\u63a5Redis\u6570\u636e\u5e93 redis_client = redis.Redis(host=’localhost’, port=6379, db=0) def publish_message(channel, message): # \u53d1\u5e03\u6d88\u606f\u5230\u6307\u5b9a\u7684\u9891\u9053 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-68503","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/68503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=68503"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/68503\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=68503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=68503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=68503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}