{"id":202004,"date":"2025-05-10T13:54:38","date_gmt":"2025-05-10T05:54:38","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202004\/"},"modified":"2025-05-10T13:54:38","modified_gmt":"2025-05-10T05:54:38","slug":"%e4%bd%bf%e7%94%a8python%e5%92%8credis%e6%9e%84%e5%bb%ba%e5%ae%9e%e6%97%b6%e7%94%a8%e6%88%b7%e8%a1%8c%e4%b8%ba%e5%88%86%e6%9e%90%e7%b3%bb%e7%bb%9f%ef%bc%9a%e5%a6%82%e4%bd%95%e6%8f%90%e4%be%9b%e7%9b%ae","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202004\/","title":{"rendered":"\u4f7f\u7528Python\u548cRedis\u6784\u5efa\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\uff1a\u5982\u4f55\u63d0\u4f9b\u76ee\u6807\u7fa4\u4f53\u5206\u6790"},"content":{"rendered":"

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

\u4f7f\u7528Python\u548cRedis\u6784\u5efa\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\uff1a\u5982\u4f55\u63d0\u4f9b\u76ee\u6807\u7fa4\u4f53\u5206\u6790<\/h1>\n

\u6570\u636e\u5e93<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u4f7f\u7528Python\u548cRedis\u6784\u5efa\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\uff1a\u5982\u4f55\u63d0\u4f9b\u76ee\u6807\u7fa4\u4f53\u5206\u6790\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

\u4f7f\u7528Python\u548cRedis\u6784\u5efa\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\uff1a\u5982\u4f55\u63d0\u4f9b\u76ee\u6807\u7fa4\u4f53\u5206\u6790<\/p>\n

\u7b80\u4ecb\uff1a
\u5728\u5f53\u4eca\u6570\u5b57\u5316\u65f6\u4ee3\uff0c\u4f01\u4e1a\u548c\u7ec4\u7ec7\u9700\u8981\u66f4\u591a\u5730\u4e86\u89e3\u4ed6\u4eec\u7684\u7528\u6237\u548c\u987e\u5ba2\u3002\u7528\u6237\u884c\u4e3a\u5206\u6790\u662f\u4e00\u79cd\u7528\u4e8e\u7814\u7a76\u548c\u7406\u89e3\u7528\u6237\u5728\u7f51\u7ad9\u3001\u5e94\u7528\u7a0b\u5e8f\u6216\u5176\u4ed6\u6570\u5b57\u6e20\u9053\u4e0a\u7684\u884c\u4e3a\u7684\u65b9\u6cd5\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Python\u7f16\u7a0b\u8bed\u8a00\u548cRedis\u6570\u636e\u5e93\u6784\u5efa\u4e00\u4e2a\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\uff0c\u5e76\u5c55\u793a\u5982\u4f55\u4f7f\u7528\u8be5\u7cfb\u7edf\u6765\u63d0\u4f9b\u76ee\u6807\u7fa4\u4f53\u5206\u6790\u3002<\/p>\n

    \n
  1. \u7cfb\u7edf\u67b6\u6784\u548c\u6982\u8ff0
    \u6211\u4eec\u5c06\u4f7f\u7528Python\u548cRedis\u4f5c\u4e3a\u6784\u5efa\u8fd9\u4e2a\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\u7684\u5de5\u5177\u3002Python\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u4e14\u7b80\u5355\u6613\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u548c\u5206\u6790\u5927\u91cf\u7684\u6570\u636e\u3002Redis\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u5b83\u652f\u6301\u5feb\u901f\u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u5e76\u4e14\u5177\u6709\u5f88\u597d\u7684\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<\/ol>\n

    \u8fd9\u4e2a\u7cfb\u7edf\u7684\u67b6\u6784\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n

                                      +-------------------+\n                                  |    Python Code    |\n                                  +-------------------+\n                                  |  Redis Database  |\n                                  +-------------------+<\/pre>\n
      \n
    1. \u6570\u636e\u6536\u96c6
      \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u6536\u96c6\u7528\u6237\u884c\u4e3a\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728Redis\u6570\u636e\u5e93\u4e2d\u3002\u7528\u6237\u884c\u4e3a\u6570\u636e\u53ef\u4ee5\u6765\u81ea\u7f51\u7ad9\u7684\u65e5\u5fd7\u6587\u4ef6\u3001\u624b\u673a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e8b\u4ef6\u8ddf\u8e2a\u7b49\u3002\u6211\u4eec\u53ef\u4ee5\u7f16\u5199Python\u4ee3\u7801\u6765\u8bfb\u53d6\u8fd9\u4e9b\u6570\u636e\uff0c\u5e76\u4f7f\u7528Redis\u7684\u5ba2\u6237\u7aef\u5e93\u5c06\u5176\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/li>\n<\/ol>\n
      import redis\n\n# \u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5728Redis\u6570\u636e\u5e93\u4e2d\u5b58\u50a8\u7528\u6237\u884c\u4e3a\u6570\u636e\ndef store_user_behavior(user_id, behavior):\n    r.lpush(user_id, behavior)<\/pre>\n
      \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u7684list\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u6bcf\u4e2a\u7528\u6237\u7684\u884c\u4e3a\u6570\u636e\u3002\u901a\u8fc7\u4f7f\u7528lpush\u547d\u4ee4\uff0c\u53ef\u4ee5\u5c06\u65b0\u7684\u884c\u4e3a\u6570\u636e\u6dfb\u52a0\u5230\u5217\u8868\u7684\u5f00\u5934\u3002<\/p>\n
        \n
      1. \u76ee\u6807\u7fa4\u4f53\u5206\u6790
        \u4e00\u65e6\u6211\u4eec\u6709\u4e86\u8db3\u591f\u7684\u7528\u6237\u884c\u4e3a\u6570\u636e\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528Python\u6765\u8fdb\u884c\u76ee\u6807\u7fa4\u4f53\u5206\u6790\u3002\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u5c55\u793a\u5982\u4f55\u8ba1\u7b97\u7528\u6237\u5728\u7f51\u7ad9\u4e0a\u7684\u5e73\u5747\u505c\u7559\u65f6\u95f4\u3002<\/li>\n<\/ol>\n
        import redis\nimport datetime\n\n# \u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8ba1\u7b97\u7528\u6237\u7684\u5e73\u5747\u505c\u7559\u65f6\u95f4\ndef calculate_average_stay_time(user_id):\n    behaviors = r.lrange(user_id, 0, -1)\n    total_stay_time = datetime.timedelta()\n    count = 0\n    for i in range(len(behaviors)-1):\n        behavior = behaviors[i].decode('utf-8')\n        if 'visit' in behavior:\n            # \u83b7\u53d6\u505c\u7559\u65f6\u95f4\n            start_time = datetime.datetime.strptime(behavior.split(':')[1], '%Y-%m-%d %H:%M:%S.%f')\n            end_time = datetime.datetime.strptime(behaviors[i+1].decode('utf-8').split(':')[1], '%Y-%m-%d %H:%M:%S.%f')\n            stay_time = end_time - start_time\n            total_stay_time += stay_time\n            count += 1\n    average_stay_time = total_stay_time \/ count if count > 0 else datetime.timedelta(0)\n    return average_stay_time\n\n# \u793a\u4f8b\u7528\u6cd5\nuser_id = '1234'\naverage_stay_time = calculate_average_stay_time(user_id)\nprint(f\"\u5e73\u5747\u505c\u7559\u65f6\u95f4\uff1a{average_stay_time}\")<\/pre>\n
        \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u83b7\u53d6\u6307\u5b9a\u7528\u6237\u7684\u6240\u6709\u884c\u4e3a\u6570\u636e\uff0c\u5e76\u9010\u4e00\u904d\u5386\u6bcf\u4e2a\u884c\u4e3a\u3002\u6211\u4eec\u4f7f\u7528datetime\u6a21\u5757\u6765\u5904\u7406\u65f6\u95f4\u76f8\u5173\u7684\u8ba1\u7b97\u3002\u5982\u679c\u884c\u4e3a\u662f’visit’\uff0c\u6211\u4eec\u63d0\u53d6\u51fa\u505c\u7559\u65f6\u95f4\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u603b\u7684\u505c\u7559\u65f6\u95f4\u53d8\u91cf\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u8ba1\u7b97\u51fa\u5e73\u5747\u505c\u7559\u65f6\u95f4\u5e76\u8fd4\u56de\u3002<\/p>\n
        \u7ed3\u8bba\uff1a
        \u901a\u8fc7\u4f7f\u7528Python\u7f16\u7a0b\u8bed\u8a00\u548cRedis\u6570\u636e\u5e93\uff0c\u6211\u4eec\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\uff0c\u7528\u4e8e\u7814\u7a76\u548c\u7406\u89e3\u7528\u6237\u884c\u4e3a\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c55\u793a\u4e86\u5982\u4f55\u6536\u96c6\u7528\u6237\u884c\u4e3a\u6570\u636e\uff0c\u5e76\u4f7f\u7528Python\u8fdb\u884c\u76ee\u6807\u7fa4\u4f53\u5206\u6790\u7684\u793a\u4f8b\u3002\u8fd9\u53ea\u662f\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\u7684\u4e00\u4e2a\u7b80\u5355\u793a\u4f8b\uff0c\u5b9e\u9645\u4e0a\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7528\u9014\u548c\u529f\u80fd\u53ef\u4ee5\u5f00\u53d1\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u591f\u5e2e\u52a9\u60a8\u5f00\u59cb\u6784\u5efa\u81ea\u5df1\u7684\u5b9e\u65f6\u7528\u6237\u884c\u4e3a\u5206\u6790\u7cfb\u7edf\u3002<\/p>\n
        \n
        \n <\/dt>\n
        \n   \u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5b9e\u73b0\u7f13\u5b58\u9884\u52a0\u8f7d\u529f\u80fd\n <\/dd>\n<\/dl>\n
        \n
        \n <\/dt>\n
        \n   MySQL\u4e2d\u5982\u4f55\u5b9e\u73b0\u5206\u5e03\u5f0f\u4e8b\u52a1\u548c\u8de8\u8868\u67e5\u8be2\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u4f7f\u7528Python\u548cRedis\u6784\u5efa...<\/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-202004","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202004","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=202004"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202004\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}