{"id":202242,"date":"2025-05-10T10:29:34","date_gmt":"2025-05-10T02:29:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202242\/"},"modified":"2025-05-10T10:29:34","modified_gmt":"2025-05-10T02:29:34","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%ae%9e%e7%8e%b0%e6%8e%92%e8%a1%8c%e6%a6%9c%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202242\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300a\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n

Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u6027\u548c\u6613\u4e8e\u4f7f\u7528\u7b49\u4f18\u70b9\uff0c\u5e76\u4e14\u652f\u6301\u952e\u503c\u5bf9\u548c\u591a\u79cd\u6570\u636e\u7ed3\u6784\u7684\u5b58\u50a8\u3002Redis\u4e2d\u7684\u6709\u5e8f\u96c6\u5408\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\uff0c\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u6392\u884c\u699c\u529f\u80fd\u5b9e\u73b0\u539f\u7406<\/p>\n

Redis\u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u96c6\u5408\uff0c\u5b83\u4e0e\u666e\u901a\u7684Set\u7c7b\u4f3c\uff0c\u4ecd\u7136\u662f\u4fdd\u8bc1\u5185\u90e8\u6240\u6709\u5143\u7d20\u7684\u552f\u4e00\u6027\uff0c\u4f46\u533a\u522b\u5728\u4e8e\u6709\u5e8f\u96c6\u5408\u5185\u90e8\u7684\u6bcf\u4e2a\u5143\u7d20\u8fd8\u8981\u5173\u8054\u4e00\u4e2a\u5206\u6570\uff0c\u7528\u4e8e\u6392\u5e8f\u3002Redis\u7684\u6709\u5e8f\u96c6\u5408\u91c7\u7528\u7684\u662f\u8df3\u8dc3\u8868\uff08Skip List\uff09\u6570\u636e\u7ed3\u6784\u5b9e\u73b0\uff0c\u5177\u6709\u9ad8\u6548\u7684\u67e5\u627e\u548c\u63d2\u5165\u6027\u80fd\u3002<\/p>\n

\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\u7684\u5177\u4f53\u505a\u6cd5\u662f\uff0c\u5c06\u6bcf\u4e2a\u53c2\u4e0e\u6392\u884c\u699c\u6d3b\u52a8\u7684\u7528\u6237\u4f5c\u4e3a\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u5143\u7d20\u5206\u6570\u5373\u4e3a\u7528\u6237\u5f97\u5206\u3002\u6392\u884c\u699c\u53ef\u4ee5\u6309\u7167\u5206\u6570\u7684\u5927\u5c0f\u8fdb\u884c\u6392\u5e8f\uff0c\u6bd4\u5982\u4ece\u9ad8\u5230\u4f4e\u6216\u8005\u4ece\u4f4e\u5230\u9ad8\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u53ef\u4ee5\u5b9e\u73b0\u6392\u540d\u7684\u589e\u52a0\u6216\u8005\u51cf\u5c11\uff0c\u6392\u540d\u7684\u67e5\u8be2\u7b49\u529f\u80fd\u3002<\/p>\n

\u4e8c\u3001\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd<\/p>\n

\u4e0b\u9762\u662f\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\u7684\u6b65\u9aa4\u548c\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n

1\u3001\u8fde\u63a5Redis Server<\/p>\n

\u9996\u5148\u9700\u8981\u8fde\u63a5Redis Server\uff0c\u4f7f\u7528Redis\u5ba2\u6237\u7aef\u7a0b\u5e8f\u53ef\u4ee5\u5feb\u901f\u3001\u53ef\u9760\u5730\u8fde\u63a5\u548c\u64cd\u4f5cRedis\u6570\u636e\u5e93\u3002Redis\u652f\u6301\u591a\u79cd\u5ba2\u6237\u7aef\u63a5\u53e3\uff0c\u5305\u62ecPython\u3001Java\u3001Ruby\u3001PHP\u7b49\u8bed\u8a00\u7684\u5ba2\u6237\u7aefAPI\u3001Redis\u547d\u4ee4\u884c\u5ba2\u6237\u7aef\u3001Redis Desktop Manager\u7b49\u53ef\u89c6\u5316\u5de5\u5177\u3002<\/p>\n

\u4ee5Python\u4e3a\u4f8b\uff0c\u4f7f\u7528redis-py\u4f5c\u4e3aRedis\u5ba2\u6237\u7aef\u5e93\u8fde\u63a5Redis Server\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

import redis\n\nredis_host = \"127.0.0.1\"\nredis_port = 6379\nredis_password = \"\"\n\nredis_conn = redis.Redis(host=redis_host, port=redis_port, password=redis_password)<\/pre>\n
2\u3001\u6dfb\u52a0\u53c2\u4e0e\u6d3b\u52a8\u7684\u7528\u6237<\/p>\n
\u4f7f\u7528Redis\u7684zadd\u547d\u4ee4\u5c06\u7528\u6237\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
redis_conn.zadd(\"ranking\", {\"user1\": 100, \"user2\": 200, \"user3\": 300})<\/pre>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u4e09\u4e2a\u7528\u6237\u6dfb\u52a0\u5230\u6392\u884c\u699c\u4e2d\uff0c\u5176\u4e2d\u5206\u6570\u5206\u522b\u4e3a100\u3001200\u3001300\u3002<\/p>\n
3\u3001\u67e5\u8be2\u7528\u6237\u6392\u540d<\/p>\n
\u4f7f\u7528Redis\u7684zrevrank\u547d\u4ee4\u67e5\u8be2\u67d0\u4e2a\u7528\u6237\u7684\u6392\u540d\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
user_rank = redis_conn.zrevrank(\"ranking\", \"user1\")\nprint(\"user1's rank is %d\" % (user_rank+1))<\/pre>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u67e5\u8be2\u7528\u6237user1\u7684\u6392\u540d\uff0c\u5e76\u8f93\u51fa\u6392\u540d\u7ed3\u679c\u3002<\/p>\n
4\u3001\u67e5\u8be2\u7528\u6237\u5f97\u5206<\/p>\n
\u4f7f\u7528Redis\u7684zscore\u547d\u4ee4\u67e5\u8be2\u67d0\u4e2a\u7528\u6237\u7684\u5f97\u5206\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
user_score = redis_conn.zscore(\"ranking\", \"user1\")\nprint(\"user1's score is %d\" % user_score)<\/pre>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u67e5\u8be2\u7528\u6237user1\u7684\u5f97\u5206\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
5\u3001\u66f4\u65b0\u7528\u6237\u5f97\u5206<\/p>\n
\u4f7f\u7528Redis\u7684zincrby\u547d\u4ee4\u53ef\u4ee5\u4e3a\u67d0\u4e2a\u7528\u6237\u589e\u52a0\u6216\u51cf\u5c11\u5f97\u5206\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
redis_conn.zincrby(\"ranking\", increment=50, value=\"user1\")<\/pre>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u7528\u6237user1\u7684\u5f97\u5206\u589e\u52a050\u5206\u3002<\/p>\n
6\u3001\u67e5\u770b\u6392\u884c\u699c<\/p>\n
\u4f7f\u7528Redis\u7684zrevrange\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6392\u884c\u699c\uff0c\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
ranking_list = redis_conn.zrevrange(\"ranking\", 0, -1, withscores=True)\nfor index, item in enumerate(ranking_list):\n    print(\"%d. %s: %d\" % (index+1, item[0].decode(), item[1]))<\/pre>\n
\u4ee5\u4e0a\u4ee3\u7801\u5c06\u8f93\u51fa\u6309\u7167\u5f97\u5206\u4ece\u9ad8\u5230\u4f4e\u6392\u5e8f\u540e\u7684\u6240\u6709\u7528\u6237\u6392\u884c\u699c\u3002<\/p>\n
\u4ee5\u4e0a6\u4e2a\u6b65\u9aa4\u5373\u53ef\u5b9e\u73b0\u57fa\u672c\u7684\u6392\u884c\u699c\u529f\u80fd\u3002<\/p>\n
\u4e09\u3001\u9002\u7528\u573a\u666f<\/p>\n
\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u9700\u8981\u6309\u7167\u5f97\u5206\u6216\u8005\u5176\u4ed6\u89c4\u5219\u8fdb\u884c\u6392\u540d\u7684\u5e94\u7528\u573a\u666f\uff0c\u6bd4\u5982\u6e38\u620f\u6392\u884c\u699c\u3001\u8d22\u7ecf\u6392\u540d\u3001\u793e\u4ea4\u5a92\u4f53\u6d3b\u52a8\u6392\u540d\u7b49\u7b49\u3002<\/p>\n
\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\u5177\u6709\u9ad8\u6548\u3001\u53ef\u9760\u3001\u6613\u4e8e\u4f7f\u7528\u7b49\u4f18\u70b9\uff0c\u53ef\u4ee5\u5feb\u901f\u5b8c\u6210\u5f00\u53d1\u9700\u6c42\uff0c\u63d0\u9ad8\u5e94\u7528\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
\u603b\u7ed3<\/p>\n
\u672c\u6587\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd\uff0c\u4ee5\u53ca\u4f7f\u7528Python\u8bed\u8a00\u63d0\u4f9b\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002Redis\u7684\u6709\u5e8f\u96c6\u5408\u6570\u636e\u7ed3\u6784\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6392\u5e8f\u548c\u63d2\u5165\u529f\u80fd\uff0c\u4e3a\u6392\u884c\u699c\u7684\u5b9e\u73b0\u63d0\u4f9b\u4e86\u5f3a\u6709\u529b\u7684\u652f\u6301\u3002\u6392\u884c\u699c\u529f\u80fd\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u9700\u8981\u6392\u540d\u7684\u573a\u666f\uff0c\u4f7f\u7528Redis\u5b9e\u73b0\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\uff0c\u662f\u4e00\u79cd\u503c\u5f97\u63a8\u8350\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n
\n
\n <\/dt>\n
\n   Redis\uff1a\u9ad8\u901f\u7f13\u5b58\u6280\u672f\u7684\u5dc5\u5cf0\u4e4b\u4f5c\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   PHP\u5f00\u53d1\u4e2d\u5982\u4f55\u4f7f\u7528Memcache\u8fdb\u884c\u9ad8\u6548\u7684\u6570\u636e\u7f13\u5b58\u548c\u8ba1\u7b97\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6392\u884c\u699c\u529f\u80fd...<\/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-202242","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202242","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=202242"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202242\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}