{"id":161573,"date":"2024-11-04T07:33:25","date_gmt":"2024-11-03T23:33:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161573\/"},"modified":"2024-11-04T07:33:26","modified_gmt":"2024-11-03T23:33:26","slug":"%e5%9f%ba%e6%96%bc-redis-%e6%a7%8b%e5%bb%ba%e7%a9%8d%e5%88%86%e6%8e%92%e8%a1%8c%e6%a6%9c%ef%bc%88redis-%e8%a8%ad%e8%a8%88%e6%8e%92%e8%a1%8c%e6%a6%9c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161573\/","title":{"rendered":"\u57fa\u65bc Redis \u69cb\u5efa\u7a4d\u5206\u6392\u884c\u699c\uff08redis \u8a2d\u8a08\u6392\u884c\u699c\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e6%a7%8b%e5%bb%ba%e7%a9%8d%e5%88%86%e6%8e%92%e8%a1%8c%e6%a6%9c%ef%bc%88redis-%e8%a8%ad%e8%a8%88%e6%8e%92%e8%a1%8c%e6%a6%9c%ef%bc%89-RidbHhWWUt\">\u57fa\u65bc Redis \u69cb\u5efa\u7a4d\u5206\u6392\u884c\u699c\uff08redis \u8a2d\u8a08\u6392\u884c\u699c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u5b57\u6642\u4ee3\uff0c\u7a4d\u5206\u6392\u884c\u699c\u5df2\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u548c\u904a\u6232\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u9019\u4e9b\u6392\u884c\u699c\u4e0d\u50c5\u80fd\u5920\u6fc0\u52f5\u7528\u6236\u53c3\u8207\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u7684\u5fe0\u8aa0\u5ea6\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u51fa\u8272\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u69cb\u5efa\u7a4d\u5206\u6392\u884c\u699c\u7684\u7406\u60f3\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bc Redis \u8a2d\u8a08\u548c\u5be6\u73fe\u4e00\u500b\u9ad8\u6548\u7684\u7a4d\u5206\u6392\u884c\u699c\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis%ef%bc%9f-RidbHhWWUt\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis\uff1f<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u5ef6\u9072\u8655\u7406\u6578\u767e\u842c\u6b21\u8acb\u6c42\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u5834\u666f\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\u9748\u6d3b\uff1a<\/strong>Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\uff0c\u9019\u4f7f\u5f97\u5b83\u80fd\u5920\u9748\u6d3b\u5730\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis \u63d0\u4f9b\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u80fd\u5920\u5728\u7cfb\u7d71\u91cd\u555f\u5f8c\u4fdd\u7559\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a8%ad%e8%a8%88%e7%a9%8d%e5%88%86%e6%8e%92%e8%a1%8c%e6%a6%9c%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-RidbHhWWUt\">\u8a2d\u8a08\u7a4d\u5206\u6392\u884c\u699c\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u5728\u8a2d\u8a08\u7a4d\u5206\u6392\u884c\u699c\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u4f7f\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u7528\u6236\u7684\u7a4d\u5206\u3002\u6bcf\u500b\u7528\u6236\u7684 ID \u4f5c\u70ba\u6210\u54e1\uff0c\u7a4d\u5206\u4f5c\u70ba\u5206\u6578\u3002<\/li>\n<li><strong>\u6392\u884c\u699c\u7684\u66f4\u65b0\uff1a<\/strong>\u7576\u7528\u6236\u7372\u5f97\u65b0\u7a4d\u5206\u6642\uff0c\u9700\u66f4\u65b0\u5176\u5728\u6709\u5e8f\u96c6\u5408\u4e2d\u7684\u5206\u6578\u3002<\/li>\n<li><strong>\u6392\u884c\u699c\u7684\u67e5\u8a62\uff1a<\/strong>\u9700\u8981\u80fd\u5920\u5feb\u901f\u67e5\u8a62\u524d N \u540d\u7528\u6236\u53ca\u5176\u7a4d\u5206\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%a4%ba%e4%be%8b-RidbHhWWUt\">\u5be6\u73fe\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc Redis \u7684\u7c21\u55ae\u7a4d\u5206\u6392\u884c\u699c\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u66f4\u65b0\u7528\u6236\u7a4d\u5206\ndef update_score(user_id, score):\n    r.zincrby('leaderboard', score, user_id)\n\n# \u7372\u53d6\u6392\u884c\u699c\u524d N \u540d\ndef get_top_n(n):\n    return r.zrevrange('leaderboard', 0, n-1, withscores=True)\n\n# \u793a\u4f8b\uff1a\u66f4\u65b0\u7528\u6236\u7a4d\u5206\nupdate_score('user1', 100)\nupdate_score('user2', 200)\nupdate_score('user3', 150)\n\n# \u7372\u53d6\u524d 3 \u540d\u7528\u6236\ntop_users = get_top_n(3)\nfor user in top_users:\n    print(f'\u7528\u6236: {user[0].decode(\"utf-8\")}, \u7a4d\u5206: {user[1]}')\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230 Redis\uff0c\u7136\u5f8c\u5b9a\u7fa9\u4e86\u5169\u500b\u51fd\u6578\uff1a\u4e00\u500b\u7528\u65bc\u66f4\u65b0\u7528\u6236\u7684\u7a4d\u5206\uff0c\u53e6\u4e00\u500b\u7528\u65bc\u7372\u53d6\u6392\u884c\u699c\u7684\u524d N \u540d\u7528\u6236\u3002\u4f7f\u7528 Redis \u7684 <code>zincrby<\/code> \u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u66f4\u65b0\u7528\u6236\u7684\u7a4d\u5206\uff0c\u800c <code>zrevrange<\/code> \u65b9\u6cd5\u5247\u7528\u65bc\u67e5\u8a62\u6392\u884c\u699c\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-RidbHhWWUt\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u7a4d\u5206\u6392\u884c\u699c\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u6279\u91cf\u66f4\u65b0\uff1a<\/strong>\u5982\u679c\u9700\u8981\u540c\u6642\u66f4\u65b0\u591a\u500b\u7528\u6236\u7684\u7a4d\u5206\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 Redis \u7684\u4e8b\u52d9\u529f\u80fd\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\uff1a<\/strong>\u5982\u679c\u6392\u884c\u699c\u7684\u6578\u64da\u91cf\u975e\u5e38\u5927\uff0c\u53ef\u4ee5\u8003\u616e\u5b9a\u671f\u6e05\u7406\u4e0d\u6d3b\u8e8d\u7528\u6236\u7684\u6578\u64da\uff0c\u4ee5\u4fdd\u6301\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-RidbHhWWUt\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u69cb\u5efa\u7a4d\u5206\u6392\u884c\u699c\u662f\u4e00\u500b\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5229\u7528 Redis \u7684\u6709\u5e8f\u96c6\u5408\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u7528\u6236\u7a4d\u5206\u7684\u66f4\u65b0\u548c\u6392\u884c\u699c\u7684\u67e5\u8a62\u3002\u9019\u7a2e\u8a2d\u8a08\u4e0d\u50c5\u80fd\u5920\u6eff\u8db3\u9ad8\u6027\u80fd\u7684\u9700\u6c42\uff0c\u9084\u80fd\u5920\u9748\u6d3b\u61c9\u5c0d\u4e0d\u540c\u7684\u61c9\u7528\u5834\u666f\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u7684\u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u60a8\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u57fa\u65bc Redis \u8a2d\u8a08\u9ad8\u6548\u7684\u7a4d\u5206\u6392\u884c\u699c\uff0c\u5be6\u73fe\u5373\u6642\u6578\u64da\u66f4\u65b0\u8207\u5feb\u901f\u67e5\u8a62\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-161573","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161573","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=161573"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161573\/revisions"}],"predecessor-version":[{"id":161574,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161573\/revisions\/161574"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}