{"id":166565,"date":"2024-11-05T17:17:23","date_gmt":"2024-11-05T09:17:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166565\/"},"modified":"2024-11-05T17:17:24","modified_gmt":"2024-11-05T09:17:24","slug":"%e5%bf%ab%e9%80%9f%e7%b4%a2%e5%bc%95redis%e7%9a%84%e6%95%b8%e5%80%89%e5%ba%ab%e6%b5%b7%e9%87%8fkey%e4%b9%8b%e6%8e%a2%e7%b4%a2%ef%bc%88redis%e6%b5%b7%e9%87%8fkey%e6%9f%a5%e6%89%be%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166565\/","title":{"rendered":"\u5feb\u901f\u7d22\u5f15Redis\u7684\u6578\u5009\u5eab\u6d77\u91cfKey\u4e4b\u63a2\u7d22\uff08redis\u6d77\u91cfkey\u67e5\u627e\uff09"},"content":{"rendered":"<h1 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id=\"%e6%b5%b7%e9%87%8fkey%e7%9a%84%e6%8c%91%e6%88%b0-nAITHcsUKw\">\u6d77\u91cfKey\u7684\u6311\u6230<\/h2>\n<p>\u7576Redis\u4e2d\u5b58\u5132\u7684Key\u6578\u91cf\u9054\u5230\u6578\u767e\u842c\u751a\u81f3\u6578\u5343\u842c\u6642\uff0c\u67e5\u627e\u7279\u5b9aKey\u7684\u6548\u7387\u53ef\u80fd\u6703\u53d7\u5230\u5f71\u97ff\u3002\u9019\u662f\u56e0\u70baRedis\u5728\u67e5\u627eKey\u6642\u9700\u8981\u904d\u6b77\u6574\u500b\u6578\u64da\u96c6\uff0c\u9019\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u7d22\u5f15\u548c\u67e5\u627e\u9019\u4e9bKey\u6210\u70ba\u4e86\u958b\u767c\u8005\u9700\u8981\u89e3\u6c7a\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e7%9a%84%e7%ad%96%e7%95%a5-nAITHcsUKw\">\u5feb\u901f\u67e5\u627e\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redis%e7%9a%84scan%e5%91%bd%e4%bb%a4-nAITHcsUKw\">1. \u4f7f\u7528Redis\u7684SCAN\u547d\u4ee4<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684Key\u3002\u8207KEYS\u547d\u4ee4\u4e0d\u540c\uff0cSCAN\u547d\u4ee4\u4e0d\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u7684Key\uff0c\u800c\u662f\u5206\u6279\u8fd4\u56de\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002\u4ee5\u4e0b\u662fSCAN\u547d\u4ee4\u7684\u57fa\u672c\u7528\u6cd5\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0ccursor\u662f\u6e38\u6a19\uff0cMATCH\u7528\u65bc\u5339\u914d\u7279\u5b9a\u6a21\u5f0f\u7684Key\uff0cCOUNT\u5247\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684Key\u6578\u91cf\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u5728\u6d77\u91cfKey\u4e2d\u9032\u884c\u67e5\u627e\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%93%88%e5%b8%8c%e8%a1%a8%e9%80%b2%e8%a1%8c%e5%88%86%e7%b5%84-nAITHcsUKw\">2. \u4f7f\u7528\u54c8\u5e0c\u8868\u9032\u884c\u5206\u7d44<\/h3>\n<p>\u5c07\u76f8\u95dc\u7684Key\u5b58\u5132\u5728\u54c8\u5e0c\u8868\u4e2d\uff0c\u53ef\u4ee5\u901a\u904e\u54c8\u5e0c\u8868\u7684Key\u4f86\u5feb\u901f\u5b9a\u4f4d\u5230\u5177\u9ad4\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u7528\u6236\u6578\u64da\u7684\u96c6\u5408\uff0c\u53ef\u4ee5\u5c07\u7528\u6236ID\u4f5c\u70ba\u54c8\u5e0c\u8868\u7684Key\uff0c\u4e26\u5c07\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\u4f5c\u70ba\u54c8\u5e0c\u8868\u7684\u503c\u3002\u9019\u6a23\u53ef\u4ee5\u901a\u904e\u7528\u6236ID\u5feb\u901f\u67e5\u627e\u7528\u6236\u4fe1\u606f\u3002<\/p>\n<pre><code>HSET user:1001 name \"Alice\" age 30<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b-nAITHcsUKw\">3. \u4f7f\u7528Redis\u7684\u6578\u64da\u7d50\u69cb<\/h3>\n<p>\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\u4e5f\u80fd\u63d0\u9ad8\u67e5\u627e\u6548\u7387\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09\u4f86\u5b58\u5132\u9700\u8981\u6392\u5e8f\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u901a\u904e\u5206\u6578\uff08score\uff09\u4f86\u5feb\u901f\u67e5\u627e\u7bc4\u570d\u5167\u7684Key\u3002<\/p>\n<pre><code>ZADD leaderboard 100 \"Alice\"<\/code><\/pre>\n<h2 id=\"%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e5%bb%ba%e8%ad%b0-nAITHcsUKw\">\u6027\u80fd\u512a\u5316\u5efa\u8b70<\/h2>\n<ul>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u7121\u7528Key\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684Key\uff0c\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u63d0\u9ad8\u67e5\u627e\u6548\u7387\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u6aa2\u67e5\u6027\u80fd\u6307\u6a19\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<\/ul>\n<h2 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