{"id":188212,"date":"2024-11-11T20:46:29","date_gmt":"2024-11-11T12:46:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188212\/"},"modified":"2024-11-11T20:46:30","modified_gmt":"2024-11-11T12:46:30","slug":"%e6%89%80%e6%9c%89key%e5%88%a9%e7%94%a8redis%e5%bf%ab%e9%80%9f%e7%8d%b2%e5%8f%96%e7%95%b6%e5%89%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89key%ef%bc%88redis%e7%8d%b2%e5%8f%96%e7%95%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188212\/","title":{"rendered":"\u6240\u6709key\u5229\u7528Redis\u5feb\u901f\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6240\u6709key\uff08redis\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e6%89%80%e6%9c%89key%e5%88%a9%e7%94%a8redis%e5%bf%ab%e9%80%9f%e7%8d%b2%e5%8f%96%e7%95%b6%e5%89%8d%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89key-ZKpEYOoarB\">\u6240\u6709key\u5229\u7528Redis\u5feb\u901f\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6240\u6709key<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u7576\u6211\u5011\u9700\u8981\u5feb\u901f\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709key\u6642\uff0cRedis\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u6cd5\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Redis\u547d\u4ee4\u4f86\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709key\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e7%b5%90%e6%a7%8b-ZKpEYOoarB\">Redis\u4e2d\u7684\u6578\u64da\u5eab\u7d50\u69cb<\/h2>\n<p>\u5728\u6df1\u5165\u4e86\u89e3\u5982\u4f55\u7372\u53d6\u6240\u6709key\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3Redis\u7684\u6578\u64da\u5eab\u7d50\u69cb\u3002Redis\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\u652f\u630116\u500b\u6578\u64da\u5eab\uff0c\u9019\u4e9b\u6578\u64da\u5eab\u7684\u7d22\u5f15\u5f9e0\u523015\u3002\u6bcf\u500b\u6578\u64da\u5eab\u90fd\u662f\u7368\u7acb\u7684\uff0c\u9019\u610f\u5473\u8457\u5728\u4e00\u500b\u6578\u64da\u5eab\u4e2d\u5b58\u5132\u7684key\u4e0d\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u6578\u64da\u5eab\u4e2d\u7684key\u3002<\/p>\n<h2 id=\"%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89key%e7%9a%84%e5%91%bd%e4%bb%a4-ZKpEYOoarB\">\u7372\u53d6\u6240\u6709key\u7684\u547d\u4ee4<\/h2>\n<p>\u8981\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709key\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684 <code>KEYS<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>pattern<\/code> \u662f\u4e00\u500b\u5339\u914d\u6a21\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60f3\u8981\u7372\u53d6\u6240\u6709\u7684key\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>KEYS *<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6240\u6709\u7684key\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>KEYS<\/code> \u547d\u4ee4\u5728\u6578\u64da\u91cf\u8f03\u5927\u7684\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u6b64\u5728\u751f\u7522\u74b0\u5883\u4e2d\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e7%8d%b2%e5%8f%96key-ZKpEYOoarB\">\u4f7f\u7528SCAN\u547d\u4ee4\u7372\u53d6key<\/h2>\n<p>\u7531\u65bc <code>KEYS<\/code> \u547d\u4ee4\u7684\u6027\u80fd\u554f\u984c\uff0cRedis\u9084\u63d0\u4f9b\u4e86 <code>SCAN<\/code> \u547d\u4ee4\uff0c\u9019\u662f\u4e00\u7a2e\u66f4\u5b89\u5168\u4e14\u4e0d\u6703\u963b\u585e\u670d\u52d9\u5668\u7684\u65b9\u5f0f\u4f86\u904d\u6b77key\u3002<code>SCAN<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>cursor<\/code> \u662f\u6e38\u6a19\uff0c\u521d\u59cb\u503c\u70ba0\u3002<code>MATCH<\/code> \u7528\u65bc\u6307\u5b9a\u5339\u914d\u6a21\u5f0f\uff0c<code>COUNT<\/code> \u7528\u65bc\u6307\u5b9a\u6bcf\u6b21\u8fd4\u56de\u7684key\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n127.0.0.1:6379&gt; SCAN 0 MATCH * COUNT 10\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u5f9e\u6e38\u6a190\u958b\u59cb\uff0c\u8fd4\u56de\u6700\u591a10\u500b\u5339\u914d\u6240\u6709key\u7684\u7d50\u679c\u3002\u6bcf\u6b21\u57f7\u884c <code>SCAN<\/code> \u547d\u4ee4\u6642\uff0cRedis\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6e38\u6a19\uff0c\u76f4\u5230\u6e38\u6a19\u70ba0\u6642\u8868\u793a\u904d\u6b77\u5b8c\u6210\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89key-ZKpEYOoarB\">\u793a\u4f8b\uff1a\u7372\u53d6\u6240\u6709key<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u6240\u6709key\uff1a<\/p>\n<pre><code>\n127.0.0.1:6379&gt; SCAN 0\n1) \"10\"\n2) 1) \"key1\"\n   2) \"key2\"\n   3) \"key3\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7b2c\u4e00\u6b21\u57f7\u884c <code>SCAN<\/code> \u547d\u4ee4\u8fd4\u56de\u4e86\u65b0\u7684\u6e38\u6a19\u201c10\u201d\uff0c\u4ee5\u53ca\u4e09\u500bkey\uff1a<code>key1<\/code>\u3001<code>key2<\/code> \u548c <code>key3<\/code>\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u7e7c\u7e8c\u57f7\u884c <code>SCAN<\/code> \u547d\u4ee4\uff0c\u76f4\u5230\u6e38\u6a19\u70ba0\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-ZKpEYOoarB\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u5728\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u6642\uff0c\u61c9\u6ce8\u610f\u5176\u53ef\u80fd\u5c0d\u6027\u80fd\u9020\u6210\u7684\u5f71\u97ff\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u8f03\u5927\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u6642\uff0c\u53ef\u80fd\u6703\u5728\u904d\u6b77\u904e\u7a0b\u4e2d\u65b0\u589e\u6216\u522a\u9664key\uff0c\u56e0\u6b64\u8fd4\u56de\u7684\u7d50\u679c\u53ef\u80fd\u4e0d\u5b8c\u5168\u4e00\u81f4\u3002<\/li>\n<li><strong>\u5339\u914d\u6a21\u5f0f\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u4f86\u904e\u6ffekey\uff0c\u4f8b\u5982 <code>KEYS user:*<\/code> \u5c07\u53ea\u8fd4\u56de\u4ee5 <code>user:<\/code> \u958b\u982d\u7684key\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZKpEYOoarB\">\u7e3d\u7d50<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u7372\u53d6\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709key\u53ef\u4ee5\u901a\u904e <code>KEYS<\/code> \u548c <code>SCAN<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u96d6\u7136 <code>KEYS<\/code> \u547d\u4ee4\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728\u751f\u7522\u74b0\u5883\u4e2d\u66f4\u63a8\u85a6\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u4ee5\u907f\u514d\u6027\u80fd\u554f\u984c\u3002\u4e86\u89e3\u9019\u4e9b\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6ce8\u610f\u4e8b\u9805\uff0c\u5c07\u6709\u52a9\u65bc\u66f4\u6709\u6548\u5730\u7ba1\u7406Redis\u6578\u64da\u5eab\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5feb\u901f\u7372\u53d6Redis\u7576\u524d\u6578\u64da\u5eab\u4e2d\u6240\u6709key\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-188212","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188212","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=188212"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188212\/revisions"}],"predecessor-version":[{"id":188213,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188212\/revisions\/188213"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}