{"id":188874,"date":"2024-11-12T02:38:22","date_gmt":"2024-11-11T18:38:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188874\/"},"modified":"2024-11-12T02:38:23","modified_gmt":"2024-11-11T18:38:23","slug":"%e6%8e%a2%e5%b0%8bredis%e4%b8%ad%e7%9a%84%e9%91%b0%e5%8c%99%e6%9f%a5%e8%a9%a2key%ef%bc%88%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84key%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188874\/","title":{"rendered":"\u63a2\u5c0bRedis\u4e2d\u7684\u9470\u5319\u67e5\u8a62Key\uff08\u67e5\u8a62redis\u4e2d\u7684Key\uff09"},"content":{"rendered":"<h1 id=\"%e6%8e%a2%e5%b0%8bredis%e4%b8%ad%e7%9a%84%e9%91%b0%e5%8c%99%e6%9f%a5%e8%a9%a2key%ef%bc%88%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84key%ef%bc%89-qCTFaAEAXS\">\u63a2\u5c0bRedis\u4e2d\u7684\u9470\u5319\u67e5\u8a62Key\uff08\u67e5\u8a62redis\u4e2d\u7684Key\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd\uff0cRedis\u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u521d\u5b78\u8005\u4f86\u8aaa\uff0c\u5982\u4f55\u6709\u6548\u5730\u67e5\u8a62Redis\u4e2d\u7684Key\u53ef\u80fd\u6703\u662f\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u4e2d\u7684\u9470\u5319\u67e5\u8a62\u65b9\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528\u9019\u4e00\u5f37\u5927\u7684\u5de5\u5177\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84key%e6%a6%82%e5%bf%b5-qCTFaAEAXS\">Redis\u4e2d\u7684Key\u6982\u5ff5<\/h2>\n<p>\u5728Redis\u4e2d\uff0cKey\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6578\u64da\u7684\u5b57\u7b26\u4e32\u3002\u6bcf\u500bKey\u90fd\u5c0d\u61c9\u8457\u4e00\u500b\u503c\uff0c\u9019\u500b\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u7531\u65bcRedis\u7684\u9ad8\u6548\u6027\uff0c\u67e5\u8a62Key\u7684\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u6578\u64da\u7684\u61c9\u7528\u4e2d\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84key-qCTFaAEAXS\">\u67e5\u8a62Redis\u4e2d\u7684Key<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u67e5\u8a62Key\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>KEYS<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u67e5\u8a62\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u6240\u6709Key\u3002\u4f8b\u5982\uff0c<code>KEYS user:* <\/code>\u5c07\u8fd4\u56de\u6240\u6709\u4ee5&#8221;user:&#8221;\u958b\u982d\u7684Key\u3002<\/li>\n<li><code>SCAN<\/code>\uff1a\u9019\u662f\u4e00\u500b\u66f4\u9ad8\u6548\u7684\u67e5\u8a62\u65b9\u6cd5\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cfKey\u6642\u3002\u8207<code>KEYS<\/code>\u547d\u4ee4\u4e0d\u540c\uff0c<code>SCAN<\/code>\u4e0d\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u7d50\u679c\uff0c\u800c\u662f\u5206\u6279\u8fd4\u56de\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/li>\n<li><code>EXISTS<\/code>\uff1a\u9019\u500b\u547d\u4ee4\u7528\u4f86\u6aa2\u67e5\u67d0\u500b\u7279\u5b9a\u7684Key\u662f\u5426\u5b58\u5728\u3002\u4f7f\u7528\u65b9\u6cd5\u70ba<code>EXISTS key_name<\/code>\uff0c\u5982\u679cKey\u5b58\u5728\uff0c\u5247\u8fd4\u56de1\uff0c\u5426\u5247\u8fd4\u56de0\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8keys%e5%91%bd%e4%bb%a4%e6%9f%a5%e8%a9%a2key-qCTFaAEAXS\">\u4f7f\u7528KEYS\u547d\u4ee4\u67e5\u8a62Key<\/h3>\n<pre><code>127.0.0.1:6379&gt; KEYS *\n1) \"user:1\"\n2) \"user:2\"\n3) \"session:123\"\n4) \"session:456\"\n<\/code><\/pre>\n<p>\u5982\u4e0a\u6240\u793a\uff0c\u4f7f\u7528<code>KEYS *<\/code>\u547d\u4ee4\u53ef\u4ee5\u67e5\u8a62\u5230\u6240\u6709\u7684Key\u3002\u96d6\u7136\u9019\u500b\u547d\u4ee4\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728Key\u6578\u91cf\u975e\u5e38\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\uff0c\u5efa\u8b70\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u4f86\u907f\u514d\u6027\u80fd\u554f\u984c\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e6%9f%a5%e8%a9%a2key-qCTFaAEAXS\">\u4f7f\u7528SCAN\u547d\u4ee4\u67e5\u8a62Key<\/h3>\n<pre><code>127.0.0.1:6379&gt; SCAN 0\n1) \"0\"\n2) 1) \"user:1\"\n   2) \"user:2\"\n   3) \"session:123\"\n   4) \"session:456\"\n<\/code><\/pre>\n<p>\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u6642\uff0c\u7b2c\u4e00\u500b\u53c3\u6578\u662f\u6e38\u6a19\uff0c\u521d\u59cb\u503c\u70ba0\u3002\u6bcf\u6b21\u57f7\u884c<code>SCAN<\/code>\u547d\u4ee4\u5f8c\uff0cRedis\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u6e38\u6a19\uff0c\u76f4\u5230\u6e38\u6a19\u8fd4\u56de\u52300\u70ba\u6b62\uff0c\u8868\u793a\u67e5\u8a62\u5b8c\u6210\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2key%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-qCTFaAEAXS\">\u67e5\u8a62Key\u7684\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u67e5\u8a62Redis\u4e2d\u7684Key\u6642\uff0c\u6709\u5e7e\u500b\u6700\u4f73\u5be6\u8e10\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u4f7f\u7528<code>KEYS<\/code>\u547d\u4ee4\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u56e0\u70ba\u5b83\u6703\u963b\u585eRedis\u670d\u52d9\u5668\uff0c\u5f71\u97ff\u6027\u80fd\u3002<\/li>\n<li>\u4f7f\u7528<code>SCAN<\/code>\u547d\u4ee4\u9032\u884c\u5206\u6279\u67e5\u8a62\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u5408\u7406\u8a2d\u8a08Key\u7684\u547d\u540d\u898f\u5247\uff0c\u4f7f\u7528\u524d\u7db4\u4f86\u7d44\u7e54Key\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u9032\u884c\u67e5\u8a62\u548c\u7ba1\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-qCTFaAEAXS\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5176\u67e5\u8a62Key\u7684\u80fd\u529b\u662f\u5176\u6838\u5fc3\u7279\u6027\u4e4b\u4e00\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528<code>KEYS<\/code>\u548c<code>SCAN<\/code>\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5f8c\uff0c\u60a8\u5c07\u80fd\u5920\u66f4\u597d\u5730\u5229\u7528Redis\u7684\u5f37\u5927\u529f\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684Redis\u6578\u64da\u5eab\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u7684\u9470\u5319\u67e5\u8a62\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u67e5\u8a62\u548c\u7ba1\u7406Redis\u4e2d\u7684Key\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\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-188874","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188874","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=188874"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188874\/revisions"}],"predecessor-version":[{"id":188875,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188874\/revisions\/188875"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}