{"id":153945,"date":"2024-11-02T11:40:19","date_gmt":"2024-11-02T03:40:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153945\/"},"modified":"2024-11-02T11:40:20","modified_gmt":"2024-11-02T03:40:20","slug":"%e7%9a%84key%e6%9f%a5%e7%9c%8bredis%e4%b8%ad%e5%b7%b2%e5%ad%98%e5%9c%a8%e7%9a%84key%ef%bc%88redis%e6%9f%a5%e7%9c%8b%e5%ad%98%e5%9c%a8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153945\/","title":{"rendered":"\u7684key\u67e5\u770bRedis\u4e2d\u5df2\u5b58\u5728\u7684Key\uff08redis\u67e5\u770b\u5b58\u5728\uff09"},"content":{"rendered":"<h1 id=\"%e7%9a%84key%e6%9f%a5%e7%9c%8bredis%e4%b8%ad%e5%b7%b2%e5%ad%98%e5%9c%a8%e7%9a%84key%ef%bc%88redis%e6%9f%a5%e7%9c%8b%e5%ad%98%e5%9c%a8%ef%bc%89-DYGALfotUT\">\u7684key\u67e5\u770bRedis\u4e2d\u5df2\u5b58\u5728\u7684Key\uff08redis\u67e5\u770b\u5b58\u5728\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\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\u5b58\u5132\u7b49\u3002\u7576\u6211\u5011\u4f7f\u7528Redis\u6642\uff0c\u7d93\u5e38\u9700\u8981\u6aa2\u67e5\u67d0\u500b\u7279\u5b9a\u7684key\u662f\u5426\u5df2\u7d93\u5b58\u5728\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728Redis\u4e2d\u67e5\u770b\u5df2\u5b58\u5728\u7684key\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u547d\u4ee4\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84key%e6%a6%82%e5%bf%b5-DYGALfotUT\">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\u53ef\u4ee5\u5c0d\u61c9\u4e00\u500b\u503c\uff0c\u9019\u500b\u503c\u53ef\u4ee5\u662f\u5b57\u7b26\u4e32\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u54c8\u5e0c\u7b49\u591a\u7a2e\u6578\u64da\u985e\u578b\u3002\u4e86\u89e3\u5982\u4f55\u7ba1\u7406\u548c\u67e5\u8a62\u9019\u4e9bkey\u662f\u4f7f\u7528Redis\u7684\u57fa\u672c\u6280\u80fd\u4e4b\u4e00\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8bredis%e4%b8%ad%e5%b7%b2%e5%ad%98%e5%9c%a8%e7%9a%84key-DYGALfotUT\">\u67e5\u770bRedis\u4e2d\u5df2\u5b58\u5728\u7684Key<\/h2>\n<p>\u8981\u67e5\u770bRedis\u4e2d\u662f\u5426\u5b58\u5728\u67d0\u500bkey\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u500b\u547d\u4ee4\uff1a<\/p>\n<h3 id=\"1-exists%e5%91%bd%e4%bb%a4-DYGALfotUT\">1. EXISTS\u547d\u4ee4<\/h3>\n<p>EXISTS\u547d\u4ee4\u7528\u65bc\u6aa2\u67e5\u4e00\u500b\u6216\u591a\u500bkey\u662f\u5426\u5b58\u5728\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>EXISTS key1 [key2 ...]<\/code><\/pre>\n<p>\u5982\u679ckey\u5b58\u5728\uff0c\u5247\u8fd4\u56de1\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528EXISTS\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>EXISTS mykey<\/code><\/pre>\n<p>\u5982\u679cmykey\u5b58\u5728\uff0c\u5247\u8fd4\u56de1\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de0\u3002<\/p>\n<h3 id=\"2-keys%e5%91%bd%e4%bb%a4-DYGALfotUT\">2. KEYS\u547d\u4ee4<\/h3>\n<p>KEYS\u547d\u4ee4\u7528\u65bc\u67e5\u8a62\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u6240\u6709key\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u9019\u88e1\u7684pattern\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\uff0c\u4f8b\u5982*\u8868\u793a\u4efb\u610f\u5b57\u7b26\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528KEYS\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>KEYS *<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56deRedis\u4e2d\u6240\u6709\u7684key\u3002\u5982\u679c\u53ea\u60f3\u67e5\u8a62\u4ee5&#8221;my&#8221;\u958b\u982d\u7684key\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>KEYS my*<\/code><\/pre>\n<h3 id=\"3-scan%e5%91%bd%e4%bb%a4-DYGALfotUT\">3. SCAN\u547d\u4ee4<\/h3>\n<p>SCAN\u547d\u4ee4\u662f\u4e00\u7a2e\u66f4\u9ad8\u6548\u7684\u67e5\u8a62\u65b9\u5f0f\uff0c\u7279\u5225\u662f\u5728key\u6578\u91cf\u8f03\u591a\u7684\u60c5\u6cc1\u4e0b\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>SCAN\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\u662f\u4f7f\u7528SCAN\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SCAN 0 MATCH my* COUNT 10<\/code><\/pre>\n<p>\u9019\u5c07\u5f9e\u6e38\u6a190\u958b\u59cb\uff0c\u67e5\u8a62\u4ee5&#8221;my&#8221;\u958b\u982d\u7684key\uff0c\u6bcf\u6b21\u8fd4\u56de\u6700\u591a10\u500b\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-DYGALfotUT\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528KEYS\u547d\u4ee4\u6642\uff0c\u61c9\u8a72\u6ce8\u610f\u5230\u5b83\u6703\u904d\u6b77\u6574\u500b\u6578\u64da\u5eab\uff0c\u9019\u5728key\u6578\u91cf\u975e\u5e38\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u66ff\u4ee3KEYS\u547d\u4ee4\uff0c\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-DYGALfotUT\">\u7d50\u8ad6<\/h2>\n<p>\u5728Redis\u4e2d\u67e5\u770b\u5df2\u5b58\u5728\u7684key\u662f\u65e5\u5e38\u64cd\u4f5c\u4e2d\u975e\u5e38\u91cd\u8981\u7684\u4e00\u90e8\u5206\u3002\u901a\u904e\u4f7f\u7528EXISTS\u3001KEYS\u548cSCAN\u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u4e86\u89e3\u9019\u4e9b\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8Redis\u7684\u4f7f\u7528\u6548\u7387\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u4e3b\u6a5f\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\u3002\u7121\u8ad6\u662f\u5c0b\u627e<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u9084\u662f\u5176\u4ed6\u96f2\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u5c08\u696d\u7684\u652f\u6301\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u7684key\u547d\u4ee4\u67e5\u770bRedis\u4e2d\u5df2\u5b58\u5728\u7684Key\uff0c\u5feb\u901f\u83b7\u53d6\u6570\u636e\u5b58\u50a8\u4fe1\u606f\uff0c\u63d0\u5347\u6570\u636e\u5e93\u7ba1\u7406\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-153945","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153945","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=153945"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153945\/revisions"}],"predecessor-version":[{"id":153946,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153945\/revisions\/153946"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153945"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153945"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153945"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}