{"id":62215,"date":"2024-10-13T17:08:14","date_gmt":"2024-10-13T09:08:14","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62215\/"},"modified":"2024-10-13T17:08:14","modified_gmt":"2024-10-13T09:08:14","slug":"keyredis%e6%a0%b9%e6%93%9a%e4%b8%8b%e6%a8%99%e5%88%aa%e9%99%a4key%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%a0%b9%e6%93%9a%e4%b8%8b%e6%a8%99%e5%88%aa%e9%99%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62215\/","title":{"rendered":"keyRedis\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\u7684\u65b9\u6cd5\uff08redis\u6839\u64da\u4e0b\u6a19\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"keyredis%e6%a0%b9%e6%93%9a%e4%b8%8b%e6%a8%99%e5%88%aa%e9%99%a4key%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%a0%b9%e6%93%9a%e4%b8%8b%e6%a8%99%e5%88%aa%e9%99%a4%ef%bc%89-cUNDesPqWT\">KeyRedis\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\u7684\u65b9\u6cd5\uff08Redis\u6839\u64da\u4e0b\u6a19\u522a\u9664\uff09<\/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\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u9019\u4e9b\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6839\u64da\u4e0b\u6a19\u522a\u9664Redis\u4e2d\u7684Key\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84key%e7%ae%a1%e7%90%86-cUNDesPqWT\">Redis\u4e2d\u7684Key\u7ba1\u7406<\/h2>\n<p>\u5728Redis\u4e2d\uff0cKey\u662f\u7528\u4f86\u552f\u4e00\u6a19\u8b58\u6578\u64da\u7684\u6a19\u7c64\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\u96a8\u8457\u61c9\u7528\u7684\u767c\u5c55\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u6839\u64da\u7279\u5b9a\u7684\u689d\u4ef6\u522a\u9664\u67d0\u4e9bKey\uff0c\u9019\u6642\u5019\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\u7684\u65b9\u6cd5\u5c31\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e6%a0%b9%e6%93%9a%e4%b8%8b%e6%a8%99%e5%88%aa%e9%99%a4key%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-cUNDesPqWT\">\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\u7684\u57fa\u672c\u601d\u8def\u662f\uff1a\u9996\u5148\u7372\u53d6\u6240\u6709\u7684Key\uff0c\u7136\u5f8c\u6839\u64da\u6307\u5b9a\u7684\u4e0b\u6a19\u9032\u884c\u522a\u9664\u3002\u9019\u88e1\u7684\u4e0b\u6a19\u53ef\u4ee5\u662f\u6b63\u6578\u6216\u8ca0\u6578\uff0c\u6b63\u6578\u8868\u793a\u5f9e0\u958b\u59cb\u7684\u7d22\u5f15\uff0c\u8ca0\u6578\u5247\u8868\u793a\u5f9e\u5f8c\u5f80\u524d\u7684\u7d22\u5f15\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e7%8d%b2%e5%8f%96%e6%89%80%e6%9c%89key-cUNDesPqWT\">\u6b65\u9a5f\u4e00\uff1a\u7372\u53d6\u6240\u6709Key<\/h3>\n<p>\u4f7f\u7528Redis\u7684 <code>KEYS<\/code> \u547d\u4ee4\u53ef\u4ee5\u7372\u53d6\u6240\u6709\u7684Key\u3002\u9019\u500b\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>pattern<\/code> \u662f\u7528\u4f86\u5339\u914dKey\u7684\u6a21\u5f0f\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u7372\u53d6\u6240\u6709\u4ee5 &#8220;user:&#8221; \u958b\u982d\u7684Key\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>KEYS user:*<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e6%a0%b9%e6%93%9a%e4%b8%8b%e6%a8%99%e5%88%aa%e9%99%a4key-cUNDesPqWT\">\u6b65\u9a5f\u4e8c\uff1a\u6839\u64da\u4e0b\u6a19\u522a\u9664Key<\/h3>\n<p>\u7372\u53d6\u5230\u6240\u6709\u7684Key\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u6839\u64da\u4e0b\u6a19\u9032\u884c\u522a\u9664\u3002\u9019\u88e1\u53ef\u4ee5\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u4f86\u522a\u9664\u6307\u5b9a\u7684Key\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u4ee3\u78bc\uff0c\u5c55\u793a\u5982\u4f55\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\uff1a<\/p>\n<pre><code>redis-cli\n# \u7372\u53d6\u6240\u6709Key\nkeys = redis.keys(\"user:*\")\n\n# \u5047\u8a2d\u6211\u5011\u8981\u522a\u9664\u4e0b\u6a19\u70ba1\u7684Key\nindex_to_delete = 1\n\nif index_to_delete &lt; len(keys):\n    redis.delete(keys[index_to_delete])\n    print(f\"Deleted key: {keys[index_to_delete]}\")\nelse:\n    print(\"Index out of range\")\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-cUNDesPqWT\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u8003\u91cf\uff1a<\/strong>\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u5728\u5927\u6578\u64da\u91cf\u7684\u60c5\u6cc1\u4e0b\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u751f\u7522\u74b0\u5883\u4e2d\u8b39\u614e\u4f7f\u7528\u3002<\/li>\n<li><strong>\u4e0b\u6a19\u7bc4\u570d\uff1a<\/strong>\u5728\u522a\u9664Key\u6642\uff0c\u9700\u78ba\u4fdd\u4e0b\u6a19\u5728\u6709\u6548\u7bc4\u570d\u5167\uff0c\u5426\u5247\u6703\u5f15\u767c\u932f\u8aa4\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u5728\u522a\u9664Key\u5f8c\uff0c\u61c9\u8003\u616e\u6578\u64da\u7684\u4e00\u81f4\u6027\u554f\u984c\uff0c\u7279\u5225\u662f\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-cUNDesPqWT\">\u7d50\u8ad6<\/h2>\n<p>\u6839\u64da\u4e0b\u6a19\u522a\u9664Redis\u4e2d\u7684Key\u662f\u4e00\u500b\u5be6\u7528\u7684\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u4f7f\u7528 <code>KEYS<\/code> \u548c <code>DEL<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u7136\u800c\uff0c\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9700\u8003\u616e\u6027\u80fd\u548c\u6578\u64da\u4e00\u81f4\u6027\u7b49\u554f\u984c\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcRedis\u7684\u4f7f\u7528\u6709\u66f4\u591a\u7684\u9700\u6c42\uff0c\u6216\u8005\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Redis\u4e2d\u6839\u64da\u4e0b\u6a19\u522a\u9664Key\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u5be6\u73fe\u9748\u6d3b\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-62215","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62215","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=62215"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62215\/revisions"}],"predecessor-version":[{"id":62216,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62215\/revisions\/62216"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62215"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62215"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62215"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}