{"id":183554,"date":"2024-11-10T05:47:20","date_gmt":"2024-11-09T21:47:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/183554\/"},"modified":"2024-11-10T05:47:21","modified_gmt":"2024-11-09T21:47:21","slug":"%e4%bd%bf%e7%94%a8-redis-%e9%80%b2%e8%a1%8c%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/183554\/","title":{"rendered":"\u4f7f\u7528 Redis \u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8-redis-%e9%80%b2%e8%a1%8c%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%89-KNdeXxazeS\">\u4f7f\u7528 Redis \u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Redis \u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-KNdeXxazeS\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u7531\u65bc\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4-KNdeXxazeS\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9060\u7a0b\u6279\u91cf\u522a\u9664<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u522a\u9664\u5927\u91cf\u7684\u9375\u503c\u5c0d\uff0c\u4f8b\u5982\u6e05\u7406\u904e\u671f\u7684\u7de9\u5b58\u6578\u64da\u6216\u79fb\u9664\u4e0d\u518d\u4f7f\u7528\u7684\u7528\u6236\u6578\u64da\u3002\u624b\u52d5\u522a\u9664\u6bcf\u500b\u9375\u4e0d\u50c5\u8017\u6642\uff0c\u800c\u4e14\u5bb9\u6613\u51fa\u932f\u3002\u56e0\u6b64\uff0c\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u529f\u80fd\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-redis-%e9%80%b2%e8%a1%8c%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e6%96%b9%e6%b3%95-KNdeXxazeS\">\u4f7f\u7528 Redis \u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u6279\u91cf\u522a\u9664\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-del-%e5%91%bd%e4%bb%a4-KNdeXxazeS\">1. \u4f7f\u7528 DEL \u547d\u4ee4<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u63a5\u53d7\u591a\u500b\u9375\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u4e00\u6b21\u6027\u522a\u9664\u5b83\u5011\u3002<\/p>\n<pre><code>DEL key1 key2 key3<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u8981\u522a\u9664\u9375 <code>user:1<\/code> \u548c <code>user:2<\/code>\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL user:1 user:2<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-unlink-%e5%91%bd%e4%bb%a4-KNdeXxazeS\">2. \u4f7f\u7528 UNLINK \u547d\u4ee4<\/h3>\n<p>\u8207 <code>DEL<\/code> \u547d\u4ee4\u985e\u4f3c\uff0c<code>UNLINK<\/code> \u547d\u4ee4\u4e5f\u53ef\u4ee5\u7528\u4f86\u522a\u9664\u9375\uff0c\u4f46\u5b83\u662f\u975e\u963b\u585e\u7684\uff0c\u9069\u5408\u5728\u9700\u8981\u522a\u9664\u5927\u91cf\u9375\u6642\u4f7f\u7528\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u522a\u9664\u904e\u7a0b\u4e2d\u963b\u585e\u5176\u4ed6\u64cd\u4f5c\u3002<\/p>\n<pre><code>UNLINK key1 key2 key3<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d%e5%88%aa%e9%99%a4-KNdeXxazeS\">3. \u4f7f\u7528\u6a21\u5f0f\u5339\u914d\u522a\u9664<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u914d\u5408 <code>DEL<\/code> \u6216 <code>UNLINK<\/code> \u547d\u4ee4\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\uff0c\u56e0\u70ba <code>KEYS<\/code> \u6703\u963b\u585e Redis\uff0c\u5c0d\u6027\u80fd\u9020\u6210\u5f71\u97ff\u3002<\/p>\n<pre><code>\nSCAN 0 MATCH pattern:* COUNT 1000\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u8fd4\u56de\u7b26\u5408 <code>pattern:*<\/code> \u7684\u9375\uff0c\u7136\u5f8c\u53ef\u4ee5\u5c07\u9019\u4e9b\u9375\u50b3\u905e\u7d66 <code>DEL<\/code> \u6216 <code>UNLINK<\/code> \u547d\u4ee4\u9032\u884c\u522a\u9664\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e5%af%a6%e7%8f%be-KNdeXxazeS\">\u793a\u4f8b\uff1a\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Python \u548c Redis-py \u5eab\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u7372\u53d6\u7b26\u5408\u6a21\u5f0f\u7684\u9375\nkeys = r.scan_iter(\"user:*\")\n\n# \u6279\u91cf\u522a\u9664\nfor key in keys:\n    r.delete(key)\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u9023\u63a5\u5230\u672c\u5730\u7684 Redis \u670d\u52d9\u5668\uff0c\u67e5\u627e\u6240\u6709\u4ee5 <code>user:<\/code> \u958b\u982d\u7684\u9375\uff0c\u4e26\u5c07\u5176\u522a\u9664\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KNdeXxazeS\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528 Redis \u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\u662f\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u6cd5\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u901a\u904e\u4f7f\u7528 <code>DEL<\/code>\u3001<code>UNLINK<\/code> \u548c <code>SCAN<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u7ba1\u7406 Redis \u4e2d\u7684\u6578\u64da\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9078\u64c7 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u7ba1\u7406\u7b56\u7565\u80fd\u5920\u6709\u6548\u652f\u6301\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u512a\u5316\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-183554","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183554","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=183554"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183554\/revisions"}],"predecessor-version":[{"id":183555,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/183554\/revisions\/183555"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=183554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=183554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=183554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}