{"id":167605,"date":"2024-11-06T02:29:24","date_gmt":"2024-11-05T18:29:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167605\/"},"modified":"2024-11-06T02:29:25","modified_gmt":"2024-11-05T18:29:25","slug":"%e5%88%a9%e7%94%a8redis%e6%89%b9%e9%87%8f%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%95%b8%e6%93%9a%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\/167605\/","title":{"rendered":"\u5229\u7528Redis\u6279\u91cf\u5be6\u73fe\u9060\u7a0b\u6578\u64da\u522a\u9664\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e6%89%b9%e9%87%8f%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%95%b8%e6%93%9a%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-HqXHIXgoBU\">\u5229\u7528Redis\u6279\u91cf\u5be6\u73fe\u9060\u7a0b\u6578\u64da\u522a\u9664\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u6578\u64da\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-HqXHIXgoBU\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\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\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\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%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-HqXHIXgoBU\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6279\u91cf\u522a\u9664\u6578\u64da<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u522a\u9664\u5927\u91cf\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u522a\u9664\u5e33\u6236\u6642\uff0c\u53ef\u80fd\u9700\u8981\u522a\u9664\u8207\u8a72\u5e33\u6236\u76f8\u95dc\u7684\u6240\u6709\u6578\u64da\u3002\u50b3\u7d71\u7684\u9010\u500b\u522a\u9664\u65b9\u6cd5\u6548\u7387\u4f4e\u4e0b\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u3002\u56e0\u6b64\uff0c\u6279\u91cf\u522a\u9664\u6210\u70ba\u4e86\u4e00\u500b\u5fc5\u8981\u7684\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-HqXHIXgoBU\">Redis\u4e2d\u7684\u522a\u9664\u64cd\u4f5c<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u522a\u9664\u64cd\u4f5c\u4e3b\u8981\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\u3002\u5176\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DEL key1 key2 ...<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u7576\u9700\u8981\u522a\u9664\u5927\u91cf\u9375\u6642\uff0c\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u9010\u500b\u522a\u9664\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u56e0\u6b64\uff0c\u4f7f\u7528\u6279\u91cf\u522a\u9664\u7684\u65b9\u6cd5\u6703\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<h2 id=\"%e5%88%a9%e7%94%a8redis%e7%9a%84%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d%e9%80%b2%e8%a1%8c%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4-HqXHIXgoBU\">\u5229\u7528Redis\u7684\u6a21\u5f0f\u5339\u914d\u9032\u884c\u6279\u91cf\u522a\u9664<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86 <code>SCAN<\/code> \u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u9375\u3002\u9019\u500b\u547d\u4ee4\u4e0d\u6703\u963b\u585e\u670d\u52d9\u5668\uff0c\u9069\u5408\u7528\u65bc\u5927\u6578\u64da\u91cf\u7684\u60c5\u6cc1\u3002\u7d50\u5408 <code>DEL<\/code> \u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u5be6\u73fe\u6279\u91cf\u522a\u9664\u7684\u529f\u80fd\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-HqXHIXgoBU\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u548cRedis-py\u5eab\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6279\u91cf\u522a\u9664\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\u670d\u52d9\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u5b9a\u7fa9\u8981\u522a\u9664\u7684\u9375\u7684\u6a21\u5f0f\npattern = 'user:*'\n\n# \u4f7f\u7528SCAN\u547d\u4ee4\u904d\u6b77\u6240\u6709\u9375\ncursor = 0\nwhile True:\n    cursor, keys = r.scan(cursor, match=pattern)\n    if keys:\n        r.delete(*keys)  # \u6279\u91cf\u522a\u9664\n    if cursor == 0:\n        break\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230Redis\u670d\u52d9\u5668\uff0c\u7136\u5f8c\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u67e5\u627e\u6240\u6709\u4ee5 <code>user:<\/code> \u958b\u982d\u7684\u9375\uff0c\u6700\u5f8c\u4f7f\u7528 <code>DELETE<\/code> \u547d\u4ee4\u6279\u91cf\u522a\u9664\u9019\u4e9b\u9375\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HqXHIXgoBU\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u6279\u91cf\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u8acb\u78ba\u4fdd\u4e0d\u6703\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u8003\u616e\u5230\u6027\u80fd\u554f\u984c\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u671f\u9032\u884c\u5927\u898f\u6a21\u7684\u6578\u64da\u522a\u9664\u3002<\/li>\n<li>\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u6642\uff0c\u8acb\u6ce8\u610f\u5176\u8fd4\u56de\u7684\u9375\u6578\u91cf\uff0c\u907f\u514d\u4e00\u6b21\u6027\u522a\u9664\u904e\u591a\u6578\u64da\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-HqXHIXgoBU\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u9032\u884c\u9060\u7a0b\u6279\u91cf\u6578\u64da\u522a\u9664\u662f\u4e00\u500b\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u901a\u904e\u4f7f\u7528 <code>SCAN<\/code> \u548c <code>DEL<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u522a\u9664\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u5f9e\u800c\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347Redis\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u6578\u64da\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\u7a69\u5b9a\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-167605","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167605","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=167605"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167605\/revisions"}],"predecessor-version":[{"id":167606,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167605\/revisions\/167606"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}