{"id":197672,"date":"2024-11-14T09:45:25","date_gmt":"2024-11-14T01:45:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197672\/"},"modified":"2024-11-14T09:45:26","modified_gmt":"2024-11-14T01:45:26","slug":"%e5%88%a9%e7%94%a8redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%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\/197672\/","title":{"rendered":"\u5229\u7528Redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6578\u64da\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%89-WBAydCitWb\">\u5229\u7528Redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6578\u64da\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\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-WBAydCitWb\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\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\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\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%ef%bc%9f-WBAydCitWb\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6279\u91cf\u522a\u9664\u6578\u64da\uff1f<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u522a\u9664\u5927\u91cf\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\u6279\u91cf\u522a\u9664\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u6548\u7387\uff0c\u9084\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u7cfb\u7d71\u8cc7\u6e90\u7684\u6d88\u8017\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-WBAydCitWb\">Redis\u7684\u522a\u9664\u64cd\u4f5c<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u522a\u9664\u64cd\u4f5c\u4e3b\u8981\u4f7f\u7528DEL\u547d\u4ee4\u3002\u8a72\u547d\u4ee4\u53ef\u4ee5\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\u3002\u4ee5\u4e0b\u662fDEL\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>DEL key1 key2 ... keyN<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u9375\u540d\u70ba&#8221;user:1001&#8243;\u548c&#8221;user:1002&#8243;\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL user:1001 user:1002<\/code><\/pre>\n<h2 id=\"%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a%e7%9a%84%e5%af%a6%e7%8f%be-WBAydCitWb\">\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6578\u64da\u7684\u5be6\u73fe<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u53ef\u80fd\u9700\u8981\u5f9e\u9060\u7a0b\u670d\u52d9\u5668\u6279\u91cf\u522a\u9664\u6578\u64da\u3002\u9019\u53ef\u4ee5\u901a\u904eRedis\u7684\u5ba2\u6236\u7aef\u5eab\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u7684redis-py\u5eab\u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230\u9060\u7a0bRedis\u670d\u52d9\u5668\nr = redis.StrictRedis(host='your_redis_host', port=6379, db=0)\n\n# \u8981\u522a\u9664\u7684\u9375\u5217\u8868\nkeys_to_delete = ['user:1001', 'user:1002', 'user:1003']\n\n# \u6279\u91cf\u522a\u9664\nr.delete(*keys_to_delete)\nprint(f\"\u5df2\u522a\u9664\u9375: {keys_to_delete}\")\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u9060\u7a0bRedis\u670d\u52d9\u5668\uff0c\u7136\u5f8c\u5b9a\u7fa9\u4e00\u500b\u8981\u522a\u9664\u7684\u9375\u5217\u8868\uff0c\u6700\u5f8c\u4f7f\u7528delete\u65b9\u6cd5\u9032\u884c\u6279\u91cf\u522a\u9664\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%a2%9d%e4%bb%b6%e5%88%aa%e9%99%a4-WBAydCitWb\">\u4f7f\u7528SCAN\u547d\u4ee4\u9032\u884c\u689d\u4ef6\u522a\u9664<\/h2>\n<p>\u6709\u6642\u5019\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u4f86\u522a\u9664\u6578\u64da\u3002\u9019\u6642\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u9375\uff0c\u7136\u5f8c\u6839\u64da\u689d\u4ef6\u9032\u884c\u522a\u9664\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528SCAN\u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>cursor = 0\nwhile True:\n    cursor, keys = r.scan(cursor, match='user:*', count=10)\n    if keys:\n        r.delete(*keys)\n        print(f\"\u5df2\u522a\u9664\u9375: {keys}\")\n    if cursor == 0:\n        break\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528SCAN\u547d\u4ee4\u904d\u6b77\u6240\u6709\u4ee5&#8221;user:&#8221;\u958b\u982d\u7684\u9375\uff0c\u4e26\u5c07\u5176\u6279\u91cf\u522a\u9664\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u6839\u64da\u6a21\u5f0f\u522a\u9664\u6578\u64da\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-WBAydCitWb\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u9032\u884c\u6279\u91cf\u522a\u9664\u6642\uff0c\u8acb\u78ba\u4fdd\u4e0d\u6703\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u8003\u616e\u5230\u6027\u80fd\uff0c\u5efa\u8b70\u5728\u4f4e\u5cf0\u671f\u9032\u884c\u5927\u898f\u6a21\u522a\u9664\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528SCAN\u547d\u4ee4\u6642\uff0c\u8acb\u6ce8\u610f\u5176\u8fd4\u56de\u7684\u9375\u6578\u91cf\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\uff0c\u56e0\u6b64\u9700\u8981\u9032\u884c\u9069\u7576\u7684\u8655\u7406\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-WBAydCitWb\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u9032\u884c\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6578\u64da\u662f\u4e00\u500b\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u7ba1\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002\u901a\u904e\u4f7f\u7528DEL\u547d\u4ee4\u548cSCAN\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u522a\u9664\u4e0d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u53ef\u7dad\u8b77\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\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-197672","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197672","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=197672"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197672\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}