{"id":153235,"date":"2024-11-02T05:45:20","date_gmt":"2024-11-01T21:45:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153235\/"},"modified":"2024-11-02T05:45:21","modified_gmt":"2024-11-01T21:45:21","slug":"%e5%be%9e-redis-%e4%b8%ad%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-k-%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis-%e7%9a%84-k-%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153235\/","title":{"rendered":"\u5f9e Redis \u4e2d\u6a21\u7cca\u67e5\u8a62 K \u503c\u7684\u65b9\u6cd5\uff08Redis \u7684 K \u6a21\u7cca\u67e5\u8a62\uff09"},"content":{"rendered":"<h1 id=\"%e5%be%9e-redis-%e4%b8%ad%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-k-%e5%80%bc%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis-%e7%9a%84-k-%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%ef%bc%89-ghqGJJnlhe\">\u5f9e Redis \u4e2d\u6a21\u7cca\u67e5\u8a62 K \u503c\u7684\u65b9\u6cd5\uff08Redis \u7684 K \u6a21\u7cca\u67e5\u8a62\uff09<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u67e5\u8a62\u6027\u80fd\uff0cRedis \u6210\u70ba\u4e86\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u5c0d\u9375\u9032\u884c\u6a21\u7cca\u67e5\u8a62\uff0c\u4ee5\u4fbf\u627e\u5230\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5be6\u73fe K \u503c\u7684\u6a21\u7cca\u67e5\u8a62\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%8d%b5%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d-ghqGJJnlhe\">Redis \u7684\u9375\u6a21\u5f0f\u5339\u914d<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u67e5\u8a62\u9375\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u5141\u8a31\u7528\u6236\u6839\u64da\u6a21\u5f0f\u4f86\u67e5\u8a62\u9375\uff0c\u652f\u6301\u901a\u914d\u7b26\u7684\u4f7f\u7528\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u901a\u914d\u7b26\uff1a<\/p>\n<ul>\n<li><code>*<\/code>\uff1a\u5339\u914d\u96f6\u500b\u6216\u591a\u500b\u5b57\u7b26\u3002<\/li>\n<li><code>?<\/code>\uff1a\u5339\u914d\u4e00\u500b\u5b57\u7b26\u3002<\/li>\n<li><code>[abc]<\/code>\uff1a\u5339\u914d\u65b9\u62ec\u865f\u5167\u7684\u4efb\u4e00\u5b57\u7b26\u3002<\/li>\n<li><code>[a-z]<\/code>\uff1a\u5339\u914d\u6307\u5b9a\u7bc4\u570d\u5167\u7684\u4efb\u4e00\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-keys-%e5%91%bd%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-ghqGJJnlhe\">\u4f7f\u7528 KEYS \u547d\u4ee4\u9032\u884c\u6a21\u7cca\u67e5\u8a62<\/h2>\n<p>\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u67e5\u8a62\u6240\u6709\u4ee5 &#8220;user:&#8221; \u958b\u982d\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>KEYS user:*<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u4ee5 &#8220;user:&#8221; \u958b\u982d\u7684\u9375\u540d\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c<code>KEYS<\/code> \u547d\u4ee4\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u70ba\u5b83\u6703\u904d\u6b77\u6240\u6709\u9375\u3002\u56e0\u6b64\uff0c\u5728\u751f\u7522\u74b0\u5883\u4e2d\uff0c\u5efa\u8b70\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-scan-%e5%91%bd%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2-ghqGJJnlhe\">\u4f7f\u7528 SCAN \u547d\u4ee4\u9032\u884c\u6a21\u7cca\u67e5\u8a62<\/h2>\n<p>\u70ba\u4e86\u907f\u514d <code>KEYS<\/code> \u547d\u4ee4\u7684\u6027\u80fd\u554f\u984c\uff0cRedis \u63d0\u4f9b\u4e86 <code>SCAN<\/code> \u547d\u4ee4\uff0c\u9019\u662f\u4e00\u7a2e\u589e\u91cf\u8fed\u4ee3\u7684\u65b9\u5f0f\u4f86\u67e5\u8a62\u9375\u3002<code>SCAN<\/code> \u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>cursor<\/code> \u662f\u6e38\u6a19\uff0c<code>MATCH<\/code> \u7528\u65bc\u6307\u5b9a\u6a21\u5f0f\uff0c<code>COUNT<\/code> \u7528\u65bc\u6307\u5b9a\u6bcf\u6b21\u8fed\u4ee3\u8fd4\u56de\u7684\u9375\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u67e5\u8a62\u4ee5 &#8220;user:&#8221; \u958b\u982d\u7684\u9375\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n127.0.0.1:6379&gt; SCAN 0 MATCH user:* COUNT 10\n<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6700\u591a 10 \u500b\u4ee5 &#8220;user:&#8221; \u958b\u982d\u7684\u9375\uff0c\u4e26\u4e14\u4e0d\u6703\u5f71\u97ff Redis \u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%a8%a1%e7%b3%8a%e6%9f%a5%e8%a9%a2%e7%9a%84%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8-ghqGJJnlhe\">\u6a21\u7cca\u67e5\u8a62\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n<p>\u6a21\u7cca\u67e5\u8a62\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6236\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u67e5\u8a62\u6240\u6709\u4ee5\u7279\u5b9a\u524d\u7db4\u958b\u982d\u7684\u7528\u6236\u9375\uff0c\u4ee5\u4fbf\u9032\u884c\u6279\u91cf\u64cd\u4f5c\u3002\u6b64\u5916\uff0c\u5728\u6578\u64da\u6e05\u7406\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u67e5\u8a62\u6240\u6709\u904e\u671f\u7684\u9375\uff0c\u9019\u6642\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6a21\u7cca\u67e5\u8a62\u4f86\u9054\u6210\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ghqGJJnlhe\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Redis \u4e2d\u9032\u884c K \u503c\u7684\u6a21\u7cca\u67e5\u8a62\u53ef\u4ee5\u901a\u904e <code>KEYS<\/code> \u548c <code>SCAN<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u96d6\u7136 <code>KEYS<\/code> \u547d\u4ee4\u7c21\u55ae\u6613\u7528\uff0c\u4f46\u5728\u5927\u578b\u6578\u64da\u96c6\u4e0a\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u6b64\u5728\u751f\u7522\u74b0\u5883\u4e2d\u66f4\u63a8\u85a6\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u3002\u4e86\u89e3\u9019\u4e9b\u67e5\u8a62\u65b9\u6cd5\u5f8c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u7ba1\u7406\u548c\u64cd\u4f5c Redis \u4e2d\u7684\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9700\u8981\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728 Redis \u4e2d\u4f7f\u7528 K \u503c\u9032\u884c\u6a21\u7cca\u67e5\u8a62\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\uff0c\u7c21\u5316\u67e5\u8a62\u904e\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-153235","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153235","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=153235"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153235\/revisions"}],"predecessor-version":[{"id":153236,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153235\/revisions\/153236"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}