{"id":126803,"date":"2024-10-26T07:46:18","date_gmt":"2024-10-25T23:46:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126803\/"},"modified":"2024-10-26T07:46:19","modified_gmt":"2024-10-25T23:46:19","slug":"redis-%e6%b8%85%e9%99%a4%e8%a1%a8%e6%95%b8%e6%93%9a%e7%9a%84%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126803\/","title":{"rendered":"Redis \u6e05\u9664\u8868\u6578\u64da\u7684\u64cd\u4f5c\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"redis-%e6%b8%85%e9%99%a4%e8%a1%a8%e6%95%b8%e6%93%9a%e7%9a%84%e6%93%8d%e4%bd%9c%e6%96%b9%e6%b3%95-ixptpnGLPc\">Redis \u6e05\u9664\u8868\u6578\u64da\u7684\u64cd\u4f5c\u65b9\u6cd5<\/h1>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u6e05\u9664\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5728 Redis \u4e2d\u6e05\u9664\u8868\u6578\u64da\u7684\u5e7e\u7a2e\u64cd\u4f5c\u65b9\u6cd5\uff0c\u5e6b\u52a9\u7528\u6236\u6709\u6548\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8-del-%e5%91%bd%e4%bb%a4-ixptpnGLPc\">1. \u4f7f\u7528 DEL \u547d\u4ee4<\/h2>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 <code>DEL<\/code> \u547d\u4ee4\u4f86\u522a\u9664\u6307\u5b9a\u7684\u9375\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u4e00\u6b21\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\u3002<\/p>\n<pre><code>DEL key1 key2 key3<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u522a\u9664\u9375\u70ba <code>user:1001<\/code> \u548c <code>user:1002<\/code> \u7684\u6578\u64da\uff0c\u53ef\u4ee5\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DEL user:1001 user:1002<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8-unlink-%e5%91%bd%e4%bb%a4-ixptpnGLPc\">2. \u4f7f\u7528 UNLINK \u547d\u4ee4<\/h2>\n<p>\u8207 <code>DEL<\/code> \u547d\u4ee4\u985e\u4f3c\uff0c<code>UNLINK<\/code> \u547d\u4ee4\u4e5f\u7528\u65bc\u522a\u9664\u9375\uff0c\u4f46\u5b83\u7684\u522a\u9664\u904e\u7a0b\u662f\u975e\u963b\u585e\u7684\uff0c\u9069\u5408\u5728\u9700\u8981\u522a\u9664\u5927\u91cf\u6578\u64da\u6642\u4f7f\u7528\u3002<\/p>\n<pre><code>UNLINK key1 key2 key3<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u522a\u9664\u904e\u7a0b\u4e2d\u963b\u585e\u5176\u4ed6\u64cd\u4f5c\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4f75\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n<h2 id=\"3-%e4%bd%bf%e7%94%a8-flushdb-%e5%92%8c-flushall-%e5%91%bd%e4%bb%a4-ixptpnGLPc\">3. \u4f7f\u7528 FLUSHDB \u548c FLUSHALL \u547d\u4ee4<\/h2>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>FLUSHDB<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u522a\u9664\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>FLUSHALL<\/code> \u547d\u4ee4\uff1a<\/p>\n<pre><code>FLUSHALL<\/code><\/pre>\n<p>\u9019\u5169\u500b\u547d\u4ee4\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\uff0c\u56e0\u70ba\u4e00\u65e6\u57f7\u884c\uff0c\u6578\u64da\u5c07\u7121\u6cd5\u6062\u5fa9\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8-expire-%e5%92%8c-ttl-%e5%91%bd%e4%bb%a4-ixptpnGLPc\">4. \u4f7f\u7528 EXPIRE \u548c TTL \u547d\u4ee4<\/h2>\n<p>\u5982\u679c\u5e0c\u671b\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u522a\u9664\u67d0\u4e9b\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5c07 <code>session:1234<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba 60 \u79d2\uff1a<\/p>\n<pre><code>EXPIRE session:1234 60<\/code><\/pre>\n<p>\u6b64\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u67e5\u770b\u67d0\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff1a<\/p>\n<pre><code>TTL key<\/code><\/pre>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8-keys-%e5%91%bd%e4%bb%a4%e6%9f%a5%e6%89%be%e9%8d%b5-ixptpnGLPc\">5. \u4f7f\u7528 KEYS \u547d\u4ee4\u67e5\u627e\u9375<\/h2>\n<p>\u5728\u6e05\u9664\u6578\u64da\u4e4b\u524d\uff0c\u53ef\u80fd\u9700\u8981\u67e5\u627e\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\u3002\u53ef\u4ee5\u4f7f\u7528 <code>KEYS<\/code> \u547d\u4ee4\u4f86\u67e5\u627e\u9375\uff1a<\/p>\n<pre><code>KEYS pattern*<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u67e5\u627e\u6240\u6709\u4ee5 <code>user:<\/code> \u958b\u982d\u7684\u9375\uff1a<\/p>\n<pre><code>KEYS user:*<\/code><\/pre>\n<p>\u6ce8\u610f\uff0c<code>KEYS<\/code> \u547d\u4ee4\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u751f\u7522\u74b0\u5883\u4e2d\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ixptpnGLPc\">\u7e3d\u7d50<\/h2>\n<p>\u5728 Redis \u4e2d\u6e05\u9664\u8868\u6578\u64da\u7684\u65b9\u6cd5\u591a\u7a2e\u591a\u6a23\uff0c\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u547d\u4ee4\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528 <code>DEL<\/code>\u3001<code>UNLINK<\/code>\u3001<code>FLUSHDB<\/code>\u3001<code>FLUSHALL<\/code>\uff0c\u9084\u662f\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4e86\u89e3\u9019\u4e9b\u64cd\u4f5c\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7dad\u8b77\u6578\u64da\u5eab\u7684\u6027\u80fd\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u4ee5\u652f\u6301\u60a8\u7684 Redis \u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728 Redis \u4e2d\u6e05\u9664\u8868\u6570\u636e\u7684\u64cd\u4f5c\u65b9\u6cd5\uff0c\u786e\u4fdd\u9ad8\u6548\u7ba1\u7406\u548c\u7ef4\u62a4\u60a8\u7684\u6570\u636e\u5e93\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-126803","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126803","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=126803"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126803\/revisions"}],"predecessor-version":[{"id":126804,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126803\/revisions\/126804"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126803"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126803"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}