{"id":153465,"date":"2024-11-02T07:40:19","date_gmt":"2024-11-01T23:40:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153465\/"},"modified":"2024-11-02T07:40:20","modified_gmt":"2024-11-01T23:40:20","slug":"%e5%ad%98%e5%9c%a8%e6%8e%a2%e7%a9%b6-redis-%e4%b8%ad%e6%9f%a5%e8%a9%a2%e9%8d%b5%e5%80%bc%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8%ef%bc%88redis-%e6%9f%a5%e8%a9%a2%e5%80%bc%e6%98%af%e5%90%a6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153465\/","title":{"rendered":"\u5b58\u5728\u63a2\u7a76 Redis \u4e2d\u67e5\u8a62\u9375\u503c\u662f\u5426\u5b58\u5728\uff08Redis \u67e5\u8a62\u503c\u662f\u5426\uff09"},"content":{"rendered":"<h1 id=\"%e5%ad%98%e5%9c%a8%e6%8e%a2%e7%a9%b6-redis-%e4%b8%ad%e6%9f%a5%e8%a9%a2%e9%8d%b5%e5%80%bc%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8%ef%bc%88redis-%e6%9f%a5%e8%a9%a2%e5%80%bc%e6%98%af%e5%90%a6%ef%bc%89-mUZiuxxRXn\">\u5b58\u5728\u63a2\u7a76 Redis \u4e2d\u67e5\u8a62\u9375\u503c\u662f\u5426\u5b58\u5728\uff08Redis \u67e5\u8a62\u503c\u662f\u5426\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u662f\u61c9\u7528\u7a0b\u5f0f\u6210\u529f\u7684\u95dc\u9375\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u67e5\u8a62\u9375\u503c\u662f\u5426\u5b58\u5728\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\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-mUZiuxxRXn\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\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\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e9%8d%b5%e5%80%bc%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-mUZiuxxRXn\">\u67e5\u8a62\u9375\u503c\u662f\u5426\u5b58\u5728\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u6642\uff0c\u7d93\u5e38\u9700\u8981\u6aa2\u67e5\u67d0\u500b\u9375\u662f\u5426\u5b58\u5728\u3002\u9019\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\u90fd\u662f\u5fc5\u8981\u7684\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u907f\u514d\u91cd\u8907\u63d2\u5165\u6578\u64da\u3002<\/li>\n<li>\u5728\u9032\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\u78ba\u8a8d\u6578\u64da\u7684\u5b58\u5728\u6027\u3002<\/li>\n<li>\u6839\u64da\u9375\u7684\u5b58\u5728\u6027\u4f86\u6c7a\u5b9a\u5f8c\u7e8c\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8-exists-%e5%91%bd%e4%bb%a4%e6%9f%a5%e8%a9%a2%e9%8d%b5%e5%80%bc-mUZiuxxRXn\">\u4f7f\u7528 EXISTS \u547d\u4ee4\u67e5\u8a62\u9375\u503c<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u662f\u5426\u5b58\u5728\uff0c\u5373 <code>EXISTS<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u500b\u6574\u6578\uff0c\u8868\u793a\u9375\u7684\u5b58\u5728\u72c0\u614b\uff1a<\/p>\n<pre><code>EXISTS key<\/code><\/pre>\n<p>\u5982\u679c\u9375\u5b58\u5728\uff0c\u5247\u8fd4\u56de 1\uff1b\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de 0\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-mUZiuxxRXn\">\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 <code>EXISTS<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SET mykey \"Hello, Redis\"\nOK\n127.0.0.1:6379&gt; EXISTS mykey\n(integer) 1\n127.0.0.1:6379&gt; EXISTS non_existing_key\n(integer) 0<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528 <code>SET<\/code> \u547d\u4ee4\u5275\u5efa\u4e86\u4e00\u500b\u9375 <code>mykey<\/code>\uff0c\u7136\u5f8c\u4f7f\u7528 <code>EXISTS<\/code> \u547d\u4ee4\u6aa2\u67e5\u8a72\u9375\u7684\u5b58\u5728\u6027\u3002\u7d50\u679c\u986f\u793a\u8a72\u9375\u5b58\u5728\uff0c\u8fd4\u56de\u503c\u70ba 1\uff1b\u800c\u5c0d\u65bc\u4e0d\u5b58\u5728\u7684\u9375\uff0c\u8fd4\u56de\u503c\u70ba 0\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-hexists-%e5%91%bd%e4%bb%a4%e6%9f%a5%e8%a9%a2%e5%93%88%e5%b8%8c%e9%8d%b5%e5%80%bc-mUZiuxxRXn\">\u4f7f\u7528 HEXISTS \u547d\u4ee4\u67e5\u8a62\u54c8\u5e0c\u9375\u503c<\/h2>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u54c8\u5e0c\u6578\u64da\u7d50\u69cb\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528 <code>HEXISTS<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u54c8\u5e0c\u4e2d\u7684\u67d0\u500b\u5b57\u6bb5\u662f\u5426\u5b58\u5728\u3002\u9019\u500b\u547d\u4ee4\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>HEXISTS hash key<\/code><\/pre>\n<p>\u9019\u88e1\u7684 <code>hash<\/code> \u662f\u54c8\u5e0c\u7684\u540d\u7a31\uff0c\u800c <code>key<\/code> \u662f\u8981\u6aa2\u67e5\u7684\u5b57\u6bb5\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-mUZiuxxRXn\">\u793a\u4f8b<\/h3>\n<pre><code>127.0.0.1:6379&gt; HSET myhash field1 \"Hello\"\n(integer) 1\n127.0.0.1:6379&gt; HEXISTS myhash field1\n(integer) 1\n127.0.0.1:6379&gt; HEXISTS myhash field2\n(integer) 0<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528 <code>HSET<\/code> \u547d\u4ee4\u5275\u5efa\u4e86\u4e00\u500b\u54c8\u5e0c <code>myhash<\/code>\uff0c\u4e26\u8a2d\u7f6e\u4e86\u4e00\u500b\u5b57\u6bb5 <code>field1<\/code>\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>HEXISTS<\/code> \u547d\u4ee4\u6aa2\u67e5 <code>field1<\/code> \u548c <code>field2<\/code> \u7684\u5b58\u5728\u6027\uff0c\u7d50\u679c\u986f\u793a <code>field1<\/code> \u5b58\u5728\uff0c\u800c <code>field2<\/code> \u4e0d\u5b58\u5728\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-mUZiuxxRXn\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Redis \u4e2d\u67e5\u8a62\u9375\u503c\u662f\u5426\u5b58\u5728\u662f\u4e00\u500b\u57fa\u672c\u800c\u91cd\u8981\u7684\u64cd\u4f5c\u3002\u901a\u904e\u4f7f\u7528 <code>EXISTS<\/code> \u548c <code>HEXISTS<\/code> \u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u6aa2\u67e5\u9375\u6216\u54c8\u5e0c\u5b57\u6bb5\u7684\u5b58\u5728\u6027\uff0c\u5f9e\u800c\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u548c\u696d\u52d9\u908f\u8f2f\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\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\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u5730\u5340\u7684\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728 Redis \u4e2d\u67e5\u8a62\u9375\u503c\u662f\u5426\u5b58\u5728\uff0c\u4e86\u89e3\u6709\u6548\u7684\u67e5\u8a62\u65b9\u6cd5\u548c\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\u6548\u7387\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-153465","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153465","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=153465"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153465\/revisions"}],"predecessor-version":[{"id":153466,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153465\/revisions\/153466"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}