{"id":125515,"date":"2024-10-25T23:16:20","date_gmt":"2024-10-25T15:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125515\/"},"modified":"2024-10-25T23:16:21","modified_gmt":"2024-10-25T15:16:21","slug":"redis-%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e9%9b%86%e5%90%88%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125515\/","title":{"rendered":"Redis \u5feb\u901f\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u6578\u64da"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e9%9b%86%e5%90%88%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-JyWaRYifiZ\">Redis \u5feb\u901f\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u6578\u64da<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u67e5\u627e\u548c\u5b58\u53d6\u6578\u64da\u662f\u61c9\u7528\u7a0b\u5e8f\u6027\u80fd\u7684\u95dc\u9375\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u4f86\u652f\u6301\u5feb\u901f\u67e5\u627e\uff0c\u5176\u4e2d\u96c6\u5408\uff08Set\uff09\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u6578\u64da\u7d50\u69cb\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u5feb\u901f\u67e5\u627e\u96c6\u5408\u4e2d\u7684\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%af-redis-%e9%9b%86%e5%90%88%ef%bc%9f-JyWaRYifiZ\">\u4ec0\u9ebc\u662f Redis \u96c6\u5408\uff1f<\/h2>\n<p>Redis \u96c6\u5408\u662f\u4e00\u7a2e\u7121\u5e8f\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5141\u8a31\u5b58\u5132\u552f\u4e00\u7684\u5143\u7d20\u3002\u9019\u610f\u5473\u8457\u96c6\u5408\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u90fd\u662f\u552f\u4e00\u7684\uff0c\u4e26\u4e14\u4e0d\u6703\u91cd\u8907\u3002\u96c6\u5408\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u7121\u5e8f\u6027\uff1a\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u6c92\u6709\u7279\u5b9a\u7684\u9806\u5e8f\u3002<\/li>\n<li>\u552f\u4e00\u6027\uff1a\u96c6\u5408\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u90fd\u662f\u552f\u4e00\u7684\u3002<\/li>\n<li>\u9ad8\u6548\u6027\uff1aRedis \u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u64cd\u4f5c\u4f86\u6dfb\u52a0\u3001\u522a\u9664\u548c\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8-redis-%e4%b8%ad%e6%93%8d%e4%bd%9c%e9%9b%86%e5%90%88-JyWaRYifiZ\">\u5728 Redis \u4e2d\u64cd\u4f5c\u96c6\u5408<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u64cd\u4f5c\u96c6\u5408\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>SADD<\/code>\uff1a\u5411\u96c6\u5408\u4e2d\u6dfb\u52a0\u4e00\u500b\u6216\u591a\u500b\u5143\u7d20\u3002<\/li>\n<li><code>SREM<\/code>\uff1a\u5f9e\u96c6\u5408\u4e2d\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u5143\u7d20\u3002<\/li>\n<li><code>SMEMBERS<\/code>\uff1a\u7372\u53d6\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/li>\n<li><code>SISMEMBER<\/code>\uff1a\u6aa2\u67e5\u67d0\u500b\u5143\u7d20\u662f\u5426\u5728\u96c6\u5408\u4e2d\u3002<\/li>\n<li><code>SCARD<\/code>\uff1a\u7372\u53d6\u96c6\u5408\u4e2d\u5143\u7d20\u7684\u6578\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bf%ab%e9%80%9f%e6%9f%a5%e6%89%be%e9%9b%86%e5%90%88%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-JyWaRYifiZ\">\u5feb\u901f\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u6578\u64da<\/h2>\n<p>\u5728 Redis \u4e2d\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u6578\u64da\u975e\u5e38\u9ad8\u6548\uff0c\u56e0\u70ba Redis \u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4e26\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u7ba1\u7406\u96c6\u5408\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728 Redis \u4e2d\u5feb\u901f\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u6578\u64da\uff1a<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-1%ef%bc%9a%e6%b7%bb%e5%8a%a0%e5%92%8c%e6%9f%a5%e6%89%be%e5%85%83%e7%b4%a0-JyWaRYifiZ\">\u793a\u4f8b 1\uff1a\u6dfb\u52a0\u548c\u67e5\u627e\u5143\u7d20<\/h3>\n<pre><code>127.0.0.1:6379&gt; SADD myset \"apple\" \"banana\" \"orange\"\n(integer) 3\n127.0.0.1:6379&gt; SISMEMBER myset \"banana\"\n(integer) 1\n127.0.0.1:6379&gt; SISMEMBER myset \"grape\"\n(integer) 0\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u4f7f\u7528 <code>SADD<\/code> \u547d\u4ee4\u5c07\u4e09\u500b\u6c34\u679c\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>SISMEMBER<\/code> \u547d\u4ee4\u6aa2\u67e5 &#8220;banana&#8221; \u662f\u5426\u5728\u96c6\u5408\u4e2d\uff0c\u7d50\u679c\u8fd4\u56de 1\uff0c\u8868\u793a\u5b58\u5728\uff1b\u800c &#8220;grape&#8221; \u4e0d\u5728\u96c6\u5408\u4e2d\uff0c\u8fd4\u56de 0\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b-2%ef%bc%9a%e5%88%aa%e9%99%a4%e5%85%83%e7%b4%a0%e4%b8%a6%e6%9f%a5%e6%89%be-JyWaRYifiZ\">\u793a\u4f8b 2\uff1a\u522a\u9664\u5143\u7d20\u4e26\u67e5\u627e<\/h3>\n<pre><code>127.0.0.1:6379&gt; SREM myset \"apple\"\n(integer) 1\n127.0.0.1:6379&gt; SMEMBERS myset\n1) \"banana\"\n2) \"orange\"\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 <code>SREM<\/code> \u547d\u4ee4\u522a\u9664 &#8220;apple&#8221;\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 <code>SMEMBERS<\/code> \u547d\u4ee4\u67e5\u770b\u96c6\u5408\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u7d50\u679c\u986f\u793a &#8220;banana&#8221; \u548c &#8220;orange&#8221; \u4ecd\u7136\u5b58\u5728\u3002<\/p>\n<h2 id=\"%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-JyWaRYifiZ\">\u6027\u80fd\u8003\u91cf<\/h2>\n<p>Redis \u7684\u96c6\u5408\u64cd\u4f5c\u975e\u5e38\u9ad8\u6548\uff0c\u56e0\u70ba\u5b83\u5011\u5728\u5167\u5b58\u4e2d\u9032\u884c\uff0c\u4e26\u4e14\u4f7f\u7528\u54c8\u5e0c\u8868\u4f86\u7ba1\u7406\u5143\u7d20\u3002\u9019\u4f7f\u5f97\u67e5\u627e\u3001\u6dfb\u52a0\u548c\u522a\u9664\u64cd\u4f5c\u7684\u6642\u9593\u8907\u96dc\u5ea6\u5747\u70ba O(1)\u3002\u7136\u800c\uff0c\u96a8\u8457\u96c6\u5408\u5927\u5c0f\u7684\u589e\u9577\uff0c\u5167\u5b58\u4f7f\u7528\u91cf\u4e5f\u6703\u589e\u52a0\uff0c\u56e0\u6b64\u5728\u8a2d\u8a08\u61c9\u7528\u7a0b\u5e8f\u6642\u9700\u8981\u8003\u616e\u5230\u9019\u4e00\u9ede\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-JyWaRYifiZ\">\u7d50\u8ad6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u96c6\u5408\u6578\u64da\u7d50\u69cb\uff0c\u80fd\u5920\u5feb\u901f\u67e5\u627e\u548c\u7ba1\u7406\u6578\u64da\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684\u96c6\u5408\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u7121\u8ad6\u662f\u7528\u65bc\u793e\u4ea4\u5a92\u9ad4\u3001\u904a\u6232\u9084\u662f\u5176\u4ed6\u9700\u8981\u5feb\u901f\u6578\u64da\u67e5\u627e\u7684\u61c9\u7528\uff0cRedis \u7684\u96c6\u5408\u90fd\u80fd\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9ad8\u6548\u7684\u74b0\u5883\u4e2d\u904b\u884c Redis \u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528 Redis \u5feb\u901f\u67e5\u627e\u96c6\u5408\u4e2d\u7684\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u6aa2\u7d22\u6548\u7387\uff0c\u512a\u5316\u61c9\u7528\u6027\u80fd\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-125515","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125515","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=125515"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125515\/revisions"}],"predecessor-version":[{"id":125516,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125515\/revisions\/125516"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}