{"id":181164,"date":"2024-11-09T14:46:19","date_gmt":"2024-11-09T06:46:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/181164\/"},"modified":"2024-11-09T14:46:20","modified_gmt":"2024-11-09T06:46:20","slug":"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3redis%e7%9a%84set%e5%8e%9f%e7%90%86%ef%bc%88redis%e7%9a%84set%e5%8e%9f%e7%90%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/181164\/","title":{"rendered":"\u6df1\u5165\u7406\u89e3Redis\u7684Set\u539f\u7406\uff08redis\u7684set\u539f\u7406\uff09"},"content":{"rendered":"<h1 id=\"%e6%b7%b1%e5%85%a5%e7%90%86%e8%a7%a3redis%e7%9a%84set%e5%8e%9f%e7%90%86-rcjbttvvKk\">\u6df1\u5165\u7406\u89e3Redis\u7684Set\u539f\u7406<\/h1>\n<p>Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u9ad8\u6027\u80fd\u952e\u503c\u6570\u636e\u5e93\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u548c\u5b9e\u65f6\u6570\u636e\u5904\u7406\u7b49\u573a\u666f\u3002\u5176\u6570\u636e\u7ed3\u6784\u4e30\u5bcc\uff0c\u5176\u4e2dSet\uff08\u96c6\u5408\uff09\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u7c7b\u578b\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Redis\u7684Set\u539f\u7406\uff0c\u5305\u62ec\u5176\u57fa\u672c\u7279\u6027\u3001\u5b9e\u73b0\u673a\u5236\u4ee5\u53ca\u5e38\u89c1\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afredis%e7%9a%84set-rcjbttvvKk\">\u4ec0\u4e48\u662fRedis\u7684Set<\/h2>\n<p>\u5728Redis\u4e2d\uff0cSet\u662f\u4e00\u79cd\u65e0\u5e8f\u4e14\u4e0d\u91cd\u590d\u7684\u5b57\u7b26\u4e32\u96c6\u5408\u3002\u4e0e\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u76f8\u6bd4\uff0cSet\u5177\u6709\u4ee5\u4e0b\u51e0\u4e2a\u663e\u8457\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u65e0\u5e8f\u6027\uff1aSet\u4e2d\u7684\u5143\u7d20\u6ca1\u6709\u7279\u5b9a\u7684\u987a\u5e8f\u3002<\/li>\n<li>\u552f\u4e00\u6027\uff1aSet\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u552f\u4e00\u7684\uff0c\u4e0d\u80fd\u91cd\u590d\u3002<\/li>\n<li>\u9ad8\u6548\u6027\uff1aRedis\u5bf9Set\u7684\u64cd\u4f5c\uff08\u5982\u6dfb\u52a0\u3001\u5220\u9664\u3001\u67e5\u627e\uff09\u90fd\u5177\u6709O(1)\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-set%e7%9a%84%e5%ae%9e%e7%8e%b0%e5%8e%9f%e7%90%86-rcjbttvvKk\">Redis Set\u7684\u5b9e\u73b0\u539f\u7406<\/h2>\n<p>Redis\u7684Set\u662f\u901a\u8fc7\u54c8\u5e0c\u8868\uff08hash table\uff09\u548c\u538b\u7f29\u5217\u8868\uff08ziplist\uff09\u6765\u5b9e\u73b0\u7684\u3002\u5177\u4f53\u6765\u8bf4\uff0cRedis\u4f7f\u7528\u4ee5\u4e0b\u4e24\u79cd\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8Set\u4e2d\u7684\u5143\u7d20\uff1a<\/p>\n<h3 id=\"1-%e5%93%88%e5%b8%8c%e8%a1%a8-rcjbttvvKk\">1. \u54c8\u5e0c\u8868<\/h3>\n<p>\u5f53Set\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u8f83\u591a\u65f6\uff0cRedis\u4f1a\u4f7f\u7528\u54c8\u5e0c\u8868\u6765\u5b58\u50a8\u8fd9\u4e9b\u5143\u7d20\u3002\u54c8\u5e0c\u8868\u7684\u4f18\u70b9\u5728\u4e8e\u5176\u67e5\u627e\u3001\u63d2\u5165\u548c\u5220\u9664\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5747\u4e3aO(1)\u3002\u5728\u54c8\u5e0c\u8868\u4e2d\uff0c\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u4f5c\u4e3a\u952e\uff0c\u503c\u4e3aNULL\u3002\u8fd9\u6837\u53ef\u4ee5\u5feb\u901f\u5224\u65ad\u4e00\u4e2a\u5143\u7d20\u662f\u5426\u5b58\u5728\u4e8eSet\u4e2d\u3002<\/p>\n<h3 id=\"2-%e5%8e%8b%e7%bc%a9%e5%88%97%e8%a1%a8-rcjbttvvKk\">2. \u538b\u7f29\u5217\u8868<\/h3>\n<p>\u5f53Set\u4e2d\u7684\u5143\u7d20\u6570\u91cf\u8f83\u5c11\u65f6\uff0cRedis\u4f1a\u4f7f\u7528\u538b\u7f29\u5217\u8868\u6765\u8282\u7701\u5185\u5b58\u3002\u538b\u7f29\u5217\u8868\u662f\u4e00\u79cd\u8fde\u7eed\u7684\u5185\u5b58\u5757\uff0c\u9002\u5408\u5b58\u50a8\u5c0f\u6570\u91cf\u7684\u5143\u7d20\u3002\u5b83\u901a\u8fc7\u5c06\u591a\u4e2a\u5143\u7d20\u538b\u7f29\u5728\u4e00\u8d77\uff0c\u51cf\u5c11\u5185\u5b58\u5360\u7528\u3002\u538b\u7f29\u5217\u8868\u7684\u67e5\u627e\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(n)\uff0c\u4f46\u7531\u4e8e\u5176\u5185\u5b58\u5360\u7528\u5c0f\uff0c\u9002\u5408\u5c0f\u89c4\u6a21\u6570\u636e\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a7%81%e7%9a%84set%e6%93%8d%e4%bd%9c-rcjbttvvKk\">\u5e38\u89c1\u7684Set\u64cd\u4f5c<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u79cd\u64cd\u4f5c\u6765\u7ba1\u7406Set\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>SADD key member [member ...]<\/code>\uff1a\u5411Set\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u3002<\/li>\n<li><code>SREM key member [member ...]<\/code>\uff1a\u4eceSet\u4e2d\u5220\u9664\u4e00\u4e2a\u6216\u591a\u4e2a\u5143\u7d20\u3002<\/li>\n<li><code>SMEMBERS key<\/code>\uff1a\u8fd4\u56deSet\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/li>\n<li><code>SISMEMBER key member<\/code>\uff1a\u5224\u65ad\u67d0\u4e2a\u5143\u7d20\u662f\u5426\u5728Set\u4e2d\u3002<\/li>\n<li><code>SCARD key<\/code>\uff1a\u8fd4\u56deSet\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684Set\u547d\u4ee4\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; SADD myset \"apple\" \"banana\" \"orange\"\n(integer) 3\n127.0.0.1:6379&gt; SMEMBERS myset\n1) \"apple\"\n2) \"banana\"\n3) \"orange\"\n127.0.0.1:6379&gt; SISMEMBER myset \"banana\"\n(integer) 1\n127.0.0.1:6379&gt; SCARD myset\n(integer) 3\n<\/code><\/pre>\n<h2 id=\"set%e7%9a%84%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af-rcjbttvvKk\">Set\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>Redis\u7684Set\u5728\u8bb8\u591a\u573a\u666f\u4e2d\u90fd\u80fd\u53d1\u6325\u91cd\u8981\u4f5c\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u793e\u4ea4\u7f51\u7edc\uff1a\u7528\u4e8e\u5b58\u50a8\u7528\u6237\u7684\u597d\u53cb\u5217\u8868\u6216\u5173\u6ce8\u8005\u3002<\/li>\n<li>\u6807\u7b7e\u7cfb\u7edf\uff1a\u7528\u4e8e\u5b58\u50a8\u6587\u7ae0\u6216\u4ea7\u54c1\u7684\u6807\u7b7e\u3002<\/li>\n<li>\u53bb\u91cd\uff1a\u7528\u4e8e\u5b58\u50a8\u552f\u4e00\u7684\u8bbf\u95ee\u8005\u6216\u7528\u6237\u884c\u4e3a\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-rcjbttvvKk\">\u603b\u7ed3<\/h2>\n<p>Redis\u7684Set\u662f\u4e00\u79cd\u9ad8\u6548\u4e14\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u7406\u89e3\u5176\u5b9e\u73b0\u539f\u7406\u548c\u5e38\u89c1\u64cd\u4f5c\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528Redis\u6765\u6ee1\u8db3\u4e1a\u52a1\u9700\u6c42\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u51b3\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u79cd\u9009\u62e9\uff0c\u5e2e\u52a9\u60a8\u8f7b\u677e\u90e8\u7f72\u548c\u7ba1\u7406Redis\u7b49\u670d\u52a1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u7406\u89e3Redis\u7684Set\u539f\u7406\uff0c\u63a2\u7d22\u5176\u6570\u636e\u7ed3\u6784\u3001\u64cd\u4f5c\u65b9\u6cd5\u53ca\u5e94\u7528\u573a\u666f\uff0c\u63d0\u5347Redis\u4f7f\u7528\u6548\u7387\u4e0e\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-181164","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181164","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=181164"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181164\/revisions"}],"predecessor-version":[{"id":181165,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/181164\/revisions\/181165"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=181164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=181164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=181164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}