{"id":201119,"date":"2025-05-10T10:32:31","date_gmt":"2025-05-10T02:32:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201119\/"},"modified":"2025-05-10T10:32:31","modified_gmt":"2025-05-10T02:32:31","slug":"redis%e5%9f%ba%e6%9c%ac%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8bset%e5%b8%b8%e7%94%a8%e6%93%8d%e4%bd%9c%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201119\/","title":{"rendered":"Redis\u57fa\u672c\u6570\u636e\u7c7b\u578bSet\u5e38\u7528\u64cd\u4f5c\u547d\u4ee4"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u57fa\u672c\u6570\u636e\u7c7b\u578bSet\u5e38\u7528\u64cd\u4f5c\u547d\u4ee4<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300aRedis\u57fa\u672c\u6570\u636e\u7c7b\u578bSet\u5e38\u7528\u64cd\u4f5c\u547d\u4ee4\u300b\uff0c\u4e3b\u8981\u5305\u62ecset\u3001\u64cd\u4f5c\u547d\u4ee4\u3001Redis\u6570\u636e\u7c7b\u578b\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<h2>Redis\u57fa\u672c\u6570\u636e\u7c7b\u578bSet\u5e38\u7528\u64cd\u4f5c<\/h2>\n<p>Set\u662fString\u7c7b\u578b\u7684\u65e0\u5e8f\u96c6\u5408\u3002\u96c6\u5408\u6210\u5458\u662f\u552f\u4e00\u7684\uff0c\u8fd9\u5c31\u610f\u5473\u7740\u96c6\u5408\u4e2d\u4e0d\u80fd\u51fa\u73b0\u91cd\u590d\u7684\u6570\u636e\u3002<\/p>\n<p>\u53e6\u5916\uff0credis\u4e2d\u7684set\u662f\u901a\u8fc7\u54c8\u5e0c\u8868\u5b9e\u73b0\u7684\uff0c\u6240\u4ee5\u6dfb\u52a0\uff0c\u5220\u9664\uff0c\u67e5\u627e\u7684\u590d\u6742\u5ea6\u90fd\u662f O(1)\u3002<\/p>\n<h3>\u4e00\u3001sadd \u6dfb\u52a0\u4e00\u4e2a\u3001\u591a\u4e2a\u5143\u7d20<\/h3>\n<p>\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u6210\u5458\u5143\u7d20\u52a0\u5165\u5230\u96c6\u5408\u4e2d\uff0c\u5df2\u7ecf\u5b58\u5728\u4e8e\u96c6\u5408\u7684\u6210\u5458\u5143\u7d20\u5c06\u88ab\u5ffd\u7565\u3002<br \/>\u82e5key\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u53ea\u5305\u542b\u6dfb\u52a0\u7684\u5143\u7d20\u4f5c\u6210\u5458\u7684\u96c6\u5408\u3002<\/p>\n<pre>sadd myset hello pingguo test<\/pre>\n<p>\u82e5key\u4e0d\u662f\u96c6\u5408\u7c7b\u578b\u65f6\uff0c\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932063ae2d98cfcbc.png\" class=\"aligncenter\"><\/p>\n<h3>\u4e8c\u3001smembers \u67e5\u770b\u96c6\u5408<\/h3>\n<p>\u8fd4\u56de\u96c6\u5408\u4e2d\u7684\u6240\u6709\u7684\u6210\u5458\u3002<\/p>\n<pre>smembers myset<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932163ae2d994a012.png\" class=\"aligncenter\"><\/p>\n<h3>\u4e09\u3001scard \u5143\u7d20\u6570\u91cf<\/h3>\n<p>\u8fd4\u56de\u96c6\u5408\u4e2d\u5143\u7d20\u7684\u6570\u91cf\u3002<\/p>\n<pre>scard myset<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932163ae2d99aa47b.png\" class=\"aligncenter\"><\/p>\n<h3>\u56db\u3001srem \u79fb\u9664\u4e00\u4e2a\u3001\u591a\u4e2a\u5143\u7d20<\/h3>\n<p>\u7528\u4e8e\u79fb\u9664\u96c6\u5408\u4e2d\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u6210\u5458\u5143\u7d20\uff0c\u4e0d\u5b58\u5728\u7684\u6210\u5458\u5143\u7d20\u4f1a\u88ab\u5ffd\u7565\u3002<br \/>\u5f53key\u4e0d\u662f\u96c6\u5408\u7c7b\u578b\uff0c\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002<\/p>\n<pre>srem myset hello test<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932263ae2d9a1f895.png\" class=\"aligncenter\"><\/p>\n<h3>\u4e94\u3001srandmember \u968f\u673a\u5143\u7d20<\/h3>\n<p>\u7528\u4e8e\u8fd4\u56de\u96c6\u5408\u4e2d\u7684\u4e00\u4e2a\u968f\u673a\u5143\u7d20\u3002<\/p>\n<pre>srandmember myset 3<\/pre>\n<p>\u8fd9\u91cc\u968f\u673a\u62bd\u53d63\u4e2a\u5143\u7d20\uff0c\u6ce8\u610f\u8fd9\u91cc\u4ec5\u4ec5\u8fd4\u56de\u968f\u673a\u5143\u7d20\uff0c\u800c\u4e0d\u5bf9\u96c6\u5408\u8fdb\u884c\u4efb\u4f55\u6539\u52a8\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932263ae2d9a956c9.png\" class=\"aligncenter\"><\/p>\n<h3>\u516d\u3001spop \u968f\u673a\u79fb\u9664\u4e00\u4e2a\u3001\u591a\u4e2a\u5143\u7d20<\/h3>\n<p>\u79fb\u9664\u96c6\u5408\u4e2d\u7684\u6307\u5b9akey\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u968f\u673a\u5143\u7d20\uff0c\u79fb\u9664\u540e\u4f1a\u8fd4\u56de\u79fb\u9664\u7684\u5143\u7d20\u3002<\/p>\n<pre>spop myset 2<\/pre>\n<p>\u8ddf\u4e0a\u9762\u7684<code>srandmember<\/code>\u533a\u522b\u5f00\uff0c\u867d\u7136\u90fd\u662f\u968f\u673a\uff0c\u4f46\u662f\u8fd9\u91cc\u7684<code>spop<\/code>\u4fee\u6539\u4e86\u96c6\u5408\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932263ae2d9aefd1a.png\" class=\"aligncenter\"><\/p>\n<h3>\u4e03\u3001smove \u79fb\u52a8\u5143\u7d20\u5230\u76ee\u6807\u96c6\u5408<\/h3>\n<p>smove source destination member\u5c06\u6307\u5b9a\u6210\u5458 member \u5143\u7d20\u4ece source \u96c6\u5408\u79fb\u52a8\u5230 destination \u96c6\u5408\u3002<\/p>\n<pre>smove myset myset2 pingguo<\/pre>\n<p>\u5982\u679c\u539f\u96c6\u5408\u4e0d\u5b58\u5728\u6216\u4e0d\u5305\u542b\u6307\u5b9a\u7684\u5143\u7d20\uff0c\u5219\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u4ec5\u8fd4\u56de 0\u3002\u5426\u5219\uff0c\u79fb\u52a8\u6210\u529f\u3002<\/p>\n<p>\u5982\u679c\u76ee\u6807\u96c6\u5408\u91cc\u5df2\u7ecf\u5b58\u5728\u4e86\u6b64\u5143\u7d20\uff0c\u90a3\u4e48\u547d\u4ee4\u53ea\u4f1a\u79fb\u9664\u539f\u96c6\u5408\u91cc\u7684\u5143\u7d20\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932463ae2d9c3c18b.png\" class=\"aligncenter\"><\/p>\n<h3>\u516b\u3001sdiff \u5dee\u96c6<\/h3>\n<p>\u8fd4\u56de\u7b2c\u4e00\u4e2a\u96c6\u5408\u4e0e\u5176\u4ed6\u96c6\u5408\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4e5f\u53ef\u4ee5\u8bf4\u662f\u7b2c\u4e00\u4e2a\u96c6\u5408\u4e2d\u72ec\u6709\u7684\u5143\u7d20\u3002<\/p>\n<pre>sdiff myset myset2 myset3<\/pre>\n<p>\u6ce8\u610f\uff0c\u8fd9\u91cc\u5dee\u96c6\u7684\u7ed3\u679c\u6765\u81ea\u524d\u9762\u7684<code>myset<\/code>\u3002<\/p>\n<h3>\u4e5d\u3001sinter \u4ea4\u96c6<\/h3>\n<p>\u8fd4\u56de\u7ed9\u5b9a\u6240\u6709\u7ed9\u5b9a\u96c6\u5408\u7684\u4ea4\u96c6\uff0c\u5f53\u7ed9\u5b9a\u96c6\u5408\u5f53\u4e2d\u6709\u4e00\u4e2a\u7a7a\u96c6\u65f6\uff0c\u7ed3\u679c\u4e5f\u4e3a\u7a7a\u96c6\u3002<\/p>\n<pre>sinter myset myset2 myset3sinter myset myset3<\/pre>\n<p>\u8fd9\u91cc\u5f53\u6bd4\u8f833\u4e2a\u96c6\u5408<code>myset myset2 myset3<\/code>\u65f6\uff0c<code>myset2<\/code>\u91cc\u8ddf\u5176\u4ed62\u4e2a\u6ca1\u6709\u4efb\u4f55\u4ea4\u96c6\uff0c\u6240\u4ee5\u6574\u4e2a\u7ed3\u679c\u8fd4\u56de\u7a7a\u96c6\u3002<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932463ae2d9ccf803.png\" class=\"aligncenter\"><\/p>\n<h3>\u5341\u3001sunion \u5e76\u96c6<\/h3>\n<p>\u8fd4\u56de\u7ed9\u5b9a\u96c6\u5408\u7684\u5e76\u96c6\uff0c\u4e0d\u5b58\u5728\u7684\u96c6\u5408 key \u88ab\u89c6\u4e3a\u7a7a\u96c6\u3002<\/p>\n<pre>sunion myset myset2 myset3<\/pre>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20221230\/167235932563ae2d9d3b77d.png\" class=\"aligncenter\"><\/p>\n<p>\u96c6\u5408\u5229\u7528\u5dee\u3001\u5e76\u3001\u4ea4\u96c6\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u4e00\u4e9b\u573a\u666f\u7684\u529f\u80fd\u3002\u6bd4\u5982\u793e\u4ea4\u8f6f\u4ef6\u4e2d\uff0c\u628aA\u7528\u6237\u5173\u6ce8\u7684\u6240\u6709\u4eba\u653e\u5230\u4e00\u4e2aset\u91cc\uff0c\u7136\u540e\u5c06B\u7528\u6237\u7684\u7c89\u4e1d\u653e\u53e6\u4e00\u4e2aset2\u91cc\u3002<br \/>\u90a3\u4e48A, B\u4e24\u4e2a\u7528\u6237\u5171\u540c\u5173\u6ce8\u7684\u4eba\u5c31\u662f\u4ea4\u96c6\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u57fa\u672c\u6570\u636e\u7c7b\u578bSet\u5e38\u7528&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201119","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201119","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201119"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201119\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}