{"id":167099,"date":"2024-11-05T22:21:19","date_gmt":"2024-11-05T14:21:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167099\/"},"modified":"2024-11-05T22:21:19","modified_gmt":"2024-11-05T14:21:19","slug":"%e5%88%a9%e7%94%a8redis%e9%81%8d%e6%ad%b7set%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88redis-%e9%81%8d%e6%ad%b7set%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167099\/","title":{"rendered":"\u5229\u7528Redis\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\uff08redis \u904d\u6b77set\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e9%81%8d%e6%ad%b7set%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88redis-%e9%81%8d%e6%ad%b7set%ef%bc%89-OINMgRyYaS\">\u5229\u7528Redis\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\uff08redis \u904d\u6b77set\uff09<\/h1>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u5b58\u53d6\u6578\u64da\u7684\u61c9\u7528\u4e2d\u3002Set\u662f\u4e00\u7a2e\u7121\u5e8f\u4e14\u4e0d\u91cd\u8907\u7684\u6578\u64da\u7d50\u69cb\uff0c\u9069\u5408\u7528\u4f86\u5b58\u5132\u552f\u4e00\u7684\u5143\u7d20\u3002\u5728Redis\u4e2d\uff0c\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u64cd\u4f5c\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u6709\u6548\u5730\u5229\u7528Redis\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"redis-set%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%93%8d%e4%bd%9c-OINMgRyYaS\">Redis Set\u7684\u57fa\u672c\u64cd\u4f5c<\/h2>\n<p>\u5728\u6df1\u5165\u904d\u6b77\u4e4b\u524d\uff0c\u6211\u5011\u5148\u4f86\u4e86\u89e3Redis Set\u7684\u4e00\u4e9b\u57fa\u672c\u64cd\u4f5c\u3002\u4f7f\u7528Redis\u7684\u547d\u4ee4\u884c\u5de5\u5177\u6216\u5ba2\u6236\u7aef\u5eab\uff0c\u6211\u5011\u53ef\u4ee5\u9032\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li><code>SADD<\/code>\uff1a\u5411Set\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002<\/li>\n<li><code>SMEMBERS<\/code>\uff1a\u7372\u53d6Set\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002<\/li>\n<li><code>SREM<\/code>\uff1a\u5f9eSet\u4e2d\u522a\u9664\u5143\u7d20\u3002<\/li>\n<li><code>SCARD<\/code>\uff1a\u7372\u53d6Set\u4e2d\u5143\u7d20\u7684\u6578\u91cf\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba\u201cmyset\u201d\u7684Set\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u6dfb\u52a0\u5143\u7d20\uff1a<\/p>\n<pre><code>SADD myset \"apple\" \"banana\" \"cherry\"<\/code><\/pre>\n<h2 id=\"%e9%81%8d%e6%ad%b7set%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a-OINMgRyYaS\">\u904d\u6b77Set\u4e2d\u7684\u6578\u64da<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\u53ef\u4ee5\u901a\u904e\u5e7e\u7a2e\u4e0d\u540c\u7684\u65b9\u6cd5\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8smembers%e5%91%bd%e4%bb%a4-OINMgRyYaS\">1. \u4f7f\u7528SMEMBERS\u547d\u4ee4<\/h3>\n<p>\u6700\u7c21\u55ae\u7684\u65b9\u5f0f\u662f\u4f7f\u7528<code>SMEMBERS<\/code>\u547d\u4ee4\u4f86\u7372\u53d6Set\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56deSet\u4e2d\u7684\u6240\u6709\u6210\u54e1\uff0c\u7136\u5f8c\u6211\u5011\u53ef\u4ee5\u5728\u61c9\u7528\u7a0b\u5e8f\u4e2d\u9032\u884c\u904d\u6b77\u3002<\/p>\n<pre><code>SMEMBERS myset<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u500b\u5305\u542b\u201capple\u201d\u3001\u201cbanana\u201d\u548c\u201ccherry\u201d\u7684\u5217\u8868\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\u7684\u5faa\u74b0\u7d50\u69cb\u4f86\u904d\u6b77\u9019\u4e9b\u5143\u7d20\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8sscan%e5%91%bd%e4%bb%a4-OINMgRyYaS\">2. \u4f7f\u7528SSCAN\u547d\u4ee4<\/h3>\n<p>\u5c0d\u65bc\u5927\u578bSet\uff0c\u4f7f\u7528<code>SMEMBERS<\/code>\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\uff0c\u56e0\u70ba\u5b83\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u5143\u7d20\u3002\u6b64\u6642\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528<code>SSCAN<\/code>\u547d\u4ee4\u9032\u884c\u589e\u91cf\u904d\u6b77\u3002<code>SSCAN<\/code>\u547d\u4ee4\u5141\u8a31\u6211\u5011\u5206\u6279\u7372\u53d6Set\u4e2d\u7684\u5143\u7d20\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n<pre><code>SSCAN myset 0<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u500b\u6e38\u6a19\u548c\u4e00\u7d44\u5143\u7d20\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u8fd4\u56de\u7684\u6e38\u6a19\u4f86\u9032\u884c\u4e0b\u4e00\u6b21\u7684\u6383\u63cf\uff0c\u76f4\u5230\u6e38\u6a19\u70ba0\u70ba\u6b62\uff0c\u8868\u793a\u904d\u6b77\u5b8c\u6210\u3002<\/p>\n<h4 id=\"sscan%e7%9a%84%e7%a4%ba%e4%be%8b-OINMgRyYaS\">SSCAN\u7684\u793a\u4f8b<\/h4>\n<pre><code>\nlocal cursor = \"0\"\nrepeat\n    local result = redis.call(\"SSCAN\", \"myset\", cursor)\n    cursor = result[1]\n    local elements = result[2]\n    for i, element in ipairs(elements) do\n        print(element)\n    end\nuntil cursor == \"0\"\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-OINMgRyYaS\">\u7d50\u8ad6<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\uff0c\u7121\u8ad6\u662f\u4f7f\u7528<code>SMEMBERS<\/code>\u9084\u662f<code>SSCAN<\/code>\uff0c\u90fd\u80fd\u5920\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u3002\u5c0d\u65bc\u5c0f\u578bSet\uff0c<code>SMEMBERS<\/code>\u662f\u6700\u7c21\u55ae\u7684\u9078\u64c7\uff0c\u800c\u5c0d\u65bc\u5927\u578bSet\uff0c<code>SSCAN<\/code>\u5247\u80fd\u5920\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u548c\u6027\u80fd\u3002<\/p>\n<p>\u5728\u9078\u64c7\u5408\u9069\u7684Redis\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\u6642\uff0c\u4e86\u89e3\u5176\u7279\u6027\u548c\u6027\u80fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u5229\u7528Redis\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-OINMgRyYaS\">\u7e3d\u7d50<\/h2>\n<p>Redis\u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5eab\uff0c\u80fd\u5920\u9ad8\u6548\u5730\u8655\u7406Set\u4e2d\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528<code>SMEMBERS<\/code>\u9084\u662f<code>SSCAN<\/code>\uff0c\u90fd\u80fd\u5920\u6839\u64da\u9700\u6c42\u9032\u884c\u9748\u6d3b\u7684\u6578\u64da\u904d\u6b77\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u9ad8\u6548\u904d\u6b77Set\u4e2d\u7684\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6027\u80fd\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\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-167099","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167099","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=167099"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167099\/revisions"}],"predecessor-version":[{"id":167100,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167099\/revisions\/167100"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}