{"id":201443,"date":"2025-05-10T08:54:41","date_gmt":"2025-05-10T00:54:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201443\/"},"modified":"2025-05-10T08:54:41","modified_gmt":"2025-05-10T00:54:41","slug":"redis%e9%9b%86%e5%90%88%e7%b1%bb%e5%9e%8b%e4%bd%bf%e7%94%a8%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201443\/","title":{"rendered":"Redis\u96c6\u5408\u7c7b\u578b\u4f7f\u7528\u8bf4\u660e"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Redis\u96c6\u5408\u7c7b\u578b\u4f7f\u7528\u8bf4\u660e<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300aRedis\u96c6\u5408\u7c7b\u578b\u4f7f\u7528\u8bf4\u660e\u300b\uff0c\u804a\u804aRedis\u3001\u5143\u7d20\u3001\u96c6\u5408\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n<p>&nbsp; \u4eca\u5929\u6211\u4eec\u4e86\u89e3\u4e00\u4e0bRedis\u4e2d\u7684\u96c6\u5408\u7c7b\u578b\uff0c\u4e5f\u5c31\u662fset\u96c6\u5408\u3002\u5728Redis\u4e2dset\u4e5f\u662f\u53ef\u4ee5\u4fdd\u5b58\u591a\u4e2a\u5b57\u7b26\u4e32\u7684\u3002\u90a3\u4e48set\u96c6\u5408\u548clist\u94fe\u8868\u5230\u5e95\u6709\u4ec0\u4e48\u4e0d\u540c\u5462?\u4e0b\u9762\u6211\u4eec\u91cd\u70b9\u4ecb\u7ecd\u4e00\u4e0b\u5b83\u4eec\u4e4b\u95f4\u7684\u4e0d\u540c\u3002<\/p>\n<ul>\n<li>set\u4e2d\u7684\u5143\u7d20\u662f\u4e0d\u53ef\u4ee5\u91cd\u590d\u7684\uff0c\u800clist\u662f\u53ef\u4ee5\u4fdd\u5b58\u91cd\u590d\u5143\u7d20\u7684\u3002<\/li>\n<li>set\u4e2d\u7684\u5143\u7d20\u662f\u65e0\u5e8f\u7684\uff0c\u800clist\u4e2d\u7684\u5143\u7d20\u662f\u6709\u5e8f\u7684\u3002<\/li>\n<li>set\u4e2d\u7684\u5143\u7d20\u4e0d\u80fd\u901a\u8fc7\u7d22\u5f15\u4e0b\u6807\u83b7\u53d6\u5143\u7d20\uff0c\u800clist\u4e2d\u7684\u5143\u7d20\u5219\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u4e0b\u6807\u83b7\u53d6\u5143\u7d20\u3002<\/li>\n<li>\u9664\u6b64\u4e4b\u5916set\u8fd8\u652f\u6301\u66f4\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u591a\u4e2aset\u53d6\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u3001\u7b49\u7b49\u3002<\/li>\n<\/ul>\n<p>\u4e0b\u9762\u6211\u4eec\u4ecb\u7ecd\u4e00\u4e0bset\u4e2d\u7684\u76f8\u5173\u547d\u4ee4\u3002<\/p>\n<\/p>\n<h3>\u547d\u4ee4<\/h3>\n<h4>\u4e00\u3001\u96c6\u5408\u5185\u64cd\u4f5c<\/h4>\n<p><strong>1.\u6dfb\u52a0\u5143\u7d20<\/strong><\/p>\n<\/p>\n<pre>sadd&nbsp;key&nbsp;member&nbsp;[member&nbsp;...]&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790463ca62a0e329e.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>sadd\u547d\u4ee4\u4e5f\u662f\u6709\u8fd4\u56de\u503c\u7684\uff0c\u5b83\u7684\u8fd4\u56de\u503c\u5c31\u662f\u5f53\u524d\u6267\u884csadd\u547d\u4ee4\u6210\u529f\u6dfb\u52a0\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u56e0\u4e3aset\u4e2d\u4e0d\u80fd\u4fdd\u5b58\u91cd\u590d\u5143\u7d20\uff0c\u6240\u4ee5\u5728\u6267\u884c\uff1a<\/p>\n<\/p>\n<pre>sadd&nbsp;setkey&nbsp;c&nbsp;d&nbsp;\r\n<\/pre>\n<p>\u547d\u4ee4\u65f6\uff0c\u8fd4\u56de\u7684\u662f1\uff0c\u800c\u4e0d\u662f2\u3002\u56e0\u4e3a\u5143\u7d20c\uff0c\u5df2\u7ecf\u6210\u529f\u4fdd\u5b58\u5230set\u4e2d\uff0c\u4e0d\u5728\u7ee7\u7eed\u4fdd\u5b58\u4e86\uff0c\u53ea\u80fd\u5c06d\u4fdd\u5b58\u5230set\u4e2d\u3002<\/p>\n<p><strong>2.\u5220\u9664\u5143\u7d20<\/strong><\/p>\n<\/p>\n<pre>srem&nbsp;key&nbsp;member&nbsp;[member&nbsp;...]&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790563ca62a14031d.jpg\" style=\"max-width:100%\" class=\"aligncenter\"> <\/p>\n<p>&nbsp;<\/p>\n<p>srem\u547d\u4ee4\u548csadd\u547d\u4ee4\u4e00\u6837\u4e5f\u662f\u6709\u8fd4\u56de\u503c\u7684\uff0c\u8fd4\u56de\u503c\u5c31\u662f\u5f53\u524d\u5220\u9664\u5143\u7d20\u7684\u4e2a\u6570\u3002<\/p>\n<p><strong>3.\u8ba1\u7b97\u5143\u7d20\u4e2a\u6570<\/strong><\/p>\n<\/p>\n<pre>scard&nbsp;key&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790563ca62a18358b.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>scard\u547d\u4ee4\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e3aO(1)\uff0cscard\u547d\u4ee4\u4e0d\u4f1a\u904d\u5386set\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u800c\u662f\u76f4\u63a5\u4f7f\u7528Redis\u4e2d\u7684\u5185\u90e8\u53d8\u91cf\u3002<\/p>\n<p><strong>4.\u5224\u8bfb\u5143\u7d20\u662f\u5426\u5728\u96c6\u5408\u4e2d<\/strong><\/p>\n<\/p>\n<pre>sismember&nbsp;key&nbsp;member&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790563ca62a1e2f7f.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>sismember\u547d\u4ee4\u4e5f\u6709\u8fd4\u56de\u503c\uff0c\u5982\u679c\u8fd4\u56de\u503c\u4e3a1\u5219\u8868\u793a\u5f53\u524d\u5143\u7d20\u5728\u5f53\u524dset\u4e2d\uff0c\u5982\u679c\u8fd4\u56de0\u5219\u8868\u793a\u5f53\u524d\u5143\u7d20\u4e0d\u5728set\u4e2d\u3002<\/p>\n<p><strong>5.\u968f\u673a\u4eceset\u4e2d\u8fd4\u56de\u6307\u5b9a\u4e2a\u6570\u5143\u7d20<\/strong><\/p>\n<\/p>\n<pre>srandmember&nbsp;key&nbsp;[count]&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790663ca62a247575.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>srandmember\u547d\u4ee4\u4e2d\u6709\u4e00\u4e2a\u53ef\u9009\u53c2\u6570count\uff0ccount\u53c2\u6570\u6307\u7684\u662f\u8fd4\u56de\u5143\u7d20\u7684\u4e2a\u6570\uff0c\u5982\u679c\u5f53\u524dset\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\u5c0f\u4e8ecount\uff0c\u5219srandmember\u547d\u4ee4\u8fd4\u56de\u5f53\u524dset\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u5982\u679ccount\u53c2\u6570\u7b49\u4e8e0\uff0c\u5219\u4e0d\u8fd4\u56de\u4efb\u4f55\u6570\u636e\uff0c\u5982\u679ccount\u53c2\u6570\u5c0f\u4e8e0\uff0c\u5219\u968f\u673a\u8fd4\u56de\u5f53\u524dcount\u4e2a\u6570\u7684\u5143\u7d20\uff0c\u4e0d\u7ba1\u5f53\u524dset\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\u4e3a\u591a\u5c11\u3002<\/p>\n<p><strong>6.\u4ece\u96c6\u5408\u4e2d\u968f\u673a\u5f39\u51fa\u5143\u7d20<\/strong><\/p>\n<\/p>\n<pre>spop&nbsp;key&nbsp;[count]&nbsp;\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790663ca62a2aca6e.jpg\" style=\"max-width:100%\" class=\"aligncenter\"> <\/p>\n<p>spop\u547d\u4ee4\u4e5f\u662f\u968f\u673a\u4eceset\u4e2d\u5f39\u51fa\u5143\u7d20\uff0c\u5e76\u4e14\u4e5f\u652f\u6301count\u53ef\u9009\u53c2\u6570\uff0c\u4f46\u6709\u4e00\u70b9\u548csrandmember\u547d\u4ee4\u4e0d\u540c\u3002spop\u547d\u4ee4\u5728\u968f\u673a\u5f39\u51fa\u5143\u7d20\u4e4b\u540e\uff0c\u4f1a\u5c06\u5f39\u51fa\u7684\u5143\u7d20\u4eceset\u4e2d\u5220\u9664\uff0c\u800csrandmember\u547d\u4ee4\u5219\u4e0d\u540c\uff0c\u53ea\u4f1a\u968f\u673a\u5f39\u51fa\u5143\u7d20\uff0c\u5e76\u4e0d\u4f1a\u5c06\u5143\u7d20\u4eceset\u4e2d\u5220\u9664\u3002<\/p>\n<p><strong>7.\u83b7\u53d6\u6240\u6709\u5143\u7d20<\/strong><\/p>\n<\/p>\n<pre>smembers&nbsp;key&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790663ca62a2f3e77.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>smembers\u547d\u4ee4\u867d\u7136\u80fd\u83b7\u53d6\u5f53\u524dset\u4e2d\u6240\u6709\u7684\u5143\u7d20\uff0c\u4f46smembers\u547d\u4ee4\u8fd4\u56de\u5143\u7d20\u7684\u987a\u5e8f\u4e0esadd\u6dfb\u52a0\u5143\u7d20\u7684\u987a\u5e8f\u4e0d\u4e00\u5b9a\u76f8\u540c\uff0c\u8fd9\u4e5f\u5c31\u662f\u524d\u9762\u63d0\u5230\u8fc7\u7684\u4fdd\u5b58\u5728set\u4e2d\u7684\u5143\u7d20\u662f\u65e0\u5e8f\u7684\u3002<\/p>\n<p><strong>\u4e8c\u3001\u96c6\u5408\u95f4\u64cd\u4f5c<\/strong><\/p>\n<p><strong>1.\u96c6\u5408\u7684\u4ea4\u96c6<\/strong><\/p>\n<\/p>\n<pre>sinter&nbsp;key&nbsp;[key&nbsp;...]&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790763ca62a34d29f.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p><strong>2.\u96c6\u5408\u7684\u5e76\u96c6<\/strong><\/p>\n<\/p>\n<pre>sunion&nbsp;key&nbsp;[key&nbsp;...]&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790763ca62a39e65a.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p><strong>3.\u96c6\u5408\u7684\u5dee\u96c6<\/strong><\/p>\n<\/p>\n<pre>sdiff&nbsp;key&nbsp;[key&nbsp;...]&nbsp;\r\n<\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790763ca62a3e33ff.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p><strong>4.\u5c06\u96c6\u5408\u7684\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7684\u7ed3\u679c\u4fdd\u5b58<\/strong><\/p>\n<\/p>\n<pre>sinterstore&nbsp;destination&nbsp;key&nbsp;[key&nbsp;...]&nbsp;\r\nsunionstore&nbsp;destination&nbsp;key&nbsp;[key&nbsp;...]&nbsp;\r\nsdiffstore&nbsp;destination&nbsp;key&nbsp;[key&nbsp;...]&nbsp;\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790863ca62a43ebee.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>\u4e3a\u4ec0\u4e48Redis\u8981\u63d0\u4f9b\u4e86sinterstore\u3001sunionstore\u3001sdiffstore\u547d\u4ee4\u6765\u5c06\u96c6\u5408\u7684\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7684\u7ed3\u679c\u4fdd\u5b58\u8d77\u6765\u5462?\u8fd9\u662f\u56e0\u4e3aRedis\u5728\u8fdb\u884c\u4e0a\u8ff0\u6bd4\u8f83\u65f6\uff0c\u4f1a\u6bd4\u8f83\u8017\u8d39\u65f6\u95f4\uff0c\u6240\u4ee5\u4e3a\u4e86\u63d0\u9ad8\u6027\u80fd\u53ef\u4ee5\u5c06\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7684\u7ed3\u679c\u63d0\u524d\u4fdd\u5b58\u65f6\u6765\uff0c\u8fd9\u6837\u5728\u9700\u8981\u4f7f\u7528\u65f6\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7smembers\u547d\u4ee4\u83b7\u53d6\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u770b\u4e00\u4e0bset\u4e2d\u76f8\u5173\u547d\u4ee4\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790863ca62a496df9.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<h3><strong>\u5185\u90e8\u7f16\u7801<\/strong><\/h3>\n<ul>\n<li>intset(\u6574\u6570\u96c6\u5408):\u5f53\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u90fd\u662f\u6574\u6570\uff0c\u5e76\u4e14\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u4e2a\u6570\u5c0f\u4e8e512\u4e2a\u65f6\uff0cRedis\u4f1a\u9009\u7528intset\u4f5c\u4e3a\u5e95\u5c42\u5185\u90e8\u5b9e\u73b0\u3002<\/li>\n<li>hashtable(\u54c8\u5e0c\u8868):\u5f53\u6761\u4ef6\u4e0d\u6ee1\u8db3\u4e0a\u8ff0\u65f6\uff0cRedis\u4f1a\u91c7\u7528hashtable\u4f5c\u4e3a\u5e95\u5c42\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<p>\u5907\u6ce8\uff1a\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7set-max-intset-entries\u53c2\u6570\u6765\u8bbe\u7f6e\u4e0a\u8ff0\u4e2d\u7684\u9ed8\u8ba4\u53c2\u6570\u3002<\/p>\n<p>\u4e0b\u9762\u6211\u4eec\u770b\u4e00\u4e0b\u5177\u4f53\u7684\u4e8b\u4f8b\uff0c\u6765\u9a8c\u8bc1\u6211\u4eec\u4e0a\u9762\u63d0\u5230\u7684\u5185\u90e8\u7f16\u7801\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790863ca62a4db6ef.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>1.\u5f53\u5143\u7d20\u4e2a\u6570\u8f83\u5c11\u5e76\u4e14\u90fd\u662f\u6574\u6570\u65f6\uff0c\u5185\u90e8\u7f16\u7801\u4e3aintset\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790963ca62a536fdb.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>2.\u5f53\u5143\u7d20\u4e0d\u5168\u662f\u6574\u6570\u65f6\uff0c\u5185\u90e8\u7f16\u7801\u4e3ahashtable\u3002<\/p>\n<p>3.\u5f53\u5143\u7d20\u4e2a\u6570\u8d85\u8fc7512\u4e2a\u65f6\uff0c\u5185\u90e8\u7f16\u7801\u4e3ahashtable\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790963ca62a583d44.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n<br \/> <br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230120\/167420790963ca62a5e9781.jpg\" style=\"max-width:100%\" class=\"aligncenter\"><br \/>\n <\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c31\u662fRedis\u4e2d\u7684\u96c6\u5408\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u5982\u6709\u4e0d\u6b63\u786e\u7684\u5730\u65b9\u6b22\u8fce\u6307\u51fa\uff0c\u8c22\u8c22\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis\u96c6\u5408\u7c7b\u578b\u4f7f\u7528\u8bf4\u660e 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