{"id":259,"date":"2023-02-24T06:15:40","date_gmt":"2023-02-23T22:15:40","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=259"},"modified":"2023-02-24T06:15:47","modified_gmt":"2023-02-23T22:15:47","slug":"redis-set","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/24\/redis-set\/","title":{"rendered":"Redis \u96c6\u5408(Set)"},"content":{"rendered":"<h2>Redis \u96c6\u5408(Set)<\/h2>\n<ul>\n<li>Redis \u7684 Set \u662f String \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<\/li>\n<li>Redis \u4e2d\u96c6\u5408\u662f\u901a\u8fc7\u54c8\u5e0c\u8868\u5b9e\u73b0\u7684\uff0c\u6240\u4ee5\u6dfb\u52a0\u3001\u5220\u9664\u3001\u67e5\u627e\u7684\u590d\u6742\u5ea6\u90fd\u662f O(1)<\/li>\n<li>\u96c6\u5408\u4e2d\u6700\u5927\u7684\u6210\u5458\u6570\u4e3a 2^32 &#8211; 1 (4294967295, \u6bcf\u4e2a\u96c6\u5408\u53ef\u5b58\u50a840\u591a\u4ebf\u4e2a\u6210\u5458)<\/li>\n<\/ul>\n<p><!-- more --><\/p>\n<p><strong>\u5b9e\u4f8b<\/strong><\/p>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD appblog redis\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD appblog mongodb\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD appblog mysql\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD appblog mysql\n(integer) 0\nredis 127.0.0.1:6379&gt; SMEMBERS appblog\n\n1) &quot;mysql&quot;\n2) &quot;mongodb&quot;\n3) &quot;redis&quot;<\/code><\/pre>\n<p>\u5728\u4ee5\u4e0a\u5b9e\u4f8b\u4e2d\u6211\u4eec\u901a\u8fc7 SADD \u547d\u4ee4\u5411\u540d\u4e3a appblog \u7684\u96c6\u5408\u63d2\u5165\u7684\u4e09\u4e2a\u5143\u7d20\u3002<\/p>\n<h2>Redis \u96c6\u5408\u547d\u4ee4<\/h2>\n<h3>SADD key member1 [member2]<\/h3>\n<p>\u5411\u96c6\u5408\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u6210\u5458<\/p>\n<ul>\n<li>\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<\/li>\n<li>\u5047\u5982\u96c6\u5408 key \u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u4e00\u4e2a\u53ea\u5305\u542b\u6dfb\u52a0\u7684\u5143\u7d20\u4f5c\u6210\u5458\u7684\u96c6\u5408<\/li>\n<li>\u5f53\u96c6\u5408 key \u4e0d\u662f\u96c6\u5408\u7c7b\u578b\u65f6\uff0c\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;foo&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;hello&quot;\n(integer) 0\nredis 127.0.0.1:6379&gt; SMEMBERS myset\n1) &quot;hello&quot;\n2) &quot;foo&quot;<\/code><\/pre>\n<h3>SCARD key<\/h3>\n<p>\u83b7\u53d6\u96c6\u5408\u7684\u6210\u5458\u6570\uff0c\u5f53\u96c6\u5408 key \u4e0d\u5b58\u5728\u65f6\uff0c\u8fd4\u56de 0<\/p>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;foo&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;hello&quot;\n(integer) 0\nredis 127.0.0.1:6379&gt; SCARD myset\n(integer) 2<\/code><\/pre>\n<h3>SDIFF key1 [key2]<\/h3>\n<p>\u8fd4\u56de\u7b2c\u4e00\u4e2a\u96c6\u5408\u4e0e\u5176\u4ed6\u96c6\u5408\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u4e5f\u53ef\u4ee5\u8ba4\u4e3a\u8bf4\u7b2c\u4e00\u4e2a\u96c6\u5408\u4e2d\u72ec\u6709\u7684\u5143\u7d20\u3002\u4e0d\u5b58\u5728\u7684\u96c6\u5408 key \u5c06\u89c6\u4e3a\u7a7a\u96c6\u3002<\/p>\n<p>\u5dee\u96c6\u7684\u7ed3\u679c\u6765\u81ea\u524d\u9762\u7684 FIRST_KEY ,\u800c\u4e0d\u662f\u540e\u9762\u7684 OTHER_KEY1\uff0c\u4e5f\u4e0d\u662f\u6574\u4e2a FIRST_KEY OTHER_KEY1..OTHER_KEYN \u7684\u5dee\u96c6\u3002<\/p>\n<p><strong>\u5b9e\u4f8b<\/strong><\/p>\n<pre><code class=\"language-bash\">key1 = {a,b,c,d}\nkey2 = {c}\nkey3 = {a,c,e}\nSDIFF key1 key2 key3 = {b,d}<\/code><\/pre>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code class=\"language-bash\">SDIFF FIRST_KEY OTHER_KEY1..OTHER_KEYN <\/code><\/pre>\n<pre><code class=\"language-bash\">redis&gt; SADD key1 &quot;a&quot;\n(integer) 1\nredis&gt; SADD key1 &quot;b&quot;\n(integer) 1\nredis&gt; SADD key1 &quot;c&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;c&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;d&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;e&quot;\n(integer) 1\nredis&gt; SDIFF key1 key2\n1) &quot;a&quot;\n2) &quot;b&quot;\nredis&gt; <\/code><\/pre>\n<h3>SDIFFSTORE destination key1 [key2]<\/h3>\n<p>\u8fd4\u56de\u7ed9\u5b9a\u6240\u6709\u96c6\u5408\u7684\u5dee\u96c6\u5e76\u5b58\u50a8\u5728 destination \u4e2d\u3002\u5982\u679c\u6307\u5b9a\u7684\u96c6\u5408 key \u5df2\u5b58\u5728\uff0c\u5219\u4f1a\u88ab\u8986\u76d6<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code class=\"language-bash\">SDIFFSTORE DESTINATION_KEY KEY1..KEYN<\/code><\/pre>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;foo&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SDIFFSTORE destset myset myset2\n(integer) 2\nredis 127.0.0.1:6379&gt; SMEMBERS destset\n1) &quot;foo&quot;\n2) &quot;bar&quot;<\/code><\/pre>\n<h3>SINTER key1 [key2]<\/h3>\n<p>\u8fd4\u56de\u7ed9\u5b9a\u6240\u6709\u96c6\u5408\u7684\u4ea4\u96c6\u3002\u4e0d\u5b58\u5728\u7684\u96c6\u5408 key \u88ab\u89c6\u4e3a\u7a7a\u96c6\u3002\u5f53\u7ed9\u5b9a\u96c6\u5408\u5f53\u4e2d\u6709\u4e00\u4e2a\u7a7a\u96c6\u65f6\uff0c\u7ed3\u679c\u4e5f\u4e3a\u7a7a\u96c6(\u6839\u636e\u96c6\u5408\u8fd0\u7b97\u5b9a\u5f8b)\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code class=\"language-bash\">SINTER KEY KEY1..KEYN<\/code><\/pre>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;foo&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SINTER myset myset2\n1) &quot;hello&quot;<\/code><\/pre>\n<h3>SINTERSTORE destination key1 [key2]<\/h3>\n<p>\u8fd4\u56de\u7ed9\u5b9a\u6240\u6709\u96c6\u5408\u7684\u4ea4\u96c6\u5e76\u5b58\u50a8\u5728 destination \u4e2d\u3002\u5982\u679c\u6307\u5b9a\u7684\u96c6\u5408\u5df2\u7ecf\u5b58\u5728\uff0c\u5219\u5c06\u5176\u8986\u76d6<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code class=\"language-bash\">SINTERSTORE DESTINATION_KEY KEY KEY1..KEYN<\/code><\/pre>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;foo&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SINTERSTORE myset myset1 myset2\n(integer) 1\nredis 127.0.0.1:6379&gt; SMEMBERS myset\n1) &quot;hello&quot;<\/code><\/pre>\n<h3>SISMEMBER key member<\/h3>\n<p>\u5224\u65ad member \u5143\u7d20\u662f\u5426\u662f\u96c6\u5408 key \u7684\u6210\u5458<\/p>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SISMEMBER myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SISMEMBER myset1 &quot;world&quot;\n(integer) 0<\/code><\/pre>\n<h3>SMEMBERS key<\/h3>\n<p>\u8fd4\u56de\u96c6\u5408\u4e2d\u7684\u6240\u6709\u6210\u5458<\/p>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SMEMBERS myset1\n1) &quot;World&quot;\n2) &quot;Hello&quot;<\/code><\/pre>\n<h3>SMOVE source destination member<\/h3>\n<p>\u5c06 member \u5143\u7d20\u4ece source \u96c6\u5408\u79fb\u52a8\u5230 destination \u96c6\u5408<\/p>\n<ul>\n<li>SMOVE \u662f\u539f\u5b50\u6027\u64cd\u4f5c<\/li>\n<li>\u5982\u679c source \u96c6\u5408\u4e0d\u5b58\u5728\u6216\u4e0d\u5305\u542b\u6307\u5b9a\u7684 member \u5143\u7d20\uff0c\u5219 SMOVE \u547d\u4ee4\u4e0d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u4ec5\u8fd4\u56de 0\u3002\u5426\u5219\uff0cmember \u5143\u7d20\u4ece source \u96c6\u5408\u4e2d\u88ab\u79fb\u9664\uff0c\u5e76\u6dfb\u52a0\u5230 destination \u96c6\u5408\u4e2d\u53bb<\/li>\n<li>\u5f53 destination \u96c6\u5408\u5df2\u7ecf\u5305\u542b member \u5143\u7d20\u65f6\uff0cSMOVE \u547d\u4ee4\u53ea\u662f\u7b80\u5355\u5730\u5c06 source \u96c6\u5408\u4e2d\u7684 member \u5143\u7d20\u5220\u9664\uff0c\u5373\u4e0d\u8986\u76d6<\/li>\n<li>\u5f53 source \u6216 destination \u4e0d\u662f\u96c6\u5408\u7c7b\u578b\u65f6\uff0c\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset2 &quot;foo&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SMOVE myset1 myset2 &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SMEMBERS myset1\n1) &quot;World&quot;\n2) &quot;Hello&quot;\nredis 127.0.0.1:6379&gt; SMEMBERS myset2\n1) &quot;foo&quot;\n2) &quot;bar&quot;<\/code><\/pre>\n<h3>SPOP key<\/h3>\n<p>\u79fb\u9664\u5e76\u8fd4\u56de\u96c6\u5408\u4e2d\u7684\u4e00\u4e2a\u968f\u673a\u5143\u7d20<\/p>\n<p>\u8be5\u547d\u4ee4\u7c7b\u4f3c Srandmember \u547d\u4ee4\uff0c\u4f46 SPOP \u5c06\u968f\u673a\u5143\u7d20\u4ece\u96c6\u5408\u4e2d\u79fb\u9664\u5e76\u8fd4\u56de\uff0c\u800c Srandmember \u5219\u4ec5\u4ec5\u8fd4\u56de\u968f\u673a\u5143\u7d20\uff0c\u800c\u4e0d\u5bf9\u96c6\u5408\u8fdb\u884c\u4efb\u4f55\u6539\u52a8\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code class=\"language-bash\">SPOP key [count]<\/code><\/pre>\n<pre><code class=\"language-bash\">redis&gt; SADD myset &quot;one&quot;\n(integer) 1\nredis&gt; SADD myset &quot;two&quot;\n(integer) 1\nredis&gt; SADD myset &quot;three&quot;\n(integer) 1\nredis&gt; SPOP myset\n&quot;one&quot;\nredis&gt; SMEMBERS myset\n1) &quot;three&quot;\n2) &quot;two&quot;\nredis&gt; SADD myset &quot;four&quot;\n(integer) 1\nredis&gt; SADD myset &quot;five&quot;\n(integer) 1\nredis&gt; SPOP myset 3\n1) &quot;five&quot;\n2) &quot;four&quot;\n3) &quot;two&quot;\nredis&gt; SMEMBERS myset\n1) &quot;three&quot;\nredis&gt; <\/code><\/pre>\n<h3>SRANDMEMBER key [count]<\/h3>\n<p>\u8fd4\u56de\u96c6\u5408\u4e2d\u4e00\u4e2a\u6216\u591a\u4e2a\u968f\u673a\u6570<\/p>\n<p>\u4ece Redis 2.6 \u7248\u672c\u5f00\u59cb\uff0c Srandmember \u547d\u4ee4\u63a5\u53d7\u53ef\u9009\u7684 count \u53c2\u6570\uff1a<\/p>\n<ul>\n<li>\u5982\u679c count \u4e3a\u6b63\u6570\uff0c\u4e14\u5c0f\u4e8e\u96c6\u5408\u57fa\u6570\uff0c\u90a3\u4e48\u547d\u4ee4\u8fd4\u56de\u4e00\u4e2a\u5305\u542b count \u4e2a\u5143\u7d20\u7684\u6570\u7ec4\uff0c\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5404\u4e0d\u76f8\u540c\u3002\u5982\u679c count \u5927\u4e8e\u7b49\u4e8e\u96c6\u5408\u57fa\u6570\uff0c\u90a3\u4e48\u8fd4\u56de\u6574\u4e2a\u96c6\u5408\u3002<\/li>\n<li>\u5982\u679c count \u4e3a\u8d1f\u6570\uff0c\u90a3\u4e48\u547d\u4ee4\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\uff0c\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u53ef\u80fd\u4f1a\u91cd\u590d\u51fa\u73b0\u591a\u6b21\uff0c\u800c\u6570\u7ec4\u7684\u957f\u5ea6\u4e3a count \u7684\u7edd\u5bf9\u503c\u3002<\/li>\n<li>\u53ea\u63d0\u4f9b\u96c6\u5408 key \u53c2\u6570\u65f6\uff0c\u8fd4\u56de\u4e00\u4e2a\u5143\u7d20\uff1b\u5982\u679c\u96c6\u5408\u4e3a\u7a7a\uff0c\u8fd4\u56de nil\u3002\u5982\u679c\u63d0\u4f9b\u4e86 count \u53c2\u6570\uff0c\u90a3\u4e48\u8fd4\u56de\u4e00\u4e2a\u6570\u7ec4\uff1b\u5982\u679c\u96c6\u5408\u4e3a\u7a7a\uff0c\u8fd4\u56de\u7a7a\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u8be5\u64cd\u4f5c\u548c SPOP \u76f8\u4f3c\uff0c\u4f46 SPOP \u5c06\u968f\u673a\u5143\u7d20\u4ece\u96c6\u5408\u4e2d\u79fb\u9664\u5e76\u8fd4\u56de\uff0c\u800c Srandmember \u5219\u4ec5\u4ec5\u8fd4\u56de\u968f\u673a\u5143\u7d20\uff0c\u800c\u4e0d\u5bf9\u96c6\u5408\u8fdb\u884c\u4efb\u4f55\u6539\u52a8\u3002<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code class=\"language-bash\">SRANDMEMBER KEY [count]<\/code><\/pre>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SRANDMEMBER myset1\n&quot;bar&quot;\nredis 127.0.0.1:6379&gt; SRANDMEMBER myset1 2\n1) &quot;Hello&quot;\n2) &quot;world&quot;<\/code><\/pre>\n<h3>SREM key member1 [member2]<\/h3>\n<p>\u79fb\u9664\u96c6\u5408\u4e2d\u4e00\u4e2a\u6216\u591a\u4e2a\u6210\u5458<\/p>\n<pre><code class=\"language-bash\">redis 127.0.0.1:6379&gt; SADD myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;world&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SADD myset1 &quot;bar&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SREM myset1 &quot;hello&quot;\n(integer) 1\nredis 127.0.0.1:6379&gt; SREM myset1 &quot;foo&quot;\n(integer) 0\nredis 127.0.0.1:6379&gt; SMEMBERS myset1\n1) &quot;bar&quot;\n2) &quot;world&quot;<\/code><\/pre>\n<h3>SUNION key1 [key2]<\/h3>\n<p>\u8fd4\u56de\u6240\u6709\u7ed9\u5b9a\u96c6\u5408\u7684\u5e76\u96c6<\/p>\n<pre><code class=\"language-bash\">redis&gt; SADD key1 &quot;a&quot;\n(integer) 1\nredis&gt; SADD key1 &quot;b&quot;\n(integer) 1\nredis&gt; SADD key1 &quot;c&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;c&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;d&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;e&quot;\n(integer) 1\nredis&gt; SUNION key1 key2\n1) &quot;a&quot;\n2) &quot;c&quot;\n3) &quot;b&quot;\n4) &quot;e&quot;\n5) &quot;d&quot;\nredis&gt; <\/code><\/pre>\n<h3>SUNIONSTORE destination key1 [key2]<\/h3>\n<p>\u6240\u6709\u7ed9\u5b9a\u96c6\u5408\u7684\u5e76\u96c6\u5b58\u50a8\u5728 destination \u96c6\u5408\u4e2d\u3002\u5982\u679c destination \u5df2\u7ecf\u5b58\u5728\uff0c\u5219\u5c06\u5176\u8986\u76d6<\/p>\n<pre><code class=\"language-bash\">redis&gt; SADD key1 &quot;a&quot;\n(integer) 1\nredis&gt; SADD key1 &quot;b&quot;\n(integer) 1\nredis&gt; SADD key1 &quot;c&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;c&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;d&quot;\n(integer) 1\nredis&gt; SADD key2 &quot;e&quot;\n(integer) 1\nredis&gt; SUNIONSTORE key key1 key2\n(integer) 5\nredis&gt; SMEMBERS key\n1) &quot;c&quot;\n2) &quot;b&quot;\n3) &quot;e&quot;\n4) &quot;d&quot;\n5) &quot;a&quot;\nredis&gt; <\/code><\/pre>\n<h3>SSCAN key cursor [MATCH pattern] [COUNT count]<\/h3>\n<p>\u8fed\u4ee3\u96c6\u5408\u4e2d\u7684\u5143\u7d20<\/p>\n<p><strong>\u8bed\u6cd5<\/strong><\/p>\n<pre><code>SSCAN key cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n<ul>\n<li>cursor &#8211; \u6e38\u6807<\/li>\n<li>pattern &#8211; \u5339\u914d\u7684\u6a21\u5f0f<\/li>\n<li>count &#8211; \u6307\u5b9a\u4ece\u6570\u636e\u96c6\u91cc\u8fd4\u56de\u591a\u5c11\u5143\u7d20\uff0c\u9ed8\u8ba4\u503c\u4e3a 10<\/li>\n<\/ul>\n<pre><code class=\"language-bash\">redis&gt; SADD myset1 &quot;Google&quot;\n(integer) 1\nredis&gt; SADD myset1 &quot;AppBlog&quot;\n(integer) 1\nredis&gt; SADD myset1 &quot;Taobao&quot;\n(integer) 1\nredis&gt; SSCAN myset1 0 match A*\n1) &quot;0&quot;\n2) 1) &quot;AppBlog&quot;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u96c6\u5408(Set) Redis \u7684 Set \u662f String \u7c7b\u578b\u7684\u65e0\u5e8f\u96c6\u5408\u3002\u96c6\u5408\u6210\u5458\u662f\u552f\u4e00\u7684\uff0c\u8fd9\u5c31\u610f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-259","post","type-post","status-publish","format-standard","hentry","category-redis"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=259"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/259\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}