{"id":1087,"date":"2022-04-02T21:44:27","date_gmt":"2022-04-02T13:44:27","guid":{"rendered":"https:\/\/www.buyao007.icu\/?p=1087"},"modified":"2022-04-04T16:49:06","modified_gmt":"2022-04-04T08:49:06","slug":"3-redis%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b%ef%bc%88%e4%ba%86%e8%a7%a3%e5%8d%b3%e5%8f%af%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.buyao007.icu\/?p=1087","title":{"rendered":"3.Redis\u6570\u636e\u7c7b\u578b\uff08\u4e86\u89e3\u5373\u53ef\uff09"},"content":{"rendered":"\n<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6\u7fa4\u67b6\u6784\u4e0e\u81ea\u52a8\u5316\u8fd0\u7ef4\uff0c\u66fe\u8d1f\u8d23\u56fd\u5185\u67d0\u5927\u578b\u535a\u5ba2\u7f51\u7ad9\u8fd0\u7ef4\u5de5\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">1.\u4ecb\u7ecd<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>String \uff1a      \u5b57\u7b26\u7c7b\u578b\r\nHash\uff1a         \u5b57\u5178\u7c7b\u578b\r\nList\uff1a         \u5217\u8868     \r\nSet\uff1a          \u96c6\u5408 \r\nSorted set\uff1a   \u6709\u5e8f\u96c6\u5408\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">2.KEY\u7684\u901a\u7528\u64cd\u4f5c<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>KEYS *   keys a  keys a*    \u67e5\u770b\u5df2\u5b58\u5728\u6240\u6709\u952e\u7684\u540d\u5b57   ****\r\nTYPE  a                      \u8fd4\u56de\u952e\u6240\u5b58\u50a8\u503c\u7684\u7c7b\u578b     ****\r\nEXPIRE\\ PEXPIRE     a 100        \u4ee5\u79d2\\\u6beb\u79d2\u8bbe\u5b9a\u952e\u503c\u5bf9\u751f\u5b58\u65f6\u95f4   ***\r\nTTL\\ PTTL           a       \u4ee5\u79d2\\\u6beb\u79d2\u4e3a\u5355\u4f4d\u8fd4\u56de\u5269\u4f59\u751f\u5b58\u65f6\u95f4 ***\r\nPERSIST     a               \u53d6\u6d88\u751f\u5b58\u65f6\u95f4\u8bbe\u7f6e            ***\r\nDEL         a               \u5220\u9664\u4e00\u4e2akey\r\nEXISTS      a               \u68c0\u67e5\u662f\u5426\u5b58\u5728\r\nRENAME                      \u53d8\u66f4KEY\u540d\r\n\r\n---\u4f8b\u5b50\uff1a\r\n127.0.0.1:6379> set name zhangsan \r\n127.0.0.1:6379> EXPIRE name 60\r\n(integer) 1\r\n127.0.0.1:6379> ttl name\r\n(integer) 57\r\n127.0.0.1:6379> set a b ex 60\r\nOK\r\n127.0.0.1:6379> ttl a\r\n127.0.0.1:6379> PERSIST a\r\n(integer) 1\r\n127.0.0.1:6379> ttl a\r\n(integer) -1\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">3.Strings\u7c7b\u578b<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e94\u7528\u573a\u666f\r\nsession \u5171\u4eab\r\n\u5e38\u89c4\u8ba1\u6570\uff1a\u5fae\u535a\u6570\uff0c\u7c89\u4e1d\u6570\uff0c\u8ba2\u9605\u3001\u793c\u7269\r\nkey:value\r\n\uff081\uff09\r\n set name zhangsan  \r\n\uff082\uff09\r\n MSET id 101 name zhangsan age 20 gender m\r\n \u7b49\u4ef7\u4e8e\u4ee5\u4e0b\u64cd\u4f5c\uff1a\r\n SET id 101 \r\n set name zhangsan \r\n set age 20 \r\n set gender m\r\n\uff083\uff09\u8ba1\u6570\u5668\r\n\u6bcf\u70b9\u4e00\u6b21\u5173\u6ce8\uff0c\u90fd\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u4e00\u6b21\r\n127.0.0.1:6379> incr num\r\n\u663e\u793a\u7c89\u4e1d\u6570\u91cf\uff1a\r\n127.0.0.1:6379> get num\r\n\r\n\u6697\u7bb1\u64cd\u4f5c\uff1a\r\n127.0.0.1:6379> INCRBY num 10000\r\n(integer) 10006\r\n127.0.0.1:6379> get num\r\n\"10006\"\r\n127.0.0.1:6379> DECRBY num 10000\r\n(integer) 6\r\n127.0.0.1:6379> get num\r\n\"6\"\r\n\u8be6\u7ec6\u7684\u4f8b\u5b50\uff1a\r\n\r\n\u589e\r\nset mykey \"test\"                \u4e3a\u952e\u8bbe\u7f6e\u65b0\u503c\uff0c\u5e76\u8986\u76d6\u539f\u6709\u503c\r\ngetset mycounter 0              \u8bbe\u7f6e\u503c,\u53d6\u503c\u540c\u65f6\u8fdb\u884c\r\nsetex mykey 10 \"hello\"          \u8bbe\u7f6e\u6307\u5b9a Key \u7684\u8fc7\u671f\u65f6\u95f4\u4e3a10\u79d2,\u5728\u5b58\u6d3b\u65f6\u95f4\u53ef\u4ee5\u83b7\u53d6value\r\nsetnx mykey \"hello\"             \u82e5\u8be5\u952e\u4e0d\u5b58\u5728\uff0c\u5219\u4e3a\u952e\u8bbe\u7f6e\u65b0\u503c\r\nmset key3  \"zyx\"  key4 \"xyz\"    \u6279\u91cf\u8bbe\u7f6e\u952e\r\n\r\n\u5220\r\ndel mykey                        \u5220\u9664\u5df2\u6709\u952e\r\n\r\n\u6539\r\nappend mykey \"hello\"            \u82e5\u8be5\u952e\u5e76\u4e0d\u5b58\u5728,\u8fd4\u56de\u5f53\u524d Value \u7684\u957f\u5ea6\r\n                                \u8be5\u952e\u5df2\u7ecf\u5b58\u5728\uff0c\u8fd4\u56de\u8ffd\u52a0\u540e Value\u7684\u957f\u5ea6\r\nincr mykey                      \u503c\u589e\u52a01,\u82e5\u8be5key\u4e0d\u5b58\u5728,\u521b\u5efakey,\u521d\u59cb\u503c\u8bbe\u4e3a0,\u589e\u52a0\u540e\u7ed3\u679c\u4e3a1\r\ndecrby  mykey  5                \u503c\u51cf\u5c115\r\nsetrange mykey 20 dd            \u628a\u7b2c21\u548c22\u4e2a\u5b57\u8282,\u66ff\u6362\u4e3add, \u8d85\u8fc7value\u957f\u5ea6,\u81ea\u52a8\u88650\r\n\u67e5  \r\nexists mykey                    \u5224\u65ad\u8be5\u952e\u662f\u5426\u5b58\u5728\uff0c\u5b58\u5728\u8fd4\u56de 1\uff0c\u5426\u5219\u8fd4\u56de0\r\nget mykey                       \u83b7\u53d6Key\u5bf9\u5e94\u7684value\r\nstrlen mykey                    \u83b7\u53d6\u6307\u5b9a Key \u7684\u5b57\u7b26\u957f\u5ea6\r\nttl mykey                       \u67e5\u770b\u4e00\u4e0b\u6307\u5b9a Key \u7684\u5269\u4f59\u5b58\u6d3b\u65f6\u95f4(\u79d2\u6570)\r\ngetrange mykey 1 20             \u83b7\u53d6\u7b2c2\u5230\u7b2c20\u4e2a\u5b57\u8282,\u82e520\u8d85\u8fc7value\u957f\u5ea6,\u5219\u622a\u53d6\u7b2c2\u4e2a\u548c\u540e\u9762\u6240\u6709\u7684\r\nmget key3 key4                  \u6279\u91cf\u83b7\u53d6\u952e\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">4.hash\u7c7b\u578b\uff08\u5b57\u5178\u7c7b\u578b\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e94\u7528\u573a\u666f\uff1a\r\n\u5b58\u50a8\u90e8\u5206\u53d8\u66f4\u7684\u6570\u636e\uff0c\u5982\u7528\u6237\u4fe1\u606f\u7b49\u3002\r\n\u6700\u63a5\u8fd1mysql\u8868\u7ed3\u6784\u7684\u4e00\u79cd\u7c7b\u578b\r\n\u4e3b\u8981\u662f\u53ef\u4ee5\u505a\u6570\u636e\u5e93\u7f13\u5b58\u3002\r\n\r\n\u5b58\u6570\u636e\uff1a\r\nhmset stu  id 101 name zhangsan age 20 gender m\r\nhmset stu1 id 102 name zhangsan1 age 21 gender f\r\n\r\n\u53d6\u6570\u636e\uff1a\r\nHMGET stu id name age gender\r\nHMGET stu1 id name age gender\r\n\r\nselect concat(\"hmset city_\",id,\" id \",id,\" name \",name,\" countrycode \",countrycode,\" district \",district,\" population \",population) from city limit 10 into outfile '\/tmp\/hmset.txt'\r\n\r\n\u66f4\u591a\u7684\u4f8b\u5b50\r\n\u589e\r\nhset myhash field1 \"s\"    \r\n\u82e5\u5b57\u6bb5field1\u4e0d\u5b58\u5728,\u521b\u5efa\u8be5\u952e\u53ca\u4e0e\u5176\u5173\u8054\u7684Hashes, Hashes\u4e2d,key\u4e3afield1 ,\u5e76\u8bbevalue\u4e3as \uff0c\u82e5\u5b58\u5728\u4f1a\u8986\u76d6\u539fvalue\r\nhsetnx myhash field1 s    \r\n\u82e5\u5b57\u6bb5field1\u4e0d\u5b58\u5728,\u521b\u5efa\u8be5\u952e\u53ca\u4e0e\u5176\u5173\u8054\u7684Hashes, Hashes\u4e2d,key\u4e3afield1 ,\u5e76\u8bbevalue\u4e3as\uff0c \u82e5\u5b57\u6bb5field1\u5b58\u5728,\u5219\u65e0\u6548\r\nhmset myhash field1 \"hello\" field2 \"world       \u4e00\u6b21\u6027\u8bbe\u7f6e\u591a\u4e2a\u5b57\u6bb5\r\n\u5220\r\nhdel myhash field1                      \u5220\u9664 myhash \u952e\u4e2d\u5b57\u6bb5\u540d\u4e3a field1 \u7684\u5b57\u6bb5\r\ndel myhash                              \u5220\u9664\u952e\r\n\u6539  \r\nhincrby myhash field 1                  \u7ed9field\u7684\u503c\u52a01\r\n\r\n\u67e5\r\nhget myhash field1                      \u83b7\u53d6\u952e\u503c\u4e3a myhash,\u5b57\u6bb5\u4e3a field1 \u7684\u503c\r\nhlen myhash                             \u83b7\u53d6myhash\u952e\u7684\u5b57\u6bb5\u6570\u91cf\r\nhexists myhash field1                   \u5224\u65ad myhash \u952e\u4e2d\u662f\u5426\u5b58\u5728\u5b57\u6bb5\u540d\u4e3a field1 \u7684\u5b57\u6bb5\r\nhmget myhash field1 field2 field3       \u4e00\u6b21\u6027\u83b7\u53d6\u591a\u4e2a\u5b57\u6bb5\r\nhgetall myhash                          \u8fd4\u56de myhash \u952e\u7684\u6240\u6709\u5b57\u6bb5\u53ca\u5176\u503c\r\nhkeys myhash                            \u83b7\u53d6myhash \u952e\u4e2d\u6240\u6709\u5b57\u6bb5\u7684\u540d\u5b57\r\nhvals myhash                            \u83b7\u53d6 myhash \u952e\u4e2d\u6240\u6709\u5b57\u6bb5\u7684\u503c\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">5.LIST\uff08\u5217\u8868\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e94\u7528\u573a\u666f\r\n\u6d88\u606f\u961f\u5217\u7cfb\u7edf\r\n\u6bd4\u5982sina\u5fae\u535a\r\n\u5728Redis\u4e2d\u6211\u4eec\u7684\u6700\u65b0\u5fae\u535aID\u4f7f\u7528\u4e86\u5e38\u9a7b\u7f13\u5b58\uff0c\u8fd9\u662f\u4e00\u76f4\u66f4\u65b0\u7684\u3002\r\n\u4f46\u662f\u505a\u4e86\u9650\u5236\u4e0d\u80fd\u8d85\u8fc75000\u4e2aID\uff0c\u56e0\u6b64\u83b7\u53d6ID\u7684\u51fd\u6570\u4f1a\u4e00\u76f4\u8be2\u95eeRedis\u3002\r\n\u53ea\u6709\u5728start\/count\u53c2\u6570\u8d85\u51fa\u4e86\u8fd9\u4e2a\u8303\u56f4\u7684\u65f6\u5019\uff0c\u624d\u9700\u8981\u53bb\u8bbf\u95ee\u6570\u636e\u5e93\u3002\r\n\u7cfb\u7edf\u4e0d\u4f1a\u50cf\u4f20\u7edf\u65b9\u5f0f\u90a3\u6837\u201c\u5237\u65b0\u201d\u7f13\u5b58\uff0cRedis\u5b9e\u4f8b\u4e2d\u7684\u4fe1\u606f\u6c38\u8fdc\u662f\u4e00\u81f4\u7684\u3002\r\nSQL\u6570\u636e\u5e93\uff08\u6216\u662f\u786c\u76d8\u4e0a\u7684\u5176\u4ed6\u7c7b\u578b\u6570\u636e\u5e93\uff09\u53ea\u662f\u5728\u7528\u6237\u9700\u8981\u83b7\u53d6\u201c\u5f88\u8fdc\u201d\u7684\u6570\u636e\u65f6\u624d\u4f1a\u88ab\u89e6\u53d1\uff0c\r\n\u800c\u4e3b\u9875\u6216\u7b2c\u4e00\u4e2a\u8bc4\u8bba\u9875\u662f\u4e0d\u4f1a\u9ebb\u70e6\u5230\u786c\u76d8\u4e0a\u7684\u6570\u636e\u5e93\u4e86\u3002\r\n\r\n\u5fae\u4fe1\u670b\u53cb\u5708\uff1a\r\n127.0.0.1:6379> LPUSH wechat \"today is nice day !\"\r\n127.0.0.1:6379> LPUSH wechat \"today is bad day !\"\r\n127.0.0.1:6379> LPUSH wechat \"today is good  day !\"\r\n127.0.0.1:6379> LPUSH wechat \"today is rainy  day !\"\r\n127.0.0.1:6379> LPUSH wechat \"today is friday !\"\r\n\r\n127.0.0.1:6379> lrange wechat  0 0\r\n1) \"today is friday !\"\r\n127.0.0.1:6379> lrange wechat  0 1\r\n1) \"today is friday !\"\r\n2) \"today is rainy  day !\"\r\n127.0.0.1:6379> lrange wechat  0 2\r\n1) \"today is friday !\"\r\n2) \"today is rainy  day !\"\r\n3) \"today is good  day !\"\r\n127.0.0.1:6379> lrange wechat  0 3\r\n127.0.0.1:6379> lrange wechat  -2 -1\r\n1) \"today is bad day !\"\r\n2) \"today is nice day !\"\r\n\r\n\u589e \r\nlpush mykey a b             \u82e5key\u4e0d\u5b58\u5728,\u521b\u5efa\u8be5\u952e\u53ca\u4e0e\u5176\u5173\u8054\u7684List,\u4f9d\u6b21\u63d2\u5165a ,b\uff0c \u82e5List\u7c7b\u578b\u7684key\u5b58\u5728,\u5219\u63d2\u5165value\u4e2d\r\nlpushx mykey2 e             \u82e5key\u4e0d\u5b58\u5728,\u6b64\u547d\u4ee4\u65e0\u6548\uff0c \u82e5key\u5b58\u5728,\u5219\u63d2\u5165value\u4e2d\r\nlinsert mykey before a a1   \u5728 a \u7684\u524d\u9762\u63d2\u5165\u65b0\u5143\u7d20 a1\r\nlinsert mykey after e e2    \u5728e \u7684\u540e\u9762\u63d2\u5165\u65b0\u5143\u7d20 e2\r\nrpush mykey a b             \u5728\u94fe\u8868\u5c3e\u90e8\u5148\u63d2\u5165b,\u5728\u63d2\u5165a\r\nrpushx mykey e              \u82e5key\u5b58\u5728,\u5728\u5c3e\u90e8\u63d2\u5165e, \u82e5key\u4e0d\u5b58\u5728,\u5219\u65e0\u6548\r\nrpoplpush mykey mykey2      \u5c06mykey\u7684\u5c3e\u90e8\u5143\u7d20\u5f39\u51fa,\u518d\u63d2\u5165\u5230mykey2 \u7684\u5934\u90e8(\u539f\u5b50\u6027\u7684\u64cd\u4f5c)\r\n\u5220\r\ndel mykey                   \u5220\u9664\u5df2\u6709\u952e \r\nlrem mykey 2 a              \u4ece\u5934\u90e8\u5f00\u59cb\u627e,\u6309\u5148\u540e\u987a\u5e8f,\u503c\u4e3aa\u7684\u5143\u7d20,\u5220\u9664\u6570\u91cf\u4e3a2\u4e2a,\u82e5\u5b58\u5728\u7b2c3\u4e2a,\u5219\u4e0d\u5220\u9664\r\nltrim mykey 0 2             \u4ece\u5934\u5f00\u59cb,\u7d22\u5f15\u4e3a0,1,2\u76843\u4e2a\u5143\u7d20,\u5176\u4f59\u5168\u90e8\u5220\u9664\r\n\u6539\r\nlset mykey 1 e              \u4ece\u5934\u5f00\u59cb, \u5c06\u7d22\u5f15\u4e3a1\u7684\u5143\u7d20\u503c,\u8bbe\u7f6e\u4e3a\u65b0\u503c e,\u82e5\u7d22\u5f15\u8d8a\u754c,\u5219\u8fd4\u56de\u9519\u8bef\u4fe1\u606f\r\nrpoplpush mykey mykey       \u5c06 mykey \u4e2d\u7684\u5c3e\u90e8\u5143\u7d20\u79fb\u5230\u5176\u5934\u90e8\r\n\u67e5\r\nlrange mykey 0 -1           \u53d6\u94fe\u8868\u4e2d\u7684\u5168\u90e8\u5143\u7d20\uff0c\u5176\u4e2d0\u8868\u793a\u7b2c\u4e00\u4e2a\u5143\u7d20,-1\u8868\u793a\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002\r\nlrange mykey 0 2            \u4ece\u5934\u5f00\u59cb,\u53d6\u7d22\u5f15\u4e3a0,1,2\u7684\u5143\u7d20\r\nlrange mykey 0 0            \u4ece\u5934\u5f00\u59cb,\u53d6\u7b2c\u4e00\u4e2a\u5143\u7d20,\u4ece\u7b2c0\u4e2a\u5f00\u59cb,\u5230\u7b2c0\u4e2a\u7ed3\u675f\r\nlpop mykey                  \u83b7\u53d6\u5934\u90e8\u5143\u7d20,\u5e76\u4e14\u5f39\u51fa\u5934\u90e8\u5143\u7d20,\u51fa\u6808\r\nlindex mykey 6              \u4ece\u5934\u5f00\u59cb,\u83b7\u53d6\u7d22\u5f15\u4e3a6\u7684\u5143\u7d20 \u82e5\u4e0b\u6807\u8d8a\u754c,\u5219\u8fd4\u56denil\r<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"toc_0\">6.SET \u96c6\u5408\u7c7b\u578b\uff08join union\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5e94\u7528\u573a\u666f\uff1a\r\n\u6848\u4f8b\uff1a\u5728\u5fae\u535a\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u5c06\u4e00\u4e2a\u7528\u6237\u6240\u6709\u7684\u5173\u6ce8\u4eba\u5b58\u5728\u4e00\u4e2a\u96c6\u5408\u4e2d\uff0c\u5c06\u5176\u6240\u6709\u7c89\u4e1d\u5b58\u5728\u4e00\u4e2a\u96c6\u5408\u3002\r\nRedis\u8fd8\u4e3a\u96c6\u5408\u63d0\u4f9b\u4e86\u6c42\u4ea4\u96c6\u3001\u5e76\u96c6\u3001\u5dee\u96c6\u7b49\u64cd\u4f5c\uff0c\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u7684\u5b9e\u73b0\u5982\u5171\u540c\u5173\u6ce8\u3001\u5171\u540c\u559c\u597d\u3001\u4e8c\u5ea6\u597d\u53cb\u7b49\u529f\u80fd\uff0c\r\n\u5bf9\u4e0a\u9762\u7684\u6240\u6709\u96c6\u5408\u64cd\u4f5c\uff0c\u4f60\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u547d\u4ee4\u9009\u62e9\u5c06\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u8fd8\u662f\u5b58\u96c6\u5230\u4e00\u4e2a\u65b0\u7684\u96c6\u5408\u4e2d\u3002\r\n\r\n127.0.0.1:6379> sadd lxl pg1 jnl baoqiang gsy alexsb\r\n(integer) 5\r\n127.0.0.1:6379> sadd jnl baoqiang ms bbh yf wxg\r\n(integer) 5\r\n127.0.0.1:6379> SUNION lx jnl\r\n1) \"baoqiang\"\r\n2) \"yf\"\r\n3) \"bbh\"\r\n4) \"ms\"\r\n5) \"wxg\"\r\n127.0.0.1:6379> SUNION lxl  jnl\r\n1) \"gsy\"\r\n2) \"yf\"\r\n3) \"alexsb\"\r\n4) \"bbh\"\r\n5) \"jnl\"\r\n6) \"pg1\"\r\n7) \"baoqiang\"\r\n8) \"ms\"\r\n9) \"wxg\"\r\n127.0.0.1:6379> \r\n127.0.0.1:6379> SINTER lxl jnl\r\n1) \"baoqiang\"\r\n127.0.0.1:6379> \r\n127.0.0.1:6379> \r\n127.0.0.1:6379> SDIFF jnl lxl\r\n1) \"wxg\"\r\n2) \"yf\"\r\n3) \"bbh\"\r\n4) \"ms\"\r\n127.0.0.1:6379> \r\n127.0.0.1:6379> \r\n127.0.0.1:6379> SDIFF lxl jnl\r\n1) \"jnl\"\r\n2) \"pg1\"\r\n3) \"gsy\"\r\n4) \"alexsb\"\r\n\r\n\u589e\r\nsadd myset a b c  \r\n\u82e5key\u4e0d\u5b58\u5728,\u521b\u5efa\u8be5\u952e\u53ca\u4e0e\u5176\u5173\u8054\u7684set,\u4f9d\u6b21\u63d2\u5165a ,b,\u82e5key\u5b58\u5728,\u5219\u63d2\u5165value\u4e2d,\u82e5a \u5728myset\u4e2d\u5df2\u7ecf\u5b58\u5728,\u5219\u63d2\u5165\u4e86 d \u548c e \u4e24\u4e2a\u65b0\u6210\u5458\u3002\r\n\u5220\r\nspop myset              \u5c3e\u90e8\u7684b\u88ab\u79fb\u51fa,\u4e8b\u5b9e\u4e0ab\u5e76\u4e0d\u662f\u4e4b\u524d\u63d2\u5165\u7684\u7b2c\u4e00\u4e2a\u6216\u6700\u540e\u4e00\u4e2a\u6210\u5458\r\nsrem myset a d f        \u82e5f\u4e0d\u5b58\u5728, \u79fb\u51fa a\u3001d ,\u5e76\u8fd4\u56de2\r\n\u6539\r\nsmove myset myset2 a        \u5c06a\u4ece myset \u79fb\u5230 myset2\uff0c\r\n\u67e5\r\nsismember myset a           \u5224\u65ad a \u662f\u5426\u5df2\u7ecf\u5b58\u5728\uff0c\u8fd4\u56de\u503c\u4e3a 1 \u8868\u793a\u5b58\u5728\u3002\r\nsmembers myset          \u67e5\u770bset\u4e2d\u7684\u5185\u5bb9\r\nscard myset             \u83b7\u53d6Set \u96c6\u5408\u4e2d\u5143\u7d20\u7684\u6570\u91cf\r\nsrandmember myset       \u968f\u673a\u7684\u8fd4\u56de\u67d0\u4e00\u6210\u5458\r\nsdiff myset1 myset2 myset3      1\u548c2\u5f97\u5230\u4e00\u4e2a\u7ed3\u679c,\u62ff\u8fd9\u4e2a\u96c6\u5408\u548c3\u6bd4\u8f83,\u83b7\u5f97\u6bcf\u4e2a\u72ec\u6709\u7684\u503c\r\nsdiffstore diffkey myset myset2 myset3      3\u4e2a\u96c6\u548c\u6bd4\u8f83,\u83b7\u53d6\u72ec\u6709\u7684\u5143\u7d20,\u5e76\u5b58\u5165diffkey \u5173\u8054\u7684Set\u4e2d\r\nsinter myset myset2 myset3              \u83b7\u5f973\u4e2a\u96c6\u5408\u4e2d\u90fd\u6709\u7684\u5143\u7d20\r\nsinterstore interkey myset myset2 myset3  \u628a\u4ea4\u96c6\u5b58\u5165interkey \u5173\u8054\u7684Set\u4e2d\r\nsunion myset myset2 myset3              \u83b7\u53d63\u4e2a\u96c6\u5408\u4e2d\u7684\u6210\u5458\u7684\u5e76\u96c6\r\nsunionstore unionkey myset myset2 myset3  \u628a\u5e76\u96c6\u5b58\u5165unionkey \u5173\u8054\u7684Set\u4e2d\r<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b59\u5bcc\u9633\uff0c \u6c5f\u6e56\u4eba\u79f0\u6ca1\u4eba\u79f0\u3002\u591a\u5e74\u4e92\u8054\u7f51\u8fd0\u7ef4\u5de5\u4f5c\u7ecf\u9a8c\uff0c\u66fe\u8d1f\u8d23\u8fc7\u5b59\u5e03\u65af\u5927\u89c4\u6a21\u96c6\u7fa4\u67b6\u6784\u81ea\u52a8\u5316\u8fd0\u7ef4\u7ba1\u7406\u5de5\u4f5c\u3002\u64c5\u957fWeb\u96c6 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"_links":{"self":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1087"}],"collection":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1087"}],"version-history":[{"count":1,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1087\/revisions"}],"predecessor-version":[{"id":1088,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=\/wp\/v2\/posts\/1087\/revisions\/1088"}],"wp:attachment":[{"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1087"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1087"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.buyao007.icu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1087"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}