redis入门(数据类型)
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redis入门(数据类型)
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- 數(shù)據(jù)類型
4) 集合類型 set: 不允許重復(fù)元素
5) 有序集合類型 sortedset: 不允許重復(fù)元素,且元素有順序
1)string
127.0.0.1:6379> set uname fff OK 127.0.0.1:6379> get uname "fff" 127.0.0.1:6379> del uname (integer) 1 127.0.0.1:6379> keys * (empty list or set) 2)hash
127.0.0.1:6379> hset mhash username zhangsan (integer) 1 127.0.0.1:6379> hset mhash password 123 (integer) 1 127.0.0.1:6379> hget mhash username "zhangsan" 127.0.0.1:6379> hgetall mhash 1) "username" 2) "zhangsan" 3) "password" 4) "123" 127.0.0.1:6379> hdel mhash password (integer) 1 127.0.0.1:6379> hgetall mhash 1) "username" 2) "zhangsan" 3)list 127.0.0.1:6379> lpush room a (integer) 1 127.0.0.1:6379> lpush room b (integer) 2 127.0.0.1:6379> rpush room c (integer) 3 127.0.0.1:6379> lrange room 0 -1 0 -1可以顯示所有,若是 1 3 則顯示從左往右第二個(gè)至第四個(gè) 1) "b" 2) "a" 3) "c" 127.0.0.1:6379> lpush room d (integer) 4 127.0.0.1:6379> lrange room 0 -1 1) "d" 2) "b" 3) "a" 4) "c" 127.0.0.1:6379> rpop room "c" 127.0.0.1:6379> lrange room 0 -1 1) "d" 2) "b" 3) "a" 4)set
127.0.0.1:6379> sadd fruits apple (integer) 1 127.0.0.1:6379> sadd fruits apple (integer) 0 127.0.0.1:6379> sadd fruits pear (integer) 1 127.0.0.1:6379> smembers fruits 1) "pear" 2) "apple" 127.0.0.1:6379> srem fruits pear (integer) 1 127.0.0.1:6379> smembers fruits 1) "apple" 5)sortedset 127.0.0.1:6379> zadd test 46 hong (integer) 1 127.0.0.1:6379> zadd test 44 li (integer) 1 127.0.0.1:6379> zadd test 60 zhang (integer) 1 127.0.0.1:6379> zrange test 0 -1 1) "li" 2) "hong" 3) "zhang" 127.0.0.1:6379> zrem test hong (integer) 1 127.0.0.1:6379> zrange test 0 -1 1) "li" 2) "zhang"
通用命令
127.0.0.1:6379> keys * 1) "test" 2) "fruits" 3) "room" 4) "mhash" 127.0.0.1:6379> type fruits 獲取類型 set 127.0.0.1:6379> type test zset 127.0.0.1:6379> del mhash (integer) 1 127.0.0.1:6379> keys * 1) "test" 2) "fruits" 3) "room"?
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轉(zhuǎn)載于:https://www.cnblogs.com/Nora-F/p/11085367.html
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