（四）redis的strain操作

（四）redis的strain操作

添加，查询名字信息

172.16.110.128:6379[1]> select 0
OK
172.16.110.128:6379>
172.16.110.128:6379>
172.16.110.128:6379>
172.16.110.128:6379>
172.16.110.128:6379> set name itcast
OK
172.16.110.128:6379> get name
"itcast"
172.16.110.128:6379>

设置过期，3秒后过期

172.16.110.128:6379> set name itcast EX 3
OK
172.16.110.128:6379> get name
(nil)
172.16.110.128:6379>

设置key-value与查询
mget是对多个键值进行查询，get是对单个键值进行查询

172.16.110.128:6379> mset a1 python a2 java a3 c
OK
172.16.110.128:6379> get a1
"python"
172.16.110.128:6379> get a2
"java"
172.16.110.128:6379> mget
(error) ERR wrong number of arguments for 'mget' command
172.16.110.128:6379> mget a1 a2 a3
1) "python"
2) "java"
3) "c"
172.16.110.128:6379>

数据拼接

172.16.110.128:6379> append a1 27
(integer) 8
172.16.110.128:6379> mget a1
1) "python27"
172.16.110.128:6379>