RedisKey的基本命令

127.0.0.1:6379> keys *  # 查看所有的key
(empty list or set)
127.0.0.1:6379> set name luo  # 设置key 并赋值
OK
127.0.0.1:6379> set age 23
OK
127.0.0.1:6379> keys *
1) "name"
2) "age"
127.0.0.1:6379> TYPE name   # 查看key的类型
string
127.0.0.1:6379> type age
string
127.0.0.1:6379> EXPIRE name 3  # 定时移除key
(integer) 1
127.0.0.1:6379> ttl name  # 查看key还剩多少时间被移除，负数就是被移除了
(integer) -2
127.0.0.1:6379> keys *
1) "age"
127.0.0.1:6379> set name luo
OK
127.0.0.1:6379> EXISTS name  # 检验key是否存在
(integer) 1
127.0.0.1:6379> exists age
(integer) 1
127.0.0.1:6379> move name 
(error) ERR wrong number of arguments for 'move' command
127.0.0.1:6379> move name 0
(error) ERR source and destination objects are the same
127.0.0.1:6379> move name 1  # 移除key从特定的数据库中
(integer) 1
127.0.0.1:6379> keys *
1) "age"