Redis入门--Keys的通用操作

 Microsoft Windows [版本 10.0.16299.125]
(c) 2017 Microsoft Corporation。保留所有权利。
C:\Users\YUANRUI>redis-cli
 127.0.0.1:6379> keys *           --------获取所有key           
 1) "company"
 2) "my3"
 3) "myb3"
 4) "num5"
 5) "mya3"
 6) "mylist"
 7) "my1"
 8) "mysort"
 9) "mylist4"
10) "mylist5"
11) "myb2"
12) "num"
13) "mylist2"
14) "mylist6"
15) "my2"
16) "mya2"
17) "num3"
18) "num4"
19) "myset"
20) "myb1"
21) "num2"
22) "myhash"
23) "mylist3"
24) "mya1"
127.0.0.1:6379> keys my?                   ------------获取以my开头的key
1) "my3"
2) "my1"
3) "my2"
127.0.0.1:6379> del my1                      ------------------------删除key          
(integer) 1
127.0.0.1:6379> del my1 my2 my3
(integer) 2
127.0.0.1:6379> exists my1
(integer) 0
127.0.0.1:6379> exists myaq
(integer) 0
127.0.0.1:6379> exists mya1                   ----------判断时候存在
(integer) 1
127.0.0.1:6379> get company                 -------------获取key
"baidu"
127.0.0.1:6379> rename company newcompany         ----------重命名
OK
127.0.0.1:6379> get company
(nil)
127.0.0.1:6379> get newcompany
"baidu"
127.0.0.1:6379> expire newcompany 1000                -----------------设置过期时间
(integer) 1
127.0.0.1:6379> ttl newcompany                                  -----------------查看过期时间
(integer) 990 
127.0.0.1:6379> type newcompany                        ------------------获取key类型
string
127.0.0.1:6379> type newcompany
string
127.0.0.1:6379> type mylist
list
127.0.0.1:6379> type myset
set
127.0.0.1:6379> type myhash
hash
127.0.0.1:6379> type mysort
zset
127.0.0.1:6379>