![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203630276-21107903.png)
一、键值相关命令
【1】keys
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203630651-770696454.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203630901-1708057747.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203631495-1975269205.png)
【2】exists
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203631839-1079087175.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203632104-615583472.png)
【3】del
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203632401-1866062247.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203632870-1163854677.png)
【4】expire
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203633136-701125340.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203633448-1819190864.png)
【5】ttl
查看一个key还有多长时间过期,直至返回值为-1说明此值已过期
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203633745-436884677.png)
【5】move
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203634104-1153693756.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203634901-1171883979.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203635682-443133271.png)
【6】persist
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203635948-1184149706.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203636370-1981467499.png)
【7】randomkey
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203637136-970968270.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203637839-614184105.png)
【8】rename
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203638136-607897293.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203638417-1625615549.png)
【9】type
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203638792-1242507356.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203639245-1154497208.png)
二、服务器相关命令
【1】ping
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203639573-2117626769.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203643073-53523003.png)
【2】echo
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203643432-1776797692.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203643823-1923591506.png)
【3】select
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203646354-284260556.png)
【4】quit、exit
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203647386-16601993.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203647714-1263444334.png)
【5】dbsize
返回当前数据库中key的数目
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203647964-701336793.png)
【6】info
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203648261-819122682.png)
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203651120-2095249156.png)
【7】config get
实时传储收到的请求
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203651432-311270296.png)
【8】flushdb
删除当前选择数据库中的所有key
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203651870-552949299.png)
【9】flushall
删除所有数据库中的所有key
![](https://images2015.cnblogs.com/blog/1085906/201612/1085906-20161224203654464-714124417.png)