查看“︁Redis:命令”︁的源代码

= 基本操作 =
==增删改查==
===设置key的value===
<syntaxhighlight lang="bash">
> set mykey somevalue
OK
> get mykey
"somevalue"
</syntaxhighlight>

设置的时候支持附加条件，仅在value不存在（或者存在）的时候才设置值
<syntaxhighlight lang="bash">
> set mykey newval nx
(nil)
> set mykey newval xx
OK
</syntaxhighlight>

===数字操作===
可通过 <span class="article-label">INCR</span>, <span class="article-label">INCRBY</span>, <span class="article-label">DECR</span> and <span class="article-label">DECRBY</span>等操作数字：
<syntaxhighlight lang="bash">
> set counter 100
OK
> incr counter
(integer) 101
> incr counter
(integer) 102
> incrby counter 50
(integer) 152
</syntaxhighlight>

===批量设置===
<syntaxhighlight lang="bash">
> mset a 10 b 20 c 30
OK
> mget a b c
1) "10"
2) "20"
3) "30"
</syntaxhighlight>

===查询key的类型及存在与否===
<syntaxhighlight lang="bash">
> set mykey hello
OK
> exists mykey
(integer) 1
> del mykey
(integer) 1
> exists mykey
(integer) 0

> set mykey x
OK
> type mykey
string
> del mykey
(integer) 1
> type mykey
none
</syntaxhighlight>
[[Category:Database]]