redis基本命令
1.设置与获取
127.0.0.1:6379>set1"ab"
OK
127.0.0.1:6379>get1
"ab"
127.0.0.1:6379>append1bc
(integer)3
127.0.0.1:6379>get1
"abc"
2.同时设置与获取多个key
127.0.0.1:6379>mset1a2b3c
OK
127.0.0.1:6379>get2
"b"
127.0.0.1:6379>mget123
1)"a"
2)"b"
3)"c"
3.字段赋值:
127.0.0.1:6379>hsetcar1namec1
(integer)1
127.0.0.1:6379>hgetcar1name
"c1"
127.0.0.1:6379>hmsetcar1namec1price100
OK
127.0.0.1:6379>hgetallcar1
1)"name"
2)"c1"
3)"price"
4)"100"
127.0.0.1:6379>hincrbycar1price200
(integer)300
4.判断是否存在:
127.0.0.1:6379>hexistscar1name
(integer)1
5.删除记录:
127.0.0.1:6379>hdelcar1price
(integer)1
127.0.0.1:6379>hgetallcar1
1)"name"
2)"c1"
6.显示所有的key或value
127.0.0.1:6379>hkeyscar1
1)"name"
127.0.0.1:6379>hvalscar1
1)"c1"
7.增减数值
127.0.0.1:6379>setnum1
OK
127.0.0.1:6379>incrnum
(integer)2
127.0.0.1:6379>incrbynum2
(integer)4
127.0.0.1:6379>decrnum
(integer)3
127.0.0.1:6379>decrbynum2
(integer)1
127.0.0.1:6379>incrbyfloatnum0.5
"1.5"