strlen(name)查看字节长度
strlen a
incr:统计登录数
127.0.0.1:6379> set login 0
OK
127.0.0.1:6379> incr login
(integer) 1
127.0.0.1:6379>
127.0.0.1:6379>
127.0.0.1:6379> incr login
(integer) 2
127.0.0.1:6379> incr login
(integer) 3
127.0.0.1:6379>
incrfloat 浮点增加
127.0.0.1:6379> INCRBYFLOAT login 2.2
"19.599999999999998"
127.0.0.1:6379> INCRBYFLOAT login 2.2
"21.799999999999997"
127.0.0.1:6379> INCRBYFLOAT login 2.2
decr(self,name,1)自减
append age aaaa 往后面加值
hash操作 有些像Python的字典dict
127.0.0.1:6379> hmset info sex alex ho girl(往里面放值进去)
OK
127.0.0.1:6379> hget info sex(单个取值)
"yunxin"
127.0.0.1:6379> hmget info sex ho(多个取值)
1) "yunxin"
2) "girl
127.0.0.1:6379> hgetall info(取出全部数据)
1) "sex"
2) "yunxin"
3) "ho"
4) "girl"
127.0.0.1:6379> hlen info
(integer) 2
127.0.0.1:6379> hkeys info(获取这个info里面所有的key)
1) "sex"
2) "ho"
127.0.0.1:6379> hvals info(获取这个info里面所有的value)
1) "yunxin"
2) "girl"
127.0.0.1:6379> hexists info sex
(integer) 1
127.0.0.1:6379> hdel info sex
(integer) 1
127.0.0.1:6379> hincrby info age 2(这个年龄增加多少)
(integer) 12
127.0.0.1:6379> hscan info 0 match *e(匹配有什么字符或者数字的)
1) "0"
2) 1) "age"
2) "12"
127.0.0.1:6379> hscan info 0 match *o(右边匹配的)
1) "0"
2) 1) "ho"
2) "girl"
127.0.0.1:6379> lpush st xiao ni(从左边存数据)
(integer) 2
127.0.0.1:6379> lrange st 0 -1
1) "ni"
2) "xiao"
rpush(从右边存数据)
127.0.0.1:6379> llen st
(integer) 2 查看元素个数
127.0.0.1:6379> lrange st 0 -1
1) "ni"
2) "xiao"
127.0.0.1:6379> linsert st before xiao ho(在xiao之前插入一条数据)
(integer) 3
127.0.0.1:6379> lrange st 0 -1
1) "ni"
2) "ho"
3) "xiao"
127.0.0.1:6379> lset st 1 Ni(把第一个值赋值成Ni)
OK
127.0.0.1:6379> lrange st 0 -1
1) "ni"
2) "Ni"
3) "xiao"
127.0.0.1:6379> lrem st 1 Ni(在Ni之前删除一个)
(integer) 1
127.0.0.1:6379> lrange st 0 -1
1) "ni"
2) "xiao"
lpop st 删除第一个值(从左边开始,有rpop右边开始)
127.0.0.1:6379> lindex st 1(从左边取第1个值)
"xiao"
127.0.0.1:6379> lpush st 1 3 5 6 7(从左边加值)
(integer) 7
127.0.0.1:6379> lrange st 0 -1
1) "7"
2) "6"
3) "5"
4) "3"
5) "1"
6) "ni"
7) "xiao"
127.0.0.1:6379> ltrim st 1 3(从第一个切到第3个取出来)
OK
127.0.0.1:6379> lrange st 0 -1
1) "6"
2) "5"
3) "3"
127.0.0.1:6379> rpush st_list xaoh xiaoq(从右边开始存数据进去)
(integer) 3
127.0.0.1:6379> lrange st_list 0 -1
1) "xiaor"
2) "xaoh"
127.0.0.1:6379> lpushx st_list xiaoh(这个是当这个列表存在的时候就往里面添加至加进去,如果不存在的话就添加不了值进去)
(integer) 4
127.0.0.1:6379> lpushx st_lis xiaoh
(integer) 0
127.0.0.1:6379> lrange st_list 0 -1
1) "xiaoh"
2) "xiaor"
3) "xaoh"
4) "xiaoq"
127.0.0.1:6379> lrange st_lis 0 -1
(empty list or set)
127.0.0.1:6379> llen st_list(查看个数)
(integer) 4
127.0.0.1:6379> blpop st st1 30(一个列表往另一个列表放东西)
1) "st"
2) "6"