1. set，get，mset，mget 賦值取值

set，get 單個(gè)賦值和單個(gè)取值

127.0.0.1:6379> set liang 123456
OK
127.0.0.1:6379> get liang
"123456"
127.0.0.1:6379>

mset，mget 批量賦值和批量取值

127.0.0.1:6379> mset one 123 two 456
OK
127.0.0.1:6379> mget one two
1) "123"
2) "456"
127.0.0.1:6379>

2. incr，decr，incrby，decrby 用于遞減和遞減

當(dāng)存儲(chǔ)的字符串為數(shù)字時(shí)，可使用 incr，decr，incrby，decrby 遞增遞減

incr，decr 遞增遞減 1

127.0.0.1:6379> set age 20
OK
127.0.0.1:6379> incr age
(integer) 21
127.0.0.1:6379> get age
"21"
127.0.0.1:6379> decr age
(integer) 20
127.0.0.1:6379> get age
"20"
127.0.0.1:6379>

incrby，decrby 遞增遞減指定的步長(zhǎng)

127.0.0.1:6379> set age 20
OK
127.0.0.1:6379> incrby age 5
(integer) 25
127.0.0.1:6379> get age
"25"
127.0.0.1:6379> decrby age 5
(integer) 20
127.0.0.1:6379> get age
"20"
127.0.0.1:6379>