redis 事物和锁

127.0.0.1:6379> set wang 100
OK
127.0.0.1:6379> set zhao 200
OK
127.0.0.1:6379> multi
OK
127.0.0.1:6379> decrby zhao 100
QUEUED
127.0.0.1:6379> incrby wang 100
QUEUED
127.0.0.1:6379> exec
1) (integer) 100
2) (integer) 200
127.0.0.1:6379> get zhao
"100"
127.0.0.1:6379> get wang
"200"
127.0.0.1:6379> mget zhao wang
1) "100"
2) "200"
127.0.0.1:6379> multi
OK
127.0.0.1:6379> decrby zhao 100
QUEUED
127.0.0.1:6379> incrby wang 100
QUEUED
127.0.0.1:6379> discard
OK
127.0.0.1:6379> mget zhao wang
1) "100"
2) "200"

127.0.0.1:6379> set ticket 1
OK
127.0.0.1:6379> set lisi 300
OK
127.0.0.1:6379> set wang 300
OK
127.0.0.1:6379> multi
OK
127.0.0.1:6379> decr ticket
QUEUED
127.0.0.1:6379> decrby lisi 100
QUEUED
127.0.0.1:6379> exec
1) (integer) -1
2) (integer) 200

127.0.0.1:6379> set ticket 1
OK
127.0.0.1:6379> watch ticket
OK
127.0.0.1:6379> multi
OK
127.0.0.1:6379> decr ticket
QUEUED
127.0.0.1:6379> decrby wang 100
QUEUED
127.0.0.1:6379> exec
(nil)
127.0.0.1:6379> get ticket
"0"
127.0.0.1:6379> watch tocket want lisi
OK
127.0.0.1:6379> unwatch
OK