（一）Redis基础类型
Redis有五种基础类型：

string command:
http://redis.io/commands#string

set hello world
get hello
del hello
get hello

list:



List command:
http://redis.io/commands#list

rpush list-key item
rpush list-key item2
rpush list-key item
lrange list-key 0 -1
"item"
"item2"
"item"
lindex list-key 1
lpop list-key
lrange list-key 0 -1

Set:




Set command :
http://redis.io/commands#set

sadd set-key item
sadd set-key item2
sadd set-key item3
sadd set-key item
smembers set-key
1) "item"
2) "item2"
3) "item3"

Hash




hash command :
http://redis.io/commands#hash

hset hash-key sub-key1 value1
hset hash-key sub-key2 value2
hset hash-key sub-key1 value1
hgetall hash-key
1) "sub-key1"
2) "value1"
3) "sub-key2"
4) "value2"

sorted set:



sorted set command :
http://redis.io/commands#sorted_set

zadd zset-key 728 member1
zadd zset-key 982 member0
zadd zset-key 982 member0
zrange zset-key 0 -1 withscores
1) "member1"
2) "728"
3) "member0"
4) "982"
zrangebyscore zset-key 0 800 withscores
zrem zset-key member1
zrem zset-key member1
zrange zset-key 0 -1 withscores