Redis資料結構簡介

• redis中的字串（String）
• redis中的列表（List）
• redis中的集合（Set）
• redis中的雜湊（Hash）
• redis中的有序集合（Zset）

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字串

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常用指令及基本操作：set、get、del

127.0.0.1:6379> clear
127.0.0.1:6379> set name nanshen
OK
127.0.0.1:6379> get name
"nanshen"
127.0.0.1:6379> del name
(integer) 1
127.0.0.1:6379> get name
(nil)
127.0.0.1:6379> 

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列表

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常用指令：rpush(lpush)、rpop(lpop)、lrange、lindex

127.0.0.1:6379> rpush class item
(integer) 1
127.0.0.1:6379> rpush class item1
(integer) 2
127.0.0.1:6379> rpush class item2
(integer) 3
127.0.0.1:6379> lrange class 0 -1
1) "item"
2) "item1"
3) "item2"
127.0.0.1:6379> lindex class 0
"item"
127.0.0.1:6379> lindex class -1
"item2"
127.0.0.1:6379> rpop class
"item2"
127.0.0.1:6379> 

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集合

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常用指令：sadd、srem、smembers、sismember

127.0.0.1:6379> sadd emp a
(integer) 1
127.0.0.1:6379> sadd emp b
(integer) 1
127.0.0.1:6379> sadd emp c
(integer) 1
127.0.0.1:6379> smembers emp
1) "a"
2) "b"
3) "c"
127.0.0.1:6379> sismember emp d
(integer) 0
127.0.0.1:6379> sismember emp a
(integer) 1
127.0.0.1:6379> srem emp a
(integer) 1
127.0.0.1:6379> smembers emp
1) "b"
2) "c"
127.0.0.1:6379> 

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雜湊

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常用指令：hset、hget、hdel、hgetall

127.0.0.1:6379> hset mini chengxu chen
(integer) 1
127.0.0.1:6379> hset mini chengxu nan
(integer) 0
127.0.0.1:6379> hset mini chengxu chen
(integer) 0
127.0.0.1:6379> hset mini meishu nan
(integer) 1
127.0.0.1:6379> hset mini cehua shen
(integer) 1
127.0.0.1:6379> hgetall mini
1) "chengxu"
2) "chen"
3) "meishu"
4) "nan"
5) "cehua"
6) "shen"
127.0.0.1:6379> hget mini chengxu
"chen"
127.0.0.1:6379> hdel mini chengxu
(integer) 1
127.0.0.1:6379> hgetall mini
1) "meishu"
2) "nan"
3) "cehua"
4) "shen"
127.0.0.1:6379> 

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有序集合

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常用指令：zadd、zrange、zrangebyscore、zrem

127.0.0.1:6379> zadd class1 1 chen
(integer) 1
127.0.0.1:6379> zadd class1 2 nan
(integer) 1
127.0.0.1:6379> zadd class1 3 shen
(integer) 1
127.0.0.1:6379> zrange class1 0 -1
1) "chen"
2) "nan"
3) "shen"
127.0.0.1:6379> zrange class1 0 -1 withscores
1) "chen"
2) "1"
3) "nan"
4) "2"
5) "shen"
6) "3"
127.0.0.1:6379> zrangebyscore class1 0 1
1) "chen"
127.0.0.1:6379> zrangebyscore class1 0 1 withscores
1) "chen"
2) "1"
127.0.0.1:6379> zrem class1 nan
(integer) 1
127.0.0.1:6379> zrange class1 0 -1 withscores
1) "chen"
2) "1"
3) "shen"
4) "3"
127.0.0.1:6379> 
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