一、将一个或多个值插入到列表头部

  命令:lpush

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  格式:lpush key value1 [value2] ...

127.0.0.1:6379> lpush list_key 1
(integer) 1
127.0.0.1:6379> lpush list_key 2 3 4
(integer) 4

二、获取列表指定范围内的元素

  命令:lrange

  格式:lrange key begin_index end_index

127.0.0.1:6379> lpush list_key 1
(integer) 1
127.0.0.1:6379> lpush list_key 2 3 4
(integer) 4
127.0.0.1:6379> lrange list_key 0 1
1) "4"
2) "3"
127.0.0.1:6379> lrange list_key 0 0
1) "4"
127.0.0.1:6379> lrange list_key 2 3
1) "2"
2) "1"
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "3"
3) "2"
4) "1"

三、将一个值插入到已存在的列表头部

  命令:lpushx

  格式:lpushx key value

127.0.0.1:6379> del list_key
(integer) 1
127.0.0.1:6379> lrange list_key 0 10
(empty list or set)
127.0.0.1:6379> lpushx list_key 1
(integer) 0
127.0.0.1:6379> lrange list_key 0 10
(empty list or set)
127.0.0.1:6379> lpush list_key 1
(integer) 1
127.0.0.1:6379> lrange list_key 0 10
1) "1"
127.0.0.1:6379> lpushx list_key 2
(integer) 2
127.0.0.1:6379> lrange list_key 0 10
1) "2"
2) "1"

四、将一个或多个值插入到列表尾部

  命令:rpush

  格式:rpush key value1 [value2] ...

127.0.0.1:6379> lrange list_key 0 10
1) "2"
2) "1"
127.0.0.1:6379> lpush list_key 3
(integer) 3
127.0.0.1:6379> lrange list_key 0 10
1) "3"
2) "2"
3) "1"
127.0.0.1:6379> rpush list_key 4
(integer) 4
127.0.0.1:6379> lrange list_key 0 10
1) "3"
2) "2"
3) "1"
4) "4"

五、将一个值插入到已存在的列表尾部

  命令:rpushx

  格式:rpushx key value

127.0.0.1:6379> del list_key
(integer) 1
127.0.0.1:6379> lrange list_key 0 10
(empty list or set)
127.0.0.1:6379> rpushx list_key 1
(integer) 0
127.0.0.1:6379> lrange list_key 0 10
(empty list or set)
127.0.0.1:6379> rpush list_key 1
(integer) 1
127.0.0.1:6379> lrange list_key 0 10
1) "1"
127.0.0.1:6379> rpushx list_key 2
(integer) 2
127.0.0.1:6379> lrange list_key 0 10
1) "1"
2) "2"

六、移出并获取列表的第一个元素

  命令:lpop

  格式:lpop key

127.0.0.1:6379> del list_key
(integer) 1
127.0.0.1:6379> lpush list_key 1 2 3 4 5 
(integer) 5
127.0.0.1:6379> lrange list_key 0 10
1) "5"
2) "4"
3) "3"
4) "2"
5) "1"
127.0.0.1:6379> lpop list_key
"5"
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "3"
3) "2"
4) "1"

七、移出并获取列表的最后一个元素

  命令:rpop

  格式:rpop key

127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "3"
3) "2"
4) "1"
127.0.0.1:6379> rpop list_key
"1"
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "3"
3) "2"

八、获取列表长度

  命令:llen

  格式:llen key

127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "3"
3) "2"
127.0.0.1:6379> llen list_key
(integer) 3
127.0.0.1:6379> lpush list_key 5 6 7 
(integer) 6
127.0.0.1:6379> lrange list_key 0 10
1) "7"
2) "6"
3) "5"
4) "4"
5) "3"
6) "2"
127.0.0.1:6379> llen list_key
(integer) 6

九、通过索引获取列表中的元素

  命令:lindex

  格式:lindex key index

127.0.0.1:6379> lrange list_key 0 10
1) "7"
2) "6"
3) "5"
4) "4"
5) "3"
6) "2"
127.0.0.1:6379> lindex list_key 4
"3"
127.0.0.1:6379> lindex list_key 0
"7"
127.0.0.1:6379> lindex list_key 7
(nil)
127.0.0.1:6379> lindex list_key 6
(nil)
127.0.0.1:6379> lindex list_key 5
"2"

十、移出并获取列表的第一个元素, 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止

  命令:blpop

  格式:blpop key1 [key2] timeout

对于有元素的list:

127.0.0.1:6379> lpush l1 1 2 3 4
(integer) 4
127.0.0.1:6379> lpush l2 a b c d
(integer) 4
127.0.0.1:6379> lrange l1 0 10
1) "4"
2) "3"
3) "2"
4) "1"
127.0.0.1:6379> lrange l2 0 10
1) "d"
2) "c"
3) "b"
4) "a"
127.0.0.1:6379> blpop l1 l2 1
1) "l1"
2) "4"
127.0.0.1:6379> blpop l1 l2 1
1) "l1"
2) "3"
127.0.0.1:6379> blpop l1 l2 1
1) "l1"
2) "2"
127.0.0.1:6379> blpop l1 l2 1
1) "l1"
2) "1"
127.0.0.1:6379> blpop l1 l2 1
1) "l2"
2) "d"
127.0.0.1:6379> blpop l1 l2 1
1) "l2"
2) "c"
127.0.0.1:6379> blpop l1 l2 1
1) "l2"
2) "b"
127.0.0.1:6379> blpop l1 l2 1
1) "l2"
2) "a"
127.0.0.1:6379> blpop l1 l2 1
//1s后
(nil)
(1.05s)

对于无元素的list:

127.0.0.1:6379> blpop l1 l2 1
//1s后
(nil)
(1.06s)
127.0.0.1:6379> blpop l1 l2 10
//另一客户端调用 lpush l1 1
1) "l1"
2) "1"
(1.54s)
127.0.0.1:6379> blpop l1 l2 0
//一直等待

十一、移出并获取列表的最后一个元素, 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止

  命令:brpop

  格式:brpop key1 [key2] timeout

操作与blpop相同,此处略

十二、移除列表的最后一个元素,并将该元素添加到另一个列表并返回

  命令:rpoplpush

  格式:rpoplpush source target

127.0.0.1:6379> del l1 l2
(integer) 1
127.0.0.1:6379> lpush l1 1 2 3
(integer) 3
127.0.0.1:6379> lrange l1 0 10
1) "3"
2) "2"
3) "1"
127.0.0.1:6379> lrange l2 0 10
(empty list or set)
127.0.0.1:6379> rpoplpush l1 l2
"1"
127.0.0.1:6379> lrange l1 0 10
1) "3"
2) "2"
127.0.0.1:6379> lrange l2 0 10
1) "1"
127.0.0.1:6379> rpoplpush l1 l2
"2"
127.0.0.1:6379> rpoplpush l1 l2
"3"
127.0.0.1:6379> rpoplpush l1 l2
(nil)
127.0.0.1:6379> lrange l1 0 10
(empty list or set)
127.0.0.1:6379> lrange l2 0 10
1) "3"
2) "2"
3) "1"

十三、从列表中弹出一个值,将弹出的元素插入到另外一个列表中并返回它; 如果列表没有元素会阻塞列表直到等待超时或发现可弹出元素为止

  命令:brpoplpush

  格式:brpoplpush source target timeout

source有元素时:

127.0.0.1:6379> del l1 l2
(integer) 0
127.0.0.1:6379> lpush l1 1 2 3
(integer) 3
127.0.0.1:6379> lrange l1 0 10
1) "3"
2) "2"
3) "1"
127.0.0.1:6379> lrange l2 0 10
(empty list or set)
127.0.0.1:6379> brpoplpush l1 l2 1
"1"
127.0.0.1:6379> lrange l1 0 10
1) "3"
2) "2"
127.0.0.1:6379> lrange l2 0 10
1) "1"
127.0.0.1:6379> brpoplpush l1 l2 1
"2"
127.0.0.1:6379> brpoplpush l1 l2 1
"3"
127.0.0.1:6379> brpoplpush l1 l2 1
//1s后
(nil)
(1.06s)
127.0.0.1:6379> lrange l1 0 10
(empty list or set)
127.0.0.1:6379> lrange l2 0 10
1) "3"
2) "2"
3) "1"

source无元素时,与blpop brpop类似

十四、在列表的第一个指定元素pivot前或者后插入元素value

  命令:linsert

  格式:linsert key before|after pivot value

127.0.0.1:6379> lpush list_key 1 2 1 3 1 4
(integer) 6
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "1"  //第一个指定元素"1"
3) "3"
4) "1"
5) "2"
6) "1"
127.0.0.1:6379> linsert list_key after 1 5
(integer) 7
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "1"  //第一个指定元素"1"
3) "5"
4) "3"
5) "1"
6) "2"
7) "1"
127.0.0.1:6379> linsert list_key before 1 6
(integer) 8
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "6"
3) "1"  //第一个指定元素"1"
4) "5"
5) "3"
6) "1"
7) "2"
8) "1"

十五、从列表头部开始,移除count个指定元素value

  命令:lrem

  格式:lrem key count value

127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "6"
3) "1"
4) "5"
5) "3"
6) "1"
7) "2"
8) "1"
127.0.0.1:6379> lrem list_key 1 1
(integer) 1
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "6"
3) "5"
4) "3"
5) "1"
6) "2"
7) "1"
127.0.0.1:6379> lrem list_key 2 1
(integer) 2
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "6"
3) "5"
4) "3"
5) "2"
127.0.0.1:6379> lrem list_key 1 1
(integer) 0
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "6"
3) "5"
4) "3"
5) "2"

十六、通过索引设置列表元素的值

  命令:lset

  格式:lset key index value

127.0.0.1:6379> rpush list_key 1 2 3 4 5
(integer) 5
127.0.0.1:6379> lrange list_key 0 10
1) "1"
2) "2"
3) "3"
4) "4"
5) "5"
127.0.0.1:6379> lset list_key 0 10
OK
127.0.0.1:6379> lrange list_key 0 10
1) "10"
2) "2"
3) "3"
4) "4"
5) "5"
127.0.0.1:6379> lset list_key 3 10
OK
127.0.0.1:6379> lrange list_key 0 10
1) "10"
2) "2"
3) "3"
4) "10"
5) "5"

十七、对一个列表进行修剪,删除指定下标区间[start,stop]之外的元素

  命令:ltrim

  格式:ltrim key start stop

127.0.0.1:6379> del list_key
(integer) 1
127.0.0.1:6379> rpush list_key 1 2 3 4 5 6 7 8 9
(integer) 9
127.0.0.1:6379> lrange list_key 0 10
1) "1"
2) "2"
3) "3"
4) "4"
5) "5"
6) "6"
7) "7"
8) "8"
9) "9"
127.0.0.1:6379> ltrim list_key 3 6
OK
127.0.0.1:6379> lrange list_key 0 10
1) "4"
2) "5"
3) "6"
4) "7"

 

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