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Redis关于list类型操作

Jun 07, 2016 pm 05:33 PM
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Redis关于list类型操作 1gt;栈的特性:先进后出,后进先出2gt;队列的特性:先进先出,后进后出List是一个链表结构,既可可以做为栈

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Redis关于list类型操作

[日期:2013-11-15] 来源:Linux社区  作者:xiaohongyangok [字体:]

Redis关于list类型操作

1>栈的特性:先进后出,后进先出
2>队列的特性:先进先出,后进后出
List是一个链表结构,既可可以做为栈也可以作为队列处理数据.
lpush mylist "world" //向mylist尾部中放入world
lpush mylist "hello" //向mylist尾部中存入hello
lrange 0 -1 //获取mylist中的所有元素
rpush mylist2 "hello" //向mylist头部中存入hello
rpush mylist2 "world" //向mylist头部中存入world
lrange 0 -1
linsert mylist2 before world "xhy" //向mylist中world元素前插入"xhy"
lset mylist2 0 "example" //设置mylist中的第0个元素的值为"example"
lpush mylist_rem "one"
lpush mylist_rem "one"
lpush mylist_rem "one"
lrem mylist_rem 1 "one //删除1个值为"one"的元素
lpush mylist_ltrim "one"
lpush mylist_ltrim "two"
lpush mylist_ltrim "three"
lpush mylist_ltrim "four"
lpush mylist_ltrim "five"
ltrim mylist_ltrim 2 3 //除了第2和第3个元素,删除其它元素

lpush list_pop 1
lpush list_pop 1
lpush list_pop 1
lrange list_pop 0 -1
lpop list_pop //从头部删除list_pop的第一个元素
rpop list_pop //从尾部删除list_pop的第一个元素
lpush list_1 0
lpush list_1 1
lpush list_1 2
lpush list_1 3
lrange list_1 0 -1
lpush list_2 4
lpush list_2 5
lpush list_2 6
lpush list_2 7
lrange list_2 0 -1
rpoplpush list_1 list_2 //从list_1中的尾部弹出第1个元素并添加到list_2的头部中
lindex list_2 0 //取出list_2第0个元素
lindex list_2 1
llen //返回链表的长度

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