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<a href="/专栏/Redis 核心原理与实战/21 游标迭代器(过滤器)——Scan.md.html">21 游标迭代器(过滤器)——Scan.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/22 优秀的基数统计算法——HyperLogLog.md.html">22 优秀的基数统计算法——HyperLogLog.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/23 内存淘汰机制与算法.md.html">23 内存淘汰机制与算法.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/24 消息队列——发布订阅模式.md.html">24 消息队列——发布订阅模式.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/25 消息队列的其他实现方式.md.html">25 消息队列的其他实现方式.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/26 消息队列终极解决方案——Stream(上).md.html">26 消息队列终极解决方案——Stream(上).md.html</a>
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<a href="/专栏/Redis 核心原理与实战/27 消息队列终极解决方案——Stream(下).md.html">27 消息队列终极解决方案——Stream(下).md.html</a>
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<a href="/专栏/Redis 核心原理与实战/28 实战:分布式锁详解与代码.md.html">28 实战:分布式锁详解与代码.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/29 实战:布隆过滤器安装与使用及原理分析.md.html">29 实战:布隆过滤器安装与使用及原理分析.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/30 完整案例:实现延迟队列的两种方法.md.html">30 完整案例:实现延迟队列的两种方法.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/31 实战:定时任务案例.md.html">31 实战:定时任务案例.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/32 实战:RediSearch 高性能的全文搜索引擎.md.html">32 实战:RediSearch 高性能的全文搜索引擎.md.html</a>
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<a href="/专栏/Redis 核心原理与实战/37 实战:Redis哨兵模式(上).md.html">37 实战:Redis哨兵模式(上).md.html</a>
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<a href="/专栏/Redis 核心原理与实战/38 实战:Redis 哨兵模式(下).md.html">38 实战:Redis 哨兵模式(下).md.html</a>
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<a href="/专栏/Redis 核心原理与实战/39 实战:Redis 集群模式(上).md.html">39 实战:Redis 集群模式(上).md.html</a>
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<a href="/专栏/Redis 核心原理与实战/41 案例:Redis 问题汇总和相关解决方案.md.html">41 案例:Redis 问题汇总和相关解决方案.md.html</a>
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overlay.classList.remove('show')
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}
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||
|
||
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||
</script>
|
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|
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|
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|
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<div class="columns">
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<div class="column col-12 col-lg-12">
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<div class="book-navbar">
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<!-- For Responsive Layout -->
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<header class="navbar">
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<section class="navbar-section">
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<a onclick="open_sidebar()">
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<i class="icon icon-menu"></i>
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</a>
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</section>
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overflow-x: auto;
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|
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overflow-y: hidden;">
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|
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<div class="book-post">
|
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|
||
<p id="tip" align="center"></p>
|
||
|
||
<div><h1>11 附录:更多列表操作命令</h1>
|
||
|
||
<h3>在某值之前/之后添加某个元素</h3>
|
||
|
||
<p>语法:linsert key before|after pivot value 示例:</p>
|
||
|
||
<pre><code class="language-shell">127.0.0.1:6379> linsert list3 before b A
|
||
|
||
(integer) 4
|
||
|
||
127.0.0.1:6379> lrange list3 0 -1
|
||
|
||
"a"
|
||
|
||
"A"
|
||
|
||
"b"
|
||
|
||
"c"
|
||
|
||
|
||
|
||
</code></pre>
|
||
|
||
<h3>根据下标修改元素</h3>
|
||
|
||
<p>语法:lset key index value 示例*:*</p>
|
||
|
||
<pre><code class="language-shell">127.0.0.1:6379> lindex list3 0
|
||
|
||
"a"
|
||
|
||
127.0.0.1:6379> lset list3 0 A
|
||
|
||
OK
|
||
|
||
127.0.0.1:6379> lindex list3 0
|
||
|
||
"A"
|
||
|
||
|
||
|
||
</code></pre>
|
||
|
||
<h3>根据下标删除元素</h3>
|
||
|
||
<p>语法:ltrim key start stop 示例:</p>
|
||
|
||
<pre><code class="language-shell">127.0.0.1:6379> lpush list a b c
|
||
|
||
(integer) 3
|
||
|
||
127.0.0.1:6379> ltrim list 0 1
|
||
|
||
OK
|
||
|
||
127.0.0.1:6379> lrange list 0 -1
|
||
|
||
1) "c"
|
||
|
||
2) "b"
|
||
|
||
|
||
|
||
</code></pre>
|
||
|
||
<h3>查询列表的长度</h3>
|
||
|
||
<p>语法:llen key 示例:</p>
|
||
|
||
<pre><code class="language-shell">127.0.0.1:6379> llen list
|
||
|
||
(integer) 2
|
||
|
||
|
||
|
||
</code></pre>
|
||
|
||
<h3>删除指定个数的元素</h3>
|
||
|
||
<p><strong>语法</strong>:lrem key count value 示例:</p>
|
||
|
||
<pre><code class="language-shell">127.0.0.1:6379> lpush list a a b b c c
|
||
|
||
(integer) 6
|
||
|
||
127.0.0.1:6379> lrem list 2 a
|
||
|
||
(integer) 2
|
||
|
||
127.0.0.1:6379> lrem list 1 b
|
||
|
||
(integer) 1
|
||
|
||
127.0.0.1:6379> lrange list 0 -1
|
||
|
||
1) "c"
|
||
|
||
2) "c"
|
||
|
||
3) "b"
|
||
|
||
|
||
|
||
</code></pre>
|
||
|
||
</div>
|
||
|
||
</div>
|
||
|
||
<div>
|
||
|
||
<div style="float: left">
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|
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