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chapter2/05_Control_Flow.html
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<link rel="prev" href="../chapter2/04_Collection_Types.html" />
<meta property="og:title" content="控制流 | 这一次，让中国和世界同步">
<meta property="og:site_name" content="这一次，让中国和世界同步">
<meta property="og:title" content="控制流 | Swift 编程语言">
<meta property="og:site_name" content="Swift 编程语言">
<meta property="og:type" content="book">
<meta property="og:locale" content="en_US">
@ -46,7 +46,7 @@
<div class="book" data-level="2.5" data-basepath=".." data-revision="1402523087598">
<div class="book" data-level="2.5" data-basepath=".." data-revision="1402550478518">
<div class="book-header">
<!-- Actions Left -->
<a href="#" class="btn pull-left toggle-summary" aria-label="Toggle summary"><i class="fa fa-align-justify"></i></a>
@ -98,7 +98,7 @@
<!-- Title -->
<h1>
<i class="fa fa-spinner fa-spin"></i>
<a href="../" >这一次，让中国和世界同步</a>
<a href="../" >Swift 编程语言</a>
</h1>
</div>
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<div class="page-inner">
<section class="normal" id="section-gitbook_6479">
<section class="normal" id="section-gitbook_106">
<blockquote>
<p>翻译：vclwei, @coverxit, @NicePiao</p>
<p>翻译：vclwei, coverxit, NicePiao</p>
<p>校对：coverxit</p>
</blockquote>
<h1 id="-">控制流</h1>
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<ul>
<li><a href="#for_loops">For 循环</a></li>
<li><a href="#while_loops">While 循环</a></li>
<li><p><a href="#conditional_statement">条件语句</a></p>
</li>
<li><p><a href="#control_transfer_statements">控制传递语句（Control Transfer Statements）</a></p>
</li>
<li><a href="#conditional_statement">条件语句</a></li>
<li><a href="#control_transfer_statements">控制传递语句（Control Transfer Statements）</a></li>
</ul>
<p>Swift提供了类似 C 语言的流程控制结构，包括可以多次执行任务的<code>for</code>和<code>while</code>循环，基于特定条件选择执行不同代码分支的<code>if</code>和<code>switch</code>语句，还有控制流程跳转到其他代码的<code>break</code>和<code>continue</code>语句。</p>
<p>除了 C 语言里面传统的for条件递增（<code>for-condition-increment</code>）循环，Swift 还增加了<code>for-in</code>循环，用来更简单地遍历数组（array），字典（dictionary），区间（range），字符串（string）和其他序列类型。</p>