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186 lines
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<article class="" id="post-">
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<h1 class="entry-title">.serializeArray()</h1>
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所属分类：<span class="category"><a href="/category/forms/">表单</a></span><span class="category-divider"> | </span><span class="category"><a href="/category/ajax/">Ajax</a> > <a href="/category/ajax/helper-functions/">辅助函数</a></span>
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<span class="pull-right">英文文档：<a href="https://api.jquery123.com/serializeArray/" target="_blank">.serializeArray()</a></span>
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<article class="entry method" id="serializeArray1"><h2 class="section-title">
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<span class="name">.serializeArray()</span><span class="returns">返回: <a href="/Types/#Array">Array</a></span>
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<p class="desc"><strong>描述: </strong>将用作提交的表单元素的值编译成拥有name和value对象组成的数组。例如[ { name: a value: 1 }, { name: b value: 2 },...]</p>
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<ul class="signatures"><li class="signature" id="serializeArray">
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<h4 class="name">
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<span class="version-details">添加的版本: <a href="/category/version/1.2/">1.2</a></span>.serializeArray()</h4>
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<ul><li><div class="null-signature">这个方法不接受任何参数。</div></li></ul>
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<div class="longdesc" id="entry-longdesc">
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<p><code>.serializeArray()</code> 方法创建一个对象组成的javascript数组，用来编码成一个JSON一样的字符串。 它可以对一个代表一组表单元素的 jQuery 对象进行操作。表单元素可以有以下几种类型：</p>
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<pre><div class="container"><div class="line"><code><span class="tag"><<span class="title">form</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span><span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"text"</span> <span class="attribute">name</span>=<span class="value">"a"</span> <span class="attribute">value</span>=<span class="value">"1"</span> <span class="attribute">id</span>=<span class="value">"a"</span> /></span><span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span><span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"text"</span> <span class="attribute">name</span>=<span class="value">"b"</span> <span class="attribute">value</span>=<span class="value">"2"</span> <span class="attribute">id</span>=<span class="value">"b"</span> /></span><span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span><span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"hidden"</span> <span class="attribute">name</span>=<span class="value">"c"</span> <span class="attribute">value</span>=<span class="value">"3"</span> <span class="attribute">id</span>=<span class="value">"c"</span> /></span><span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">textarea</span> <span class="attribute">name</span>=<span class="value">"d"</span> <span class="attribute">rows</span>=<span class="value">"8"</span> <span class="attribute">cols</span>=<span class="value">"40"</span>></span>4<span class="tag"></<span class="title">textarea</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span><span class="tag"><<span class="title">select</span> <span class="attribute">name</span>=<span class="value">"e"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span> <span class="attribute">value</span>=<span class="value">"5"</span> <span class="attribute">selected</span>=<span class="value">"selected"</span>></span>5<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span> <span class="attribute">value</span>=<span class="value">"6"</span>></span>6<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span> <span class="attribute">value</span>=<span class="value">"7"</span>></span>7<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">select</span>></span><span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"checkbox"</span> <span class="attribute">name</span>=<span class="value">"f"</span> <span class="attribute">value</span>=<span class="value">"8"</span> <span class="attribute">id</span>=<span class="value">"f"</span> /></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"submit"</span> <span class="attribute">name</span>=<span class="value">"g"</span> <span class="attribute">value</span>=<span class="value">"Submit"</span> <span class="attribute">id</span>=<span class="value">"g"</span> /></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">div</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">form</span>></span></code></div></div></pre>
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<p>
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<code>.serializeArray()</code>方法使用标准的W3C<a href="http://www.w3.org/TR/html401/interact/forms.html#h-17.13.2">"successful controls"</a>的标准来检测哪些元素应当包括在内。被禁用的元素不会被包括在内。并且,元素必须含有 <code>name</code> 属性。此外，提交按钮的值也不会被序列化。文件选择元素的数据也不会被序列化。</p>
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<p><code>.serializeArray()</code> 方法可以对单独选择的表单元素对象进行操作， 比如 <code><input></code>, <code><textarea></code>, 和 <code><select></code>。还有个更方便的方法是，直接使用 <code><form></code> 标签来进行序列化操作：</p>
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<pre><div class="container"><div class="line"><code>$(<span class="string">'form'</span>).submit(<span class="keyword">function</span>() {</code></div></div><div class="container"><div class="line"><code> console.log($(<span class="keyword">this</span>).serializeArray());</code></div></div><div class="container"><div class="line"><code> <span class="keyword">return</span> <span class="literal">false</span>;</code></div></div><div class="container"><div class="line"><code>});</code></div></div></pre>
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<p>这将产生以下数据结构(浏览器提供的<code>console.log</code>):</p>
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<pre><div class="container"><div class="line"><code>[</code></div></div><div class="container"><div class="line"><code> {</code></div></div><div class="container"><div class="line"><code> name: <span class="string">"a"</span>,</code></div></div><div class="container"><div class="line"><code> value: <span class="string">"1"</span></code></div></div><div class="container"><div class="line"><code> },</code></div></div><div class="container"><div class="line"><code> {</code></div></div><div class="container"><div class="line"><code> name: <span class="string">"b"</span>,</code></div></div><div class="container"><div class="line"><code> value: <span class="string">"2"</span></code></div></div><div class="container"><div class="line"><code> },</code></div></div><div class="container"><div class="line"><code> {</code></div></div><div class="container"><div class="line"><code> name: <span class="string">"c"</span>,</code></div></div><div class="container"><div class="line"><code> value: <span class="string">"3"</span></code></div></div><div class="container"><div class="line"><code> },</code></div></div><div class="container"><div class="line"><code> {</code></div></div><div class="container"><div class="line"><code> name: <span class="string">"d"</span>,</code></div></div><div class="container"><div class="line"><code> value: <span class="string">"4"</span></code></div></div><div class="container"><div class="line"><code> },</code></div></div><div class="container"><div class="line"><code> {</code></div></div><div class="container"><div class="line"><code> name: <span class="string">"e"</span>,</code></div></div><div class="container"><div class="line"><code> value: <span class="string">"5"</span></code></div></div><div class="container"><div class="line"><code> }</code></div></div><div class="container"><div class="line"><code>]</code></div></div></pre>
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<section class="entry-examples" id="entry-examples"><header><h2 class="underline">例子:</h2></header><div class="entry-example" id="example-0">
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<h4><span class="desc">从表单获取值，遍历并且显示他们</span></h4>
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<pre><div class="container"><div class="line"><code><span class="doctype"><!DOCTYPE html></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">html</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">head</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">style</span>></span><span class="css"></span></code></div></div><div class="container"><div class="line"><code> <span class="tag">body</span>, <span class="tag">select</span> <span class="rules">{ <span class="rule"><span class="attribute">font-size</span>:<span class="value"><span class="number">14</span>px;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag">form</span> <span class="rules">{ <span class="rule"><span class="attribute">margin</span>:<span class="value"><span class="number">5</span>px;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag">p</span> <span class="rules">{ <span class="rule"><span class="attribute">color</span>:<span class="value">red;</span></span> <span class="rule"><span class="attribute">margin</span>:<span class="value"><span class="number">5</span>px;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag">b</span> <span class="rules">{ <span class="rule"><span class="attribute">color</span>:<span class="value">blue;</span></span> <span class="rule">}</span></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">style</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">script</span> <span class="attribute">src</span>=<span class="value">"https://code.jquery.com/jquery-latest.js"</span>></span><span class="javascript"></span><span class="tag"></<span class="title">script</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">head</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">body</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">p</span>></span><span class="tag"><<span class="title">b</span>></span>Results:<span class="tag"></<span class="title">b</span>></span> <span class="tag"><<span class="title">span</span> <span class="attribute">id</span>=<span class="value">"results"</span>></span><span class="tag"></<span class="title">span</span>></span><span class="tag"></<span class="title">p</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">form</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">select</span> <span class="attribute">name</span>=<span class="value">"single"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span>></span>Single<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span>></span>Single2<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">select</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">select</span> <span class="attribute">name</span>=<span class="value">"multiple"</span> <span class="attribute">multiple</span>=<span class="value">"multiple"</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span> <span class="attribute">selected</span>=<span class="value">"selected"</span>></span>Multiple<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span>></span>Multiple2<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">option</span> <span class="attribute">selected</span>=<span class="value">"selected"</span>></span>Multiple3<span class="tag"></<span class="title">option</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">select</span>></span><span class="tag"><<span class="title">br</span>/></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"checkbox"</span> <span class="attribute">name</span>=<span class="value">"check"</span> <span class="attribute">value</span>=<span class="value">"check1"</span> <span class="attribute">id</span>=<span class="value">"ch1"</span>/></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">label</span> <span class="attribute">for</span>=<span class="value">"ch1"</span>></span>check1<span class="tag"></<span class="title">label</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"checkbox"</span> <span class="attribute">name</span>=<span class="value">"check"</span> <span class="attribute">value</span>=<span class="value">"check2"</span> <span class="attribute">checked</span>=<span class="value">"checked"</span> <span class="attribute">id</span>=<span class="value">"ch2"</span>/></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">label</span> <span class="attribute">for</span>=<span class="value">"ch2"</span>></span>check2<span class="tag"></<span class="title">label</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"radio"</span> <span class="attribute">name</span>=<span class="value">"radio"</span> <span class="attribute">value</span>=<span class="value">"radio1"</span> <span class="attribute">checked</span>=<span class="value">"checked"</span> <span class="attribute">id</span>=<span class="value">"r1"</span>/></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">label</span> <span class="attribute">for</span>=<span class="value">"r1"</span>></span>radio1<span class="tag"></<span class="title">label</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">input</span> <span class="attribute">type</span>=<span class="value">"radio"</span> <span class="attribute">name</span>=<span class="value">"radio"</span> <span class="attribute">value</span>=<span class="value">"radio2"</span> <span class="attribute">id</span>=<span class="value">"r2"</span>/></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> <span class="tag"><<span class="title">label</span> <span class="attribute">for</span>=<span class="value">"r2"</span>></span>radio2<span class="tag"></<span class="title">label</span>></span></code></div></div><div class="container"><div class="line"><code> <span class="tag"></<span class="title">form</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"><<span class="title">script</span>></span><span class="javascript"></span></code></div></div><div class="container"><div class="line"><code> <span class="function"><span class="keyword">function</span> <span class="title">showValues</span><span class="params">()</span> {</span></code></div></div><div class="container"><div class="line"><code> <span class="keyword">var</span> fields = $(<span class="string">":input"</span>).serializeArray();</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"#results"</span>).empty();</code></div></div><div class="container"><div class="line"><code> jQuery.each(fields, <span class="keyword">function</span>(i, field){</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"#results"</span>).append(field.value + <span class="string">" "</span>);</code></div></div><div class="container"><div class="line"><code> });</code></div></div><div class="container"><div class="line"><code> }</code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code> $(<span class="string">":checkbox, :radio"</span>).click(showValues);</code></div></div><div class="container"><div class="line"><code> $(<span class="string">"select"</span>).change(showValues);</code></div></div><div class="container"><div class="line"><code> showValues();</code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">script</span>></span></code></div></div><div class="container"><div class="line"><code> </code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">body</span>></span></code></div></div><div class="container"><div class="line"><code><span class="tag"></<span class="title">html</span>></span></code></div></div></pre>
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||
</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
</div>
|
||
<h4>Demo:</h4>
|
||
<div class="demo code-demo"></div>
|
||
</div></section>
|
||
</div></article> </div>
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</article> |