blob: 3a6ee8a53d2988b9bee22357afedfcc2800fd2ff (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
---
title: FormData.getAll()
slug: Web/API/FormData/getAll
translation_of: Web/API/FormData/getAll
---
<p>{{APIRef("XMLHttpRequest")}}</p>
<p><code><strong>getAll()</strong></code>方法会返回该 {{domxref("FormData")}} 对象指定 key 的所有值。</p>
<div class="note">
<p><span style="font-size: 14px;"><strong>注意：</strong></span> 该方法在 <a href="/en-US/docs/Web/API/Web_Workers_API">Web Workers</a> 中可用。</p>
</div>
<h2 id="语法">语法</h2>
<pre class="brush: js">formData.getAll(name);</pre>
<h3 id="append()_Parameters" name="append()_Parameters">参数</h3>
<dl>
<dt><code>name</code></dt>
<dd>一个 {{domxref("USVString")}} 表示要检索的 key 名称。</dd>
</dl>
<h3 id="返回">返回</h3>
<p>一个 {{domxref("FormDataEntryValue")}} 数组。</p>
<h2 id="示例">示例</h2>
<p>下列代码会先创建一个空的 <code>FormData</code> 对象：</p>
<pre class="brush: js">var formData = new FormData();</pre>
<p>使用 {{domxref("FormData.append")}} 添加两个 <code>username 的值：</code></p>
<pre class="brush: js">formData.append('username', 'Chris');
formData.append('username', 'Bob');</pre>
<p>下列 <code>getAll()</code> 方法会返回一个数组，包含了所有 <code>username</code> 的值：</p>
<pre class="brush: js">formData.getAll('username'); // Returns ["Chris", "Bob"]</pre>
<h2 id="规范">规范</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">说明</th>
</tr>
<tr>
<td>{{SpecName('XMLHttpRequest','#dom-formdata-getall','getAll()')}}</td>
<td>{{Spec2('XMLHttpRequest')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<div>{{CompatibilityTable}}</div>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Chrome</th>
<th>Firefox (Gecko)</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatChrome(50.0)}}</td>
<td>{{CompatGeckoDesktop("39.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
</tr>
<tr>
<td>Available in web workers</td>
<td>{{CompatChrome(50.0)}}</td>
<td>{{CompatGeckoDesktop("39.0")}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Android</th>
<th>Android Webview</th>
<th>Firefox Mobile (Gecko)</th>
<th>Firefox OS (Gecko)</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
<th>Chrome for Android</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(50.0)}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
<td>
<p>{{CompatVersionUnknown}}</p>
</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(50.0)}}</td>
</tr>
<tr>
<td>Available in web workers</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(50.0)}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatVersionUnknown}}</td>
<td>{{CompatNo}}</td>
<td>{{CompatChrome(50.0)}}</td>
</tr>
</tbody>
</table>
</div>
<h2 id="相关链接">相关链接</h2>
<ul>
<li>{{domxref("XMLHTTPRequest")}}</li>
<li><a href="/en-US/docs/DOM/XMLHttpRequest/Using_XMLHttpRequest" title="Using XMLHttpRequest">使用 XMLHttpRequest</a></li>
<li><a href="/en-US/docs/DOM/XMLHttpRequest/FormData/Using_FormData_Objects" title="DOM/XMLHttpRequest/FormData/Using_FormData_objects">使用 FormData 对象</a></li>
<li>{{HTMLElement("Form")}}</li>
</ul>
|
