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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/xmlhttprequest/responsetext | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/api/xmlhttprequest/responsetext/index.html b/files/zh-cn/web/api/xmlhttprequest/responsetext/index.html new file mode 100644 index 0000000000..5b6708acd4 --- /dev/null +++ b/files/zh-cn/web/api/xmlhttprequest/responsetext/index.html @@ -0,0 +1,114 @@ +--- +title: XMLHttpRequest.responseText +slug: Web/API/XMLHttpRequest/responseText +tags: + - XMLHttpRequest.responseText +translation_of: Web/API/XMLHttpRequest/responseText +--- +<div>{{draft}}</div> + +<div>{{APIRef('XMLHttpRequest')}}</div> + +<p><strong>XMLHttpRequest.responseText </strong>在一个请求被发送后,从服务器端返回文本。</p> + +<h2 id="语法">语法</h2> + +<pre>var resultText = XMLHttpRequest.responseText;</pre> + +<h3 id="取值">取值</h3> + +<p>{{domxref("DOMString")}} 是<code>XMLHttpRequest</code> 返回的纯文本的值。当{{domxref("DOMString")}} 为<code>null</code>时,表示请求失败了。当{{domxref("DOMString")}} 为""时,表示这个请求还没有被{{domxref("XMLHttpRequest.send", "send()")}}</p> + +<p>当处理一个异步request的时候,尽管当前请求并没有结束,<code>responseText</code>的返回值是当前从后端收到的内容。</p> + +<p>当请求状态{{domxref("XMLHttpRequest.readyState", "readyState")}}变为{{domxref("XMLHttpRequest.DONE", "XMLHttpRequest.DONE")}} (<code>4</code>),且{{domxref("XMLHttpRequest.status", "status")}}值为200(<font face="consolas, Liberation Mono, courier, monospace"><span style="background-color: rgba(220, 220, 220, 0.5);">"OK"</span></font>)时,<code>responseText</code>是全部后端的返回数据</p> + +<h2 id="例子">例子</h2> + +<pre class="brush: js">var xhr = new XMLHttpRequest(); +xhr.open('GET', '/server', true); + +// If specified, responseType must be empty string or "text" +xhr.responseType = 'text'; + +xhr.onload = function () { + if (xhr.readyState === xhr.DONE) { + if (xhr.status === 200) { + console.log(xhr.response); + console.log(xhr.responseText); + } + } +}; + +xhr.send(null);</pre> + +<h2 id="格式">格式</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">格式</th> + <th scope="col">状态</th> + <th scope="col">备注</th> + </tr> + <tr> + <td>{{SpecName('XMLHttpRequest', '#the-responsetext-attribute')}}</td> + <td>{{Spec2('XMLHttpRequest')}}</td> + <td>WHATWG living standard</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 (WebKit)</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}<sup>[1]</sup></td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Chrome for Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Mobile</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + <td>{{CompatUnknown}}</td> + </tr> + </tbody> +</table> +</div> + +<p>[1] 在IE10前的版本请求完成时, XMLHttpRequest.responseText 的值为只读。</p> |