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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
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+---
+title: Clipboard.readText()
+slug: Web/API/Clipboard/readText
+tags:
+ - API
+ - Async Clipboard API
+ - Clip
+ - Clipboard
+ - readText
+ - 复制
+ - 粘贴
+translation_of: Web/API/Clipboard/readText
+---
+<div>{{APIRef("Clipboard API")}}</div>
+
+<div><span class="seoSummary"><strong>{{domxref("Clipboard")}}</strong> </span>接口的<span class="seoSummary"><strong><code>readText()</code></strong></span>方法解析系统剪贴板的文本内容返回一个<span class="seoSummary">{{jsxref("Promise")}} </span>。</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">var <em>promise</em> = navigator.clipboard.readText()</pre>
+
+<h3 id="参数">参数</h3>
+
+<p>None.</p>
+
+<h3 id="返回值"><span>返回值</span></h3>
+
+<p>A {{jsxref("Promise")}} that resolves with a {{domxref("DOMString")}} containing the textual contents of the clipboard. Returns an empty string if the clipboard is empty, does not contain text, or does not include a textual representation among the {{domxref("DataTransfer")}} objects representing the clipboard's contents.</p>
+
+<p>要从剪贴板中读取非文本内容,请改用{{domxref("Clipboard.read", "read()")}}方法。您可以使用 {{domxref("Clipboard.writeText", "writeText()")}}将文本写入剪贴板</p>
+
+<h2 id="例子">例子</h2>
+
+<p>此示例检索剪贴板的文本内容,并将返回的文本插入元素的内容中。</p>
+
+<pre class="brush: js">navigator.clipboard.readText().then(
+ clipText =&gt; document.getElementById("outbox").innerText = clipText);</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">注解</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('Clipboard API','#h-clipboard-readtext','readText()')}}</td>
+ <td>{{Spec2('Clipboard API')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("api.Clipboard.readText")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li><a href="/en-US/docs/Web/API/Clipboard_API">Clipboard API</a></li>
+ <li>{{domxref("Clipboard.writeText()")}}</li>
+ <li>{{domxref("Clipboard.write()")}}</li>
+</ul>