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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.write()
+slug: Web/API/Clipboard/write
+translation_of: Web/API/Clipboard/write
+---
+<p>{{APIRef("Clipboard API")}}</p>
+
+<div> </div>
+
+<p> </p>
+
+<div> </div>
+
+<p><span class="seoSummary">{{domxref("Clipboard")}} 的方法 <strong><code>write()</code></strong> 写入图片等任意的数据到剪贴板。</span> 这个方法可以用于实现剪切和复制的功能。</p>
+
+<p>但是你要提前获取 "<a href="/en-US/docs/Web/API/Permissions_API">Permissions API</a>" 的 <code>"clipboard-write"</code> 权限才能将数据写入到剪贴板。</p>
+
+<div class="note">
+<p><strong>注意:</strong> 浏览器对这个异步剪贴板的 API 仍然在讨论中。所以在使用它之前请检查 {{anch("Browser compatibility", "compatibility table")}} 和 {{SectionOnPage("/en-US/docs/Web/API/Clipboard", "Clipboard availability")}} 以获得更多的兼容性信息。</p>
+</div>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">var <em>promise</em> = navigator.clipboard.write(<em>dataTransfer</em>)</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>dataTransfer</code></dt>
+ <dd>{{domxref("DataTransfer")}} 对象包含了要写入剪贴板的数据。</dd>
+</dl>
+
+<h3 id="返回值">返回值</h3>
+
+<p>当数据被写入到剪贴板的时候,{{jsxref("Promise")}} resolve 回调被执行。如果剪贴板不能完成剪贴操作,{{jsxref("Promise")}}  reject 回调被执行。</p>
+
+<h2 id="示例">示例</h2>
+
+<p>这个例子展示了如何将当前剪贴板的内容替换为给定的内容。</p>
+
+<pre class="brush: js">function setClipboard(text) {
+ let data = new DataTransfer();
+
+ data.items.add("text/plain", text);
+ navigator.clipboard.write(data).then(function() {
+ /* success */
+ }, function() {
+ /* failure */
+ });
+}
+</pre>
+
+<p>代码创建了一个 {{domxref("DataTransfer")}} 对象,要替换的内容存储在这里。执行 {{domxref("DataTransferItemList.add()")}} 将数据写入进去,然后执行 <code>write()</code> 方法,指定执行成功或错误的结果。</p>
+
+<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">备注</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('Clipboard API','#h-clipboard-write-data','write()')}}</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.write")}}</p>