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diff --git a/files/zh-cn/web/api/element/paste_event/index.html b/files/zh-cn/web/api/element/paste_event/index.html new file mode 100644 index 0000000000..e303cd4697 --- /dev/null +++ b/files/zh-cn/web/api/element/paste_event/index.html @@ -0,0 +1,104 @@ +--- +title: 'Element: paste事件' +slug: Web/API/Element/paste_event +tags: + - Clipboard API + - Event + - Reference +translation_of: Web/API/Element/paste_event +original_slug: Web/Events/paste +--- +<p> {{APIRef}}</p> + +<p>当用户在浏览器用户界面发起“粘贴”操作时,会触发<strong><code>paste</code></strong>事件。</p> + +<pre class="syntaxbox"><strong>冒泡</strong> 是 + +<strong>可取消</strong> 是 + +<strong>接口</strong> {{domxref("ClipboardEvent")}} + +<strong>事件处理属性</strong> {{domxref("HTMLElement/onpaste", "onpaste")}} +</pre> + +<p><span style="font-size: 1rem; letter-spacing: -0.00278rem;">如果光标位于可编辑的上下文中(例如,在 {{HTMLElement("textarea")}} 或者 </span><code style="font-style: normal; font-size: 1rem; letter-spacing: -0.00278rem;"><a href="https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/contenteditable">contenteditable</a></code><span style="font-size: 1rem; letter-spacing: -0.00278rem;"> 属性设置为 </span><code style="font-style: normal; font-size: 1rem; letter-spacing: -0.00278rem;">true的元素</code><span style="font-size: 1rem; letter-spacing: -0.00278rem;">),则默认操作是将剪贴板的内容插入光标所在位置的文档中。</span></p> + +<p>事件处理程序可以通过调用事件的 <code>clipboardData</code> 属性上的 {{domxref("DataTransfer/getData", "getData()")}}访问剪贴板内容。</p> + +<p>要覆盖默认行为(例如,插入一些不同的数据或转换剪贴板的内容),事件处理程序必须使用 {{domxref("Event/preventDefault", "event.preventDefault()")}},取消默认操作,然后手动插入想要的数据。</p> + +<p>可以构造和分派<a href="https://developer.mozilla.org/zh-CN/docs/Web/Guide/Events/Creating_and_triggering_events">合成的</a><code>paste</code>事件,但这不会影响文档内容。</p> + +<h2 id="举例">举例</h2> + +<h3 id="Live_example">Live example</h3> + +<h4 id="HTML">HTML</h4> + +<pre class="brush: html"><div class="source" contenteditable="true">Try copying text from this box...</div> +<div class="target" contenteditable="true">...and pasting it into this one</div></pre> + +<h4 id="CSS">CSS</h4> + +<pre class="brush: css">div.source, div.target { + border: 1px solid gray; + margin: .5rem; + padding: .5rem; + height: 1rem; + background-color: #e9eef1; +} +</pre> + +<h4 id="JS">JS</h4> + +<pre class="brush: js">const target = document.querySelector('div.target'); + +target.addEventListener('paste', (event) => { + let paste = (event.clipboardData || window.clipboardData).getData('text'); + paste = paste.toUpperCase(); + + const selection = window.getSelection(); + if (!selection.rangeCount) return false; + selection.deleteFromDocument(); + selection.getRangeAt(0).insertNode(document.createTextNode(paste)); + + event.preventDefault(); +}); +</pre> + +<h4 id="Result">Result</h4> + +<p> {{EmbedLiveSample('Live_example', '100%', '100px')}}</p> + +<h2 id="规范">规范</h2> + +<table> + <thead> + <tr> + <th scope="col">规范</th> + <th scope="col">状态</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('Clipboard API', '#clipboard-event-paste')}}</td> + <td>{{Spec2('Clipboard API')}}</td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + +<div class="hidden"> +<p>The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p> +</div> + +<p>{{Compat("api.Element.paste_event")}}</p> + +<h2 id="另见">另见</h2> + +<ul> + <li>Related events: {{domxref("Element/cut_event", "cut")}}, {{domxref("Element/copy_event", "copy")}}</li> + <li>This event on {{domxref("Document")}} targets: {{domxref("Document/paste_event", "paste")}}</li> + <li>This event on {{domxref("Window")}} targets: {{domxref("Window/paste_event", "paste")}}</li> +</ul> |