153 lines
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HTML
153 lines
36 KiB
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<title>事件 | Vue Grid Layout -️ 适用Vue.js的栅格布局系统</title>
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<meta property="og:title" content="事件 — Vue Grid Layout">
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简体中文
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更新日志
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</a></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="选择语言" class="dropdown-title"><span class="title">选择语言</span> <span class="arrow down"></span></button> <button type="button" aria-label="选择语言" class="mobile-dropdown-title"><span class="title">选择语言</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/vue-grid-layout/guide/events.html" class="nav-link">
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简体中文
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<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <div class="carbon-ads" data-v-6394a605></div> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>首页</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/vue-grid-layout/zh/guide/" aria-current="page" class="sidebar-link">安装</a></li><li><a href="/vue-grid-layout/zh/guide/usage.html" class="sidebar-link">用法</a></li><li><a href="/vue-grid-layout/zh/guide/properties.html" class="sidebar-link">属性</a></li><li><a href="/vue-grid-layout/zh/guide/events.html" aria-current="page" class="active sidebar-link">事件</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/vue-grid-layout/zh/guide/events.html#gridlayout" class="sidebar-link">GridLayout</a></li><li class="sidebar-sub-header"><a href="/vue-grid-layout/zh/guide/events.html#griditem" class="sidebar-link">GridItem</a></li></ul></li><li><a href="/vue-grid-layout/zh/guide/styling.html" class="sidebar-link">样式</a></li></ul></section></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>例子</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/vue-grid-layout/zh/guide/01-basic.html" class="sidebar-link">01 - 基本</a></li><li><a href="/vue-grid-layout/zh/guide/02-events.html" class="sidebar-link">02 - 移动事件并调整大小</a></li><li><a href="/vue-grid-layout/zh/guide/03-multiple-grids.html" class="sidebar-link">03 - 多个栅格</a></li><li><a href="/vue-grid-layout/zh/guide/04-allow-ignore.html" class="sidebar-link">04 - 拖动允许/忽略元素</a></li><li><a href="/vue-grid-layout/zh/guide/05-mirrored.html" class="sidebar-link">05 - 镜像反转栅格布局</a></li><li><a href="/vue-grid-layout/zh/guide/06-responsive.html" class="sidebar-link">06 - 响应式</a></li><li><a href="/vue-grid-layout/zh/guide/07-prevent-collision.html" class="sidebar-link">07 - 防止碰撞</a></li><li><a href="/vue-grid-layout/zh/guide/08-responsive-predefined-layouts.html" class="sidebar-link">08 - 响应预定义的布局</a></li><li><a href="/vue-grid-layout/zh/guide/09-dynamic-add-remove.html" class="sidebar-link">09 - 动态添加/删除</a></li><li><a href="/vue-grid-layout/zh/guide/10-drag-from-outside.html" class="sidebar-link">10 - 从外面拖动</a></li><li><a href="/vue-grid-layout/zh/guide/11-bounded.html" class="sidebar-link">11 - Dragging grid items bounded to grid container</a></li></ul></section></li></ul> <footer class="footer" data-v-6394a605>
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A product by:
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<a href="https://www.jbaysolutions.com/" target="_blank" rel="noopener" class="footer-card" data-v-6394a605><img src="/vue-grid-layout/assets/img/logo-jbay.png" alt="JBay Solutions" data-v-6394a605></a></footer></aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="事件"><a href="#事件" class="header-anchor">#</a> 事件</h1> <p>每一个栅格元素grid-item上都可以添加监听器，用于监听移动和调整大小事件，这样父级Vue对象就可以收到通知。</p> <p>示例 <a href="/vue-grid-layout/zh/guide/02-events.html">点击这里</a></p> <div class="language-html extra-class"><pre class="language-html"><code>
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<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>grid-layout</span>
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<span class="token attr-name">:layout</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>layout<span class="token punctuation">"</span></span>
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<span class="token attr-name">:col-num</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>12<span class="token punctuation">"</span></span>
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<span class="token attr-name">:row-height</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>30<span class="token punctuation">"</span></span>
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<span class="token attr-name">:is-draggable</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>true<span class="token punctuation">"</span></span>
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<span class="token attr-name">:is-resizable</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>true<span class="token punctuation">"</span></span>
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<span class="token attr-name">:vertical-compact</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>true<span class="token punctuation">"</span></span>
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<span class="token attr-name">:margin</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>[10, 10]<span class="token punctuation">"</span></span>
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<span class="token attr-name">:use-css-transforms</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>true<span class="token punctuation">"</span></span>
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<span class="token attr-name">@layout-created</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>layoutCreatedEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@layout-before-mount</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>layoutBeforeMountEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@layout-mounted</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>layoutMountedEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@layout-ready</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>layoutReadyEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@layout-updated</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>layoutUpdatedEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@breakpoint-changed</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>breakpointChangedEvent<span class="token punctuation">"</span></span>
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<span class="token punctuation">></span></span>
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<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>grid-item</span> <span class="token attr-name">v-for</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item in layout<span class="token punctuation">"</span></span>
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<span class="token attr-name">:x</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item.x<span class="token punctuation">"</span></span>
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<span class="token attr-name">:y</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item.y<span class="token punctuation">"</span></span>
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<span class="token attr-name">:w</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item.w<span class="token punctuation">"</span></span>
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<span class="token attr-name">:h</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item.h<span class="token punctuation">"</span></span>
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<span class="token attr-name">:i</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item.i<span class="token punctuation">"</span></span>
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<span class="token attr-name">:key</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>item.i<span class="token punctuation">"</span></span>
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<span class="token attr-name">@resize</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>resizeEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@move</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>moveEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@resized</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>resizedEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@container-resized</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>containerResizedEvent<span class="token punctuation">"</span></span>
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<span class="token attr-name">@moved</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>movedEvent<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>
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{{item.i}}
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<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>grid-item</span><span class="token punctuation">></span></span>
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<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>grid-layout</span><span class="token punctuation">></span></span>
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</code></pre></div><h2 id="gridlayout"><a href="#gridlayout" class="header-anchor">#</a> GridLayout</h2> <h3 id="layoutcreatedevent"><a href="#layoutcreatedevent" class="header-anchor">#</a> layoutCreatedEvent</h3> <p>对应Vue生命周期的created</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">layoutCreatedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">newLayout</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
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console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"Created layout: "</span><span class="token punctuation">,</span> newLayout<span class="token punctuation">)</span>
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<span class="token punctuation">}</span>
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</code></pre></div><h3 id="layoutbeforemountevent"><a href="#layoutbeforemountevent" class="header-anchor">#</a> layoutBeforeMountEvent</h3> <p>对应Vue生命周期的beforeMount</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">layoutBeforeMountEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">newLayout</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
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console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"beforeMount layout: "</span><span class="token punctuation">,</span> newLayout<span class="token punctuation">)</span>
|
||
<span class="token punctuation">}</span>
|
||
</code></pre></div><h3 id="layoutmountedevent"><a href="#layoutmountedevent" class="header-anchor">#</a> layoutMountedEvent</h3> <p>对应Vue生命周期的mounted</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">layoutMountedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">newLayout</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"Mounted layout: "</span><span class="token punctuation">,</span> newLayout<span class="token punctuation">)</span>
|
||
<span class="token punctuation">}</span>
|
||
</code></pre></div><h3 id="layoutreadyevent"><a href="#layoutreadyevent" class="header-anchor">#</a> layoutReadyEvent</h3> <p>当完成mount中的所有操作时生成的事件</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">layoutReadyEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">newLayout</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"Ready layout: "</span><span class="token punctuation">,</span> newLayout<span class="token punctuation">)</span>
|
||
<span class="token punctuation">}</span>
|
||
</code></pre></div><h3 id="layoutupdatedevent"><a href="#layoutupdatedevent" class="header-anchor">#</a> layoutUpdatedEvent</h3> <p>布局updated事件</p> <p>更新事件（布局更新或栅格元素的位置重新计算）</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">layoutUpdatedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">newLayout</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"Updated layout: "</span><span class="token punctuation">,</span> newLayout<span class="token punctuation">)</span>
|
||
<span class="token punctuation">}</span>
|
||
</code></pre></div><h3 id="breakpointchangedevent"><a href="#breakpointchangedevent" class="header-anchor">#</a> breakpointChangedEvent</h3> <p>断点更改事件</p> <p>每次断点值由于窗口调整大小而改变</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token comment">/**
|
||
*
|
||
* @param newBreakpoint the breakpoint name
|
||
* @param newLayout the chosen layout for the breakpoint
|
||
*
|
||
*/</span>
|
||
<span class="token function-variable function">breakpointChangedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">newBreakpoint<span class="token punctuation">,</span> newLayout</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"BREAKPOINT CHANGED breakpoint="</span><span class="token punctuation">,</span> newBreakpoint<span class="token punctuation">,</span> <span class="token string">", layout: "</span><span class="token punctuation">,</span> newLayout <span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</code></pre></div><h2 id="griditem"><a href="#griditem" class="header-anchor">#</a> GridItem</h2> <h3 id="moveevent"><a href="#moveevent" class="header-anchor">#</a> moveEvent</h3> <p>移动时的事件</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">moveEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">i<span class="token punctuation">,</span> newX<span class="token punctuation">,</span> newY</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"MOVE i="</span> <span class="token operator">+</span> i <span class="token operator">+</span> <span class="token string">", X="</span> <span class="token operator">+</span> newX <span class="token operator">+</span> <span class="token string">", Y="</span> <span class="token operator">+</span> newY<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</code></pre></div><h3 id="resizeevent"><a href="#resizeevent" class="header-anchor">#</a> resizeEvent</h3> <p>调整大小时的事件</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">resizeEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">i<span class="token punctuation">,</span> newH<span class="token punctuation">,</span> newW<span class="token punctuation">,</span> newHPx<span class="token punctuation">,</span> newWPx</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"RESIZE i="</span> <span class="token operator">+</span> i <span class="token operator">+</span> <span class="token string">", H="</span> <span class="token operator">+</span> newH <span class="token operator">+</span> <span class="token string">", W="</span> <span class="token operator">+</span> newW <span class="token operator">+</span> <span class="token string">", H(px)="</span> <span class="token operator">+</span> newHPx <span class="token operator">+</span> <span class="token string">", W(px)="</span> <span class="token operator">+</span> newWPx<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</code></pre></div><h3 id="movedevent"><a href="#movedevent" class="header-anchor">#</a> movedEvent</h3> <p>移动后的事件</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token function-variable function">movedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">i<span class="token punctuation">,</span> newX<span class="token punctuation">,</span> newY</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"MOVED i="</span> <span class="token operator">+</span> i <span class="token operator">+</span> <span class="token string">", X="</span> <span class="token operator">+</span> newX <span class="token operator">+</span> <span class="token string">", Y="</span> <span class="token operator">+</span> newY<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</code></pre></div><h3 id="resizedevent"><a href="#resizedevent" class="header-anchor">#</a> resizedEvent</h3> <p>调整大小后的事件</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token comment">/**
|
||
*
|
||
* @param i the item id/index
|
||
* @param newH new height in grid rows
|
||
* @param newW new width in grid columns
|
||
* @param newHPx new height in pixels
|
||
* @param newWPx new width in pixels
|
||
*
|
||
*/</span>
|
||
<span class="token function-variable function">resizedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">i<span class="token punctuation">,</span> newH<span class="token punctuation">,</span> newW<span class="token punctuation">,</span> newHPx<span class="token punctuation">,</span> newWPx</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"RESIZED i="</span> <span class="token operator">+</span> i <span class="token operator">+</span> <span class="token string">", H="</span> <span class="token operator">+</span> newH <span class="token operator">+</span> <span class="token string">", W="</span> <span class="token operator">+</span> newW <span class="token operator">+</span> <span class="token string">", H(px)="</span> <span class="token operator">+</span> newHPx <span class="token operator">+</span> <span class="token string">", W(px)="</span> <span class="token operator">+</span> newWPx<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</code></pre></div><h3 id="containerresizedevent"><a href="#containerresizedevent" class="header-anchor">#</a> containerResizedEvent</h3> <p>栅格元素/栅格容器更改大小的事件（浏览器窗口或其他）</p> <div class="language-javascript extra-class"><pre class="language-javascript"><code> <span class="token comment">/**
|
||
*
|
||
* @param i the item id/index
|
||
* @param newH new height in grid rows
|
||
* @param newW new width in grid columns
|
||
* @param newHPx new height in pixels
|
||
* @param newWPx new width in pixels
|
||
*
|
||
*/</span>
|
||
<span class="token function-variable function">containerResizedEvent</span><span class="token operator">:</span> <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">i<span class="token punctuation">,</span> newH<span class="token punctuation">,</span> newW<span class="token punctuation">,</span> newHPx<span class="token punctuation">,</span> newWPx</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
|
||
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">"CONTAINER RESIZED i="</span> <span class="token operator">+</span> i <span class="token operator">+</span> <span class="token string">", H="</span> <span class="token operator">+</span> newH <span class="token operator">+</span> <span class="token string">", W="</span> <span class="token operator">+</span> newW <span class="token operator">+</span> <span class="token string">", H(px)="</span> <span class="token operator">+</span> newHPx <span class="token operator">+</span> <span class="token string">", W(px)="</span> <span class="token operator">+</span> newWPx<span class="token punctuation">)</span><span class="token punctuation">;</span>
|
||
<span class="token punctuation">}</span><span class="token punctuation">,</span>
|
||
</code></pre></div></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/jbaysolutions/vue-grid-layout/edit/master/website/docs/zh/guide/events.md" target="_blank" rel="noopener noreferrer">帮助改善此页面！</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <div class="last-updated"><span class="prefix">最后更新时间:</span> <span class="time">2021/1/14 16:37:24</span></div></footer> <div class="page-nav"><p class="inner"><span class="prev">
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