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href="/zh/docs/components/a.html" class="sidebar-link">&lt;a&gt;</a></li><li><a href="/zh/docs/components/div.html" class="sidebar-link">&lt;div&gt;</a></li><li><a href="/zh/docs/components/text.html" class="sidebar-link">&lt;text&gt;</a></li><li><a href="/zh/docs/components/image.html" class="sidebar-link">&lt;image&gt;</a></li><li><a href="/zh/docs/components/list.html" class="sidebar-link">&lt;list&gt;</a></li><li><a href="/zh/docs/components/cell.html" class="sidebar-link">&lt;cell&gt;</a></li><li><a href="/zh/docs/components/loading.html" class="sidebar-link">&lt;loading&gt;</a></li><li><a href="/zh/docs/components/refresh.html" class="sidebar-link">&lt;refresh&gt;</a></li><li><a href="/zh/docs/components/recycle-list.html" class="sidebar-link">&lt;recycle-list&gt;</a></li><li><a href="/zh/docs/components/scroller.html" class="sidebar-link">&lt;scroller&gt;</a></li><li><a href="/zh/docs/components/slider.html" class="sidebar-link">&lt;slider&gt;</a></li><li><a href="/zh/docs/components/indicator.html" class="sidebar-link">&lt;indicator&gt;</a></li><li><a href="/zh/docs/components/textarea.html" class="sidebar-link">&lt;textarea&gt;</a></li><li><a href="/zh/docs/components/input.html" class="sidebar-link">&lt;input&gt;</a></li><li><a href="/zh/docs/components/waterfall.html" class="sidebar-link">&lt;waterfall&gt;</a></li><li><a href="/zh/docs/components/video.html" class="sidebar-link">&lt;video&gt;</a></li><li><a href="/zh/docs/components/web.html" class="sidebar-link">&lt;web&gt;</a></li><li><a href="/zh/docs/components/richtext.html" class="sidebar-link">&lt;richtext&gt;</a></li></ul></div></li><li><div class="sidebar-group"><p class="sidebar-heading open"><span>内置模块</span><!----></p><ul class="sidebar-group-items"><li><a href="/zh/docs/modules/animation.html" class="active sidebar-link">animation</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/zh/docs/modules/animation.html#transition" 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class="page"><div class="content"><h1 id="animation"><a href="#animation" class="header-anchor">#</a> animation</h1><p><code>animation</code> 模块可以用来在组件上执行动画。JS-Animation可以对组件执行一系列简单的变换 (位置、大小、旋转角度、背景颜色和不透明度)。</p><p>举个例子,如果有一个 <code>&lt;image&gt;</code> 组件,通过动画你可以对其进行移动、旋转、拉伸或收缩等动作。</p><div class="language-javascript extra-class"><pre class="language-javascript"><code>animation<span class="token punctuation">.</span><span class="token function">transition</span><span class="token punctuation">(</span>ref1<span class="token punctuation">,</span> <span class="token punctuation">{</span>
styles<span class="token punctuation">:</span> <span class="token punctuation">{</span>
backgroundColor<span class="token punctuation">:</span> <span class="token string">'#FF0000'</span><span class="token punctuation">,</span>
transform<span class="token punctuation">:</span> <span class="token string">'translate(250px, 100px)'</span><span class="token punctuation">,</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
duration<span class="token punctuation">:</span> <span class="token number">800</span><span class="token punctuation">,</span> <span class="token comment">//ms</span>
timingFunction<span class="token punctuation">:</span> <span class="token string">'ease'</span><span class="token punctuation">,</span>
needLayout<span class="token punctuation">:</span><span class="token boolean">false</span><span class="token punctuation">,</span>
delay<span class="token punctuation">:</span> <span class="token number">0</span> <span class="token comment">//ms</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token keyword">function</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
modal<span class="token punctuation">.</span><span class="token function">toast</span><span class="token punctuation">(</span><span class="token punctuation">{</span> message<span class="token punctuation">:</span> <span class="token string">'animation finished.'</span> <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
</code></pre></div><ul><li><a href="http://dotwe.org/vue/2d1b61bef061448c1a5a13eac9624410" target="_blank" rel="noopener noreferrer">示例<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul><div class="warning custom-block"><p class="custom-block-title">Android 兼容性</p><p>你有可能会遇到如下Crash <strong>Unable to create layer for xxx</strong> 如果你的含有 <code>animation</code><code>component</code> 的大小(<em>长或宽</em>)超过了最大值,因为这会使 OpenGL 内存区域发生 <code>OutOfMemory</code></p><p>你的 <code>component</code> 的允许的最大值与机器有关,但一般来说,如果你的 <code>component</code> 的大小超过屏幕大小,就有可能触发Crash。</p></div><div class="tip custom-block"><p class="custom-block-title">TIP</p><p>如果需要使用CSS动画,参考 <a href="/zh/docs/styles/common-styles.html#property">transition</a><a href="/zh/docs/styles/common-styles.html#transform">transform</a></p></div><h1 id="文档"><a href="#文档" class="header-anchor">#</a> 文档</h1><h2 id="transition"><a href="#transition" class="header-anchor">#</a> transition</h2><h4 id="transition-ref-options-callback"><a href="#transition-ref-options-callback" class="header-anchor">#</a> transition(ref, options, callback)</h4><ul><li><strong>@ref</strong>,将要执行动画的元素。例如指定动画的元素 <code>ref</code> 属性为 <code>test</code>,可以通过调用 <code>this.$refs.test</code> 来获取元素的引用。</li><li><strong>@options</strong>,动画参数
<ul><li><strong><code>styles</code></strong>,设置不同样式过渡效果的键值对,下表列出了所有合法的参数:
<ul><li>width</li><li>height</li><li>backgroundColor</li><li>opacity</li><li>transformOrigin</li><li>transform
<ul><li>translate/translateX/translateY</li><li>rotate/rotateX/rotateY</li><li>perspective</li><li>scale/scaleX/scaleY</li></ul></li></ul></li><li><strong><code>duration</code></strong><code>duration</code>(number):指定动画的持续时间 (单位是毫秒),默认值是 <code>0</code>,表示瞬间达到动画结束状态。</li><li><strong><code>delay</code></strong><code>delay</code> (number):指定请求动画操作到执行动画之间的时间间隔 (单位是毫秒),默认值是 <code>0</code>,表示没有延迟,在请求后立即执行动画。</li><li><strong><code>needLayout</code></strong><code>needLayout</code> (boolean):动画执行是否影响布局,默认值是false。</li><li><strong><code>timingFunction</code></strong><code>timingFunction</code> (string):描述动画执行的速度曲线,用于描述动画已消耗时间和动画完成进度间的映射关系。默认值是 <code>linear</code>,表示动画从开始到结束都拥有同样的速度。下表列出了所有合法的属性:
<ul><li><code>linear</code>:动画从头到尾的速度是相同的</li><li><code>ease-in</code>:动画速度由慢到快</li><li><code>ease-out</code>:动画速度由快到慢</li><li><code>ease-in-out</code>:动画先加速到达中间点后减速到达终点</li><li><code>cubic-bezier(x1, y1, x2, y2)</code>:在三次贝塞尔函数中定义变化过程,函数的参数值必须处于 0 到 1 之间。更多关于三次贝塞尔的信息请参阅 <a href="http://cubic-bezier.com/" target="_blank" rel="noopener noreferrer">cubic-bezier<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a><a href="https://en.wikipedia.org/wiki/B%C3%A9zier_curve" target="_blank" rel="noopener noreferrer">Bézier curve<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" 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></a></li></ul></li></ul></li><li><strong>@callback</strong><code>callback</code>是动画执行完毕之后的回调函数。在iOS平台上,你可以获取动画执行是否成功的信息。</li></ul><div class="tip custom-block"><p class="custom-block-title">TIP</p><ul><li>iOS上可以获取 animation 是否执行成功的信息,callback中的<code>result</code>参数会有两种,分别是是<code>Success</code><code>Fail</code></li><li>Android 的callback 函数不支持result参数。</li></ul></div><h4 id="styles中支持动画的属性"><a href="#styles中支持动画的属性" class="header-anchor">#</a> styles中支持动画的属性</h4><ul><li><strong><code>width</code></strong><code>width</code>表示动画执行后应用到组件上的宽度值。如果你需要影响布局,设置<code>needLayout</code><code>true</code>。默认值为<code>computed width</code></li><li><strong><code>height</code></strong><code>height</code>表示动画执行后应用到组件上的高度值。如果你需要影响布局,设置设置为 <code>needLayout</code><code>true</code>。默认值为<code>computed width</code></li><li><strong><code>backgroundColor</code></strong><code>backgroundColor</code>动画执行后应用到组件上的背景颜色,默认值为computed backgroundColor。</li><li><strong><code>opacity</code></strong><code>opacity</code>表示动画执行后应用到组件上的不透明度值,默认值为computed opacity。</li><li><strong><code>transformOrigin</code></strong><code>transformOrigin</code>定义变化过程的中心点,如<code>transformOrigin: x-axis y-axis</code> 参数 <code>x-axis</code> 可能的值为 <code>left</code><code>center</code><code>right</code>、长度值或百分比值,参数 <code>y-axis</code> 可能的值为 <code>top</code><code>center</code><code>bottom</code>、长度值或百分比。默认值为<code>center center</code></li><li><strong><code>transform</code></strong><code>transform</code>变换类型,可能包含rotate<code></code>translate<code></code>scale`及其他属性。默认值为空。
<ul><li><code>translate</code>/<code>translateX</code>/<code>translateY</code>指定元素要移动到的位置。单位是长度或百分比,默认值是0.</li><li><code>rotate</code>/<code>rotateX</code>/<code>rotateY</code><strong>v0.16+</strong> 指定元素将被旋转的角度。单位是度 <em>角度度</em>,默认值是0</li><li><code>scale</code>/<code>scaleX</code>/<code>scaleY</code>按比例放大或缩小元素。单位是数字,默认值是1</li><li><code>perspective</code><strong>v0.16+</strong> 观察者距离z=0平面的距离,在<strong>Android 4.1</strong>及以上有效。单位值数字,默认值为正无穷。</li></ul></li></ul></div><div class="page-nav"><p class="inner"><span class="prev">
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