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242 lines
10 KiB
242 lines
10 KiB
# c-svga
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###
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- c-svga svga动画
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### c-design交流群号：330647926
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### 示例预览
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[https://cloud.vuedata.wang/cdesign/#/pages/svga/svga](https://cloud.vuedata.wang/cdesign/#/pages/svga/svga)
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####
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### 一、使用示例
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#### vue2/vue3
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```html
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<template>
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<view class="page">
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<c-svga ref="cSvgaRef" :canvasId='canvasId'
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:src="src"
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:loops='0' :auto-play="true" @frame='onFrame' @finished='onFinished' @percentage='onPercentage' @loaded='onLoaded'></c-svga>
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<view class="content">
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<view>切换图像</view>
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<view class="btnBox">
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<button @click="src='https://mp-eeab6da6-80cd-4e80-844a-66b2a7203834.cdn.bspapp.com/cloudstorage/b3875bda-8de0-476d-8f55-d10b24f16d98.svg'" size="mini">小汽车</button>
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<button @click="src='https://mp-eeab6da6-80cd-4e80-844a-66b2a7203834.cdn.bspapp.com/cloudstorage/eebed809-b03e-4b90-88f8-5d6811b65f86.svg'" size="mini">玫瑰花</button>
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</view>
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<view>播放暂停</view>
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<view class="btnBox">
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<button @click="$refs.cSvgaRef.call('startAnimation')" size="mini">播放</button>
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<button @click="$refs.cSvgaRef.call('startAnimation',true)" size="mini">反向播放</button>
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<button @click="$refs.cSvgaRef.call('pauseAnimation')" size="mini">暂停播放</button>
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<button @click="$refs.cSvgaRef.call('stopAnimation')" size="mini">停止播放</button>
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</view>
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<view>设置动画的拉伸模式</view>
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<view class="btnBox">
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<button @click="$refs.cSvgaRef.call('setContentMode','Fill')" size="mini">Fill</button>
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<button @click="$refs.cSvgaRef.call('setContentMode','AspectFill')" size="mini">AspectFill</button>
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<button @click="$refs.cSvgaRef.call('setContentMode','AspectFit')" size="mini">AspectFit</button>
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</view>
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<view>强制清空画布</view>
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<view class="btnBox">
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<button @click="$refs.cSvgaRef.call('clear')" size="mini">清空画布</button>
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</view>
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<view>跳到指定帧/百分比</view>
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<view class="btnBox">
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<button @click="$refs.cSvgaRef.call('stepToFrame',[40,true])" size="mini">跳到40帧</button>
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<button @click="$refs.cSvgaRef.call('stepToPercentage',[60,true])" size="mini">跳到60%</button>
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</view>
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<view>设定动态图像/动态文本</view>
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<view class="btnBox">
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<button @click="$refs.cSvgaRef.call('setImage',['/static/index/logo.png','06'])" size="mini">动态图像</button>
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<button @click="$refs.cSvgaRef.call('setText',[{text:'Hello, World!'},'08'])" size="mini">动态文本</button>
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<button @click="$refs.cSvgaRef.call('clearDynamicObjects')" size="mini">清空动态图像和文本</button>
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</view>
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</view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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canvasId:'myCanvas',
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src:'https://mp-eeab6da6-80cd-4e80-844a-66b2a7203834.cdn.bspapp.com/cloudstorage/b3875bda-8de0-476d-8f55-d10b24f16d98.svg'
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}
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},
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methods: {
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onFinished() {
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console.log('动画停止播放时回调');
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},
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onFrame(frame){//动画播放至某帧后回调
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// console.log(frame);
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},
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onPercentage(percentage){ //动画播放至某进度后回调
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// console.log(percentage);
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},
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onLoaded(){
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console.log('加载完成');
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}
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},
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}
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</script>
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<style lang="scss">
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.page{
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width: 100vw;
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overflow-x: hidden;
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}
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.content{
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padding: 20rpx;
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font-size: 28rpx;
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}
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.btnBox{
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width: 100%;
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display: flex;align-items: center;
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margin-top: 20rpx;
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margin-bottom: 30rpx;
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}
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</style>
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```
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#### vue3
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```html
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<template>
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<view class="page">
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<c-svga ref="cSvgaRef" :canvasId='canvasId'
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:src="src"
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:loops='0' :auto-play="true" @frame='onFrame' @finished='onFinished' @percentage='onPercentage' @loaded='onLoaded'></c-svga>
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<view class="content">
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<view>切换图像</view>
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<view class="btnBox">
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<button @click="src='https://mp-eeab6da6-80cd-4e80-844a-66b2a7203834.cdn.bspapp.com/cloudstorage/b3875bda-8de0-476d-8f55-d10b24f16d98.svg'" size="mini">小汽车</button>
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<button @click="src='https://mp-eeab6da6-80cd-4e80-844a-66b2a7203834.cdn.bspapp.com/cloudstorage/eebed809-b03e-4b90-88f8-5d6811b65f86.svg'" size="mini">玫瑰花</button>
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</view>
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<view>播放暂停</view>
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<view class="btnBox">
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<button @click="cSvgaRef.call('startAnimation')" size="mini">播放</button>
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<button @click="cSvgaRef.call('startAnimation',true)" size="mini">反向播放</button>
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<button @click="cSvgaRef.call('pauseAnimation')" size="mini">暂停播放</button>
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<button @click="cSvgaRef.call('stopAnimation')" size="mini">停止播放</button>
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</view>
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<view>设置动画的拉伸模式</view>
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<view class="btnBox">
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<button @click="cSvgaRef.call('setContentMode','Fill')" size="mini">Fill</button>
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<button @click="cSvgaRef.call('setContentMode','AspectFill')" size="mini">AspectFill</button>
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<button @click="cSvgaRef.call('setContentMode','AspectFit')" size="mini">AspectFit</button>
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</view>
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<view>强制清空画布</view>
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<view class="btnBox">
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<button @click="cSvgaRef.call('clear')" size="mini">清空画布</button>
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</view>
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<view>跳到指定帧/百分比</view>
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<view class="btnBox">
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<button @click="cSvgaRef.call('stepToFrame',[40,true])" size="mini">跳到40帧</button>
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<button @click="cSvgaRef.call('stepToPercentage',[60,true])" size="mini">跳到60%</button>
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</view>
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<view>设定动态图像/动态文本</view>
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<view class="btnBox">
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<button @click="cSvgaRef.call('setImage',['/static/index/logo.png','06'])" size="mini">动态图像</button>
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<button @click="cSvgaRef.call('setText',[{text:'Hello, World!'},'08'])" size="mini">动态文本</button>
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<button @click="cSvgaRef.call('clearDynamicObjects')" size="mini">清空动态图像和文本</button>
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</view>
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</view>
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</view>
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</template>
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<script setup>
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import { ref } from "vue";
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const cSvgaRef = ref(),canvasId='myCanvas'
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let src = ref('https://mp-eeab6da6-80cd-4e80-844a-66b2a7203834.cdn.bspapp.com/cloudstorage/b3875bda-8de0-476d-8f55-d10b24f16d98.svg')
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const onFinished=()=>{
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console.log('动画停止播放时回调');
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}
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const onFrame=(frame)=>{//动画播放至某帧后回调
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// console.log(frame);
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}
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const onPercentage=(percentage)=>{ //动画播放至某进度后回调
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// console.log(percentage);
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}
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const onLoaded=()=>{
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console.log('加载完成');
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}
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</script>
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<style lang="scss">
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.page{
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width: 100vw;
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overflow-x: hidden;
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}
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.content{
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padding: 20rpx;
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font-size: 28rpx;
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}
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.btnBox{
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width: 100%;
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display: flex;align-items: center;
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margin-top: 20rpx;
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margin-bottom: 30rpx;
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}
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</style>
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```
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### 二、Props
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| 字段 | 类型 | 必填 | 默认值 | 描述 |
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| ----------- | -------- | ---- | ----------------------| -------------------------------
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| canvasId | String | 否| 'c'+uuid(18) | canvasId 画布id 可不填此项 |
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| width | String | 否| 750rpx | 图像宽度 单位rpx/px |
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| height | String | 否| 750rpx | 图像高度 单位rpx/px |
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| src | String | 是| | svga文件地址 |
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| autoPlay | Boolean | 否| true | 是否自动播放 |
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| loops | Number | 否| 0 | 动画循环次数 |
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| clearsAfterStop | Boolean | 否| true | 当动画结束时，是否清空画布 |
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| fillMode | String | 否|Forward | 默认值为 Forward，可选值 Forward / Backward，当 clearsAfterStop 为 false 时，Forward 表示动画会在结束后停留在最后一帧，Backward 则会在动画结束后停留在第一帧。|
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| isOnChange | Boolean | 否|false |false时不触发Frame Percentage监听 |
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### 三、Event
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| 字段 | 描述 |
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| --------- | ------------------------ |
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| loaded | 监听svga文件加载完成 |
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| finished | 监听动画停止播放 loop!=0时生效 |
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| frame | 监听动画播放至某帧 isOnChange=true时生效 |
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| percentage | 监听动画播放至某进度 isOnChange=true时生效 |
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### 四、Methods
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#### 组件内方法统一使用 call(funName, args) 调用
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```js
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this.$refs.cSvgaRef.call('startAnimation')
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//or
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const cSvgaRef = ref()
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cSvgaRef.value.call('startAnimation')
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```
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#### funName args入参为array类型 单个参数可传入string类型
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* constructor (canvas); - 传入 #id 或者 CanvasHTMLElement 至第一个参数
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* startAnimation(reverse: boolean = false); - 从第 0 帧开始播放动画
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* startAnimationWithRange(range: {location: number, length: number}, reverse: boolean = false); - 播放 [location, location+length] 指定区间帧动画
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* pauseAnimation(); - 暂停在当前帧
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* stopAnimation(); - 停止播放动画，如果 clearsAfterStop === true，将会清空画布
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* setContentMode(mode: "Fill" | "AspectFill" | "AspectFit"); - 设置动画的拉伸模式
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* setClipsToBounds(clipsToBounds: boolean); - 如果超出盒子边界，将会进行裁剪
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* clear(); - 强制清空画布
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* stepToFrame(frame: int, andPlay: Boolean); - 跳到指定帧，如果 andPlay === true，则在指定帧开始播放动画
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* stepToPercentage(percentage: float, andPlay: Boolean); - 跳到指定百分比，如果 andPlay === true，则在指定百分比开始播放动画
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* setImage(image: string, forKey: string, transform: [a, b, c, d, tx, ty]); - 设定动态图像, transform 是可选的, transform 用于变换替换图片
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* setText(text: string | {text: string, family: string, size: string, color: string, offset: {x: float, y: float}}, forKey: string); - 设定动态文本
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* clearDynamicObjects(); - 清空所有动态图像和文本
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### 微信小程序端加载本地svga文件需要将文件后缀名调整为svg
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### 暂不支持nvue nvue请使用性能更好的原生插件
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### 注意：由于Hbuilderx上传插件无法上传node_odules依赖 导入插件后进入插件目录/uni_modules/c-svga 使用npm i 进行依赖安装 |