序列帧图片:https://lk-webfont.oss-cn-beijing.aliyuncs.com/web/play-qx/LKW/识别动效61张600\*600.png
这个链接有元素的宽高+张数
vue项目
动画组件 test.vue
<template>
<div class="frame_wrap" :style="{'--width': width+'px','--height': height+'px','--count': count, '--duration': duration+'s', '--bgSize': bgSize+'px', '--bgSize1': -bgSize+'px' }"> </div>
</template>
<script lang="ts" setup>
import { computed } from 'vue'
const props:any = defineProps({
count: {
type: Number,
vlaue: 0
},
width: {
type: Number,
value: 0
},
height: {
type: Number,
value: 0
},
duration: {
type: Number,
value: 0
}
})
const bgSize = computed(() => props.width * props.count)
</script>
<style lang="scss">
.frame_wrap {
width: var(--width);
height: var(--height);
position: absolute;
background: pink;
-webkit-animation: frames var(--duration) steps(var(--count)) infinite;
animation: frames var(--duration) steps(var(--count)) infinite;
background-position: 0 0;
background-size: var(--bgSize) var(--height);
background-repeat: no-repeat;
background-image: url(https://lk-webfont.oss-cn-beijing.aliyuncs.com/web/play-qx/LKW/%E8%AF%86%E5%88%AB%E5%8A%A8%E6%95%8861%E5%BC%A0600*600.png);
}
@keyframes frames {
from {
background-position-x: 0;
}
to {
background-position-x: var(--bgSize1);
}
}
@-webkit-keyframes frames {
from {
background-position-x: 0;
}
to {
background-position-x: var(--bgSize1);
}
}
</style>
父组件调用:
<test :width="300" :height="300" :count="61" :duration="6"></test>
微信小程序开发
子组件:
子组件:
wxml:
<view class="frame_wrap" style="background-image: url({{url}});--width:{{width}}rpx;--height:{{height}}rpx;--count:{{count}};--duration:{{duration}};"></view>
js:
Component({
properties: {
url: {
type: String,
value: ""
},
count: {
type: String,
value: 3
},
width:{
type:String,
value:360
},
height:{
type:String,
value:300
},
duration:{
type: String,
value: 0.3
},
},
data: {
},
methods: {
}
})
wxss:
.frame_wrap {
width: var(--width);
height: var(--height);
animation: frames calc(var(--duration) * 1s) steps(var(--count)) infinite;
background-position: 0 0;
background-size: calc(var(--width) * var(--count)) var(--height);
}
@keyframes frames {
from {
background-position-x: 0;
}
to {
background-position-x: calc(var(--width) *-1 *var(--count));
}
}
父组件调用:
<css-animation wx:if="{{hasUnreadMsg == false}}" class="animation-qi" width="300" height="300" count="61" duration="6"
url="https://lk-webfont.oss-cn-beijing.aliyuncs.com/web/play-qx/LKW/%E8%AF%86%E5%88%AB%E5%8A%A8%E6%95%8861%E5%BC%A0600*600.png"></css-animation>