uniapp实现红包动画效果（vue3）-Toy模板网

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效果演示

uniapp动画效果,uniapp,vue,小程序,uni-app,小程序,css3,vue.js,前端,Powered by 金山文档

首先安装CSS动画库animate.css依赖

yarn add animate.css

打开main.ts文件引入

import 'animate.css'

这两张图片放入static文件夹下

用到的图片red1.png

用到的图片red2.png

红包整体主要分三部分红包头部中部底部

<template>
    <view>
        <button @tap="red = true">显示红包</button>
    </view>
    <!-- 红包特效遮罩层 -->
    <view v-show="red" class="cover">
        <!-- 红包整体 -->
        <view class="redBig animate__animated animate__bounceIn" :key="redIndex">
            <!-- 头部 -->
            <view :animation="redHead" class="redBigHead">
                <image @tap="redHeadAnimation" class="" src="/static/red1.png" mode=""></image>
            </view>
            <!-- 中间 -->
            <view :animation="redMid" class="redBigMid">
                <view class="text1">
                    恭喜您获得了
                </view>
                <view class="text2">
                    100.00
                </view>
                <view class="text3">
                    红包余额可去钱包查询
                </view>
            </view>
            <!-- 底部 -->
            <view class="redBigBottom">
                <!-- 打开红包后展示 -->
                <view @tap="redBagAnimationRenew" v-show="redBottom" class="button animate__animated animate__bounceIn">
                    开心收下
                </view>
            </view>
        </view>
    </view>
</template>

使用uni.createAnimation()创建动画实例并进行相关操作具体查看官方文档

<script setup lang="ts">
    import {
        ref,
        getCurrentInstance
    } from 'vue'
    import {
        onShow
    } from '@dcloudio/uni-app'
    const {
        proxy
    } = getCurrentInstance() as any
    //红包动画
    let red = ref(false) //红包显示 
    let redIndex = ref(0) //红包组件刷新
    onShow(() => {
        let animation = uni.createAnimation()
        proxy.animation = animation
    })


    //头部动画
    let redHead = ref({})

    function redHeadAnimation() {
        proxy.animation.translateY(-300).opacity(0).step({
            duration: 500,
            timingFunction: 'ease-in-out',
        })
        redHead.value = proxy.animation.export()
        redBottom.value = true
        setTimeout(() => {
            redMidAnimation()
        }, 300)
    }
    //中部动画
    let redMid = ref({})

    function redMidAnimation() {
        proxy.animation.translateY(-120).opacity(1).step({
            duration: 500,
            timingFunction: 'ease-in-out',
        })
        redMid.value = proxy.animation.export()
    }
    //红包底部按钮显示
    let redBottom = ref(false)
    //重置红包
    function redBagAnimationRenew() {
        red.value = false
        redBottom.value = false
        redHead.value = {}
        redMid.value = {}
        redIndex.value++
    }
</script>

除了红包底部头部和中部需要定位文章来源地址https://www.toymoban.com/news/detail-519003.html

<style lang="scss">
    .cover {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        right: 0;
        background: rgba(000, 000, 000, 0.5);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .redBig {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .redBigHead {
        position: absolute;
        z-index: 2;

        image {
            width: 550rpx;
            height: 440rpx;
        }
    }

    .redBigMid {
        width: 508rpx;
        height: 350rpx;
        background-color: #fff;
        border-radius: 24rpx;
        display: flex;
        flex-direction: column;
        align-items: center;
        color: #FF4545;
        position: absolute;
        z-index: 0;
        margin-top: 260rpx;
        opacity: 0;

        .text1 {
            margin-top: 20rpx;
            font-size: 32rpx;
        }

        .text2 {
            margin-top: 30rpx;
            font-size: 70rpx;
        }

        .text3 {
            margin-top: 30rpx;
        }
    }

    .redBigBottom {
        width: 550rpx;
        height: 331rpx;
        background-image: url('../../static/red2.png');
        background-size: 100% 100%;
        margin-top: 280rpx;
        z-index: 1;

        .button {
            background: linear-gradient(to bottom, #FEE3AD 50%, #FEB05C);
            color: #BC0D0D;
            margin-left: 84rpx;
            margin-right: 84rpx;
            padding-top: 30rpx;
            padding-bottom: 30rpx;
            border-radius: 100rpx;
            text-align: center;
            margin-top: 150rpx;
        }
    }
</style>

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