使用vue构建一个简单实用的春节红包插件！

摘要：本文将介绍如何使用Vue.js构建一个简单实用的春节红包插件。该插件通过模拟红包的打开和关闭过程，以及金额的随机分配，为春节红包活动提供了一个有趣且互动的体验。

一、引言

在春节这个充满欢乐和祝福的时刻，红包成为了传递喜悦和祝福的重要载体，随着移动应用的普及，春节红包活动已经成为一种流行的互动方式。然而，现有的红包插件往往功能复杂，难以定制。为了解决这个问题，我们开发了一个简单实用的春节红包插件，源码简单，可根据需求自己随意定制，可以给用户带来更加有趣和互动的红包体验。

二、插件设计

组件设计

我们的红包插件主要由两部分组成：一个显示红包金额的组件和一个模拟开红包过程的按钮。金额显示组件采用cc-packet组件，它可以接收一个表示金额的字符串，并根据该金额显示相应的红包样式。开红包按钮则用于触发红包的打开过程。

数据设计

为了实现红包的随机金额分配，我们使用了Vue.js的数据绑定功能。在data函数中，我们定义了两个数据属性：moneyStr和isShow。moneyStr用于存储随机生成的金额，isShow则表示红包是否正在展示。在开红包按钮被点击时，moneyStr被设置为一个随机数，isShow被设置为true，表示红包正在展示。

事件设计

我们的插件支持两个事件：close和change。close事件在红包关闭时触发，用于将isShow设置为false，隐藏红包。change事件在开红包时触发，用于打印出当前的红包金额。

三、使用和定制

由于我们的插件源码简单，使用者可以根据自己的需求进行定制。例如，可以修改moneyStr的计算方式，以实现不同的红包金额分配策略；也可以修改插件的样式，以适应不同的应用场景。此外，我们还将提供详细的文档和示例代码，帮助使用者更好地理解和使用这个插件。

插件使用方法：

<template><view class="content"><!-- money：红包金额show：组件显示隐藏布尔值true/false@close：关闭组件回调@change：开红包回调 --><cc-packet :money="moneyStr" :show="isShow" @close="close" @change="checkResult"></cc-packet><button style="margin-top: 80px;" @click="openRedClick"> 打开红包 </button></view></template><script>import ccPacket from '@/components/cc-packet/cc-packet.vue'export default {components: {ccPacket},data() {return {moneyStr: '',isShow: false,}},onLoad() {},methods: {// 打开红包openRedClick() {this.isShow = true;this.moneyStr = (Math.random() * 10).toFixed(2);},// 关闭红包close() {this.isShow = false;},checkResult(e) {console.log("红包金额 = " + e);}}}</script><style>.content {display: flex;flex-direction: column;align-items: center;justify-content: center;}</style>

插件源码：

<template><view v-if="show" class="red-packet"><view class="red-packet-layout" :class="open ? 'red-packet-open' : '' "><view class="red-packet-up" /><view class="red-packet-middle" /><view class="red-packet-content"><view class="red-packet-tip"><view class="receive-success"><view>恭喜您获得了</view><view><text>{{money + ''}}</text>元</view></view></view></view><view class="red-packet-top"><text>红包来啦</text></view><view v-if="!open" class="open-btn" @click="openClick">開</view><view class="red-packet-bottom"> <text @click="GetClose" v-if="open" class="close">x</text></view><view class="red-packet-left" /><view class="red-packet-right" /><view class="red-money red-money-left1" /><view class="red-money red-money-left2" /><view class="red-money red-money-left3" /><view class="red-money red-money-left4" /><view class="red-money red-money-middle1" /><view class="red-money red-money-middle2" /><view class="red-money red-money-middle3" /><view class="red-money red-money-middle4" /><view class="red-money red-money-right1" /><view class="red-money red-money-right2" /><view class="red-money red-money-right3" /><view class="red-money red-money-right4" /></view></view></template><script>export default {props: {//显示/隐藏show: {type: Boolean,default: false},// 金额money: {type: [Number, String],default: '8.88',required: true},},data() {return {open: false, //状态
};},methods: {//打开红包openClick() {this.open = true;this.$emit('change', this.money);},// 关闭红包组件GetClose() {this.open = false;this.$emit('close', false);}}}</script><style lang="scss">@keyframes open-top {0% {transform: rotateX(0);}100% {transform: rotateX(90deg);}}@keyframes open-up {0% {transform: rotateX(-90deg);}100% {transform: rotateX(0);}}/*红包布局*/.red-packet {position: fixed;top: 0;left: 0;display: flex;flex-direction: row;justify-content: center;align-items: center;width: 100vw;height: 100vh;z-index: 1000;background: rgba(0, 0, 0, 0.60);.red-packet-layout {position: relative;.red-packet-open {.red-packet-up {animation: open-up 0.2s ease-in-out 0.2s 1 normal;animation-fill-mode: forwards;}}.red-packet-middle {background-color: rgb(209, 64, 64);background-size: 490rpx 462rpx;border-bottom-left-radius: 20rpx;border-bottom-right-radius: 20rpx;width: 490rpx;height: 462rpx;}.red-packet-content {background-image: url('https://pic.imgdb.cn/item/63101bd416f2c2beb1200613.png');background-size: 422rpx 428rpx;width: 422rpx;height: 428rpx;position: absolute;top: 84rpx;left: 34rpx;display: flex;flex-direction: column;justify-content: center;align-items: center;}}.red-packet-up {border-top-left-radius: 250rpx;border-top-right-radius: 250rpx;background-color: rgb(209, 64, 64);background-size: 490rpx 82rpx;width: 490rpx;height: 82rpx;transform: rotateX(-90deg);transform-origin: 50% 100%;}}.red-packet .red-packet-layout.red-packet-open .red-packet-content {top: -40rpx;transition: top 0.2s ease-in-out 0.2s;}/*打开前头部图*/.red-packet .red-packet-layout .red-packet-top {position: relative;display: flex;justify-content: center;align-items: center;font-size: 40rpx;font-weight: bold;color: #fde292;background-size: 490rpx 400rpx;width: 490rpx;height: 400rpx;position: absolute;top: -55rpx;left: 0;z-index: 101;border-top-left-radius: 20rpx;border-top-right-radius: 20rpx;background: linear-gradient(rgb(220, 72, 42), rgb(229, 38, 38));}.close {position: absolute;text-align: center;color: #fff;left: 222rpx;bottom: -100rpx;width: 60rpx;height: 60rpx;line-height: 50rpx;border-radius: 50rpx;border: 2rpx solid #fff;}/*打开按钮*/.open-btn {display: flex;position: absolute;justify-content: center;align-items: center;color: rgb(233, 25, 25);font-size: 40rpx;top: 300rpx;left: 190rpx;width: 100rpx;height: 100rpx;z-index: 104;border: 10rpx solid rgb(228, 165, 48);border-radius: 50%;background-color: rgb(226, 226, 34);}.red-packet .red-packet-layout.red-packet-open .red-packet-top {transform-origin: 0 200rpx;animation: open-top 0.2s ease-in-out 0s 1 normal;animation-fill-mode: forwards;}/*打开前底部图片*/.red-packet .red-packet-layout .red-packet-bottom {background-image: url('https://pic.imgdb.cn/item/63101c9516f2c2beb1206ae6.png');background-size: 490rpx 264rpx;width: 490rpx;height: 264rpx;position: absolute;top: 278rpx;left: 0;z-index: 103;}/*小元宝*/.red-packet .red-packet-layout .red-money {position: absolute;background-image: url("https://pic.imgdb.cn/item/64bdd5dd1ddac507cc18e45b.png");visibility: visible;transition-property: top;transition-duration: 1s;transition-timing-function: ease-in-out;top: 0;}.red-packet .red-packet-layout .red-money.red-money-left1 {background-size: 44rpx 32rpx;width: 44rpx;height: 32rpx;left: 20rpx;transform: rotate(10deg);transition-delay: 0.1s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-left1 {top: 280rpx;}.red-packet .red-packet-layout .red-money.red-money-left2 {background-size: 33rpx 24rpx;width: 33rpx;height: 24rpx;left: 5rpx;transform: rotate(20deg);transition-delay: 0.2s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-left2 {top: 260rpx;}.red-packet .red-packet-layout .red-money.red-money-left3 {background-size: 33rpx 24rpx;width: 33rpx;height: 24rpx;left: 60rpx;transform: rotate(5deg);transition-delay: 0.1s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-left3 {top: 300rpx;}.red-packet .red-packet-layout .red-money.red-money-left4 {background-size: 33rpx 24rpx;width: 33rpx;height: 24rpx;left: 90rpx;transform: rotate(5deg);transition-delay: 0.3s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-left4 {top: 320rpx;}.red-packet .red-packet-layout .red-money.red-money-middle1 {background-size: 90rpx 64rpx;width: 90rpx;height: 64rpx;transition-delay: 0.2s;left: 200rpx;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-middle1 {top: 320rpx;}.red-packet .red-packet-layout .red-money.red-money-middle2 {background-size: 67rpx 48rpx;width: 67rpx;height: 48rpx;left: 160rpx;transition-delay: 0.3s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-middle2 {top: 322rpx;}.red-packet .red-packet-layout .red-money.red-money-middle3 {background-size: 56rpx 40rpx;width: 56rpx;height: 40rpx;left: 120rpx;transform: rotate(10deg);transition-delay: 0.1s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-middle3 {top: 322rpx;}.red-packet .red-packet-layout .red-money.red-money-middle4 {background-size: 56rpx 40rpx;width: 56rpx;height: 40rpx;left: 270rpx;transition-delay: 0.4s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-middle4 {top: 322rpx;}.red-packet .red-packet-layout .red-money.red-money-right1 {background-size: 56rpx 40rpx;width: 56rpx;height: 40rpx;right: 50rpx;transform: rotate(-30deg);transition-delay: 0.2s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-right1 {top: 300rpx;}.red-packet .red-packet-layout .red-money.red-money-right2 {background-size: 33rpx 24rpx;width: 33rpx;height: 24rpx;right: 26rpx;transform: rotate(-10deg);transition-delay: 0.3s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-right2 {top: 280rpx;}.red-packet .red-packet-layout .red-money.red-money-right3 {background-size: 33rpx 24rpx;width: 33rpx;height: 24rpx;right: 0;transition-delay: 0.1s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-right3 {top: 260rpx;}.red-packet .red-packet-layout .red-money.red-money-right4 {background-size: 44rpx 32rpx;width: 44rpx;height: 32rpx;right: 96rpx;transition-delay: 0.2s;}.red-packet .red-packet-layout.red-packet-open .red-money.red-money-right4 {top: 280rpx;}/*红包*/.red-packet .red-packet-layout .red-packet-content .red-packet-tip {font-size: 30rpx;display: flex;justify-content: center;align-items: center;}.red-packet .red-packet-layout .red-packet-content .red-packet-tip .receive-success {font-size: 35rpx;line-height: 100rpx;text-align: center;}.red-packet .red-packet-layout .red-packet-content .red-packet-tip .receive-success text {color: red;margin-right: 10rpx;font-size: 60rpx;}</style>