vue3+ts 分享海报

安装依赖1. npm install html2canvas --save

<div class="flex-box"><div><div v-for="(item,index ) in  from.list" :key="index" @click="actvieFuntion(index)"><div>{{item}}</div><div :class="from.activeIndex == index?'box':'box-1'"></div></div></div><div class="left"><div class="">模板-{{from.activeIndex+1}}</div><div class="border-mo" ><div id="CodeImgBase64"><div class="b-p-i"><div class="bg"><div class="tutle"><div class="text">iQOO 11S 16GB+1TB 传奇版超算独显芯片|2K 144Hz E6 全感屏|第二代骁龙8|200W 超快闪充|索尼定制 VCS IMX866</div></div><div class="to-moeny"><span class="c-o">￥</span><span>8999.00</span><span class="y-m">原价9999.00</span></div><div class="img-w-h"><img src=".././../../static/code.png" alt=""></div></div></div></div></div><div class="b-l"><el-button type="primary" @click="createPoster">下载海报</el-button></div></div>
</div>

<script lang="ts" setup>import html2canvas from "html2canvas"import {ref,reactive} from 'vue'const dialogVisible = ref(true)var from = reactive({list: ['模板1', '模板2', '模板3'],activeIndex: 0,posterImg: '',})const actvieFuntion = (num: any) => {from.activeIndex = num}const createPoster = ()=> {// 生成海报const domObj = document.getElementById("CodeImgBase64")//显示海报html2canvas(domObj, {useCORS: true,allowTaint: false,logging: false,letterRendering: true,onclone(doc:any) {let e = doc.querySelector("#CodeImgBase64");e.style.display = "block";console.log(doc)}}).then((canvas:any)=> {// 在微信里,可长按保存或转发var a = canvas.toDataURL("image/png");console.log(a)});}
</script>

<style scoped lang="scss">.dialog-footer button:first-child {margin-right: 10px;}.flex-box {display: flex;.box {width: 200px;height: 300px;border-radius: 10px;border: 3px solid #00aa00;}.box-1 {width: 200px;height: 300px;border-radius: 10px;border: 3px solid #aaaaaa;}.left {margin-left: 100px;.border-mo {width: 400px;height: 600px;border: 3px solid #aaaaaa;border-radius: 10px;}.b-l {width: 400px;text-align: center;margin-top: 30px;}}#CodeImgBase64{width: 400px;height: 600px;background-color: #ffffff;border-radius: 10px;}.b-p-i{width: 350px;height: 550px;background-color: #dcdcdc;margin: auto;border-radius: 10px;position: relative;top: 10px;}.bg{background-image: url('../../../static/phone.png');background-repeat: no-repeat;width: 350px;height: 400px;background-size: cover;margin: auto;border-radius: 10px;.tutle{position: relative;top: 328px;background: rgba(#000, 0.4);margin: auto;color: #fff;border-radius: 0px 0px 10px 10px;.text{width: 340px;margin: auto;font-size: 13px;}}.to-moeny{position: relative;top: 338px;left: 20px;font-size: 20px;font-weight: bold;color:red;.c-o{font-size: 12px;color:red;margin-right: 2px;}}.y-m{font-size: 10px;margin-left: 5px;color: #aaaaaa;text-decoration: line-through;font-weight: 400;}.img-w-h{position: relative;top: 358px;width: 70px;margin: auto;img{width: 70px;height: 70px;}}}}
</style>