需求:長按頁面保存到手機html
實現方式:npm
將頁面保存爲圖片,而後再當前頁面實際上展現的是一張圖片,canvas
利用移動端自帶的功能(長按圖片能夠保存到手機)來實現這個需求this
代碼:spa
一、使用 html2canvascode
npm install html2canvas -dhtm
二、blog
<template> <div> <div id="captureId" v-show="firstFlag"> <div> <div class="wrap"> <div> <span class="star-title">爸氣指數:</span> </div> <span class="text">掃碼測一測你的父親節爸氣指數</span> </div> </div> </div> <img class="show-img" :src="dataURL" alt="" v-show="!firstFlag"> </div> </template> <script> import html2canvas from 'html2canvas' export default { data () { return { firstFlag: true, dataURL:'' } }, methods: { toImg () { html2canvas(document.querySelector('#captureId')).then(canvas => { let imgUrl = canvas.toDataURL('image/png'); that.dataURL = imgUrl; that.firstFlag = false; }).catch(error => { }) }, }, created () { this.imgSRC = window.location.href this.firstFlag = true }, mounted() { const that = this that.$nextTick(function(){ that.toImg() }) } } </script>