js/vue 使用canvas将div转成图片，html2canvas

安装

npm install --save html2canvas

引入

import html2canvas from "html2canvas"

导出

drawImage(){
        var that = this
          //获取div的id
          var shareContent = document.getElementById('imgDiv')
          var canvas = document.createElement('canvas')
          var dataUrl = html2canvas(shareContent).then(function (canvas) {
                that.src = canvas.toDataURL('image/png', 1.0)
                return canvas.toDataURL('image/png', 1.0)
          })
          console.log(dataUrl)
},