<template><div class="pdf-wrap" id="pdfWrap"> <button v-on:click="getPdf">點擊下載PDF</button> <div class="pdf-dom" id="pdfDom"></div></div></template><style lang="scss" scoped></style><script type="text/ecmascript-6"> import html2Canvas from '@/components/html2canvas.js' import JsPDF from '@/components/jsPdf.debug.js' export default {  methods: {   getPdf: function () {    let _this = this    let pdfDom = document.querySelector('#pdfDom')    html2Canvas(pdfDom, {     onrendered: function(canvas) {      let contentWidth = canvas.width      let contentHeight = canvas.height      let pageHeight = contentWidth / 592.28 * 841.89      let leftHeight = contentHeight      let position = 0      let imgWidth = 595.28      let imgHeight = 592.28 / contentWidth * contentHeight      let pageData = canvas.toDataURL('image/jpeg', 1.0)      let PDF = new JsPDF('', 'pt', 'a4')      if (leftHeight < pageHeight) {       PDF.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight)      } else {       while (leftHeight > 0) {        PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight)        leftHeight -= pageHeight        position -= 841.89        if (leftHeight > 0) {         PDF.addPage()        }       }      }      PDF.save(_this.pdfData.title + '.pdf')     }    })    html2Canvas()   },  } }</script>

html2canvas.js'

jsPdf.debug.js