第一个.将页面html转换成图片 npm install --save html2canvas
第二个.将图片生成pdf npm install jspdf --save
官方文档 http://html2canvas.hertzen.com/
// 导出页面为PDF格式 import html2Canvas from 'html2canvas' import JsPDF from 'jspdf' export default{ install (Vue) { Vue.prototype.getPdf = function () { var title = this.htmlTitle html2Canvas(document.querySelector('#pdfDom'), { useCORS: true, //如果有图片跨域CORS策略 就是加上 scale:1.3 //如果得到PDF模糊可以设成1.3,或2 这样文件大小对应也会变大 }).then(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(title + '.pdf') } ) } } }
标签:jspdf,canvas,vue,html2canvas,let,PDF,leftHeight,pdf From: https://www.cnblogs.com/pcuyer/p/16600883.html