37 lines
994 B
JavaScript
37 lines
994 B
JavaScript
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// 导出页面为PDF格式
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import html2Canvas from 'html2canvas'
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import JsPDF from 'jspdf'
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export default{
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install (Vue, options) {
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Vue.prototype.getPdf = function () {
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var title = this.htmlTitle
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html2Canvas(document.querySelector('#pdfDom'), {
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allowTaint: true
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}).then(function (canvas) {
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let contentWidth = canvas.width
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let contentHeight = canvas.height
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let pageHeight = contentWidth / 592.28 * 841.89
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let leftHeight = contentHeight
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let position = 0
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let imgWidth = 595.28
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let imgHeight = 592.28 / contentWidth * contentHeight
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let pageData = canvas.toDataURL('image/jpeg', 1.0)
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let PDF = new JsPDF('', 'pt', 'a4')
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if (leftHeight < pageHeight) {
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PDF.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight)
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} else {
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while (leftHeight > 0) {
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PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight)
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leftHeight -= pageHeight
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position -= 841.89
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if (leftHeight > 0) {
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PDF.addPage()
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}
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}
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}
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PDF.save(title + '.pdf')
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}
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)
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}
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}
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}
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