前端:ant design vue 1.6.2
JSPDF版本:2.3.0
需求:在搭配html2canvas截取页面div中内容作为图片,导出 PDF过程中,怎样让截取的图片能够在PDF页面居中显示?现在是顶在左上角

JSPDF内容如何居中显示
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- 葬空吟 2022-07-11 10:13关注
已解决
downloadPDF() { const downPdf = document.getElementById('KPImounth') html2canvas(downPdf).then((canvas) => { const image = canvas.toDataURL('image/jpeg', 1.0) const doc = new jsPDF('l', 'px', 'a4') const pageWidth = doc.internal.pageSize.getWidth() const pageHeight = doc.internal.pageSize.getHeight() const widthRatio = pageWidth / canvas.width const heightRatio = pageHeight / canvas.height const ratio = widthRatio > heightRatio ? heightRatio : widthRatio const canvasWidth = canvas.width * ratio const canvasHeight = canvas.height * ratio const marginX = (pageWidth - canvasWidth) / 2 const marginY = (pageHeight - canvasHeight) / 2 doc.addImage(image, 'JPEG', marginX, marginY, canvasWidth, canvasHeight) doc.output('dataurlnewwindow') doc.save('pdfname' + '.pdf') }) },
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