小编And*_*ndy的帖子

我使用html2canvas和jspdf将多页网页导出为pdf。但是，生成的 pdf 中没有边距。如何使用 html2canvas 或 jspdf 添加边距。

html2canvas(document.body, {
    scale: 0.8,
    logging: true,
    allowTaint: false,
    backgroundColor: null
}).then(function(canvas) {
    // Export the canvas to its data URI representation
    var base64image = canvas.toDataURL("image/jpeg");
    console.log('Report Image URL: ' + base64image);

    var imgWidth = 295; 
    var pageHeight = 210;  
    var imgHeight = canvas.height * imgWidth / canvas.width;
    var heightLeft = imgHeight;    
    var doc = new jsPDF("l", "mm", "a4"); // landscape
    var position = 0;

    var width = doc.internal.pageSize.getWidth();
    var height = doc.internal.pageSize.getHeight();    
    doc.addImage(base64image,'JPEG', …