不允许将顶部框架导航到数据URL：JsPDF

try {
    var a;
    var b = new jsPDF("p", "pt", "a3");
    var c = document.getElementById("leftPieCanvas").toDataURL("image/png");
    b.addImage(c, "PNG", 265, 60);
    a = document.getElementById("rightPieCanvas").toDataURL("image/png");
    b.addImage(a, "PNG", 205, 440);
    if ($("#sales_table").length) {
        var d = tableToJson($("#sales_table").get(0));
        b.setFont("helvetica");
        b.setFontType("bold");
        b.setFontSize(9);
        $.each(d, function(a, c) {
            $.each(c, function(c, d) {
                b.cell(40, 830, 55, 20, d, a);
            });
        });
    }
    b.output("dataurlnewwindow");
} catch (e) {
    alert(e);
}
try {
    var a;
    var b = new jsPDF("p", "pt