Javascript JSPDF打印不正确,显示空白pdf

Javascript JSPDF打印不正确,显示空白pdf,javascript,jquery,asp.net-core,jspdf,Javascript,Jquery,Asp.net Core,Jspdf,我们正在aspnet核心应用程序中使用。以下是脚本部分: @section Scripts{ <script src="~/lib/jsPDF/jspdf.min.js" type="text/javascript" asp-append-version="true"></script> <script src="~/lib/jsPDF/split_text_to_size.js" type="text/javascript" asp-append

我们正在aspnet核心应用程序中使用。以下是脚本部分:

@section Scripts{

    <script src="~/lib/jsPDF/jspdf.min.js" type="text/javascript" asp-append-version="true"></script>
    <script src="~/lib/jsPDF/split_text_to_size.js" type="text/javascript" asp-append-version="true"></script>
    <script src="~/lib/jsPDF/standard_fonts_metrics.js" type="text/javascript" asp-append-version="true"></script>

    <script src="~/lib/jsPDF/html2canvas.min.js" asp-append-version="true"></script>
    <script src="~/lib/jsPDF/html.js" type="text/javascript" asp-append-version="true"></script>

    <script src="~/js/dailyjobreport.js" type="text/javascript" asp-append-version="true"></script>

}

呈现的pdf是一个无效页面。请任何人帮助我们找出代码的错误,或者如果我们缺少某些内容

请尝试使用回调函数保存到pdf:

<script src="https://unpkg.com/jspdf@latest/dist/jspdf.min.js"></script>
<script src="https://html2canvas.hertzen.com/dist/html2canvas.min.js"></script>

Js功能:

$(function () {
    var pdf = new jsPDF({
        orientation: 'portrait',
        format: 'a4'
    });


    pdf.html("<html><head></head><body><h2>2asdasda123dsdasd</h2></body></html>", {
        callback: function (pdf) {
            pdf.save('test.pdf');
        }
    });

})
$(函数(){
var pdf=新的jsPDF({
方向:'肖像',
格式:“a4”
});
pdf.html(“2asda123dsdasd”{
回调:函数(pdf){
保存('test.pdf');
}
});
})

尝试使用回调函数保存到pdf:

<script src="https://unpkg.com/jspdf@latest/dist/jspdf.min.js"></script>
<script src="https://html2canvas.hertzen.com/dist/html2canvas.min.js"></script>

Js功能:

$(function () {
    var pdf = new jsPDF({
        orientation: 'portrait',
        format: 'a4'
    });


    pdf.html("<html><head></head><body><h2>2asdasda123dsdasd</h2></body></html>", {
        callback: function (pdf) {
            pdf.save('test.pdf');
        }
    });

})
$(函数(){
var pdf=新的jsPDF({
方向:'肖像',
格式:“a4”
});
pdf.html(“2asda123dsdasd”{
回调:函数(pdf){
保存('test.pdf');
}
});
})