jsPDF怎么解决分辨率低的问题

   查看：https://github.com/niklasvh/html2canvas

  下载文件：https://github.com/niklasvh/html2canvas/releases

  配置：

html2canvas(Dom, {
   allowTaint: true,
   taintTest: false,
   scale: '2',
   dpi: '192',
   background: '#fff',
   onrendered: (canvas) => {},
})