function clickFun() {
  setTimeout(() => {
             const targetDom = document.querySelector("#view");
  const winWidth = document.documentElement.clientWidth || window.innerWidth;
  let opts = {
    useCORS: true,
    scale: 1,
  };
  html2canvas(targetDom, opts).then(canvas => {
    let aLink = document.createElement("a");
    aLink.style.display = "none";
    aLink.href = canvas.toDataURL("image/jpeg");
    aLink.download = "志愿表.jpg";
    document.body.appendChild(aLink);
    aLink.click();
    document.body.removeChild(aLink);

  });
}, 200)
}

function clickFun2() {

  const targetDom = document.querySelector("#view2");
  const winWidth = document.documentElement.clientWidth || window.innerWidth;
  let opts = {
    allowTaint: true,
    scale: 1,
  };
  html2canvas(targetDom, opts).then(canvas => {
    document.body.appendChild(canvas);
  });

}