vue js实现打印

<div id = "panel">

 内容

</div>

​

printContent() {

      const wpt = document.getElementById("panel");

      const newContent = wpt.innerHTML;

      const oldContent = document.body.innerHTML;

      document.body.innerHTML = newContent;

      document.getElementsByTagName("body")[0].style.zoom = 0.86;  //控制打印时的缩放

      window.print(); //打印方法

      window.location.reload();

      document.body.innerHTML = oldContent;

    },