[pdf] vue 下载pdf

fileList：[
  {
  src:'http://storage.xuetangx.com/public_assets/xuetangx/PDF/PlayerAPI_v1.0.6.pdf',
  name:'aaa.pdf'
  }
]

// 下载全部附件
    handleDownloadAllFile() {
      this.fileList.forEach((item) => {
        this.openDownload("item.src", item.name);
      });
    },

async openDownload(link, name) {
      console.log(link, name, 'link, name');
      const x = new XMLHttpRequest();
      x.open('GET', link, true);
      x.responseType = 'blob';
      x.onload = function () {
        const url = window.URL.createObjectURL(x.response);
        const a = document.createElement('a');
        a.href = url;
        a.download = name || '';
        a.click();
      };
      x.send();
    },