h5文件下载

 // type1

      await getFile(fileUrl).then((res) => {

      console.log('download',res);

      let bFile = window.URL.createObjectURL(

        new Blob([res])

      )

      this.download(bFile, this.viewData.file_name)

    });

    // type2

    window.open(fileUrl)

    // type3

    setTimeout(() => {

    let a = document.createElement("a");

    let url = fileUrl; //下载url

    let filename = "download";

    a.href = url;

    a.download = filename;

    a.click();

    }, 500);

    // type4

    setTimeout(() => {

      let myFrame = document.createElement("iframe");

      myFrame.src = fileUrl;

      myFrame.style.display = "none";

      document.body.appendChild(myFrame);

      window.open(fileUrl);

    }, 500);

    // type5

      let url = "fileurl" // 文件绝对路径

      var a = document.createElement("a");

      a.setAttribute("href", url);

      a.setAttribute("target", "_blank");

      let clickEvent = document.createEvent("MouseEvents");

      clickEvent.initEvent("click", true, true);

      a.dispatchEvent(clickEvent);
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h5文件下载

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