axiosGet () {

      var This = this

      var url = '/group1/M00/00/21/MejEvGOX_zOAL2kiAAAAUhB5Iqg138.txt?token=895acb60323e38e6d85b5c9a82466b61&ts=1670934451'

      axios.get(url, {responseType: 'blob'})

        .then((response) => {

          console.log('跨域，设置返回类型', response)

          This.handleExport(response.data)

        })

    },

    handleExport (data) {

      // 动态创建iframe下载文件

      let fileName = 'test' // this.selectedTabelRow[0].dirName

      if (!data) {

        return

      }

      let blob = new Blob([data], { type: 'application/octet-stream' })

      if ('download' in document.createElement('a')) {

        // 不是IE浏览器

        let url = window.URL.createObjectURL(blob)

        let link = document.createElement('a')

        link.style.display = 'none'

        link.href = url

        link.setAttribute('download', fileName)

        document.body.appendChild(link)

        link.click()

        document.body.removeChild(link) // 下载完成移除元素

        window.URL.revokeObjectURL(url) // 释放掉blob对象

      } else {

        // IE 10+

        window.navigator.msSaveBlob(blob, fileName)

      }

    },