responseType: “blob“导致不能获取查看后台返回的信息

responseType: "blob"导致不能获取查看后台返回的信息

  const fileReader = new FileReader()
          fileReader.readAsText(new Blob([response.data], { type: 'application/octet-stream' }), 'utf-8')
          fileReader.onload = () => {
            const result = JSON.parse(fileReader.result)
           // result可查看后台返回的提示信息
          }

  if (response.data.type === 'application/json') {
          const fileReader = new FileReader()
          fileReader.readAsText(new Blob([response.data], { type: 'application/octet-stream' }), 'utf-8')
          fileReader.onload = () => {
            const result = JSON.parse(fileReader.result)
            this.$confirm(result.msg, '提示', {
              confirmButtonText: '确定', // '确定',
              cancelButtonText: '取消', // '取消',
              type: 'warning'
            }).then(() => {

            }).catch(() => {
            })
          }
        } else {
          this.makeDownload(response, value.fileName);
        }