接收后端流，下载xls等文件（兼容ie）

// 判断是否是ie浏览器

     if (!!window.ActiveXObject || "ActiveXObject" in window) {
        await this.$axios
          .post("/location/exportExcel", this.params, { responseType: "blob" })
          .then((res) => {
            this.loading = false;
            //兼容ie的方法
            this.createDownloadDom(res);
          });
      } else {
        await this.$axios
          .post("/location/exportExcel", this.params, { responseType: "blob" })
          .then((res) => {
            let fileName = "查询统计_巡检点位查询" + ".xls";
            const url = window.URL.createObjectURL(
              new Blob([res.data], { type: "application/octet-stream" })
            );
            if (res.data) {
              this.$message.success("导出成功");
            } else {
              this.$message.error("导出失败");
            }
            const link = document.createElement("a");
            link.href = url;
            link.download = fileName;
            document.body.appendChild(link);
            link.click();
            window.URL.revokeObjectURL(link.href);
          })
          .catch(function (error) {});
      }

//兼容ie的方法
createDownloadDom(data) {
      //创建下载的dom节点

      let blob = new Blob([data.data]); //新建blob对象

      let fileName = decodeURIComponent("查询统计_巡检点位查询.xls"); //获取文件名

      if ("download" in document.createElement("a")) {
        //IE下载

        let downloadElement = document.createElement("a"); //创建a标签

        let href = window.URL.createObjectURL(blob); //创建下载的链接

        downloadElement.href = href; //创建下载链接

        downloadElement.download = "查询统计_巡检点位查询.xls"; //下载后文件名

        document.body.appendChild(downloadElement); //添加到dom中

        downloadElement.click(); //点击下载

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

        window.URL.revokeObjectURL(href); //释放掉blob对象
      } else {
        //非IE下载
        window.navigator.msSaveOrOpenBlob(blob, fileName);
      }
    },

参考地址链接
https://www.jianshu.com/p/d2fa4f33ee33