【vue】后端返回一个文件流（blob对象）时，如何将其下载下来

关键要点&＃xff1a;responseType: “blob”,

this.$axios({url: "/api/device/deviceInfo/createDeviceInfoByExcel",method: "post",headers: {"Content-Type": "multipart/form-data",token: localStorage.getItem("token"),},data: formData,responseType: "blob",//关键点}).then((res) &＃61;> {console.log(res);//下载文件操作const link &＃61; document.createElement("a");let blob &＃61; new Blob([res.data], { type: "application/vnd.ms-excel" });//生成blob对象console.log(blob)link.style.display &＃61; "none";link.href &＃61; URL.createObjectURL(blob);link.setAttribute("download", "冲突设备" &＃43; ".xls"); //下载的文件名以及文件格式document.body.appendChild(link);link.click();document.body.removeChild(link);});