1 .将开机自检请求标头设置为' content-type ' : ' multipart/form-data '2. new formdata (方式//上传exportfunctionuploadfile ) data headers : { ' content-type ' : ' multipart/form-data ' },data : data } let param=new formdata (; param.append(filetype ),img ) ) param.append (file ),file (uploadfile ) param ).then ) response={ if } responsponse } else { console.log ('上传错误') } );