小编sam*_*mer的帖子

代码 ：

let options = new RequestOptions({ headers: headers });
let array1;

array1 = [{ "subfolder_name": subfolder, "file_upload": file }];
let formData: FormData = new FormData();
formData.append("folder_name",folder );
formData.append("counselor",array1 );

它返回辅导员：[Object Object]