这是我的代码functionaddPackage(elem){vardataimg=newFormData();dataimg.append('',$("#browseimg"+elem).prop('files')[0]);varstartdate=$("#from_date"+elem).val();varenddate=$("#to_date"+elem).val();$.ajax({url:"addpackage/",type:"post",contentType:false,data:{startdate:startdate,enddate:enddate,packageid