$("form").serialize()和 new FormData($('#uploadForm')[0])都是序列化表单,实现表单的异步提交,但是二者有区别$("form").serialize()和 new FormData($('#uploadF
$("form").serialize()和 new FormData($('#uploadForm')[0])都是序列化表单,实现表单的异步提交,但是二者有区别$("form").serialize()和 new FormData($('#uploadF