ajax代码:
$(":button").click(function(){
$.post("../servlet/itemAddAltSelServlet?type=alter",
$("#alterItem form").serialize(), function(data){
alert("xx");
})
})
表单代码(部分):
<div id="alterItem">
<form method="post" action="/Exchange/servlet/itemAddAltSelServlet?type=alter">
<div id="ID">
I D: <input type="text" name="ID">
</div>
<div id="tie2">
标题: <input type="text" name="tie">
</div>
<div id="num2">
数量: <input type="text" name="num">
</div>
servlet代码:if(type.equals("alter")){
String ID=request.getParameter("ID");
//int ID=Integer.parseInt(request.getParameter("ID"));
System.out.println(ID);//输出的值为空
}