页面
<form action="/ShoppingProject/AddGoods" method="post" enctype="multipart/form-data">
<%
String GoodsName=request.getParameter("goodsname");
session.setAttribute("goodsname", GoodsName);
String GoodsIntro=request.getParameter("goodsintro");
session.setAttribute("goodsintro", GoodsIntro);
%>
商品名称:<input type="text" name="goodsname"><br>
商品描述:<textarea name="goodsintro" cols="30" rows="3">
</textarea><br>
商品图片:<br>
<input type="file" name="goodsimg"><br>
<br>
<input type="submit" value="确定" name="suresubmit">
<input type="reset" value="取消" name="noreset">
</form>
servlet部分
HttpSession session=req.getSession(false);
String goodsName=(String)session.getAttribute("goodsname");
String goodsIntro=(String)session.getAttribute("goodsintro");
这两个值传过来为空