request.setAttribute()
forward()
request.getAttribute()
if error,back to last page
request.setAttribute()
forward()
request.getATtribute
forward()
request.getAttribute()
if error,back to last page
request.setAttribute()
forward()
request.getATtribute
session.setAttribute("something",someObject);
<jsp:useBean id="ObjectA" class="ClassA" scope="session">
那每个页面中的ObjectA是不是同一个实体啊?
如果不是,怎样改啊?