[struts]从数据库中取出数据,并显示数据问题,麻烦各位帮忙!
下面是我的action类
.......
ArrayList array=new ArrayList();
try{
ResultSet rs = DB.executeQuery("SELECT classid FROM t_relation WHERE userid='"+userid+"'");
while(rs.next()){
int classid =rs.getInt("classid");
UserClassForm actionForm = (UserClassForm) form; //actionForm
actionForm.setClassid(classid);
array.add(actionForm);
}
}catch(Exception e){
}
request.setAttribute("array", array);
ActionForward actionForward=mapping.findForward("success");
return actionForward;
......
当我运行的时候,在jsp页面打印出三条数据(符合条件就三条),然而这三条数据相同,如何解决呢?