<h1>用户登陆</h1>
    <hr>
    <form action="load.do" method="post">
        用户名：    <input type="text" name="userName"><br/>
        密     码：<input type="text" name="userPwd"><br/>
    <input type="submit" value="登陆">&nbsp;&nbsp;<input type="reset" value="重填">
    </form>

    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response) {
        // TODO Auto-generated method stub
        System.out.println("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
        LoadActionForm lf = (LoadActionForm) form;
        System.out
                .println("aaa =" + lf.getUserName() + " , " + lf.getUserPwd());
        if (lf != null) {
            User user = new User();
            user.setUserName(lf.getUserName());
            user.setUserPwd(lf.getUserPwd());
            User user1 = this.userBiz.checkLoad(user);
            if (user1 != null) {
                request.setAttribute("userName", user.getUserName());
                mapping.findForward("succ");
            }
        }
        return mapping.findForward("fail");
    }