批改密码在什么地方做

 /**
     * 修改密码
     * @return
     */
    @Action(value="modifyPassword",results={@Result(name="modifyFail",location="/system/user/user-modifyPassword.jsp"),    @Result(name="modifySuccess",location="/system/index.jsp")})
    public String modifyPassword(){
        String message = "";
        try{
            if(txtoldPasswd==null || txtoldPasswd.equals("")){
                message = "您输入的旧密码为空！";
                throw new Exception(message);
            }else if(txtnewPasswd==null || txtnewPasswd.equals("")){
                message = "您输入的新密码为空！";
                throw new Exception(message);
            }else if(txtrepeatpassword==null || txtrepeatpassword.equals("")){
                message = "您输入的重复密码为空！";
                throw new Exception(message);
            }else if(!txtnewPasswd.equals(txtrepeatpassword)){
                message = "您输入的两次新密码不一致！";
                throw new Exception(message);
            }
        }catch (Exception e) {
            addActionMessage(message);
            logger.error(message);
            return "modifyPassword";
        }
        try {
            //首先判断用户的旧密码是否正确
            User user = (User)Struts2Utils.getSession().getAttribute("loginuser");
            if(!user.getPassword().equals(txtoldPasswd)){
                addActionMessage("抱歉，您输入的旧密码错误！");
                return "modifyPassword";
            }else{   //然后修改密码
                user.setPassword(txtrepeatpassword);
                securityEntityManager.saveUser(user);
                Struts2Utils.getResponse().getWriter().print("<script>top.location.href='" + contextPvd.getAppCxtPath() + 
                        "/login!goIndex.action'</script>");
                return null;
            }    
        } catch (Exception e) {
            addActionMessage("密码修改失败！");
            logger.error("密码修改失败！{}",e.getMessage());
        }
        return "modifyPassword";
    }

------解决方案--------------------

Changes page

Java code

public Navigation run() throws Exception {
        Account ac = sessionScope("account");
        System.out.println("Key:" + ac.getKey());
        Account stored = service.get(ac.getId());
        System.out.println("Key:" + stored.getKey());

        Account ac2 = new Account();
        BeanUtil.copy(request, ac2);
        stored.setName(ac2.getName());
        stored.setPassword(ac2.getPassword());
        System.out.println("Paass:" + ac2.getPassword());
        if (service.update(stored)) {
            return forward("...");
        } else {
            return forward("...");
        }
    }