表单验证错误信息未显示

Question

//验证代码

@Override
    public void validate() {
        //用户名不能为空
        if("".equals(u.getUsername())){
            this.addFieldError("usernameError", "用户名不能为空！");
        }
        if(u.getPassword().length()<6){
            this.addFieldError("password", "密码长度不能少于6位！");
        }
    }

//登录方法

@SkipValidation
    public String login(){
        UsersDao udao=new UsersDaoImpl();
        if(udao.usersLogin(u)){
            //在session中保存
            session.setAttribute("loginUserName", u.getUsername());
            return "login_success";
        }else
            return "login_failure";
    }

//struts配置

<package name="users" namespace="/users" extends="default">
        <action name="*_*" class="action.{1}Action" method="{2}">
            <result name="input">/users/Users_login.jsp</result>
            <result name="login_success">/users/Users_login_success.jsp</result>
            <result name="login_failure">/users/Users_login.jsp</result>
            <result name="logout_success">/users/Users_login.jsp</result>
        </action>
    </package>

有哪里有问题吗

Answer 1

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

Answer 2

你用浏览器F12开发者工具调试一下，打个断点跟踪一下流程