Struts(七)模型驱动及分层体系结构

package com.liule.service;

public interface LoginService
{
    public boolean IsLogin(String username,String password);
}

package com.liule.impl;

import com.liule.service.LoginService;

public class LoginSeriverImpl implements LoginService
{

    @Override
    public boolean IsLogin(String username, String password)
    {
        if("hello".equals(username)&& "world".equals(password))
        {
            return true;
        }
        return false;
    }

}

LoginSeriverImpl ls = new LoginSeriverImpl();
    public String execute() throws Exception
    {
        if(ls.IsLogin(username,password))
        {
            return SUCCESS;
        }
        return INPUT;
    }

<action name="login" class="com.liule.action.LoginAction">
            <result name="success">/servlet.jsp</result>
            <result name="input">/login.jsp</result>
        </action>

package com.liule.action;

import com.liule.bean.User;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

public class LoginAction2 extends ActionSupport implements ModelDriven<User>
{
    private User user = new User();

    @Override
    public String execute() throws Exception
    {
        
        return SUCCESS;
    }

    @Override
    public User getModel() //返回自己定义的模型
    {
        
        return user;
    }
}