struts2.2.1+hibernate3.6.0+spring3.0.5+proxool-0.9.1实例（5）

action代码:

package com.yj.action;

import javax.annotation.Resource;

import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.convention.annotation.Results;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ActionSupport;
import com.yj.model.User;
import com.yj.service.UserService;

//配置action转发
@Results( { @Result(name = Action.SUCCESS, location = "/success.jsp"),
        @Result(name = Action.ERROR, location = "/error.jsp") })
//把userAction注入到spring中
@Component("userAction")
//spiring中bean的作用域，一个bean定义对应多个对象实例
@Scope("prototype")
public class UserAction extends ActionSupport
{
    /**
     * Comment for <code>serialVersionUID</code><br>
     * 
     */
    private static final long serialVersionUID = -1897649005162084989L;
    
    private UserService userService;
    
    private User user;
    
    public User getUser()
    {
        return user;
    }
    
    public void setUser(User user)
    {
        this.user = user;
    }
    
    public UserService getUserService()
    {
        return userService;
    }
    
    //把UserService注入到userAction中
    @Resource
    public void setUserService(UserService userService)
    {
        this.userService = userService;
    }
    
    public String addUser()
    {
        if (userService.exits(user.getUsername()))
        {
            return ERROR;
        }
        userService.save(user);
        return SUCCESS;
    }
}

dao代码：

package com.yj.dao;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.stereotype.Component;

import com.yj.model.User;

@Component
public class UserDAO
{
    private HibernateTemplate hibernateTemplate;
    
    public HibernateTemplate getHibernateTemplate()
    {
        return hibernateTemplate;
    }
    
    @Resource
    public void setHibernateTemplate(HibernateTemplate hibernateTemplate)
    {
        this.hibernateTemplate = hibernateTemplate;
    }
    
    public void save(User user)
    {
        hibernateTemplate.save(user);
    }
    
    @SuppressWarnings("unchecked")
    public List<User> findByUsername(String username)
    {
        return hibernateTemplate.find("from User u where u.username = ?",
                username);
    }
}