前些天做的：struts2.0与hibernate整合

[wen_qwfy]

//--------------配置文件struts.xml-----------------
<?xml version="1.0" encoding="GBK"?>

<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

	<constant name="struts.i18n.encoding" value="GBK"/>
	<constant name="struts.custom.i18n.resources" value="messageResource"/>

	<package name="mystrut2" extends="struts-default">   
		<action name="Login" class="com.wenbo.action.LoginAction">
			<result name="input">/login.jsp</result>
			<result name="error">/error.jsp</result>
			<result name="success">/login_success.jsp</result>
		</action>
  </package>

</struts>	


//-------------------配置文件hibernate.cfg.xml-------------------
<?xml version="1.0" encoding="GBK"?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
        <!-- Database connection settings -->
        <property name="connection.driver_class">com.microsoft.jdbc.sqlserver.SQLServerDriver</property>
        <property name="connection.url">jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=struts2hibernate</property>
        <property name="connection.username">sa</property>
        <property name="connection.password"></property>

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.SQLServerDialect</property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Drop and re-create the database schema on startup -->
        <property name="hbm2ddl.auto">update</property>

        <mapping resource="com/wenbo/entity/User.hbm.xml"/>
    </session-factory>
</hibernate-configuration>


//----------com.wenbo.entity:：user.java（javaBean文件）-----

//----------com.wenbo.entity: ***.hbm.xml----------
<?xml version="1.0" encoding="gbk"?>

<!DOCTYPE hibernate-mapping PUBLIC 
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
	
<hibernate-mapping package="com.wenbo.entity">
  <class name="User" table="users">
    <id name="id" column="id" type="integer">
    	<generator class="identity"/>
    </id>
    <property name="username" column="username" type="string" />
    <property name="password" column="password" type="string" />
  </class>
</hibernate-mapping>


//-----------hibernate连接数据库---------------
package com.wenbo.util;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {
	private static SessionFactory factory;
	
	static{
		try{
			Configuration cfg = new Configuration();
			factory = cfg.configure().buildSessionFactory();
		}
		catch(HibernateException e){
			System.out.println("111111111111111");
		}
	}
	
	public static Session getSession(){
		//System.out.println("0000000000");
		return factory.openSession();
	}
}


//------------com.wenbo.dao接口------------
package com.wenbo.dao;

import com.wenbo.entity.User;
import java.util.Collection;

public interface userDao {
	//public void insert(UserBean user);
	//public void update(UserBean user);
	//public void delete(UserBean user);
	public User select(String name);
	//public Collection selectAll();
}


//------------com.wenbo.dao.impl实现接口-----------
package com.wenbo.dao.impl;

import org.hibernate.Query;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.Session;

import com.wenbo.dao.userDao;
import com.wenbo.entity.User;
import com.wenbo.util.HibernateUtil; 

public class userDaoImpl implements userDao {

	private Session session = null;
	private Transaction trans = null;
	

	public User select(String name) {
		// TODO Auto-generated method stub
		User user = null;
		try{		
			session = HibernateUtil.getSession();
			trans = session.beginTransaction();
			Query query = session.createQuery("from User u where u.username= ?" );
			query.setString(0, name);
			if(null != query.list() || !query.list().isEmpty()){
				user = (User) query.list().get(0);	
			}
			trans.commit();
		}
		catch(Exception e){
			e.printStackTrace();
            trans.rollback();
		}
		finally{
			session.close();
		}
		return user;
	}

}


//-----------控制器的实现Action.java-----------
package com.wenbo.action;

import com.opensymphony.xwork2.Action;
import com.opensymphony.xwork2.ModelDriven;  //该接口提供模型驱动方法
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ActionContext; //该类提供Servlet API的访问
import com.wenbo.dao.userDao;
import com.wenbo.dao.impl.userDaoImpl;
import com.wenbo.entity.User;
import com.wenbo.entity.UserBean;

public class LoginAction extends ActionSupport implements ModelDriven<UserBean>{
	//使用模型驱动
	private UserBean userModel = new UserBean();
	
	//实现ModelDriven接口必须实现的方法
	public UserBean getModel(){
		return this.userModel;
	}
	
	public String execute() throws Exception{
		
		userDao userDao = new userDaoImpl();
		User user = userDao.select(getModel().getUsername());
		
		if(null != user ){
			if(getModel().getPassword().equalsIgnoreCase(user.getPassword())){
				getModel().setTip("服务器提示！！！");
				
				//String user = (String) ActionContext.getContext().getSession().get("user");
				ActionContext.getContext().getSession().put("user", getModel().getUsername());
				return "success";
			}
			else{
				getModel().setTip("输入用户名或密码错误！！！");
				return "error";
			}
		}
		else{
			getModel().setTip("没有该用户！！！");
			return "error";
		}
	}
}


//-----login.jsp页面-----
<%@ page contentType="text/html; charset=GBK" language="java"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<HTML>
<HEAD>
<TITLE>登录成功页面</TITLE>
</HEAD>
<BODY>
<s:form action="Login.action">
	<h3>用户登录</h3>
	<s:textfield name="username" label="用户名："/>
	<s:textfield name="password" label="密码："/>
	<s:submit value="提交"/>
</s:form>
</BODY>
</HTML>

//-----login_success.jsp页面-----
<%@ page contentType="text/html; charset=GBK" language="java"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<HTML>
<HEAD>
<TITLE>登录页面</TITLE>
</HEAD>
<BODY>
	<h3><s:property value="tip"/></h3>
欢迎，${sessionScope.user}，您已经登录成功！
</BODY>
</HTML>

//-----error.jsp页面-----
<%@ page contentType="text/html; charset=GBK" language="java"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<HTML>
<HEAD>
<TITLE>错误</TITLE>
</HEAD>
<BODY>
<s:property value="tip"/>
</BODY>
</HTML>