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标题: Eclipse3.4.1开发基于Spring2.5+Hibernate3+Struts2项目(三) [打印本页]

作者: hebzhjg 时间: 2008-11-21 10:21
标题: Eclipse3.4.1开发基于Spring2.5+Hibernate3+Struts2项目(三)
续：
附：源代码
package com.snsoft.tutorial.domain;

/**
* TUser generated by hbm2java
*/
public class TUser implements java.io.Serializable {
private static final long serialVersionUID = -6591585528232763040L;

private int id;

private String username;

private String password;

private String emaillist;

public TUser() {
}

public TUser(int id) {
   this.id = id;
}

public TUser(int id, String username, String password, String emaillist) {
   this.id = id;
   this.username = username;
   this.password = password;
   this.emaillist = emaillist;
}

public int getId() {
   return this.id;
}

public void setId(int id) {
   this.id = id;
}

public String getUsername() {
   return this.username;
}

public void setUsername(String username) {
   this.username = username;
}

public String getPassword() {
   return this.password;
}

public void setPassword(String password) {
   this.password = password;
}

public String getEmaillist() {
   return this.emaillist;
}

public void setEmaillist(String emaillist) {
   this.emaillist = emaillist;
}

}

xml version="1.0"?>
DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
                                 "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
3.2.2.GA -->
hibernate-mapping>
class catalog="tutorial" name="com.snsoft.tutorial.domain.TUser"
  schema="dbo" table="T_USER">
  id name="id" type="int">
column name="ID"/>
generator class="native"/>
  id>
  property generated="never" lazy="false" name="username" type="string">
column length="50" name="USERNAME"/>
  property>
  property generated="never" lazy="false" name="password" type="string">
column length="50" name="PASSWORD"/>
  property>
  property generated="never" lazy="false" name="emaillist" type="string">
column length="500" name="EMAILLIST"/>
  property>
class>
hibernate-mapping>

package com.snsoft.tutorial.dao;

import org.hibernate.SessionFactory;

/*
* 这个接口定义了设置 SessionFactory 的方法，
* DAO接口应当扩展这个接口
*/
public interface ISessionFactoryIoC {

/**
   * 通过IoC向DAO注入SessionFactory
   * @param sf
   */
public void setSessionFactory(SessionFactory sf);

}

package com.snsoft.tutorial.dao;

import java.util.List;
import com.snsoft.tutorial.domain.TUser;

/**
* 用户表DAO接口定义
* @author Administrator
*
*/
public interface IUserDAO extends ISessionFactoryIoC {

/**
   *
   * @param user
   * @return
   */
public void addUser(TUser user);

/**
   *
   * @param user
   * @return
   */
public void delUser(TUser user);

/**
   *
   * @param user
   * @return
   */
public void updateUser(TUser user);

/**
   *
   * @return
   */
public List getUsers();

/**
   *
   * @param id
   * @return
   */
public TUser getUserByID(int id);

/**
   *
   * @param username
   * @return
   */
public TUser getUserByName(String username);

}

package com.snsoft.tutorial.dao;

import java.util.List;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.HibernateTemplate;
import com.snsoft.tutorial.domain.TUser;

public class UserDAOImpl implements IUserDAO {

private HibernateTemplate hibernate=null;

/**
   * 由Spring框架通过外部IoC注入
   * 然后创建 HibernateTemplate 对象
   * 数据库操作通过 HibernateTemplate 对象实现
   */
public void setSessionFactory(SessionFactory sf) {
   this.hibernate=new HibernateTemplate();
   this.hibernate.setSessionFactory(sf);
}

/**
   * 添加用户
   */
public void addUser(TUser user) {
   this.hibernate.save(user);
}

/**
   * 删除用户
   */
public void delUser(TUser user) {
   this.hibernate.delete(user);
}

/**
   * 通过ID查找用户
   */
@SuppressWarnings("unchecked")
@Override
public TUser getUserByID(int id) {
   List list=this.hibernate.find("from TUser as user where user.id=?"
            ,new Object[]{id});

   if(list!=null && list.size()>0){
         return (TUser)list.get(0);
   }
   return null;
}

/**
   * 返回所有用户
   */
@SuppressWarnings("unchecked")
@Override
public List getUsers() {
   List list=this.hibernate.find("from TUser");

   if(list!=null && list.size()>0){
         return list;
   }
   return null;
}

/**
   * 更新用户
   */
@Override
public void updateUser(TUser user) {
   this.hibernate.update(user);
}

/**
   * 根据用户名查找
   */
@SuppressWarnings("unchecked")
public TUser getUserByName(String username) {
   List list=this.hibernate.find("from TUser as user where user.username=?"
            ,new Object[]{username});

   if(list!=null && list.size()>0){
         return (TUser)list.get(0);
   }
   return null;
}

}

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