整合struts2 hibernate实现简单的登陆程序_免费下载.doc

之前介绍过用jsp实现登陆程序，现在我们采用常用框架struts2和hibernate整合一起实现一个简单的登陆程序。首先我们建立三个jsp页面，index.jsp（登陆页面）、success.jsp（登陆成功页面）、error.jsp（登陆失败页面）,接着我们需要在数据库myweb下建立表users字段为id、username、password。一切准备好久可以开始写代码了。主要代码如下：index.jsp代码： base href= My JSP starting page !- 用户登录 帐号： 密码： success.jsp代码： base href= My JSP starting page !- 登录成功! error.jsp登陆失败页面代码： base href= My JSP starting page !- 登录失败，请重新登录！ 页面建好了，现在关键就是编写java代码了。第一步我们来建立管理员的实体类，很简单不做详细介绍package com.domain;public class user private int id;private String username;private String password;public int getId() return id;public void setId(int id) this.id = id;public String getUsername() return username;public void setUsername(String username) this.username = username;public String getPassword() return password;public void setPassword(String password) this.password = password;实体类的映射文件实行登陆的逻辑代码package com.dao;import java.util.List;import org.hibernate.Query;import org.hibernate.SessionFactory;import org.hibernate.Transaction;import org.hibernate.cfg.Configuration;import org.hibernate.classic.Session;import com.domain.user;public class userImpl implements userDaopublic String pass(String username)String pass=null;Configuration conf=new Configuration().configure();SessionFactory sf=conf.buildSessionFactory();Session sess=sf.openSession();Transaction tx=sess.beginTransaction();Query query=sess.createQuery(from user as u where username=+username+);List list=query.list();for(int i=0;ilist.size();i+)user u=(user)list.get(i);pass=u.getPassword();mit();sess.close();sf.close();return pass;登陆的action类package com.action;import java.util.Enumeration;import javax.servlet.ServletContext;import javax.servlet.http.HttpSession;import javax.servlet.http.HttpSessionContext;import org.apache.struts2.ServletActionContext;import org.hibernate.Session;import com.dao.userImpl;import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport private int id;private String username;private String password;public int getId() return id;public void setId(int id) this.id = id;public String getUsername() return username;public void setUsername(String username) this.username = username;public String getPassword() return password;public void setPassword(String password) this.password = password; public String execute() throws Exception userImpl ui=new userImpl();String pass=ui.pass(username);if(password.equals(pass)HttpSession session = ServletActionContext.getRequest().getSession(); session.setAttribute(username, username); return SUCCESS;elsereturn ERROR;最后面就是加入struts2和hibernate的jar包，导入了开始配置文件struts.xml代码/success.jsp/error.jsp hibernate.cfg.xml代码