struts2 hibernate登录

实现的功能，在登陆页面输入Username和PassWord后，将username和password通过Hibernate匹对数据库是否含有一样的username和password，若有则登陆进去，若没有则返回到登陆页面

显示层

<%@ page language="java" contentType="text/html; charset=GB18030"pageEncoding="GB18030"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030">
<title>Insert title here</title>
</head>
<body><form action="userlogin">用户名:<input type="text" name="username"><br/>密码:<input type="password" name="password"><br/><input type="submit" value="submit"><input type="reset" value="reset"></form>
</body>
</html>

model层

User

package com.zs.model;public class User {private String username;private String password;private Short sex;private String email;private String address;private String grade;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 Short getSex() {return sex;}public void setSex(Short sex) {this.sex = sex;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;}public String getAddress() {return address;}public void setAddress(String address) {this.address = address;}public String getGrade() {return grade;}public void setGrade(String grade) {this.grade = grade;}
}

User.hbm.xml:

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 2014-12-14 14:51:48 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping><class name="com.zs.model.User" table="USER"><id name="username" type="java.lang.String"><column name="USERNAME" /><generator class="assigned" /></id><property name="password" type="java.lang.String"><column name="PASSWORD" /></property><property name="sex" type="java.lang.Short"><column name="SEX" /></property><property name="email" type="java.lang.String"><column name="EMAIL" /></property><property name="address" type="java.lang.String"><column name="ADDRESS" /></property><property name="grade" type="java.lang.String"><column name="GRADE" /></property></class>
</hibernate-mapping>

Hibernate：

配置hibernate.hbm.xml：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC"-//Hibernate/Hibernate Configuration DTD 3.0//EN""http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration><session-factory><!--连接数据库的配置--><property name="connection.username">root</property><property name="connection.password">root</property><property name="connection.driver_class">com.mysql.jdbc.Driver</property><property name="connection.url">jdbc:mysql:///hibernate</property><property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property><property name="show_sql">true</property><property name="hibernate.format_sql">true</property><property name="hibernate.hbm2ddl.auto">update</property><!--数据库映射Java用户--><mapping resource="com/zs/model/User.hbm.xml" /></session-factory>
</hibernate-configuration>

Struts：

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN""http://struts.apache.org/dtds/struts-2.3.dtd"><struts><package name="default" extends="struts-default"><!--登陆主页面时候的Action--><action name="index"><result>/index.jsp</result></action><!--在index.jsp提交submit后若登陆成功则转到adminlogin,否则转到index--><action name="userlogin" class="com.zs.web.admin.AdminLoginAction"><result name="success">/admin/adminlogin.jsp</result><result name="input">/index.jsp</result></action></package></struts>

Action:

package com.zs.web.admin;import java.util.Map;import org.apache.struts2.interceptor.SessionAware;import com.opensymphony.xwork2.ActionSupport;
import com.zs.dao.UserDao;
import com.zs.dao.impl.UserDaoImpl;
import com.zs.model.User;public class AdminLoginAction extends ActionSupport implements SessionAware {/*** */private static final long serialVersionUID = 1L;UserDao dao = new UserDaoImpl();private String username;private String password;private Map<String,Object> session;public String execute(){User user = dao.isValidAdmin(username, password);//将username和password传递到dao层交个hibernate判断if(user!=null){session.put("user", user);//若登陆成功则将该user记录在session中return SUCCESS;}else{addActionError("你没有管理权限");return INPUT;}}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 Map getSession() {return session;}public void setSession(Map session) {this.session = session;}}

判断用户和密码是否存在于数据库中

package com.zs.dao.impl;import java.util.List;import com.zs.dao.BaseDaoImpl;
import com.zs.dao.UserDao;
import com.zs.model.User;public class UserDaoImpl extends BaseDaoImpl implements UserDao {@Overridepublic void saveUser(User user) {// TODO Auto-generated method stub
        }@Overridepublic List<User> getAll(Class clazz) {// TODO Auto-generated method stubreturn null;}@Overridepublic User isValidUser(String username, String password) {// TODO Auto-generated method stubreturn null;}//判断数据库中时候含有该用户
    @Overridepublic User isValidAdmin(String username, String password) {User user = null;//调用hibernateList<User> list =super.search("FROM User WHERE grade='admin' AND username ='"+username+"' AND password = '"+password+"'");if(list!=null && list.size()>0){//若找到的list不为空那么则说明数据库中包含这个人user = list.get(0);}return user;}}

Hibernate初始化借口并且从数据库中取数据

package com.zs.dao;import java.util.List;import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;public class BaseDaoImpl implements IBaseDao {private  SessionFactory sessionFactory;private  Session session;private  Transaction transaction;//初始session接口public void init(){Configuration configuration = new Configuration().configure();ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();sessionFactory = configuration.buildSessionFactory(serviceRegistry);session = sessionFactory.openSession();transaction = session.beginTransaction();}@Overridepublic Session getSession() {init();return session;}@Overridepublic void closeSession() {session.close();}@Overridepublic List search(String hql) {//调用session接口Session session = null;session = getSession();List alist = null;alist = session.createQuery(hql).list();//从数据库中查询
        session.close();return alist;}}

可以先建好一个名为User的数据库，设置一个用户，然后便可以测试了

完整代码可以在我github下载：https://github.com/calmound/web/tree/master/web

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