Struts2和hibernate框架整合实现简单的注册登陆功能

项目结构：

LoginAction.java

package action;
import vo.User;
import vo.UserDAO;
import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport {/*** */private static final long serialVersionUID = 1L;private User user;public User getUser() {return user;}public void setUser(User user) {this.user = user;}public String execute()throws Exception{if((user=new UserDAO().LoginCheck(user.getUsername(), user.getPassword(),user.getRole()))==null){return ERROR;}if(user.getRole()=="1"){return "admin";}else{return SUCCESS;}    }
}

RegistAction.java

package action;import vo.User;
import vo.UserDAO;import com.opensymphony.xwork2.ActionSupport;public class RegistAction extends ActionSupport {/*** */private static final long serialVersionUID = 1L;private User user=null;private String repassword;public String getRepassword() {return repassword;}public void setRepassword(String repassword) {this.repassword = repassword;}//UserDAO userDao=new UserDAO();@Overridepublic String execute() throws Exception {User selectUser=new User();if((selectUser=new UserDAO().selectRegist(user.getUsername()))==null){User u=new User();u.setUsername(user.getUsername());u.setPassword(user.getPassword());new UserDAO().saveRegist(u);return "success";}else{return "error";}}public User getUser() {return user;}public void setUser(User user) {this.user = user;}
}

LoginAction-validation.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.2//EN" "http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd"><validators><field name="user.username"><field-validator type="requiredstring"><param name="trim">true</param><message>用户名不能为空</message></field-validator></field><field name="user.password"><field-validator type="regex"><param name="expression"><![CDATA[(\w{4,8})]]></param><message>密码长度必须在4~8之间</message></field-validator></field></validators>

RegistAction-validation.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC "-//Apache Struts//XWork Validator 1.0.2//EN" "http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd"><validators><field name="user.username"><field-validator type="requiredstring"><param name="trim">true</param><message>用户名不能为空</message></field-validator></field><field name="user.password"><field-validator type="regex"><param name="expression"><![CDATA[(\w{4,8})]]></param><message>密码长度必须在4~8之间</message></field-validator></field><field name="repassword"><field-validator type="fieldexpression"><param name="expression"><![CDATA[(repassword==user.password)]]></param><message>两次输入的密码要一致!</message></field-validator></field></validators>

HibernateSessionFactory.java

package util;import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;/*** Configures and provides access to Hibernate sessions, tied to the* current thread of execution.  Follows the Thread Local Session* pattern, see {@link http://hibernate.org/42.html }.*/
public class HibernateSessionFactory {/** * Location of hibernate.cfg.xml file.* Location should be on the classpath as Hibernate uses  * #resourceAsStream style lookup for its configuration file. * The default classpath location of the hibernate config file is * in the default package. Use #setConfigFile() to update * the location of the configuration file for the current session.   */private static final ThreadLocal<Session> threadLocal = new ThreadLocal<Session>();private static org.hibernate.SessionFactory sessionFactory;private static Configuration configuration = new Configuration();private static ServiceRegistry serviceRegistry; static {try {configuration.configure();serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();sessionFactory = configuration.buildSessionFactory(serviceRegistry);} catch (Exception e) {System.err.println("%%%% Error Creating SessionFactory %%%%");e.printStackTrace();}}private HibernateSessionFactory() {}/*** Returns the ThreadLocal Session instance.  Lazy initialize* the <code>SessionFactory</code> if needed.**  @return Session*  @throws HibernateException*/public static Session getSession() throws HibernateException {Session session = (Session) threadLocal.get();if (session == null || !session.isOpen()) {if (sessionFactory == null) {rebuildSessionFactory();}session = (sessionFactory != null) ? sessionFactory.openSession(): null;threadLocal.set(session);}return session;}/***  Rebuild hibernate session factory**/public static void rebuildSessionFactory() {try {configuration.configure();serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();sessionFactory = configuration.buildSessionFactory(serviceRegistry);} catch (Exception e) {System.err.println("%%%% Error Creating SessionFactory %%%%");e.printStackTrace();}}/***  Close the single hibernate session instance.**  @throws HibernateException*/public static void closeSession() throws HibernateException {Session session = (Session) threadLocal.get();threadLocal.set(null);if (session != null) {session.close();}}/***  return session factory**/public static org.hibernate.SessionFactory getSessionFactory() {return sessionFactory;}/***  return hibernate configuration**/public static Configuration getConfiguration() {return configuration;}}

AbstractUser.java

package vo;/*** AbstractUser entity provides the base persistence definition of the User* entity. @author MyEclipse Persistence Tools*/public abstract class AbstractUser implements java.io.Serializable {// Fieldsprivate Integer id;private String username;private String password;private String role;// Constructors/** default constructor */public AbstractUser() {}/** full constructor */public AbstractUser(String username, String password,String role) {this.username = username;this.password = password;this.role=role;}// Property accessorspublic Integer getId() {return this.id;}public void setId(Integer 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 getRole() {return role;}public void setRole(String role) {this.role = role;}
}

BaseHibernateDAO.java

package vo;import org.hibernate.Session;
import util.HibernateSessionFactory;/*** Data access object (DAO) for domain model* @author MyEclipse Persistence Tools*/
public class BaseHibernateDAO implements IBaseHibernateDAO {public Session getSession() {return HibernateSessionFactory.getSession();}}

IBaseHibernateDAO.java

package vo;import org.hibernate.Session;/*** Data access interface for domain model* @author MyEclipse Persistence Tools*/
public interface IBaseHibernateDAO {public Session getSession();
}

User.java

package vo;/*** User entity. @author MyEclipse Persistence Tools*/
public class User extends AbstractUser implements java.io.Serializable {// Constructors/** default constructor */public User() {}/** full constructor */public User(String username, String password,String role) {super(username, password,role);}}

UserDAO.java

package vo;import java.util.Iterator;
import java.util.List;import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;import util.HibernateSessionFactory;/*** A data access object (DAO) providing persistence and search support for User* entities. Transaction control of the save(), update() and delete() operations* can directly support Spring container-managed transactions or they can be* augmented to handle user-managed Spring transactions. Each of these methods* provides additional information for how to configure it for the desired type* of transaction control.* * @see vo.User* @author MyEclipse Persistence Tools*/
public class UserDAO extends BaseHibernateDAO {private static final Logger log = LoggerFactory.getLogger(UserDAO.class);// property constantspublic static final String USERNAME = "username";public static final String PASSWORD = "password";/*** @param username* @return 检查用户名是否存在*/public User selectRegist(String username){try{Session session=getSession();Query query=session.createQuery("from User where username=?");query.setParameter(1, username);List list=query.list();User user = null;Iterator it=list.iterator();while(it.hasNext()){user=(User)it.next();System.out.println(user.getUsername());}return user;}catch(Exception e){e.printStackTrace();return null;}}/*** @param username* @param password* @return 登陆检查用户名和密码，确认身份*/public User LoginCheck(String username,String password,String role){System.out.println("this is LoginCheck method !");log.debug("LoginChecking User instance");try {Session session = getSession();/*Transaction tran = session.beginTransaction();*/Query queryObject = session.createQuery("from User where username=? and password=? and role=?");System.out.println("pass1");queryObject.setString(0, username);queryObject.setString(1,password);queryObject.setString(2, role);List list=queryObject.list();/*tran.commit();*/System.out.println("pass2");User user = null;Iterator it=list.iterator();while(it.hasNext()){user=(User)it.next();//System.out.println(user.getUsername());}return user;} catch (RuntimeException re) {log.error("find by property name failed", re);throw re;}       }/*** @param user* 进行注册，向数据库插入数据*/public void saveRegist(User user){Session session = null ;Transaction tx=null;try{session = getSession();tx=session.beginTransaction();session.save(user);tx.commit();}catch(Exception e){e.printStackTrace();System.out.println("提交数据出错了");if(tx!=null)tx.rollback();}finally{session.close();}}
}

User.hbm.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<!-- Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping><class name="vo.User" table="user" catalog="bookmanage"><id name="id" type="java.lang.Integer"><column name="Id" /><generator class="identity" /></id><property name="username" type="java.lang.String"><column name="username" not-null="true" /></property><property name="password" type="java.lang.String"><column name="password" not-null="true" /></property><property name="role" type="java.lang.String"><column name="role" not-null="true" /></property></class>
</hibernate-mapping>

hibernate.cfg.xml

<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC"-//Hibernate/Hibernate Configuration DTD 3.0//EN""http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<!-- Generated by MyEclipse Hibernate Tools.                   -->
<hibernate-configuration><session-factory><property name="dialect">org.hibernate.dialect.MySQLDialect</property><property name="connection.url">jdbc:mysql://localhost:3306/bookManage</property><property name="connection.username">root</property><property name="connection.password">1011</property><property name="connection.driver_class">com.mysql.jdbc.Driver</property><property name="myeclipse.connection.profile">bookDriver</property><mapping resource="vo/User.hbm.xml" /></session-factory></hibernate-configuration>

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="mypackage" extends="struts-default" namespace="/">
<action name="login" class="action.LoginAction"><result name="success">/success.jsp</result><result name="error">/error.jsp</result><result name="admin">/admin.jsp</result><result name="input">/index.jsp</result>
</action>
<action name="regist" class="action.RegistAction"><result name="success">/success.jsp</result><result name="error">/error.jsp</result><result name="input">/regist.jsp</result>
</action>
</package>
</struts>

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><title>login</title></head><body><s:form action="login" method="post"><s:radio list="#{'1':'admin','0':'user' }" name="user.role" label="role" value="0" /><s:textfield name="user.username" label="用户名"/><s:password name="user.password" label="密码"/><s:submit value="登陆"/><a name="regist" id="loginRegist" href="regist.jsp">regist</a></s:form></body>
</html>

regist.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html><head><title>regist</title></head><body><s:form action="regist"><s:textfield name="user.username" label="用户名"/><s:password name="user.password" label="密码"/><s:password name="repassword" label="确认密码"/><s:submit value="注册"/></s:form></body>
</html>

需要注意的是引入myeclipse自带的struts2和hibernate时，antlr-2.7.7.jar包重复，运行时会报错，本例的用法是直接将struts2的类库导出去，将struts用到的几个jar包铐入工程，放置在/linda/WebRoot/WEB-INF/lib目录下。（如果没有不清楚如何配置struts和hibernate，可以看一下这篇博客：http://blog.csdn.net/weixin_36380516/article/details/53822344）

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Struts2和hibernate框架整合实现简单的注册登陆功能

Struts2和hibernate框架整合实现简单的注册登陆功能

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