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
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();
@Override
public 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
<validators>
<field name="user.username">
<field-validator type="requiredstring">
<param name="trim">trueparam>
<message>用户名不能为空message>
field-validator>
field>
<field name="user.password">
<field-validator type="regex">
<param name="expression">param>
<message>密码长度必须在4~8之间message>
field-validator>
field>
validators>
RegistAction-validation.xml
<validators>
<field name="user.username">
<field-validator type="requiredstring">
<param name="trim">trueparam>
<message>用户名不能为空message>
field-validator>
field>
<field name="user.password">
<field-validator type="regex">
<param name="expression">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">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 threadLocal = new ThreadLocal();
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 SessionFactory 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 {
// Fields
private 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 accessors
public 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 constants
public 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
<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
<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">rootproperty>
<property name="connection.password">1011property>
<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
<struts>
<package name="mypackage" extends="struts-default" namespace="/">
<action name="login" class="action.LoginAction">
<result name="success">/success.jspresult>
<result name="error">/error.jspresult>
<result name="admin">/admin.jspresult>
<result name="input">/index.jspresult>
action>
<action name="regist" class="action.RegistAction">
<result name="success">/success.jspresult>
<result name="error">/error.jspresult>
<result name="input">/regist.jspresult>
action>
package>
struts> index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>logintitle>
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">regista>
s:form>
body>
html>regist.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>registtitle>
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）