Hibernate3+Struts2简单案例
代码总览
web.xml
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>/xt/register.jsp</welcome-file> </welcome-file-list> </web-app>struts.xml
<?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>
<constant name="struts.devMode" value="true" />
<package name="xt" namespace="/xt" extends="struts-default">
<action name="register" class="com.itlwc.action.Register">
<result name="success">/xt/registerSuccess.jsp</result>
</action>
</package>
</struts>hibernate.cfg.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>
<!--
Hibernate连接SqlServer2000数据库需要注意的问题
必须通过jTDS驱动连接
下载地址：http://sourceforge.net/projects/jtds/files/jtds/
-->
<property name="connection.url">jdbc:jtds:sqlserver://localhost:1433;DatabaseName=itlwc</property>
<property name="connection.username">sa</property>
<property name="connection.password">sa</property>
<property name="connection.driver_class">net.sourceforge.jtds.jdbc.Driver</property>
<property name="dialect">org.hibernate.dialect.SQLServerDialect</property>
<property name="show_sql">true</property>
<mapping resource="Student_hbm.xml"/>
</session-factory>
</hibernate-configuration>student_hbm.xml
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.itlwc.entity.Student" table="d_student">
<id name="id" column="id" type="int">
<generator class="increment"></generator>
</id>
<property name="username" column="username" type="string"></property>
<property name="password" column="password" type="string"></property>
<property name="age" column="age" type="int"></property>
<property name="date" column="data" type="date"></property>
</class>
</hibernate-mapping>
register.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<html>
<head>
<base href="<%=basePath%>">
<script type="text/javascript">
function doSubmit(){
registerForm.action="<%=basePath%>xt/register";
registerForm.submit();
}
</script>
</head>
<body>
<form name="registerForm" method="post">
<table>
<tr>
<td>账号:</td>
<td><input type="text" name='username'/></td>
</tr>
<tr>
<td>密码:</td>
<td><input type="text" name='password'/></td>
</tr>
<tr>
<td>年龄:</td>
<td><input type="text" name='age'/></td>
</tr>
<tr>
<td colspan="2"><input type="button" value="注册" onclick="doSubmit()"/></td>
</tr>
</table>
</form>
</body>
</html>
Register.java
package com.itlwc.action;
import java.sql.Date;
import com.itlwc.entity.Student;
import com.itlwc.service.StudentService;
import com.itlwc.serviceImp.StudentServiceImp;
import com.opensymphony.xwork2.ActionSupport;
public class Register extends ActionSupport {
private static final long serialVersionUID = 1L;
private String username;
private String password;
private int age;
private Date date;
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 int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
@Override
public String execute() throws Exception {
Student stu = new Student();
stu.setUsername(username);
stu.setPassword(password);
stu.setAge(age);
java.sql.Date date = new java.sql.Date(new java.util.Date().getTime());
stu.setDate(date);
StudentService ss = new StudentServiceImp();
ss.saveStudent(stu);
return SUCCESS;
}
}
Student.java
package com.itlwc.entity;
import java.sql.Date;
public class Student {
private int id;
private String username;
private String password;
private int age;
private Date date;
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 int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
}
StudentDao.java
package com.itlwc.dao;
import com.itlwc.entity.Student;
public interface StudentDao {
public void saveStudent(Student stu);
}StudentDaoImp.java
package com.itlwc.daoImp;
import org.hibernate.Session;
import org.hibernate.Transaction;
import com.itlwc.dao.StudentDao;
import com.itlwc.entity.Student;
import com.itlwc.utils.HibernateUtils;
public class StudentDaoImp implements StudentDao {
public void saveStudent(Student stu) {
Session session = HibernateUtils.openSession();
Transaction tx = session.beginTransaction();
try {
session.save(stu);
tx.commit();
} catch (Exception e) {
if (null != tx) {
tx.rollback();
}
} finally {
HibernateUtils.closeSession(session);
}
}
}StudentService.java
package com.itlwc.service;
import com.itlwc.entity.Student;
public interface StudentService {
public void saveStudent(Student stu);
}StudentServiceImp.java
package com.itlwc.serviceImp;
import com.itlwc.dao.StudentDao;
import com.itlwc.daoImp.StudentDaoImp;
import com.itlwc.entity.Student;
import com.itlwc.service.StudentService;
public class StudentServiceImp implements StudentService {
public void saveStudent(Student stu) {
StudentDao studentDao = new StudentDaoImp();
studentDao.saveStudent(stu);
}
}HibernateUtils.java
package com.itlwc.utils;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
public class HibernateUtils {
private static SessionFactory sessionFactory;
static {
sessionFactory = new Configuration().configure().buildSessionFactory();
}
public static Session openSession() {
Session session = sessionFactory.openSession();
return session;
}
public static void closeSession(Session session) {
if (null != session) {
session.close();
}
}
}