SpringMVC、Spring和Hibernate的集成

Spring+SpringMVC需要的jar包：

commons-logging.jar;jstl.jar; standard-1.1.2.jar; com.springsource.org.apache.commons.fileupload-1.2.3.jar;

com.springsource.org.apache.commons.io-1.4.0.jar;spring-aop.3.2.0.RELEASE.jar; spring-aspects.3.2.0.RELEASE.jar;

spring-beans.3.2.0.RELEASE.jar; spring-context.3.2.0.RELEASE.jar; spring-context-support.3.2.0.RELEASE.jar;spring-core.3.2.0.RELEASE.jar;

spring-expression.3.2.0.RELEASE.jar; spring-instrument.3.2.0.RELEASE.jar; spring-instrument-tomcat.3.2.0.RELEASE.jar;

spring-jms.3.2.0.RELEASE.jar;spring-orm.3.2.0.RELEASE.jar; spring-oxm.3.2.0.RELEASE.jar;spring-struts.3.2.0.RELEASE.jar;

spring-test.3.2.0.RELEASE.jar;spring-tx.3.2.0.RELEASE.jar; spring-web.3.2.0.RELEASE.jar;

Hibernate4的jar包：

antlr-2.7.7.jar;dom4j-1.6.1.jar; hibernate-commons-annotations-4.0.4.Final.jar;hibernate-core-4.1.6.Final.jar;

hibernate-jpa-2.1-api-1.0.0.Final.jar;jandex-1.1.0.Final.jar; javassist-3.18.1-GA.jar;jboss-logging-3.1.3.GA.jar;

jboss-logging-annotations-1.2.0.Beta1.jar;jboss-transaction-api_1.2_spec-1.0.0.Final.jar

其他Jar:

aopalliance.jar; mysql-connector-java-5.1.19-bin.jar;

目錄結構圖：

Controller(控制層)、Dao(持久層)、Service(業務邏輯層)三層架構；User實體類；hibernate.cfg.xml用於配置個人的實體類映射關係；applicationContext_edifier.xml用於配置個人的bean；applicationContext-hibernate.xml中配置數據源，SessionFactory，事務以及hibernate中的一些配置選項(由於這裏配置了，所以hibernate配置文件中就不需要陪了)；spring-servletAnnatation.xml用來配置springMVC的。

在配置hibernate時，有兩種方法類配置：

一種是通過hibernate自己配置數據源及其自身的一些配置。

另一種是通過Spring來配置hibernate的一些屬性。

我們下面用的就是第二種使用Spring來配置hibernate。

先來看web.xml配置：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
	<display-name>SpringMVC10</display-name>
	<description>This a description of my SpringMVC10 app made by Eclipse</description>
	 <context-param>	<!-- 要修改listener的路徑需要在context-param中配置如下 -->
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath*:config/applicationContext-hibernate.xml</param-value>
	</context-param>
	<filter><!-- 這個filter是Spring自帶字符編碼過濾器 -->
		<filter-name>encodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<filter>
		<filter-name>hibernateFilter</filter-name>
 		<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
	</filter>
	
	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	
	<filter-mapping>
 		<filter-name>hibernateFilter</filter-name>
 		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	
	<servlet>
		<servlet-name>springMVC</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath*:config/spring-servletAnnotation.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>

	<servlet-mapping>
		<servlet-name>springMVC</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

接下來是Spring的配置文件applicationContext-hibernate.xml：

<?xml version="1.0" encoding="UTF-8"?>
<beans
	xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://www.springframework.org/schema/p"
	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
	
	<!-- 配置數據源 -->
	<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
		<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
		<property name="url" value="jdbc:mysql://localhost:3306/spring_hibernate"></property>
		<property name="username" value="root"></property>
		<property name="password" value="edifier"></property>
	</bean>
	
	<!-- 配置SessionFactory -->
	<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource"></property><!-- 使用上面的數據源 -->
		<property name="hibernateProperties"><!-- 配置hibernate的屬性 -->
			<props>
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.hbm2ddl.auto">update</prop>
				<prop key="hibernate.format_sql">true</prop>
				<prop key="default_schema">springMVCHibernate</prop>
			</props>
		</property>
		<property name="configLocations">
			<list>
				<value><!-- 配置個人的hibernate配置文件 -->
					classpath*:com/edifier/springmvc/hibernate/hibernate.cfg.xml
				</value>
			</list>
		</property>
	</bean>
	
	<!-- 配置事務管理器 -->
	<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory"></property>
	</bean>
	
	<!-- 設置傳播方式,是否懶加載,是否爲抽象類 -->
	<bean id="transactionBase" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean" lazy-init="true" abstract="true">
		<property name="transactionManager" ref="transactionManager"></property>
		<property name="transactionAttributes">
			<props>
				<prop key="add*">PROPAGATION_REQUIRED,-Exception</prop>
				<prop key="update*">PROPAGATION_REQUIRED,-Exception</prop>
				<prop key="delete*">PROPAGATION_REQUIRED,-Exception</prop>
				<prop key="get*">PROPAGATION_NEVER</prop>
			</props>
		</property>
	</bean>
	<!-- 引入個人Spring bean配置文件 -->
	<import resource="../com/edifier/springmvc/spring/applicationContext_edifier.xml"/>
</beans>

然後是SpringMVC配置文件：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"  
 xmlns:context="http://www.springframework.org/schema/context"  
 xmlns:p="http://www.springframework.org/schema/p"  
 xmlns:mvc="http://www.springframework.org/schema/mvc"  
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
 xsi:schemaLocation="http://www.springframework.org/schema/beans  
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
      http://www.springframework.org/schema/context  
      http://www.springframework.org/schema/context/spring-context.xsd  
      http://www.springframework.org/schema/mvc  
      http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
     <!-- 註解掃描包 -->
	<context:component-scan base-package="com.edifier.springmvc.controller"></context:component-scan>
     
     <!-- 開啓註解 -->
	<mvc:annotation-driven/>
     
     <!-- 靜態資源訪問過濾靜態文件，location告訴服務器，訪問/img/目錄的時候直接按照/img/...的格式訪問。
     	因爲在web.xml中寫的是<url-pattern>/</url-pattern>過濾的所有 請求，包括對靜態文件的如jmg,js,css等的請求，
     	所以這裏需要配一個過濾器進行再次過濾-->
	<mvc:resources location="/img/" mapping="/img/**"/>
	<mvc:resources location="/js/" mapping="/js/**"/>
	<mvc:resources location="/css/" mapping="/css/**"/>
     
	<!-- 【配置視圖解析器】 -->
	<bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix" value="/"></property><!-- 視圖的前綴，相當於配置視圖的目錄 -->
		<property name="suffix" value=".jsp"></property><!-- 視圖的後綴，相當於配置視圖的格式如:".jsp" -->
	</bean>
</beans>

接下類是個人的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>
		<mapping class="com.edifier.springmvc.entity.User"/>
	</session-factory>
</hibernate-configuration>

個人的applicationContext_edifier.xml：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"  
 xmlns:context="http://www.springframework.org/schema/context"  
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
 xsi:schemaLocation="http://www.springframework.org/schema/beans  
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
      http://www.springframework.org/schema/context  
      http://www.springframework.org/schema/context/spring-context.xsd">
	<!-- 爲持久類加載sessionFactory -->
	<bean id="userDao" class="com.edifier.springmvc.dao.UserDaoImpl">
		<property name="sessionFactory" ref="sessionFactory"></property>
	</bean>
	<!-- 配置一個基礎業務bean -->
	<bean id="userServiceBase" class="com.edifier.springmvc.service.UserServiceImpl">
		<property name="userDao" ref="userDao"></property>
	</bean>
	<!-- 事務一般放在業務邏輯層而不是dao層,基礎業務bean本身不配置事務,而是另外再配置一個業務bean繼承基礎事務bean-->
	<bean id="userService" parent="transactionBase">
      		<!-- 返回一個基礎了事務的基礎業務bean,這個類繼承讓這個類基礎基礎事務bean-->
		<property name="target" ref="userServiceBase"></property>
	</bean>
</beans>

Controller類：

package com.edifier.springmvc.controller;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import com.edifier.springmvc.entity.User;
import com.edifier.springmvc.service.UserService;

@Controller
@RequestMapping("/user")
public class UserController {

	@Resource(name="userService")
	private UserService userService;
	
	@RequestMapping("/toAddUser")
	public String toAddUser(){
		return "/addUser";//這裏返回的是addUser.jsp視圖
	}
	
	@RequestMapping("/addUser")
	public String addUser(User user){
		userService.addUser(user);
		
		System.out.println(user.toString());
		return "redirect:/user/getAllUser";//重定向到/user/getAllUser
	}
	
	@RequestMapping("/getAllUser")
	public String getAllUser(HttpServletRequest request){
		List<User> userList = userService.getAllUser();
		
		request.setAttribute("userList", userList);
		return "/userManager";
	}
	
	@RequestMapping("/deleteUser")//使用Ajax，故返回值爲void
	public void deleteUser(String id,HttpServletResponse response){
		int uid = Integer.parseInt(id);
		String result = "{\"userName\":\"error\"}";
		if(userService.deleteUser(uid)){
			result = "{\"userName\":\"success\"}";
		}
		
		PrintWriter pw = null;
		response.setContentType("application/json");
		try{
			pw = response.getWriter();
			pw.write(result);
		} catch (IOException e){
			e.printStackTrace();
		}
		
	}
	
	
	@RequestMapping("/getUser")
	public String getUser(int id, HttpServletRequest request){
		User user = userService.getUser(id);
		
		request.setAttribute("user", user);
		return "/editUser";
	}
	
	@RequestMapping("/updateUser")
	public String updateUser(User user, HttpServletRequest request){
		userService.updateUser(user);
		return "redirect:/user/getAllUser";
	}
}

業務層UserServiceImpl：

package com.edifier.springmvc.service;

import java.util.List;

import com.edifier.springmvc.dao.UserDao;
import com.edifier.springmvc.entity.User;

public class UserServiceImpl implements UserService {
	
	private UserDao userDao;

	public void setUserDao(UserDao userDao) {
		this.userDao = userDao;
	}

	@Override
	public void addUser(User user) {
		userDao.addUser(user);
	}

	@Override
	public boolean deleteUser(int id) {
		return userDao.deleteUser(id);
	}

	@Override
	public boolean updateUser(User user) {
		return userDao.updateUser(user);
	}

	@Override
	public List<User> getAllUser() {
		return userDao.getAllUser();
	}

	@Override
	public User getUser(int id) {
		return userDao.getUser(id);
	}

}

持久層UserDaoImpl：

package com.edifier.springmvc.dao;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.SessionFactory;

import com.edifier.springmvc.entity.User;

public class UserDaoImpl implements UserDao {
	//在Hibernate3時這裏用的是HibernateDaoSupport這個類來獲取sessionFactory</span>
	//在Hibernate4中HibernateDaoSupport被去掉了,這裏直接用set/get方法注入sessionFactory即可</span>
	private SessionFactory sessionFactory;

	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	@Override
	public void addUser(User user) {
		sessionFactory.getCurrentSession().save(user);
	}

	@Override
	public boolean deleteUser(int id) {
		String hql = "delete User u where u.id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setInteger(0, id);
		int line = query.executeUpdate();
		boolean result = line>0;
		return result;
	}

	@Override
	public boolean updateUser(User user) {
		String hql = "update User u set u.userName=?, u.age=?, u.sex=? where u.id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setString(0, user.getUserName());
		query.setString(1, user.getAge());
		query.setString(2, user.getSex());
		query.setInteger(3, user.getId());
		int line = query.executeUpdate();
		boolean result = line>0;
		return result;
	}

	@Override
	public List<User> getAllUser() {
		String hql = "from User";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		return query.list();
	}

	@Override
	public User getUser(int id) {
		String hql = "from User u where u.id=?";
		Query query = sessionFactory.getCurrentSession().createQuery(hql);
		query.setInteger(0, id);
		User user = (User) query.uniqueResult();
		return user;
	}
}

實體類User：

package com.edifier.springmvc.entity;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;

@Entity
@Table(name="t_user")
public class User {
	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	private int id;
	@Column(name="userName", length=30, nullable=false, unique=true)
	private String userName;
	@Column(name="age", length=30, nullable=false)
	private String age;
	@Column(name="sex", length=30, nullable=false)
	private String sex;
	
	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 getAge() {
		return age;
	}
	public void setAge(String age) {
		this.age = age;
	}
	public String getSex() {
		return sex;
	}
	public void setSex(String sex) {
		this.sex = sex;
	}
	@Override
	public String toString() {
		return "User [id=" + id + ", userName=" + userName + ", age=" + age
				+ ", sex=" + sex + "]";
	}
	
}

頁面代碼

addUser.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page isELIgnored="false"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>   
    <title>add User page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<script type="text/javascript">
		function addUser(){
			var myaction = document.forms[0];
			myaction.action="../user/addUser";
			myaction.method="post";
			myaction.submit();
		}
	</script>
  </head>
  
  <body>
    <h1>添加用戶</h1>
    <br/>
    <form>
    	姓名：<input type="text" name="userName"/><br/>
    	年齡：<input type="text" name="age"/><br/>
    	性別：<input type="text" name="sex"/><br/>
    	<input type="button" value="添加" οnclick="addUser()">
    </form>
  </body>
</html>

userManager.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page isELIgnored="false"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>User Manager page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<script type="text/javascript" src="../js/jquery_1.8.1.js"></script>
	<script type="text/javascript">
		function deleteUser(id){
			$.get("../user/deleteUser?id="+id,function(data){
				if("success" == data.userName){
					alert("刪除成功");
					window.location.reload();
				}else{
					alert("刪除失敗");
				}
			
			});
		}
	</script>
  </head>
  
  <body>
    <h1>用戶管理</h1>
    <br/>
    <table>
    	<tr>
    		<th>姓名</th>
    		<th>年齡</th>
    		<th>性別</th>
    		<th>編輯</th>
    	</tr>
    	<c:if test="${! empty userList}">
    	<c:forEach var="user" items="${userList}">
    	<tr>
    		<td><c:out value="${user.userName}"></c:out></td>
    		<td><c:out value="${user.age}"></c:out></td>
    		<td><c:out value="${user.sex}"></c:out></td>
    		<td>
    			<button οnclick="deleteUser(${user.id})">刪除</button>
    			<a href="../user/getUser?id=${user.id}">修改</a>
    		</td>
    	 </tr>
    	</c:forEach>
    	</c:if>
    </table>
  </body>
</html>

editUser.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page isELIgnored="false"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>Edit User page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<script type="text/javascript">
		function editUser(){
			var myaction = document.forms[0];
			myaction.action="../user/updateUser";
			myaction.method="post";
			myaction.submit();
		}
	</script>
  </head>
  
  <body>
    <h1>用戶管理</h1>
    <br/>
    <form action="">
    <input type="hidden" name="id" value="${user.id}">
    <table>
    	<tr>
    		<th>姓名</th>
    		<th>年齡</th>
    		<th>性別</th>
    	</tr>
    	<tr> 
    		<td><input type="text" name="userName" value="${user.userName}"></td>
    		<td><input type="text" name="age" value="${user.age}"></td>
    		<td><input type="text" name="sex" value="${user.sex}"></td>
    	 </tr>
    </table>
    <input type="button" value="修改" οnclick="editUser()">
    </form>
  </body>
</html>

index.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'index.jsp' starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
  </head>
  
  <body>
    <a href="user/toAddUser">添加用戶</a>
    <a href="user/getAllUser">查看用戶</a>
  </body>
</html>

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