SSH 框架整合(maven版本 xml配置方式 連線池c3p0)
如何整合Struts2 Hibernate 和Spring 首先你必須瞭解三個框架是如何獨立執行的:
程式碼下載:http://download.csdn.net/detail/zhanglinlang/9775160
Struts2 是通過在web.xml 中 Filter攔截器來啟動自己的核心類StrutsPrepareAndExecuteFilter,完成事件的分發。
Spring 是通過 在web.xml 註冊監聽器來監聽ContextLoaderListener,監聽web應用的啟動事件來完成自己的框架啟動工作。
Hibernate 是通過建立SessionFactory工廠手動載入配置檔案來完成啟動工作,Hibernate是可以通過程式碼建立SessionFactory,就可以交給Spring通過ioc來控制該類的例項化。
下面就是整合程式碼:目錄結構如下
首先在resource目錄下建立 config目錄方便管理:
首先配置
Hibernate :
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory name="foo">
<!-- 配置 列印sql語句到控制檯 可選 -->
<property name="hibernate.show_sql">true</property>
<property name="hibernate.format_sql">true</property>
<!--
(重要配置)Hibernate自動建表 配置
create:先刪除,再建立
update:如果表不存在就建立,不一樣就更新,一樣就什麼都不做。
create-drop:初始化時建立表,SessionFactory執行close()時刪除表。
validate:驗證表結構是否一致,如果不一致,就拋異常。
-->
<property name="hbm2ddl.auto">update</property>
<!--
設定預設的事務隔離級別:
隔離級別 對應的整數表示
READ UNCOMMITED 1
READ COMMITED 2
REPEATABLE READ 4
SERIALIZEABLE 8
-->
<property name="connection.isolation">4</property>
<!-- 使用二級快取,預設是未開啟的。 -->
<!-- 指定要使用的快取的提供商,這也就開啟了二級快取
<property name="cache.provider_class">org.hibernate.cache.HashtableCacheProvider</property>
<property name="cache.provider_class">org.hibernate.cache.EhCacheProvider</property>
-->
<!-- 開啟使用查詢快取
<property name="cache.use_query_cache">true</property>
-->
<!-- 指定要使用二級快取的實體類
<class-cache usage="read-write" class="cn.itcast.l_second_cache.Employee"/>
<class-cache usage="read-write" class="cn.itcast.l_second_cache.Department"/>
<collection-cache usage="read-write" collection="cn.itcast.l_second_cache.Department.employees"/>
-->
<!-- 匯入對映檔案 -->
<mapping resource="com/zll/entity/User.hbm.xml"/>
<mapping resource="com/zll/entity/Student.hbm.xml"/>
</session-factory>
</hibernate-configuration>
Struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="person" namespace="/" extends="struts-default">
<!-- (測試使用)action的建立交給Spring來管理,這裡的class 只需要填寫spring裡對應action物件的bean的id -->
<action name="userAction" class="userAction" />
</package>
</struts>
Spring.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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<!-- (重要步驟)c3p0連線池配置 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
<property name="jdbcUrl" value="jdbc:mysql:///hibernate?characterEncoding=utf-8"></property>
<property name="user" value="root"></property>
<property name="password" value="root"></property>
</bean>
<!-- (重要步驟)spring整合Hibernate配置,這裡將Hibernate建立sessionFactory的方法交給Spring管理。 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="configLocations" value="classpath:config/hibernate.cfg.xml"></property>
</bean>
<!-- (重要步驟)配置Hibernate 事務 如果不開啟,資料庫是 read_only狀態 -->
<bean id="transactionManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 開啟事務註解 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<!-- 配置Hibernate 的jdbc模板 -->
<bean id="hibernateTemplate" class="org.springframework.orm.hibernate4.HibernateTemplate">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 測試程式碼,通過匯入檔案方式,可以將多個模組分開配置 -->
<import resource="classpath:config/testTemple.xml"/>
</beans>
testTemple.xml(這個不重要,看看如何配置就行)
<?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:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
<!-- 配置測試用的實體類 -->
<bean id="userAction" class="com.zll.action.UserAction" scope="prototype">
<property name="userService" ref="userService"></property>
</bean>
<bean id="userService" class="com.zll.service.UserService">
<property name="userDao" ref="userDaoImp"></property>
</bean>
<bean id="userDaoImp" class="com.zll.dao.UserDaoImp">
<property name="hibernateTemplate" ref="hibernateTemplate"></property>
</bean>
</beans>
最重要的:
web.xml
<!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>Archetype Created Web Application</display-name>
<!-- Spring ContextLoaderListener 配置檔案的設定,如果不配置 預設讀取 WEB-INF下的applicationContext.xml -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:config/spring.xml</param-value>
</context-param>
<!-- (重要配置) 註冊struts的 StrutsPrepareAndExecuteFilter 類,攔截訪問,並根據訪問路徑進行分發 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
<init-param>
<param-name>config</param-name>
<param-value>struts-default.xml,struts-plugin.xml,config/struts.xml</param-value>
</init-param>
</filter>
<!-- 攔截/* 的所有訪問,都會交給 -->
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- (重要配置)Spring 啟動程式碼,註冊監聽器,監聽servlet啟動, -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
</web-app>
最後pom.xml
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.zll</groupId>
<artifactId>sshTest</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>sshTest Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.1.4.RELEASE</spring.version>
<hibernate.version>4.3.8.Final</hibernate.version>
<struts2.version>2.3.20</struts2.version>
<jackson.version>2.5.0</jackson.version>
</properties>
<dependencies>
<!-- junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
<scope>provided</scope>
</dependency>
<!-- 關係型資料庫整合時需配置 如hibernate jpa等 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- hibernate -->
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>${hibernate.version}</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-ehcache</artifactId>
<version>${hibernate.version}</version>
</dependency>
<!-- struts2 -->
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>${struts2.version}</version>
<exclusions>
<exclusion>
<!-- Hibernate已經還有該包的依賴 -->
<artifactId>javassist</artifactId>
<groupId>javassist</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-spring-plugin</artifactId>
<version>${struts2.version}</version>
</dependency>
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-convention-plugin</artifactId>
<version>${struts2.version}</version>
</dependency>
<!-- log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- mysql連線 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.34</version>
</dependency>
<!-- 資料來源 c3p0 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5-pre8</version>
</dependency>
<dependency>
<groupId>com.mchange</groupId>
<artifactId>mchange-commons-java</artifactId>
<version>0.2.12</version>
</dependency>
<!-- json -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson.version}</version>
</dependency>
<!-- aop -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.4</version>
</dependency>
<!-- servlet -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>3.0-alpha-1</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
</dependencies>
<build>
<finalName>spring_struts2_Hibernate_demo</finalName>
<plugins>
<!-- Run the JUnit unit tests in an isolated classloader -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.4.2</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.3</version>
<configuration>
<webXml>src/main/webapp/WEB-INF/web.xml</webXml>
</configuration>
</plugin>
<!-- generate java doc -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>2.9.1</version>
<configuration>
<javadocDirectory>target/javadoc</javadocDirectory>
<reportOutputDirectory>target/javadoc</reportOutputDirectory>
<charset>UTF-8</charset>
<encoding>UTF-8</encoding>
<docencoding>UTF-8</docencoding>
<show>private</show>
</configuration>
</plugin>
<!-- 部署至本機 -->
<plugin>
<groupId>org.codehaus.cargo</groupId>
<artifactId>cargo-maven2-plugin</artifactId>
<version>1.0</version>
<configuration>
<container>
<containerId>tomcat6x</containerId>
<home>F:\apache-tomcat-7.0.27</home>
</container>
<configuration>
<type>existing</type>
<home>F:\apache-tomcat-7.0.27</home>
</configuration>
</configuration>
</plugin>
</plugins>
</build>
</project>
整合細節知識點(瞭解):
Struts2 和 Spring整合:就是將action的建立交由Spring管理。配置檔案中class只需要配置Spring中bean的id就可以。
<action name="userAction" class="SpringBeanId" />
Hibernate和Spring整合:
1、建立連線池的物件交由spring管理
2、Spring提供了SessionFactory的封裝類LocalSessionFactory,配置該類,並將資料來源配置給它。
3、配置Spring的HibernateTemplate,將SessionFactory配置給他。替代session完成資料操作。
4、spring 事務管理配置,替代Hibernate事務管理
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