我的前一篇博文讲了Spring-3.2.0+Struts2.3.4+JPA2.0整合,其所需的jar包与Spring-3.2.0 +Struts-2.3.4+Hibernate-4.1.6所需的jar包基本相同.下面列出SSH整合所需要的jar包.
如上图所示是Spring-3.2.0 +Struts-2.3.4+Hibernate-4.1.6的jar包,这些jar包在各官网上都有提供下载:
Spring的jar包下载地址:http://www.springsource.org/spring-community-download(需要填写一些信息)
Hibernate的jar包下载地址:http://www.hibernate.org/downloads.html
Struts的jar包下载地址:http://struts.apache.org/download.cgi
注意在jar包整合,由于spring的jar已经相应独立开,还有其它jar也不同,所以要注意相关jar包的版本,不要以为包引多了没关系,jar冲突和版本不同也会导致整合失败.另外用MyEclipse(Eclipse)新建项目时会自动引入J2EE相关的jar包,建议删除,手动引入.
下面使用MySQL做演示:
首先我们在(src)下新建jdbc.properties文件用来配置数据库基本信息,其内容如下:
jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://127.0.0.1:3306/shopping jdbc.username=root jdbc.password=619100
然后我们新建Spring配置文件beans.xml,将其放入在classpath(src)下,其内容如下:
<?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-3.2.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd"> <context:annotation-config/> <!-- 声明Spring要管理的范围 --> <context:component-scan base-package="gd.hz.shopping" /> <!-- 读取jdbc.properties配置文件 --> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="locations"> <value>classpath:jdbc.properties</value> </property> </bean> <bean id="dataSource" destroy-method="close" class="org.apache.commons.dbcp.BasicDataSource"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> </bean> <!-- 创建sessionFactory --> <bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="packagesToScan"> <list> <!-- 需要映射的实体类,指定到实体类所在的包即可 --> <value>gd.hz.shopping.model</value> </list> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.format_sql">true</prop> <prop key="dialect">org.hibernate.dialect.MySQLDialect</prop> <prop key="hibernate.show_sql">true</prop> <prop key="current_session_context_class">thread</prop> <prop key="connection.pool_size">3</prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="javax.persistence.validation.mode">none</prop> <prop key="hibernate.current_session_context_class">org.springframework.orm.hibernate4.SpringSessionContext</prop> </props> </property> </bean> <!-- 开启事务管理 --> <bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager"> <property name="sessionFactory" ref="sessionFactory" /> </bean> <aop:config> <aop:pointcut id="bussinessService" expression="execution(public * gd.hz.shopping.service.*.*(..))" /> <aop:advisor pointcut-ref="bussinessService" advice-ref="txAdvice" /> </aop:config> <!-- 使用声明式事务 --> <tx:advice id="txAdvice" transaction-manager="txManager"> <tx:attributes> <tx:method name="find*" read-only="true" propagation="REQUIRED" /> <tx:method name="save*" propagation="REQUIRED"/> <tx:method name="modify*" propagation="REQUIRED"/> <tx:method name="remove*" propagation="REQUIRED"/> </tx:attributes> </tx:advice> </beans>
新建我们的struts配置文件struts.xml,内容如下:
<?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" /> <constant name="struts.i18n.encoding" value="UTF-8" /> </struts>
然后配置我们的web.xml文件:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" 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_3_0.xsd"> <!-- 加载Spring配置文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:beans.xml</param-value> </context-param> <!-- ContextLoaderListener的作用就是启动Web容器时,自动装配ApplicationContext的配置信息。 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 指定字符集 --> <filter> <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> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 保持session到页面 --> <filter> <filter-name>openSessionInView</filter-name> <filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class> <init-param> <param-name>sessionFactoryBeanName</param-name> <param-value>sessionFactory</param-value> </init-param> </filter> <filter-mapping> <filter-name>openSessionInView</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 声明struts管理请求 --> <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> </web-app>
最后我们做一个示例:
新建实体类:
package gd.hz.shopping.model; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; @Entity public class ProductType { private int productId ; private String name ; @Id @GeneratedValue(strategy=GenerationType.AUTO) public int getProductId() { return productId; } public void setProductId(int productId) { this.productId = productId ; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
新建Dao接口:
package gd.hz.shopping.dao; import gd.hz.shopping.model.ProductType; public interface ProductTypeDao { public ProductType selProductType(int id); }
实现Dao接口:
package gd.hz.shopping.dao.impl; import javax.annotation.Resource; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.springframework.stereotype.Component; import gd.hz.shopping.dao.ProductTypeDao; import gd.hz.shopping.model.ProductType; @Component("productTypeDao") public class ProductTypeDaoImpl implements ProductTypeDao { private SessionFactory sessionFactory = null ; @Resource(name="sessionFactory") public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } @Override public ProductType selProductType(int id) { Session session = sessionFactory.getCurrentSession() ; ProductType productType = (ProductType)session.get(ProductType.class , id); return productType ; } }
Manager层接口:
package gd.hz.shopping.service; import gd.hz.shopping.model.ProductType; public interface ProductTypeMnager { public ProductType findProductType(int id) ; }
Manager层接口实现:
package gd.hz.shopping.service.impl; import javax.annotation.Resource; import org.springframework.stereotype.Component; import gd.hz.shopping.dao.ProductTypeDao; import gd.hz.shopping.model.ProductType; import gd.hz.shopping.service.ProductTypeMnager; @Component("productTypeMnager") public class ProductTypeMnagerImpl implements ProductTypeMnager { private ProductTypeDao productTypeDao = null ; @Resource(name="productTypeDao") public void setProductTypeDao(ProductTypeDao productTypeDao) { this.productTypeDao = productTypeDao; } @Override public ProductType findProductType(int id) { return productTypeDao.selProductType(id) ; } }
新建控制类ProductTypeAction:
package gd.hz.shopping.action; import javax.annotation.Resource; import gd.hz.shopping.model.ProductType; import gd.hz.shopping.service.ProductTypeMnager; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Component; import com.opensymphony.xwork2.ActionSupport; @Component("productTypeAction") @Scope("prototype") public class ProductTypeAction extends ActionSupport { private static final long serialVersionUID = 1L; private ProductTypeMnager productTypeMnager = null ; private ProductType productType = null ; @Resource(name="productTypeMnager") public void setProductTypeMnager(ProductTypeMnager productTypeMnager) { this.productTypeMnager = productTypeMnager; } public ProductType getProductType() { return productType; } public void setProductType(ProductType productType) { this.productType = productType; } public String test() { productType = productTypeMnager.findProductType(1) ; return "test" ; } }
配置struts.xml文件:
<?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" /> <constant name="struts.i18n.encoding" value="UTF-8" /> <package name="productType" namespace="/" extends="OA_default"> <action name="productTypeAction" class="productTypeAction"> <result name="test">/org/add_input.jsp</result> </action> </package> </struts>
启动服务器,然后手动插入测试数据:
insert into ProductType(name) values('lfd');
新建jsp页面:
引入jstl 标签:<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>ssh整合测试</title> </head> <body> <%--使用OGNL表达式--%> Hello:<s:property value="productType.name"/><br> </body> </html>
显示为:
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