SSH
一、SSH
SSH就是Struts,Spring,Hibernate的整合。Spring整合Hibernate,Struts整合Spring。
其中,共有39个Jar包需要导入:
struts:2.3.15.3 【13个包】
hibernate : 3.6.10 【9个包】
spring: 3.2.0【基础4+1,AOP4+DB2+测试1+web1+驱动1+连接池1】
还有:
Spring整合Hibernate:spring orm
Struts整合Spring:struts2-spring-plugin-2.3.15.3.jar
二、Spring整合Hibernate
分为有hibernate.cfg.xml和没有hibernate.cfg.xml的两种整合方式。下面学习一下没有hibernate.cfg.xml的整合方式。
步骤1:
首先是在数据库里创建一个user表。
然后在domain包里编写user表对应的user类和user.hbm.xml
/**
*
*/
package com.Lily.domain;
/**
* *
* @author LilyLee
* @date 2017年6月28日
* @time 上午9:59:03
* @Version 1.0
* @email [email protected]
*
*/
public class User {
/*
* create table t_user(
id int primary key auto_increment,
username varchar(50),
password varchar(32),
age int
);
*/
private Integer id;
private String username;
private String password;
private Integer age;
public Integer getId() {
return id;
}
public void setId(Integer 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 Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.Lily.domain.User" table="t_user">
<id name="id">
<generator class="native"></generator>
</id>
<property name="username"></property>
<property name="password"></property>
<property name="age"></property>
</class>
</hibernate-mapping>
步骤2:
编写DAO接口和DAO实现类
【注意】编写实现类dao的时候,需要继承HibernateDaoSupport,因为Hibernate的底层实现需要SessionFactory(而JDBC需要的数据源,这里是不同步的),继承HibernateDaoSupport,自动创建HibernateTemplate模板。
public interface UserDao {
public void save(User user);
}
public class UserDaoImpl extends HibernateDaoSupport implements UserDao {
/* (non-Javadoc)
* @see com.Lily.dao.inter.UserDao#save(com.Lily.domain.User)
*/
@Override
public void save(User user) {
// TODO Auto-generated method stub
this.getHibernateTemplate().save(user);
}
}
步骤3:
编写service接口和service实现类
public interface UserService {
public void register(User user);
}
public class UserServiceImpl implements UserService{
private UserDao userDao;
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
/* (non-Javadoc)
* @see com.Lily.service.inter.UserService#register(com.Lily.domain.User)
*/
@Override
public void register(User user) {
// TODO Auto-generated method stub
userDao.save(user);
}
}
步骤4:
编写applicationContext.xml配置文件
1、配置数据源,这个一般用加载properties文件的方法来做。
2、配置Hibernate的SessionFactory
<propertyname="mappingLocations"value="classpath:com/itheima/domain/*.hbm.xml"></property>
3、配置DAO
dao的class是dao的实现类;
dao的ref是上面的sessionFactory
4、配置Service
service的class是service的实现类;
service的ref是上面的dao
5、配置事务管理
事务管理器的ref也是sessionFactory;
配置事务详情,事务的method name是service实现类的方法名。
6、配置AOP编程
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:property-placeholder location="classpath:JdbcInfo.properties" />
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"></property>
<property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
<property name="user" value="${jdbc.user}"></property>
<property name="password" value="${jdbc.password}"></property>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.current_session_context_class">thread</prop>
</props>
</property>
<property name="mappingLocations" value="classpath:com/Lily/domain/*.hbm.xml"></property>
</bean>
<bean id="userDao" class="com.Lily.dao.impl.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<bean id="userService" class="com.Lily.service.impl.UserServiceImpl">
<property name="userDao" ref="userDao"></property>
</bean>
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager" >
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<tx:method name="register"/>
</tx:attributes>
</tx:advice>
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.Lily.service.inter..*.*(..))"/>
</aop:config>
</beans>
步骤5:
编写log4j.properties
### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### direct messages to file mylog.log ###
log4j.appender.file=org.apache.log4j.FileAppender
log4j.appender.file.File=e\:mylog.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
### set log levels - for more verbose logging change 'info' to 'debug' ###
log4j.rootLogger=info, stdout
步骤6:
编写测试类
使用注解的方式,之前讲Spring整合JUint的时候的那套注解。
/**
*
*/
package com.Lily.Test;
import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import com.Lily.domain.User;
import com.Lily.service.inter.UserService;
/**
* *
* @author LilyLee
* @date 2017年6月28日
* @time 下午4:42:21
* @Version 1.0
* @email [email protected]
*
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations="classpath:applicationContext.xml")
public class testSSH {
@Autowired
private UserService userService;
@Test
public void test() {
User user = new User();
user.setUsername("Lee");
user.setPassword("0312");
user.setAge(18);
userService.register(user);
}
}
三、Struts整合Spring
有两种整合方法,第一种是在Spring中配置action,第二种是由Spring创建action,并按照名称自动注入。
第一种:编写action类,并配置给Spring,Spring注入service。还需要编写struts.xml和web.xml。其中,web.xml需要确定配置文件,配置监听器和配置前端控制前。
第二种:删除Spring中action配置,要求Action类中提供与spring配置文件一致的service名称(以便自动注入),然后配置struts.xml和web.xml。
操作步骤:
步骤1:
首先是在数据库里创建一个user表。
然后在domain包里编写user表对应的user类和user.hbm.xml
/**
*
*/
package com.Lily.dianer.domain;
/**
* *
* @author LilyLee
* @date 2017年6月28日
* @time 上午9:59:03
* @Version 1.0
* @email [email protected]
*
*/
public class User {
/*
* create table t_user(
id int primary key auto_increment,
username varchar(50),
password varchar(32),
age int
);
*/
private Integer id;
private String username;
private String password;
private Integer age;
public Integer getId() {
return id;
}
public void setId(Integer 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 Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.Lily.dianer.domain.User" table="t_user">
<id name="id">
<generator class="native"></generator>
</id>
<property name="username"></property>
<property name="password"></property>
<property name="age"></property>
</class>
</hibernate-mapping>
步骤2:
编写DAO接口和DAO实现类
public interface UserDao {
public void save(User user);
}
public class UserDaoImpl extends HibernateDaoSupport implements UserDao {
/* (non-Javadoc)
* @see com.Lily.dao.inter.UserDao#save(com.Lily.domain.User)
*/
@Override
public void save(User user) {
// TODO Auto-generated method stub
this.getHibernateTemplate().save(user);
}
}
步骤3:
编写Service接口和实现类
public interface UserService {
public void register(User user);
}
public class UserServiceImpl implements UserService{
private UserDao userDao;
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
/* (non-Javadoc)
* @see com.Lily.service.inter.UserService#register(com.Lily.domain.User)
*/
@Override
public void register(User user) {
// TODO Auto-generated method stub
userDao.save(user);
}
}
步骤4:
在web包下编写action类。
注意方法名需要跟Service相同。
/**
*
*/
package com.Lily.dianer.web.action;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.Lily.dianer.domain.User;
import com.Lily.dianer.service.inter.UserService;
import com.Lily.dianer.service.impl.*;
/**
* *
* @author LilyLee
* @date 2017年6月28日
* @time 下午7:37:02
* @Version 1.0
* @email [email protected]
*
*/
public class UserAction extends ActionSupport implements ModelDriven<User> {
//1 封装数据
private User user = new User();
@Override
public User getModel() {
return user;
}
//2 service
private UserService userService;
public void setUserService(UserService userService) {
this.userService = userService;
}
public String register(){
userService.register(user);
return "success";
}
}
步骤5:
编写struts.xml 整合Spring
<?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>
<!-- 开发模式 -->
<constant name="struts.devMode" value="true" />
<package name="default" namespace="/" extends="struts-default">
<!-- 底层自动从spring容器中通过名称获得内容, getBean("userAction") -->
<action name="userAction_*" class="com.Lily.dianer.web.action.UserAction" method="{1}">
<result name="success">/messag.jsp</result>
</action>
</package>
</struts>
步骤6:
两个前端jsp页面
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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>Insert title here</title>
</head>
<body>
<form action="${pageContext.request.contextPath}/userAction_register" method="post">
用户名:<input type="text" name="username"/> <br/>
密码:<input type="password" name="password"/> <br/>
年龄:<input type="text" name="age"/> <br/>
<input type="submit" />
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!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>Insert title here</title>
</head>
<body>
成功
</body>
</html>
步骤7:
编写web.xml
首先是确定Spring xml的位置
然后是配置Spring的监听器
然后是配置Struts的前端控制器.
<?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">
<!-- 1 确定spring xml位置 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!-- 2 spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 3 struts 前端控制器 -->
<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>