SSH整合
SSH整合
最近没怎么手头上没什么事情，不过我感觉也是好事，毕竟一直忙碌刀会钝的。
所有最近收刀，静心磨刀，不为外面的什么各种项目所迷惑。收收心，毕竟磨刀不误砍柴工。总结下Spring整合Struts2和Hibernate。
上篇总结了Spring整合Struts2这次我把Hibernate加了进来，Spring这个非常强大的框架也是真真正正的算得上有个有艺术品位的框架，IOC和AOP完美结合，不仅仅可以用在WEB上面在其他的平台下运用也是非常的广泛。
下面开始做帖代码,这个例子实现了一个登陆和注册模块，用SSH做的一个简单的整合。
第一步建好一个web工程后添加jar包：
然后在WEB-INF下面创建applicationContext.xml用来配置Spring容器：
<?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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-2.5.xsd">
<!-- 注册接口实现类 -->
<bean id="datasource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url"
value="jdbc:mysql://127.0.0.1:3306/test?characterEncoding=utf-8"></property>
<property name="username" value="root"></property>
<property name="password" value="root"></property>
</bean>
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource">
<ref bean="datasource" />
</property>
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">
org.hibernate.dialect.MySQL5Dialect
</prop>
<prop key="hibernate.hbm2ddl.auto">update</prop>
<prop key="hibernate.show_sql">true</prop>
</props>
</property>
<property name="mappingResources">
<list>
<value>/com/zdx/domain/User.hbm.xml</value>
</list>
</property>
</bean>
<bean id="userDao" class="com.zdx.dao.impl.UserDaoImpl">
<property name="sessionFactory">
<ref bean="sessionFactory" />
</property>
</bean>
<bean id="loginAction" class="com.zdx.action.LoginAction">
<property name="service" ref="userService"></property>
</bean>
<bean id="userService" class="com.zdx.service.UserService">
<property name="userDao" ref="userDao"></property>
</bean>
</beans>2.修改web.xml文件：
<?xml version="1.0" encoding="UTF-8"?> <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"> <display-name>Spring_Struts</display-name> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- listener是Servlet的监听器，他可以监听客户端的请求、服务器端的操作等， 通过监听器，可以自动激发一些操作，如监听到在线的数量。当增加一个HttpSession时， 就激发sessionCreated()方法。监听器需要知道application.xml配置文件的位置 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext.xml</param-value> </context-param> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
src下面创建struts.properties:
struts.objectFactory=spring
src下面创建struts.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"
"http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="default" extends="struts-default">
<action name="loginAction_*" class="loginAction" method="{1}">
<result name="success">/success.jsp</result>
<result name="login">/index.jsp</result>
<result name="registerError">/register.jsp</result>
</action>
</package>
</struts>创建User.java:
package com.zdx.domain;
public class User {
private Integer id;
private String name;
private String pwd;
public User() {
// TODO Auto-generated constructor stub
}
//get、set
}配置其hbm.xml如下：
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<hibernate-mapping default-lazy="false">
<class name="com.zdx.domain.User" table="user">
<id name="id">
<generator class="native"></generator>
</id>
<property name="name"></property>
<property name="pwd"></property>
</class>
</hibernate-mapping>然后创建UserDao接口，实现类UserDaoImpl如下：
package com.zdx.dao.impl;
import java.util.List;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.zdx.dao.UserDao;
import com.zdx.domain.User;
public class UserDaoImpl extends HibernateDaoSupport implements UserDao {
@Override
public boolean insert(User user) {
if (this.findByName(user.getName()) == null) {
this.getHibernateTemplate().save(user);
return true;
}
return false;
}
@Override
public User findByName(String name) {
User user = null;
List<User> list = this.getHibernateTemplate().find(
"from User where name=?", name);
if (list.size() > 0) {
user = list.get(0);
}
return user;
}
}业务逻辑类UserService如下：
package com.zdx.service;
import com.zdx.dao.UserDao;
import com.zdx.domain.User;
public class UserService {
private UserDao userDao;
public boolean register(User user){
return this.userDao.insert(user);
}
public User login(User user){
return this.userDao.findByName(user.getName());
}
public UserDao getUserDao() {
return userDao;
}
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
}控制层LoginAction如下：
package com.zdx.action;
import com.opensymphony.xwork2.ActionSupport;
import com.zdx.domain.User;
import com.zdx.service.UserService;
public class LoginAction extends ActionSupport {
private User user;
private UserService service;
@Override
public String execute() throws Exception {
// TODO Auto-generated method stub
return super.execute();
}
public String login() {
User userTmp = service.login(user);
if (userTmp == null) {
return LOGIN;
} else if (this.user.getPwd().equals(userTmp.getPwd())) {
return SUCCESS;
}
return LOGIN;
}
public String register() {
if (service.register(user)) {
return SUCCESS;
} else {
return "registerError";
}
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public UserService getService() {
return service;
}
public void setService(UserService service) {
this.service = service;
}
}源码下载地址：
http://pan.baidu.com/s/1pJHleyR
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