Structs1+spring+Hibernate
Structs 相当于mvc设计模式中V.C,即jsp页面和Servlet;
spring 管理业务逻辑,即Service;
Hibernate 管理DAO,持久层;
首先讲一下Hibernate和spring的整合:
1.加入相关的jar:mysql的 mysql-connector-java-5.1.13-bin.jar;
Hibernate的就不一一列出的(上一篇文章有提到);特别注意的是要导slf4j相关的底层实现包 slf4j-nop-1.5.8.jar
spring的相关jar(spring\reqlib底下所有,spring\spring-framework-3.1.0.RC1-with-docs\spring-framework-3.1.0.RC1\dist底下所有);
2.提供spring的配置文件。applicationContext.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"
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-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<context:annotation-config />
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<context:component-scan base-package="com"></context:component-scan>
</beans>
3.配置数据库连接池。
<?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"
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-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<context:annotation-config />
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<context:component-scan base-package="com"></context:component-scan>
<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://127.0.0.1:3306/mysql" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>
</beans>
此时,写个测试类,测试下。(前提是数据库已存在表格t_user);
package Test;
import java.sql.Connection;
import java.sql.SQLException;
import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class T {
public static void main(String[] args) {
ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
BasicDataSource dataSource = ac.getBean("myDataSource",BasicDataSource.class);
Connection conn;
try {
conn = dataSource.getConnection();
conn.createStatement().executeUpdate("insert into t_user values(null,'arron','1234')");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
4.配置sessionFactory;
<?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"
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-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<context:annotation-config />
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<context:component-scan base-package="com"></context:component-scan>
<!--配置数据库连接池-->
<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://127.0.0.1:3306/mysql" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>
<!--配置sessionFactory-->
<bean id="mySessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="myDataSource"/>
<property name="packagesToScan" value="com.kebin.pojo">
</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>
</bean>
</beans>
配置完成了,写了User pojo类,和测试类,测试下。
User.java
package com.kebin.pojo;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="t_user")
public class User {
private int id;
private String name;
private String password;
@Id
@GeneratedValue
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
T.java
package Test;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.kebin.pojo.User;
public class T {
public static void main(String[] args) {
ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
SessionFactory sf = ac.getBean("mySessionFactory",SessionFactory.class);
Session session = sf.getCurrentSession();
Transaction ts = session.beginTransaction();
ts.begin();
User user = new User();
user.setName("admin");
user.setPassword("123456");
session.save(user);
ts.commit();
}
}
接着往下写业务逻辑层。
UserDao.java
package com.kebin.dao;
import com.kebin.pojo.User;
public interface UserDao {
public void save(User user);
}
UserDaoImpl.java
package com.kebin.dao;
import org.springframework.stereotype.Component;
import com.kebin.pojo.User;
@Component("userDao")
public class UserDaoImpl implements UserDao {
public void save(User user) {
// TODO Auto-generated method stub
}
}
UserService.java
package com.kebin.service;
import com.kebin.pojo.User;
public interface UserService {
public void add(User user);
}
书写一个DaoSupport类继承自HibernateTemplate;
package com.kebin.dao;
import javax.annotation.Resource;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.stereotype.Component;
@Component
public class DaoSupport extends HibernateTemplate {
private SessionFactory sessionFactory;
@Resource(name="mySessionFactory")
public void setSessionFactory(SessionFactory sessionFactory) {
super.setSessionFactory(sessionFactory);
}
}
UserServiceImpl
package com.kebin.service.impl;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.kebin.dao.DaoSupport;
import com.kebin.dao.UserDao;
import com.kebin.pojo.User;
import com.kebin.service.UserService;
@Service("userService")
public class UserServiceImpl extends DaoSupport implements UserService {
private UserDao userDao;
@Resource(name="userDao")
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
public void add(User user) {
this.save(user);
}
}
最后写个测试类T.java,进行测试下。这样hibernate和spring就配置好了。
package Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.kebin.pojo.User;
import com.kebin.service.UserService;
public class T {
public static void main(String[] args) {
ApplicationContext ac = new ClassPathXmlApplicationContext("applicationContext.xml");
UserService userService = ac.getBean("userService",UserService.class);
User user = new User();
user.setName("kebin");
user.setPassword("1111111");
userService.add(user);
}
}
接下来,讲一下Spring 和 Struts 的整合
我这里用的是Struts1,可能很多公司都已经不用了的。
1.导入Struts的包,struts1\struts-1.3.10-all\struts-1.3.10\lib底下所有的包。
(有两个包和hibernate重复了,删除就可以了。commons-logging.jar 和 antlr-2.7.6.jar 留下版本高的);
2.拷入struts-config.xml配置文件;
(将struts-config.xml和applicationContext.xml都放在WEB-INF的底下)
3.书写UserAction.java和index.jsp页面。代码我直接贴出;
UserAction.java
package com.kebin.action;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.DynaActionForm;
import org.apache.struts.actions.DispatchAction;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import com.kebin.pojo.User;
import com.kebin.service.UserService;
@Controller
@Qualifier("/user")
public class UserAction extends DispatchAction {
private UserService userService;
@Resource(name = "userService")
public void setUserService(UserService userService) {
this.userService = userService;
}
public ActionForward execute(ActionMapping mapping, ActionForm form,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
DynaActionForm df = (DynaActionForm) form;
// 配置了注解,直接将userService注入,这段读取的代码就不用了;
// ApplicationContext ac = WebApplicationContextUtils.getRequiredWebApplicationContext(this.getServlet().getServletContext());
// UserService userService = ac.getBean("userService",UserService.class);
User user = new User();
user.setName(df.getString("username"));
user.setPassword(df.getString("password"));
userService.add(user);
return mapping.findForward("success");
}
}
index.jsp
<%@ 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="user.do?command=login" method="post">
username:<input type="text" name="username"/><br>
password:<input type="text" name="password"/><br>
<input type="submit" value="tijiao">
</form>
</body>
</html>
4.配置web.xml;(注意中文乱码的配置);
<?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">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<!-- 配置spring的监听器,用以实现依赖注射 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 配置spring的配置文件的读取路径 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</context-param>
<!-- 借用spring 实现对中文乱码的修改 -->
<filter>
<filter-name>Set Character Encoding</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>Set Character Encoding</filter-name>
<url-pattern>*.do</url-pattern>
</filter-mapping>
<!-- action 的配置 -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
5.配置applicationContext.xml;(这里只要加个bean标签,来代替action-mappings里面的action中type="");
<?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"
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-3.0.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">
<context:annotation-config />
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>
<context:component-scan base-package="com"></context:component-scan>
<!--配置数据库连接池 -->
<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://127.0.0.1:3306/mysql" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>
<!--配置sessionFactory -->
<bean id="mySessionFactory"
class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="myDataSource" />
<property name="packagesToScan" value="com.kebin.pojo">
</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>
</bean>
<!-- 用注解来代替struts-config.xml配置文件中action的type="com.kebin.action.UserAction" -->
<bean name="/user" class="com.kebin.action.UserAction"></bean>
</beans>
6.配置struts-config.xml;
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.3//EN"
"http://struts.apache.org/dtds/struts-config_1_3.dtd">
<struts-config>
<form-beans>
<form-bean name="login" type="org.apache.struts.action.DynaActionForm">
<form-property name="username" type="java.lang.String"></form-property>
<form-property name="password" type="java.lang.String"></form-property>
</form-bean>
</form-beans>
<action-mappings>
<action path="/user" name="login"
parameter="command">
<forward name="success" path="/ok.jsp"></forward>
</action>
</action-mappings>
<!-- 用注解来代替action-mappings配置中action标签对里的type="com.kebin.action.UserAction(此处)" -->
<controller processorClass="org.springframework.web.struts.DelegatingRequestProcessor">
</controller>
<plug-in className="org.springframework.web.struts.ContextLoaderPlugIn">
<set-property property="contextConfigLocation" value="/WEB-INF/applicationContext.xml" />
</plug-in>
</struts-config>
以上给出简单列子的配置,基本的配置已经完成。谢谢各位大牛给出宝贵的评价。
