SpringMVC案例2----基于spring2.5的注解实现

和上一篇一样，首先看一下项目结构和jar包

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web.xml

<?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>springmvc</servlet-name>
		<servlet-class>
			org.springframework.web.servlet.DispatcherServlet
		</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>
				/WEB-INF/hib-config.xml,/WEB-INF/springmvc-servlet.xml
			</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>*.do</url-pattern>
	</servlet-mapping>
</web-app>

springmvc-servlet.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:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    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">
    <!-- 対web包中的全部的类进行扫描，以完毕bean的创建和自己主动依赖输入功能 -->
    <context:component-scan base-package="com.sxt"></context:component-scan>
    <!-- 启动springmvc的注解功能，完毕请求和注解POJO的映射 -->
    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
    <!-- 对模型视图名称的解析，即在模型视图名称加入前后缀 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" >
    	<property name="suffix" value=".jsp"></property>
    </bean>
</beans>

hib-config.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: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-2.5.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-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/context
   http://www.springframework.org/schema/context/spring-context-2.5.xsd
">
<context:component-scan base-package="com.sxt"></context:component-scan>
<!-- 支持aop注解 -->
<aop:aspectj-autoproxy></aop:aspectj-autoproxy>

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
	<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
	<property name="url" value="jdbc:mysql://localhost:3306/crud"></property>
	<property name="username" value="root"></property>
	<property name="password" value="root"></property>
</bean>

<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
	<property name="dataSource">
		<ref bean="dataSource"></ref>
	</property>
	<property name="hibernateProperties">
		<props>
			<prop key="hibernate.dialect">
				org.hibernate.dialect.MySQLDialect
			</prop>
			<prop key="hibernate.show_sql">
				true
			</prop>
			<prop key="hibernate.hbm2ddl.auto">update</prop>
		</props>
	</property>
	<property name="packagesToScan">
		<value>com.sxt.po</value>
	</property>
</bean>

<bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">
	<property name="sessionFactory" ref="sessionFactory"></property>
</bean>

<!-- 配置一个JdbcTemplate实例 -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
	<property name="dataSource" ref="dataSource"></property>
</bean>

<!-- 配置事务管理 -->
<bean id="txManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
	<property name="sessionFactory" ref="sessionFactory"></property>
</bean>

<tx:annotation-driven transaction-manager="txManager"/>
<aop:config>
	<aop:pointcut expression="execution(public * com.sxt.service.impl.*.*(..))" id="businessService"/>
	<aop:advisor advice-ref="txAdvice" pointcut-ref="businessService"/>
</aop:config>
<tx:advice id="txAdvice" transaction-manager="txManager">
	<tx:attributes>
		<tx:method name="find*" read-only="true" propagation="NOT_SUPPORTED"/>
		<!-- get开头的方法不须要在事务中执行。有些情况是没有必要使用事务的。

比方获取数据。开启事务本身对性能本身是有一定的影响的 -->
		<tx:method name="*"/>
	</tx:attributes>
</tx:advice>
</beans>

user类

package com.sxt.po;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

@Entity
public class User {
	private int id ;
	private String name ;
	private String pwd ;
	@Id
	@GeneratedValue(strategy=GenerationType.AUTO)
	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 getPwd() {
		return pwd;
	}
	public void setPwd(String pwd) {
		this.pwd = pwd;
	}

}

userDao类

package com.sxt.dao;

import javax.annotation.Resource;

import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;

import com.sxt.po.User;
@Repository("userDao")
public class UserDao {
	@Resource
	private HibernateTemplate hibernateTemplate ;

	public void add(User u){
		System.out.println("userDao.add()");
		hibernateTemplate.save(u) ;
	}
	public HibernateTemplate getHibernateTemplate() {
		return hibernateTemplate;
	}

	public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
		this.hibernateTemplate = hibernateTemplate;
	}

}

userService类

package com.sxt.service;

import javax.annotation.Resource;

import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import com.sxt.dao.UserDao;
import com.sxt.po.User;
@Service("userService")
public class UserService {
	@Resource
	private UserDao userDao ;
	public void add(String name){
		System.out.println("UserService.add()");
		User u = new User() ;
		u.setName(name) ;
		userDao.add(u) ;
	}
	public UserDao getUserDao() {
		return userDao;
	}
	public void setUserDao(UserDao userDao) {
		this.userDao = userDao;
	}

}

userController

package com.sxt.action;

import javax.annotation.Resource;

import org.springframework.web.bind.annotation.RequestMapping;

import com.sxt.service.UserService;
@org.springframework.stereotype.Controller("userController")
@RequestMapping("/user.do")
public class UserController{
	@Resource
	private UserService userService ;
	@RequestMapping(params="method=reg")
	public String reg(String uname){
		System.out.println("UserController.reg()");
		userService.add(uname) ;
		return "index" ;
	}
	public UserService getUserService() {
		return userService;
	}
	public void setUserService(UserService userService) {
		this.userService = userService;
	}

}

index,jsp

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'index.jsp' starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>

  <body>
  	<h1>********${params.uname}</h1>
  	<h1>********${requestScope.u}</h1>
  	<h1>********${requestScope.user}</h1>
  </body>
</html>

index2.jsp

<%@ page language="java" import="java.util.*" pageEncoding="GB18030"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>My JSP 'index2.jsp' starting page</title>

	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>

  <body>
    <form action="user.do">
    	姓名：<input type="text" name="uname"/><br />
    	<input type="hidden" name="method" value="reg">
    	<input type="submit" value="注冊 " />
    </form>
  </body>
</html>

执行測试：

http://localhost:8080/springmvc02/user.do?method=reg&uname=wuhaixu