SpringMVC案例2----基於spring2.5的註解實現
和上一篇一樣，首先看一下項目結構和jar包
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包中的全部的類進行掃描，以完畢bean的創建和自己主動依賴輸入功能 --> <context:component-scan base-package="com.sxt"></context:component-scan> <!-- 啟動springmvc的註解功能，完畢請求和註解POJO的映射 --> <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /> <!-- 對模型視圖名稱的解析，即在模型視圖名稱加入前後綴 --> <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註解 --> <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> <!-- 配置一個JdbcTemplate實例 --> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource"></property> </bean> <!-- 配置事務管理 --> <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開頭的方法不須要在事務中執行。有些情況是沒有必要使用事務的。比方獲取數據。開啟事務本身對性能本身是有一定的影響的 --> <tx:method name="*"/> </tx:attributes> </tx:advice> </beans>
user類
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類
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類
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="註冊 " />
</form>
</body>
</html>
執行測試：
http://localhost:8080/springmvc02/user.do?method=reg&uname=wuhaixu
SpringMVC案例2----基於spring2.5的註解實現