基于全注解的Spring3.1 mvc、myBatis3.1、Mysql的轻量级项目Demo（转） -

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基于全注解的Spring3.1 mvc、myBatis3.1、Mysql的轻量级项目Demo（转）

博客分类：

Spring

Spring3mvc myBatis rest

转：http://my.oschina.net/matol/blog/104152

基于REST风格的Spring3 MVC资源映射编程模型，编写的Code真的很优雅。那是相当的惊喜，编程之美。

MyEclipse项目清单

清单1. 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">
	
	<display-name>mySpring3 and myBatis3 Project</display-name>  
  
    <!-- 配置文件位置，默认为/WEB-INF/applicationContext.xml -->  
    <context-param>  
        <param-name>contextConfigLocation</param-name>  
        <param-value>classpath:applicationContext.xml</param-value>  
    </context-param>  
  
    <!-- 字符集过滤器 -->  
    <filter>  
        <filter-name>characterEncodingFilter</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>characterEncodingFilter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>  
      
    <!-- 上下文Spring监听器 -->  
    <listener>  
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
    </listener>  
      
    <!-- servlet控制跳转 -->  
    <servlet>  
        <servlet-name>spring3</servlet-name>  
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>  
        <!-- 配置文件 -->  
        <init-param>  
            <param-name>contextConfigLocation</param-name>  
            <param-value>classpath:context-dispatcher.xml</param-value>  
        </init-param>  
    </servlet>  
    <servlet-mapping>  
        <servlet-name>spring3</servlet-name>  
        <url-pattern>/</url-pattern>  
    </servlet-mapping>  
    
    <!-- 激活静态资源的默认配置,解决Rest风格兼容 -->
	<servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.css</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.js</url-pattern>
    </servlet-mapping>     
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.gif</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>*.jpg</url-pattern>
    </servlet-mapping>
    	
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

清单2. 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:p="http://www.springframework.org/schema/p"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/tx
       http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
       http://www.springframework.org/schema/aop
       http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-2.5.xsd"
       default-init-method="init">    
    
 	<!-- 引入jdbc配置文件 -->
	<context:property-placeholder location="classpath:jdbc.properties" />
	<!--创建jdbc数据源 -->
	<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
		<property name="driverClassName" value="${driver}" />
		<property name="url" value="${url}" />
		<property name="username" value="${username}" />
		<property name="password" value="${password}" />
	</bean>

	<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource" />
	</bean>

	<!-- 创建SqlSessionFactory，同时指定数据源 -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="configLocation" value="classpath:mybatis.cfg.xml"></property>
		<property name="dataSource" ref="dataSource" />
	</bean>

	<!-- 可通过注解控制事务 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
	
	<!-- 配置事务的传播特性 -->
	<!-- 
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>
			<tx:method name="create*" propagation="REQUIRED" />
			<tx:method name="modify*" propagation="REQUIRED" />
			<tx:method name="delete*" propagation="REQUIRED" />
			
			<tx:method name="*" read-only="true" />
		</tx:attributes>
	</tx:advice>
	 -->
	<!-- 配置事务的切入点 -->
	<!-- 
	<aop:config>
		<aop:pointcut id="targetMethod" expression="execution(* com.matol.service.*.*(..))" />
		<aop:advisor advice-ref="txAdvice" pointcut-ref="targetMethod" />
	</aop:config>
	 -->
	
	<!-- Mapper接口所在包名，Spring会自动查找其下的Mapper -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.matol.mapper" />
	</bean>
	<!-- 负责注册JSR-250 的注释生效 @Resource MapperScannerConfigurer配置会自动启用mapper注解,可省略当前配置
	<bean class="org.springframework.context.annotation.CommonAnnotationBeanPostProcessor"/>
	-->
	
</beans>

清单3. context-dispatcher.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans default-lazy-init="true"
	xmlns="http://www.springframework.org/schema/beans"
	xmlns:p="http://www.springframework.org/schema/p"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop"	
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xmlns:mvc="http://www.springframework.org/schema/mvc"
	xsi:schemaLocation="  
       http://www.springframework.org/schema/beans   
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  
       http://www.springframework.org/schema/mvc   
       http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd   
       http://www.springframework.org/schema/context  
       http://www.springframework.org/schema/context/spring-context-3.0.xsd">
	
	<!-- 通过注解，把URL映射到Controller上，该标签默认注册DefaultAnnotationHandlerMapping和AnnotationMethodHandlerAdapter -->
	<mvc:annotation-driven />
	<!--  annotation默认的方法映射适配器  mvc:annotation-driven注册后可以省略当前配置
    <bean id="handlerMapping" class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
    <bean id="handlerAdapter" class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
	-->
	
	<!-- 探测注解的包，包括子集， 在JUnit测试的时候需要 --> <!-- 自动扫描bean，把作了注解的类转换为bean --> 
	<context:component-scan base-package="com.matol" />
 	<!-- 加载组装所以配置文件 context:component-scan注册后可以省略当前配置
    <context:annotation-config/>
	-->
	
	<!-- 视图解析器 -->
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<!-- 使用JSP页面进行输出 -->
		<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
		<!-- 指定了表示层的前缀 --> <!-- 这个配置是配置JSP页面的位置，按照你自己的配置来配 -->
		<property name="prefix" value="/" />
		<!-- 指定了表示层的后缀 -->
		<property name="suffix" value=".jsp"></property>
	</bean>
	
	<!-- 处理文件上传处理 -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver" p:defaultEncoding="UTF-8" />
</beans>

清单4. jdbc.properties

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/matolDB
username=root
password=root

清单5. mybatis.cfg.xml

<?xml version="1.0" encoding="UTF-8" ?>  
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD  Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
  
<configuration>  
    <typeAliases>  
        <typeAlias alias="Student" type="com.matol.entity.User" />  
    </typeAliases>  
      
    <mappers>  
        <mapper resource="com/matol/mapper/UserMapper.xml" />  
    </mappers>  
</configuration>

清单6. matolDB.sql

/*
Navicat MySQL Data Transfer

Source Server         : localhost
Source Server Version : 50141
Source Host           : localhost:3306
Source Database       : matoldb

Target Server Type    : MYSQL
Target Server Version : 50141
File Encoding         : 65001

Date: 2013-01-23 16:47:52
*/

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `sys_user`
-- ----------------------------
DROP TABLE IF EXISTS `sys_user`;
CREATE TABLE `sys_user` (
  `id` int(11) unsigned zerofill NOT NULL AUTO_INCREMENT,
  `name` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
  `pass` varchar(100) COLLATE utf8_unicode_ci DEFAULT NULL,
  `age` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=0 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;

清单7. User.java

package com.matol.entity;

import java.io.Serializable;

import org.springframework.stereotype.Repository;

/** 
 *  
 * @author matol 
 * @date 2013-01-23 16:38 
 */  
@Repository(value = "user") 
public class User implements Serializable {

	private Integer id;
	private String name;
	private String pass;
	private Integer age;
	
	public User(){}
	
	public Integer getId() {
		return id;
	}
	public void setId(Integer id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getPass() {
		return pass;
	}
	public void setPass(String pass) {
		this.pass = pass;
	}
	public Integer getAge() {
		return age;
	}
	public void setAge(Integer age) {
		this.age = age;
	}
	
	
}

清单8. UserMapper.java

package com.matol.mapper;

import java.util.List;

import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import com.matol.entity.User;

/** 
 *  
 * @author matol 
 * @date 2013-01-23 16:38
 */  
@Repository(value = "userMapper")  
@Transactional 
public interface UserMapper {
	Integer create(User user);
	Integer delete(Integer id);
	Integer modify(User user);
	
	User findById(Integer id);
	User findByUser(User user);
	List<User> findAll();
	List<User> findAll(User user);
	
	Integer count();
}

清单9. UserMapper .xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
         
<mapper namespace="com.matol.mapper.UserMapper">
	<!-- 定义数据库字段与实体对象的映射关系 -->
  	<resultMap type="com.matol.entity.User" id="resultUser">
    	<id property="id" column="id"/>
	    <result property="name" column="name"/>
	    <result property="pass" column="pass"/>
	    <result property="age" column="age"/>
  	</resultMap>
	<!-- 定义参数模型 -->
  	<parameterMap type="com.matol.entity.User" id="paramUser">
	    <parameter property="id"/>
	    <parameter property="name"/>
	    <parameter property="pass"/>
	    <parameter property="age"/>
  	</parameterMap>
   
   
  	<!-- 定义要操纵的SQL语句 --> 
  	<insert id="create" parameterType="com.matol.entity.User" >
	    INSERT INTO sys_user(name,pass,age)
	    VALUES(#{name},#{pass},#{age})
  	</insert>

  	<delete id="delete" parameterType="Integer" >
    	DELETE FROM sys_user
    	WHERE id=#{value}
  	</delete>
  	
  	<update id="modify" parameterType="com.matol.entity.User" >
    	UPDATE sys_user
	    <set>
	       <if test="name != null">name=#{name},</if>
	       <if test="pass != null">pass=#{pass},</if>
	       <if test="age != null">age=#{age},</if>
	    </set>
	    WHERE id=#{id}
  	</update>


  	<select id="findById" parameterType="Integer" resultMap="resultUser">
    	SELECT * FROM sys_user
    	WHERE id=#{value}
  	</select>
  	<select id="findAll" resultType="list" resultMap="resultUser">
    	SELECT * FROM sys_user
  	</select>


  	<select id="count" resultType="Integer">
    	SELECT count(*) FROM sys_user
  	</select>
</mapper>

清单10. UserService.java

package com.matol.service;

import java.util.List;

import org.springframework.stereotype.Repository;

import com.matol.entity.User;

/** 
 *  
 * @author matol 
 * @date 2013-01-23 16:38
 */  
@Repository(value = "userService")
public interface UserService {
	
	Integer create(User user);
	Integer delete(Integer id);
	Integer modify(User user);
	
	User findById(Integer id);
	User findByUser(User user);
	List<User> findAll();
	List<User> findAll(User user);
	
	Integer count();
}

清单11. UserServiceImpl.java

package com.matol.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.stereotype.Repository;

import com.matol.entity.User;
import com.matol.mapper.UserMapper;
import com.matol.service.UserService;
 
/** 
 *  
 * @author matol 
 * @date 2013-01-23 16:38
 */  
@Repository(value = "userServiceImpl")
public class UserServiceImpl implements UserService{
	@Resource(name = "userMapper")
	private UserMapper userMapper;

	public Integer count() {
		return userMapper.count();
	}

	public Integer create(User user) {
		return userMapper.create(user);
	}

	public Integer delete(Integer id) {
		return userMapper.delete(id);
	}

	public List<User> findAll() {
		return userMapper.findAll();
	}

	public List<User> findAll(User user) {
		return userMapper.findAll(user);
	}

	public User findById(Integer id) {
		return userMapper.findById(id);
	}

	public User findByUser(User user) {
		return userMapper.findByUser(user);
	}

	public Integer modify(User user) {
		return userMapper.modify(user);
	}
	
}

清单12. UserController.java

package com.matol.controller;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.matol.entity.User;
import com.matol.service.UserService;

/** 
 *  
 * @author matol 
 * @date 2013-01-23 16:38 
 */  
@Controller  
@RequestMapping(value = "/user")  
public class UserController {  
  
	@Resource(name = "userServiceImpl")
	private UserService userService;


	/** 
     * @author matol 
     * @date 2013-01-23 16:38 
     * @return 
     */  
    @RequestMapping(value = "**/list")  
    public ModelAndView getAllUser(HttpServletRequest request,HttpServletResponse response) throws Exception {  
    	Map<String, Object> map = new HashMap<String, Object>();
    	
    	List<User> result = new ArrayList<User>();
    	result = userService.findAll();
		 
		map.put("result", result);
		return new ModelAndView("/user/list", map);
    } 
	/** 
     * @author matol 
     * @date 2013-01-23 16:38 
     * @return 
     */  
    @RequestMapping(value = "**/list/{id}")  
    public ModelAndView getTheUser(@PathVariable("id") int id){  
    	Map<String, Object> map = new HashMap<String, Object>();
    	
    	List<User> result = new ArrayList<User>();
    	result.add(userService.findById(id));
		map.put("result", result);
		
		return new ModelAndView("/user/list", map);
    }     
    
    
    /** 
     * @author matol 
     * @date 2013-01-23 16:38 
     * @return 
     */  
    @RequestMapping(value = "**/toAdd")  
    public ModelAndView toAddUser(){  
    	return new ModelAndView("/user/adds");
    }     
    /** 
     * @author matol 
     * @date 2013-01-23 16:38 
     * @return 
     */  
    @RequestMapping(value = "**/doAdd")  
    public String addUser(User user){  
    	userService.create(user);

    	Map<String, Object> map = new HashMap<String, Object>();
    	
    	List<User> result = new ArrayList<User>();
    	result = userService.findAll();
		 
		map.put("result", result);
		return "redirect:list";
    }    
  
	/** 
     * @author matol 
     * @date 2013-01-23 16:38
     * @return 
     */  
    @RequestMapping(value = "**/delete/{id}")  
    public String deleteTheUser(@PathVariable("id") int id){  
    	Map<String, Object> map = new HashMap<String, Object>();
    	
    	userService.delete(id);
    	
    	List<User> result = new ArrayList<User>();
    	result = userService.findAll();
		map.put("result", result);
		
		return "redirect:/user/list";
    }  
    
}

清单13. index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
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>
    <title>My JSP 'index.jsp' starting page</title>
  </head>
  
  <body>
		<h3>Spring3.1、MyBatis3.1、MySQL 整合.</h3>
        <a href="user/list">查询所有</a><br/>
        <a href="user/toAdd">添加记录</a><br/>
  </body>
</html>

清单14. list.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Insert title here</title>
</head>
<body>
	<c:forEach items="${result}" var="item">
		<a href="list/${item.id }">${item.name }</a> pass: ${item.pass } --- age: ${item.age } <a href="delete/${item.id }">delete</a><hr/> 
	</c:forEach>
	
	<a href="toAdd">添加记录</a><br/>
</body>
</html>

清单15. adds.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Insert title here</title>
</head>
<body>
	<br/>
    <form action="doAdd" method="post">
    	name:<input type="text" name="name">
    	pass:<input type="text" name="pass">
    	age:<input type="text" name="age">
    	<input type="submit" value="submit">
    </form>
    <br/>
    <a href="list">查询所有</a><br/>
</body>
</html>

lib的jar清单

由于只是一个相对简单的使用范例，所以没有非常标准的注入DAO，以及DAO接口，只是通过Mapper代替过程。不过，道理都是一样，无非就是新添加一层注入而已。

转：http://my.oschina.net/matol/blog/104152

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2013-12-20 17:22
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