Spring4.2.6+SpringMVC4.2.6+MyBatis3.4.0 整合

package com.mybatis.service;

import com.mybatis.model.Student;

public interface StudentService {
	
	void insertStudent(int id, String username);
	public Student getStudentById(int Id);  
}

package com.mybatis.serviceImpl;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.mybatis.dao.StudentMapper;
import com.mybatis.model.Student;
import com.mybatis.service.StudentService;

@Service
public class StudentServiceImpl implements StudentService{
	
	@Autowired
	private StudentMapper studentMapper;
	
	@Override
	public void insertStudent(int id, String username) {
		Student stu = new Student(id, username);
	}

	@Override
	public Student getStudentById(int id) {
		return studentMapper.selectByPrimaryKey(id);
	}
}

<?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.xsd
	http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
	http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
	http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

	<context:component-scan base-package="com.mybatis" />
	 
	 <!-- 引入 jdbc 配置文件 -->
	 <bean id="propertyConfigurer"  
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">  
        <property name="location" value="classpath:jdbc.properties" />  
    </bean>  
    
	<bean id="dataSource"
		class="org.apache.commons.dbcp2.BasicDataSource" destroy-method="close"> 
		<property name="driverClassName" value="${driver}" />
		<property name="url" value="${url}" />
		<property name="username" value="${username}" />
		<property name="password" value="${password}" />
		 <!-- 初始化连接大小 -->  
        <property name="initialSize" value="${initialSize}" />  
        <!-- 连接池最大数量 -->  
        <property name="maxTotal" value="${maxTotal}" />  
        <!-- 连接池最大空闲 -->  
        <property name="maxIdle" value="${maxIdle}" />  
        <!-- 连接池最小空闲 -->  
        <property name="minIdle" value="${minIdle}" />  
        <!-- 获取连接最大等待时间 -->  
        <property name="maxWaitMillis" value="${maxWait}" />  
	</bean>

 	<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 --> 
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="dataSource" />
		<!-- 自动扫描mapping.xml文件 -->  
        <property name="mapperLocations" value="classpath:com/mybatis/orm/*.xml" /> 
	</bean>
	
	 <!-- DAO接口所在包名，Spring会自动查找其下的类 --> 
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="com.mybatis.dao" />
		<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />  
	</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>
</beans>

package com.mybatis.test;

import javax.annotation.Resource;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.mybatis.model.Student;
import com.mybatis.service.StudentService;

@RunWith(SpringJUnit4ClassRunner.class) //表示继承了SpringJUnit4ClassRunner类  
@ContextConfiguration(locations = {"classpath:spring-mybatis.xml"})  
  
public class TestMyBatis {  

	@Resource  
    private StudentService studentService;  
  
    @Test  
    public void test1() {  
        Student stu =  studentService.getStudentById(1); 
        System.out.println(" the name is " + stu.getName());  
    }  
}  

<?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"  
    xmlns:mvc="http://www.springframework.org/schema/mvc"  
    xsi:schemaLocation="http://www.springframework.org/schema/beans    
                        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd    
                        http://www.springframework.org/schema/context    
                        http://www.springframework.org/schema/context/spring-context-3.1.xsd    
                        http://www.springframework.org/schema/mvc    
                        http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">  
    <!-- 自动扫描该包，使SpringMVC认为包下用了@controller注解的类是控制器 -->  
    <context:component-scan base-package="com.mybatis.controller" />  
   
    <!--避免IE执行AJAX时，返回JSON出现下载文件 -->  
    <bean id="mappingJacksonHttpMessageConverter"  
        class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">  
        <property name="supportedMediaTypes">  
            <list>  
                <value>text/html;charset=UTF-8</value>  
            </list>  
        </property>  
    </bean>  
   
    <!-- 启动SpringMVC的注解功能，完成请求和注解POJO的映射 -->  
    <bean  
        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">  
        <property name="messageConverters">  
            <list>  
                <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->  
            </list>  
        </property>  
    </bean>  
   
	<!-- 定义跳转的文件的前后缀 ，视图模式配置-->  
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">  
        <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀，变成一个 可用的url地址 -->  
        <property name="prefix" value="/WEB-INF/view/" />  
        <property name="suffix" value=".jsp" />  
    </bean>  
      
    <!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->  
    <bean id="multipartResolver"    
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver">    
        <!-- 默认编码 -->  
        <property name="defaultEncoding" value="utf-8" />    
        <!-- 文件大小最大值 -->  
        <property name="maxUploadSize" value="10485760000" />    
        <!-- 内存中的最大值 -->  
        <property name="maxInMemorySize" value="40960" />    
    </bean>   
  
</beans>  

<?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"
	version="3.0">
	
	<display-name>MyBatis SpringMVC Integration</display-name>
	
	<!-- Spring和mybatis的配置文件 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:spring-mybatis.xml</param-value>
	</context-param>
	
	<!-- 编码过滤器 -->
	<filter>
		<filter-name>encodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<async-supported>true</async-supported>
		<init-param>
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	
	<!-- Spring监听器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	
	<!-- 防止Spring内存溢出监听器 -->
	<listener>
		<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
	</listener>

	<!-- Spring MVC servlet -->
	<servlet>
		<servlet-name>SpringMVC</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:/spring-mvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
		<async-supported>true</async-supported>
	</servlet>
	<servlet-mapping>
		<servlet-name>SpringMVC</servlet-name>
		<!-- 此处可以可以配置成*.do，对应struts的后缀习惯 -->
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	<welcome-file-list>
		<welcome-file>/index.jsp</welcome-file>
	</welcome-file-list>

</web-app>