搭建工程

<dependencies>
		<!-- SpringMVC -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>3.2.8.RELEASE</version>
		</dependency>

		<!-- Spring-JDBC,要和spring-webmvc的版本一致 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>3.2.8.RELEASE</version>
		</dependency>

		<!-- MyBatis -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.4.6</version>
		</dependency>

		<!-- MyBatis-Spring 整合jar包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.3.2</version>
		</dependency>

		<!-- MySQL驱动jar包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.28</version>
		</dependency>

		<!-- DBCP连接池-->
		<dependency>
			<groupId>commons-dbcp</groupId>
			<artifactId>commons-dbcp</artifactId>
			<version>1.4</version>
		</dependency>

		<!-- 添加jackson，自动转换为JSON数据 -->
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-databind</artifactId>
			<version>2.9.4</version>
		</dependency>

		<!-- 添加jstl标签库 用于jsp页面标签 -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>

		<!-- Junit -->
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.12</version>
		</dependency>

	</dependencies>

url=jdbc:mysql://localhost:3306/tedu_store?useUnicode=true&characterEncoding=utf8 driver=com.mysql.jdbc.Driver user=root password=root initSize=2 maxSize=10​

<!-- 组件扫描 --> <context:component-scan base-package="cn.tedu.store.controller" />  <!-- 配置ViewResolver视图解析器 --> <bean 	class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 	<property name="prefix" value="/web/" /> 	<property name="suffix" value=".jsp" /> </bean>  <!-- 配置驱动，用于@ResponseBody的使用 --> <mvc:annotation-driven></mvc:annotation-driven>  <!-- 其中还需要定义拦截器和其他的配置 -->​

创建一个spring-dao.xml配置文件，用于配置数据库的链接信息
​ <!-- 组件扫描 --><context:component-scan base-package="cn.tedu.store.mapper" /><!-- 加载db.properties,其中定义了数据库的配置信息 --><util:properties id="dbConfig" location="classpath:db.properties" /><!-- 数据源 --><bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">	<property name="url" value="#{dbConfig.url}" />	<property name="driverClassName" value="#{dbConfig.driver}" />	<property name="username" value="#{dbConfig.user}" />	<property name="password" value="#{dbConfig.password}" />	<property name="initialSize" value="#{dbConfig.initSize}" />	<property name="maxActive" value="#{dbConfig.maxSize}" /></bean><!-- 配置MapperScannerConfigurer --><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">	<!-- 用于配置持久层接口在哪里，指定mapper的包，spring会自动为我们创建这个XXXMapper接口的对象，名称为类名首字母小写		-->	<property name="basePackage" value="cn.tedu.store.mapper" /></bean><!-- 配置SqlSessionFactoryBean --> 	<bean class="org.mybatis.spring.SqlSessionFactoryBean"> 		<!-- 用于配置数据库连接池 --> 		<property name="dataSource" ref="dataSource" /> 		<!-- 用于配置持久层映射文件在哪里,所有的xml文件，使用通配符 --> 		<property name="mapperLocations" value="classpath:mappers/*.xml" /> 	</bean> 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN"      
 "http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">
 
 <!-- namespace指定的UserMapper的全类名 -->
 <mapper namespace="cn.tedu.store.mapper.UserMapper">
 
 
 
 
 </mapper>

<!-- 组件扫描 -->
<context:component-scan base-package="cn.tedu.store.service" />

<!-- 配置事务管理器 -->

<!-- 配置中文乱码过滤器 -->
 <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>
	<!-- 针对所有的路径都需要过滤 -->
	<url-pattern>/*</url-pattern>
</filter-mapping>

<!-- 配置前端控制器DispathcerServlet -->
<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-*.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>

<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:jdbc="http://www.springframework.org/schema/jdbc" xmlns:jee="http://www.springframework.org/schema/jee"
	xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:util="http://www.springframework.org/schema/util"
	xmlns:jpa="http://www.springframework.org/schema/data/jpa"
	xsi:schemaLocation="
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
		http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.2.xsd
		http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
		http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
		http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
		http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.2.xsd">
    
    
</beans>

<!DOCTYPE mapper PUBLIC "-//ibatis.apache.org//DTD Mapper 3.0//EN"      
 "http://ibatis.apache.org/dtd/ibatis-3-mapper.dtd">