1.新建Maven项目，先把src删除（目的是不用重复多建项目），然后添加框架支持

2. 配置Tomcat，注意：要添加lib里面的依赖
   
   3.配置pom.xml文件，web.xml,application.xml,mapper.xml
   
   4.具体的细节配置：
   pom.xml:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com</groupId><artifactId>SpringMVC整合Mybatis</artifactId><packaging>pom</packaging><version>1.0-SNAPSHOT</version><modules><module>SSM1</module></modules><dependencies><dependency><groupId>javax.servlet.jsp</groupId><artifactId>jsp-api</artifactId><version>2.2</version></dependency><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>4.0.1</version><scope>provided</scope></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.2.6.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>5.2.6.RELEASE</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>5.2.6.RELEASE</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis</artifactId><version>3.5.0</version></dependency><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId><version>5.1.47</version></dependency><dependency><groupId>org.mybatis</groupId><artifactId>mybatis-spring</artifactId><version>2.0.3</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-jdbc</artifactId><version>5.2.6.RELEASE</version></dependency><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.13</version></dependency><dependency><groupId>org.apache.commons</groupId><artifactId>commons-dbcp2</artifactId><version>2.7.0</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>5.2.6.RELEASE</version></dependency><dependency><groupId>com.fasterxml.jackson.core</groupId><artifactId>jackson-databind</artifactId><version>2.10.0</version></dependency><dependency><groupId>commons-fileupload</groupId><artifactId>commons-fileupload</artifactId><version>1.3.3</version></dependency><dependency><groupId>com.github.pagehelper</groupId><artifactId>pagehelper</artifactId><version>4.0.0</version></dependency><dependency><groupId>commons-io</groupId><artifactId>commons-io</artifactId><version>2.6</version></dependency><!-- https://mvnrepository.com/artifact/org.webjars.bower/sweetalert --><dependency><groupId>org.webjars.bower</groupId><artifactId>sweetalert</artifactId><version>2.0.3</version></dependency><!-- https://mvnrepository.com/artifact/javax.servlet/jstl --><dependency><groupId>javax.servlet</groupId><artifactId>jstl</artifactId><version>1.2</version></dependency></dependencies></project>

web.xml:

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"version="4.0"><!-- 项目启时的监听器 --><listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class></listener><!-- 项目启动时传参到监听器中 --><context-param><param-name>contextConfigLocation</param-name><param-value>classpath*:application*.xml</param-value></context-param><servlet><servlet-name>example</servlet-name><servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class><init-param><param-name>contextConfigLocation</param-name><param-value>classpath*:application*.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>example</servlet-name><url-pattern>/</url-pattern></servlet-mapping>
</web-app>

application.xml:

<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:mybatis-spring="http://mybatis.org/schema/mybatis-spring"xmlns:tx="http://www.springframework.org/schema/tx"xmlns:mvc="http://www.springframework.org/schema/mvc"xsi:schemaLocation="http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.xsdhttp://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsdhttp://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsdhttp://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"><!-- 开启自己扫描功能 --><context:component-scan base-package="com"></context:component-scan><mvc:annotation-driven></mvc:annotation-driven><bean id="viewResolver"	class="org.springframework.web.servlet.view.UrlBasedViewResolver"><property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /><property name="prefix" value="/WEB-INF/jsp/" /><property name="suffix" value=".jsp" /></bean><!-- 配置数据源 --><bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource"><property name="driverClassName" value="com.mysql.jdbc.Driver"></property><property name="url" value="jdbc:mysql://localhost:3306/mynewtable"></property><property name="username" value="root"></property><property name="password" value="tian1191132442"></property><property name="initialSize" value="2"></property></bean><!-- 创建SqlSession工厂(Spring与MyBatis整合,需要mybatis-spring.jar) --><bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource"></property><property name="mapperLocations" value="classpath*:com/mapper/MyNewTableMapper.xml"></property><property name="typeAliasesPackage" value="com.vo"></property></bean><!-- 开启扫描接口 --><mybatis-spring:scan base-package="com.dao"/><!-- 配置事务管理器 --><bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"></property></bean><!-- 开启事务扫描 --><tx:annotation-driven /><!--<mvc:resources location="/WEB-INF/html/" mapping="/html/**"></mvc:resources><mvc:resources location="/WEB-INF/js/" mapping="/js/**"></mvc:resources><mvc:resources location="/WEB-INF/css/" mapping="/css/**"></mvc:resources><mvc:resources location="/WEB-INF/images/" mapping="/images/**"></mvc:resources>-->
</beans>

mapper.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.dao.MyNewTableDao"><select id="queryAll" resultType="MyNewTable">select * from mynewtable</select><insert id="save" parameterType="MyNewTable">insert mynewtable values(#{id},#{name},#{age},#{sex})</insert><update id="update" parameterType="MyNewTable">update mynewtable set id=#{id},name=#{name},age=#{age},sex=#{sex} where id=#{id}	</update><select id="queryId" parameterType="int" resultType="MyNewTable">select * from mynewtable where id=#{id}</select>
</mapper>