SSM项目配置bean、整合MyBatis的xml文件（itheima），别诧异，架构怎么越来越倒退了...

别诧异，维护旧项目，新增需求需要了解SSM项目...

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=""xmlns:context=""xmlns:tx=""xmlns:xsi=""xsi:schemaLocation=" .xsd .xsd .xsd"><!--主程序对应的配置文件--><!--开启bean注解扫描--><context:component-scan base-package="com.itheima"><context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/></context:component-scan><!--开启注解式事务--><tx:annotation-driven transaction-manager="txManager"/><!--加载properties文件--><context:property-placeholder location="classpath*:jdbc.properties"/><!--数据源--><bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"><property name="driverClassName" value="${jdbc.driver}"/><property name="url" value="${jdbc.url}"/><property name="username" value="${jdbc.username}"/><property name="password" value="${jdbc.password}"/></bean><!--整合mybatis到spring中--><bean class=&#batis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource"/><property name="typeAliasesPackage" value="com.itheima.domain"/><!--分页插件--><property name="plugins"><array><bean class="com.github.pagehelper.PageInterceptor"><property name="properties"><props><prop key="helperDialect">mysql</prop><prop key="reasonable">true</prop></props></property></bean></array></property></bean><!--映射扫描--><bean class=&#batis.spring.mapper.MapperScannerConfigurer"><property name="basePackage" value="com.itheima.dao"/></bean><!--事务管理器--><bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean></beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=""xmlns:context=""xmlns:mvc=""xmlns:xsi=""xsi:schemaLocation=" .xsd .xsd .xsd"><mvc:annotation-driven/><context:component-scan base-package="ller"/></beans>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=""xmlns:context=""xmlns:tx=""xmlns:xsi=""xsi:schemaLocation=" .xsd .xsd .xsd"><!--开启bean注解扫描--><context:component-scan base-package="com.itheima"/><!--开启注解式事务--><tx:annotation-driven transaction-manager="txManager"/><!--事务管理器--><bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"/></bean></beans>

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns=".0.0"xmlns:xsi=""xsi:schemaLocation=".0.0 .0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.itheima</groupId><artifactId>ssm_service</artifactId><version>1.0-SNAPSHOT</version><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding><mavenpiler.source>1.8</mavenpiler.source><mavenpiler.target>1.8</mavenpiler.target></properties><dependencies><!--导入资源文件dao--><dependency><groupId>com.itheima</groupId><artifactId>ssm_dao</artifactId><version>1.0-SNAPSHOT</version></dependency><!--spring环境--><!--spring环境--><!--spring环境--><dependency><groupId>org.springframework</groupId><artifactId>spring-context</artifactId><version>5.1.9.RELEASE</version></dependency><!--其他组件--><!--其他组件--><!--其他组件--><!--junit单元测试--><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version></dependency><!--spring整合junit--><dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>5.1.9.RELEASE</version></dependency></dependencies></project>