spring与mybatis整合

<!--增加Mybatis-spring依赖-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.3.8</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.7</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.6</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.16</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.2.6</version>
        </dependency>

<!--Mybatis与Spring的整合配置-->
    <!--1. 配置数据源-->
    <bean id="datasource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/imooc_reader?useSSL=false&amp;useUnicode=true&amp;characterEncoding=UTF-8&amp;serverTimezone=Asia/Shanghai&amp;allowPublicKeyRetrieval=true"/>
        <property name="username" value="root"/>
        <property name="password" value="123456"/>
        <!--设置数据库初始连接数-->
        <property name="initialSize" value="5"/>
        <!--设置数据库最大连接数-->
        <property name="maxActive" value="20"/>
    </bean>
    <!--2. 配置SessionFactoryBean-->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="datasource"/>
        <!--需要再resource文件夹下手动创建mappers文件夹-->
        <property name="mapperLocations" value="classpath:mappers/*.xml"/>
        <!--需要再resource文件夹下手动创建mybatis-config.xml文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>
    <!--3. 配置Mapper扫描器-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--手动创建mapper文件夹-->
        <property name="basePackage" value="com.imooc.reader.mapper"/>
    </bean>

<?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>
    <!--启动驼峰转换-->
    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
</configuration>