pom.xml文件需要的依赖
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- Spring依赖1:spring-core -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.2.1.RELEASE</version>
</dependency>
<!-- Spring依赖2:spring-beans -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>5.2.1.RELEASE</version>
</dependency>
<!-- Spring依赖3:spring-context -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.2.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.1.RELEASE</version>
</dependency>
<!-- MySQL驱动依赖 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.26</version>
</dependency>
<!-- MyBatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<!-- 3.5.7版本解决JEP-290漏洞 -->
<version>3.5.7</version>
</dependency>
<!-- MyBatis-Spring 依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.6</version>
</dependency>
<!-- alibaba数据库连接池druid依赖 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.2.6</version>
</dependency>
</dependencies>
新建一个spring-mybatis.xml
配置如下:
<!-- 数据库连接池(alibaba数据库连接池Druid) -->
<bean id="druidDataSourceBean" class="com.alibaba.druid.pool.DruidDataSource">
<!-- 基础参数 -->
<property name="driverClassName" value="com.mysql.cj.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/my_db?charset=utf8mb4&useSSL=false&useTimezone=true&serverTimezone=GMT%2B8&allowPublicKeyRetrieval=true"/>
<property name="username" value="数据用户名"/>
<property name="password" value="数据库密码"/>
<!-- 连接池参数 -->
<property name="initialSize" value="10"/><!-- 初始连接数量 -->
<property name="maxActive" value="50"/><!-- 最大活动连接数量 -->
<property name="minIdle" value="20"/><!-- 最少空闲连接数量 -->
</bean>
<!-- SqlSessionFactory -->
<bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入DataSource数据源 -->
<property name="dataSource" ref="druidDataSourceBean"/>
<!-- 注入mybatis的配置文件路径 -->
<property name="configLocation" value="mybatis-config.xml"/>
</bean>
<!-- Mapper扫描器 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入sqlSessionFactory,用于给每个Mapper代理对象创建SqlSession -->
<property name="sqlSessionFactory" ref="sqlSessionFactoryBean"/>
<!-- 注入mapper的所在包名,完成所有Mapper的自动扫描,
创建每个Mapper的代理对象,并交给Spring容器管理 -->
<property name="basePackage" value="com.apesource.mapper"/>
</bean>
</beans>
传统调用和基于Spring配置后调用代码量对比:
如何加入MyBatis日志:创建一个mybatis-config.xml
<configuration>
<!-- MyBatis框架运行规则配置-->
<settings>
<!-- 设置运行日志 -->
<setting name="logImpl" value="STDOUT_LOGGING"/>
</settings>
<!-- 类型别名 -->
<typeAliases>
<!-- 设置类型"总包名" -->
<package name="com.apesource.entity"/>
</typeAliases>
</configuration>