springboot-mybatis

项目结构

 依赖

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <scope>runtime</scope>
</dependency>
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.1.3</version>
</dependency>            

application.properties配置

#datasource配置
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.url=jdbc:mysql://localhost:3306/test?serverTimezone=UTC&useUnicode=TRUE&characterEncoding=UTF-8
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

#mybatis配置
mybatis.type-aliases-package=com.wenghuangge.pojo
mybatis.mapper-locations=classpath:mybatis/mapper/*.xml
#配置文件位置
mybatis.config-location=classpath:mybatis/mybatis-config.xml

 mybatis-xml配置

<?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>
    <settings>
        <!--开启二级缓存-->
        <setting name="cacheEnabled" value="true"/>
        <!--开启驼峰命名转换-->
        <setting name="mapUnderscoreToCamelCase" value="true" />
    </settings>
</configuration>

mybatis-dao配置

<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="">
  
</mapper>