1.引入mybatis-plus依赖
<!-- mybatis-plus-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.3.2</version>
</dependency>
2.配置(application.yml)
1.配置数据源
1)导入数据库的驱动
<!-- 导入mysql驱动 -->
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.17</version>
</dependency>
2)在application.yml中配置数据源相关信息
spring:
datasource:
username: username
password: password
url: jdbc:mysql://ip:3306/gulimall_sms
driver-class-name: com.mysql.cj.jdbc.Driver
3)配置Mybatis-Plus
1)使用MapperScan(“xx.xxx.xxx.dao”)
2)告诉Mybatis-Plus,sql映射文件的位置
mybatis-plus:
//指定xml文件位置
mapper-locations: classpath:/mapper/**/*.xml
//主键自增
global-config:
db-config:
id-type: auto**加粗样式**