极速搭建
- 准备工作:项目工程、表并配置数据源
spring:
datasource:
url: jdbc:mysql://127.0.0.1:3306/testplus?useUnicode=true&characterEncoding=UTF-8&autoReconnect=true&serverTimezone=Asia/Shanghai
driver-class-name: com.mysql.cj.jdbc.Driver
username: root
password: 123456
logging:
level:
com.itheima: debug
pattern:
dateformat: HH:mm:ss
- 导入依赖
<dependencies>
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.5.3.1</version>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
3.编写相对应的实体类
4.编写mapper接口继承 BaseMapper
5.继承后要扫描mapper包