整合jdbc
1.导入依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
2.service操作数据库
3.controller层调用
4.调用
5.成功
整合jpa
1.导入依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
2.创建实体类
3.编写dao层
4.controller层
5.调用。。成功
整合mybatis
1.导入依赖
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.1</version>
</dependency>
2.创建mapper
3.调用
4.成功