1.依赖
<parent>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
       <version>1.4.3</version>
</parent>
<dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-boot-starter-web</artifactId>
<version>1.4.3</version> </dependency>
2.启动类
@SpringBootApplication public class SelfApplication { public static void main(String[] args) { SpringApplication.run(SelfApplication.class, args); } }
3.controller
@RestController @RequestMapping("fb") public class DemoController { @RequestMapping(value="hl",method=RequestMethod.GET) public String sayHello(List<Long> ids) { return "hello"; } }
4.集成数据库
<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
      <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.1</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid-spring-boot-starter</artifactId>
            <version>1.1.21</version>
        </dependency>
<dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
项目启动类上添加标注
@MapperScan(value = "xxx.mapper", markerInterface = Mapper.class)
原文:https://www.cnblogs.com/yangyang12138/p/12630057.html