Springboot+mybatis

创建工程

文件目录创建

service业务层省略了。。。

入口

@SpringBootApplication
@EnableTransactionManagement//开启事务管理
public class SsmspringbootApplication {

    public static void main(String[] args) {
        SpringApplication.run(SsmspringbootApplication.class, args);
    }
}

controller

@RestController
public class UserController {

    //依赖注入
    @Autowired
    UserMapper userMapper;

    @RequestMapping("cs")
    public User cs() {
        //调用dao层
        User user = userMapper.selectUserByName("ccc");
        return user;
    }


}

dao

对应的xml文件

    
        SELECT * FROM account WHERE name = #{name}
    

application.properties

spring.datasource.url=jdbc:mysql://localhost:3306/cwz?serverTimezone=GMT%2B8
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
spring.jpa.database = mysql

#Mybatis扫描
mybatis.mapper-locations=classpath*:mapper/*.xml

domain

这里面的数据对应数据库的表