<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.4</version>
</dependency>
<dependency>
<groupId>com.microsoft.sqlserver</groupId>
<artifactId>mssql-jdbc</artifactId>
<scope>runtime</scope>
</dependency>
package com.example.demo.entity;
import lombok.Data;
@Data
public class MyUser {
//成员变量名与数据库中表的字段要对应上
private Integer uid;
private String uname;
private String usex;
}
package com.example.demo.repository;
import com.example.demo.entity.MyUser;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;
import java.util.List;
@Repository
public interface MyUserRepository {
//插入
@Insert("insert into XXX (uid,uname,usex) values (#{uid},#{uname},#{usex})")
public void insertData(@Param("uid")Integer uid,@Param("uname")String uname,@Param("usex")String usex);
//查询
@Select("select * from XXX")
public List<MyUser> findAll();
//删除
@Delete("truncate table XXX")
public void deleteData();
}
//MyUserService
package com.example.demo.service;
import com.example.demo.entity.MyUser;
import java.util.List;
public interface MyUserService {
public List<MyUser> findAll();
public void insertData(Integer uid, String uname, String usex);
public void deleteData();
}
//MyUserServiceImpl
package com.example.demo.service;
import com.example.demo.entity.MyUser;
import com.example.demo.repository.MyUserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class MyUserServiceImpl implements MyUserService{
@Autowired
private MyUserRepository myUserRepository;
@Override
public List<MyUser> findAll() {
return myUserRepository.findAll();
}
@Override
public void insertData(Integer uid,String uname,String usex){
myUserRepository.insertData(uid,uname,usex);
}
@Override
public void deleteData(){
myUserRepository.deleteData();
}
}
package com.example.demo.controller;
import com.example.demo.entity.MyUser;
import com.example.demo.service.MyUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@RestController
public class MyUserController {
@Autowired
private MyUserService myUserService;
@RequestMapping("/findAll")
public List<MyUser> findAll(){
return myUserService.findAll();
}
@RequestMapping("/insert")
public String insertData(Integer uid, String uname, String usex){
myUserService.insertData(20,"test","女");
return "insert successfully";
}
@RequestMapping("/delete")
public String deleteData(){
myUserService.deleteData();
return "delete successfully";
}
}
package com.example.demo;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
@MapperScan(basePackages={"com.example.demo.repository"})
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
}