package com.baiyun.dao;

import java.util.List;

import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.springframework.stereotype.Repository;

import com.baiyun.enity.Departments;

/**
 * @Description: TODO
 * @author: bilibili
 * @Date: 2021年6月16日
 */

@Mapper
@Repository
public interface DepartmentDao {

	/*
	 * 列出所有的科室
	 */
	@Select("select * from departments")
	List<Departments> listAllDepartments();

	/*
	 * 添加科室
	 */
	@Insert("insert into departments(`id`,departmentName,`describe`) values(#{id},#{departmentName},#{describe})")
	int addDepartment(Departments department);

	/*
	 * 修改科室
	 */
	@Update("update departments set departmentName=#{departmentName},`describe`=#{describe} where id=#{id}")
	int updateDepartment(Departments departments);

	/*
	 * 根据id查找科室
	 */
	@Select("select * from departments where id=#{id}")
	Departments findDepartmentById(int id);

	/*
	 * 根据科室名查找科室
	 */
	@Select("select * from departments where departmentName=#{departmentName}")
	List<Departments> findDepartmentByName(String name);

	/*
	 * 根据id删除科室
	 */
	@Delete("delete from departments where id=#{id}")
	int deleteDepartmentById(int id);
}