src/edu/school/service/impl/AdminServiceImpl.java

微信扫码关注公众号，代码整理好后第一时间通知你。

package edu.school.service.impl;


import edu.school.dao.AdminDao;
import edu.school.dao.impl.AdminDaoImpl;
import edu.school.entity.*;
import edu.school.service.AdminService;

import java.util.List;

public class AdminServiceImpl implements AdminService {
	private AdminDao dao=new AdminDaoImpl();


	public Admin login(String username, String pwd) {
		// TODO Auto-generated method stub
		return dao.queryByUsernameAndPwd(username, pwd);
	}


	public int updateAdmin(Admin record) {
		return dao.updateAdmin(record);
	}

	@Override
	public Admin queryAdminByid(Integer id) {
		return dao.queryAdminByid(id);
	}

	@Override
	public int addAdmin(Admin admin) {
		return dao.addAdmin(admin);
	}

	@Override
	public boolean existsUsername(String username) {
		if(dao.queryByUsername(username)==null){
			return false;//表示不可以用
		}
		return true;//表示可以用
	}

}