DAO实例代码优化

一般在接口的实现类中不用来实现登陆等功能，在测试类中实现并且测试。

package com.beiwo.epet.service.impl;

import com.beiwo.epet.dao.MasterDao;
import com.beiwo.epet.dao.impl.MasterDaoMySqlImpl;
import com.beiwo.epet.entity.Master;
import com.beiwo.epet.service.MasterService;

public class MasterServiceImpl2 implements MasterService {
    @Override
    public boolean login(Master master) {
        boolean isLogin = false;

        MasterDao masterDao = new MasterDaoMySqlImpl();

        Master master2 = masterDao.findMaster(master);

        if (null != master2) {
            isLogin = true;
        }

        return isLogin;
    }

    @Override
    public void login() {

    }

}

 

测试类

package com.beiwo.epet.test;

import java.util.Scanner;

import org.junit.Test;

import com.beiwo.epet.entity.Master;
import com.beiwo.epet.service.MasterService;
import com.beiwo.epet.service.impl.MasterServiceImpl;
import com.beiwo.epet.service.impl.MasterServiceImpl2;

public class TestMasterDao {

    @Test
    public void testLogin(){
        MasterService masterService=new MasterServiceImpl();
        masterService.login();
        
    }
    
    @Test
    public void testLogin2(){
        Scanner scanner = new Scanner(System.in);

        // 1.输入用户名
        System.out.println("请输入用户名");
        String loginId = scanner.next();

        // 2.输入密码
        System.out.println("请输入密码");
        String password = scanner.next();
        
        MasterService masterService=new MasterServiceImpl2();
        Master master=new Master();
        master.setLoginId(loginId);
        master.setPassword(password);
        
        boolean isLogin=masterService.login(master);
        
        if(isLogin){
            System.out.println("登陸成功");
        }else{
            System.out.println("登陸失敗");
        }
        
        
    }
    
    
}