loginserviceimpl.java

这是大唐电信的一个管理系统

package com.tatang.service.impl;

import com.tatang.dao.ILoginDao;
import com.tatang.dao.impl.LoginDaoImpl;
import com.tatang.service.ILoginService;

public class LoginServiceImpl implements ILoginService{
    private ILoginDao dao = new LoginDaoImpl();
    private static LoginServiceImpl service = null;
    private LoginServiceImpl(){}
    public static LoginServiceImpl getInstance(){
    	if(service == null){
    		service = new LoginServiceImpl();
    	}
    	return service;
    }
	public boolean validate(String name, String pwd, String position, boolean is) {
		
		return dao.validate(name, pwd, position, is);
	}
	public Integer validate(String name, String pwd, String position) {
		
		return dao.validate(name, pwd, position);
	}
	   
}