代理设计模式--静态代理

/*
 * 代理商 和 联想公司 都有的方法
 */
public interface ComputerInterface {
    //卖电脑
    public abstract String buyComputer();
    //免费维修
    public abstract void repair();
}

/*
 * 被代理类,电脑公司
 */
public class ComputerCompany implements ComputerInterface{

    @Override
    public String buyComputer() {
        // TODO Auto-generated method stub
        return "Y4500-1T电脑,3888$";
    }

    @Override
    public void repair() {
        // TODO Auto-generated method stub
        System.out.println("免费的 修好了....");
    }

}

public class SmallComputerCompany implements ComputerInterface{

    @Override
    public String buyComputer() {
        // TODO Auto-generated method stub
        return "迷你掌上电脑,19999$";
    }

    @Override
    public void repair() {
        // TODO Auto-generated method stub
        System.out.println("需要五块钱维修费..");
    }

}

/*
 * 代理类:经销商
 */
public class ProxyPerson implements ComputerInterface{
    
    private ComputerInterface lianxiang;
    
    
        
    public ProxyPerson(ComputerInterface lianxiang) {
        this.lianxiang = lianxiang;
    }

    @Override
    public String buyComputer() {
        // TODO Auto-generated method stub
        return "鼠标,键盘,电脑包,u盘,操作系统,3000$ + "+lianxiang.buyComputer();
    }

    @Override
    public void repair() {
        // TODO Auto-generated method stub
        System.out.println("需要运费1000块");
        lianxiang.repair();
        System.out.println("再给500块保管费");
        System.out.println("再给100块运费");
    }

}