摘要:
/** * 工厂模式 */ //产品必须实现的接口 interface Animal{ public function designation(); } class Dog implements Animal { public function designation() { echo "Dog"; 阅读全文
摘要:
import threading,time import random def door(nums): num=1#电梯在一楼 while True: print("this door is %s 楼"%num) if num==nums: fangxiang=True elif num==1: ... 阅读全文