43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
"""
|
||
实例
|
||
汤宝宝混穿到了泰拉世界，并成为了泰拉联邦的唯一统治者。人类只有一个帝皇！
|
||
"""
|
||
|
||
|
||
# 帝皇类
|
||
class Emperor(object):
|
||
__instance = None
|
||
__name = ""
|
||
|
||
def __new__(cls, name: str, announce: str):
|
||
if not cls.__instance:
|
||
cls.__instance = super(Emperor, cls).__new__(cls)
|
||
cls.__instance.__name = name
|
||
return cls.__instance
|
||
|
||
def __init__(self, name: str, announce: str) -> None:
|
||
print(announce)
|
||
|
||
@property
|
||
def name(self) -> str:
|
||
return self.__name
|
||
|
||
|
||
def main() -> None:
|
||
print("========= 单例模式 =========")
|
||
|
||
# 创建帝皇
|
||
emperor1 = Emperor("汤宝宝", "泰拉联邦的帝皇诞生了！")
|
||
print(f"帝皇的名字是：{emperor1.name}！")
|
||
emperor2 = Emperor("王二狗", "泰拉联邦的帝皇又一次诞生了！")
|
||
print(f"帝皇的名字是：{emperor2.name}！")
|
||
|
||
if emperor1 is emperor2:
|
||
print(f"泰拉只有一个帝皇：{emperor1.name}！\n")
|
||
|
||
print("======= 单例模式结束 =======")
|
||
|
||
|
||
if __name__ == "__main__":
|
||
main()
|