Signed-off-by: twowater <[email protected]>

Python 9 代码

Author: walter201230

Code/Python9Code/.idea/Python9Code.iml

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-

Code/Python9Code/.idea/inspectionProfiles/profiles_settings.xml

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-

Code/Python9Code/.idea/misc.xml

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+#!/usr/bin/env python3
+# -*- coding: UTF-8 -*-
+
+class Test:
+    def prt(self):
+        print(self)
+        print(self.__class__)
+
+t = Test()
+t.prt()

Code/Python9Code/.idea/modules.xml

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+# 旧式类
+class OldClass:
+    def __init__(self, account, name):
+        self.account = account;
+        self.name = name;
+
+
+# 新式类
+class NewClass(object):
+    def __init__(self, account, name):
+        self.account = account;
+        self.name = name;
+
+
+if __name__ == '__main__':
+    old_class = OldClass(111111, 'OldClass')
+    print(old_class)
+    print(type(old_class))
+    print(dir(old_class))
+    print('\n')
+    new_class=NewClass(222222,'NewClass')
+    print(new_class)
+    print(type(new_class))
+    print(dir(new_class))

Code/Python9Code/.idea/workspace.xml

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+class UserInfo(object):
+    name = '两点水'
+
+
+class UserInfo(object):
+    def __init__(self, name):
+        self.name = name
+
+
+class UserInfo(object):
+    def __init__(self, name, age, account):
+        self.name = name
+        self._age = age
+        self.__account = account

Code/Python9Code/com/__init__.py

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+class UserInfo(object):
+    def __init__(self, name, age, account):
+        self.name = name
+        self._age = age
+        self.__account = account
+
+    def get_account(self):
+        return self.__account
+
+
+if __name__ == '__main__':
+    userInfo = UserInfo('两点水', 23, 347073565);
+    # 打印所有属性
+    print(dir(userInfo))
+    # 打印构造函数中的属性
+    print(userInfo.__dict__)
+    print(userInfo.get_account())
+    # 用于验证双下划线是否是真正的私有属性
+    print(userInfo._UserInfo__account)

Code/Python9Code/com/twowater/__init__.py

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+class User(object):
+    def upgrade(self):
+        pass
+
+    def _buy_equipment(self):
+        pass
+
+    def __pk(self):
+        pass
+

Code/Python9Code/com/twowater/mtest0.py

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+class UserInfo(object):
+    lv = 5
+
+    def __init__(self, name, age, account):
+        self.name = name
+        self._age = age
+        self.__account = account
+
+    def get_account(self):
+        return self.__account
+
+    @classmethod
+    def get_name(cls):
+        return cls.lv
+
+    @property
+    def get_age(self):
+        return self._age
+
+
+if __name__ == '__main__':
+    userInfo = UserInfo('两点水', 23, 347073565);
+    # 打印所有属性
+    print(dir(userInfo))
+    # 打印构造函数中的属性
+    print(userInfo.__dict__)
+    # 直接使用类名类调用，而不是某个对象
+    print(UserInfo.lv)
+    # 像访问属性一样调用方法（注意看get_age是没有括号的）
+    print(userInfo.get_age)

Code/Python9Code/com/twowater/mtest1.py

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+#!/usr/bin/env python3
+# -*- coding: UTF-8 -*-
+
+class UserInfo(object):
+    lv = 5
+
+    def __init__(self, name, age, account):
+        self.name = name
+        self._age = age
+        self.__account = account
+
+    def get_account(self):
+        return self.__account
+
+    @classmethod
+    def get_name(cls):
+        return cls.lv
+
+    @property
+    def get_age(self):
+        return self._age
+
+
+class UserInfo2(UserInfo):
+    def __init__(self, name, age, account, sex):
+        super(UserInfo2, self).__init__(name, age, account)
+        self.sex = sex;
+
+
+if __name__ == '__main__':
+    userInfo2 = UserInfo2('两点水', 23, 347073565, '男');
+    # 打印所有属性
+    print(dir(userInfo2))
+    # 打印构造函数中的属性
+    print(userInfo2.__dict__)
+    print(UserInfo2.get_name())

Code/Python9Code/com/twowater/mtest2.py

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+#!/usr/bin/env python
+# -*- coding: UTF-8 -*-
+
+class UserInfo(object):
+    lv = 5
+
+    def __init__(self, name, age, account):
+        self.name = name
+        self._age = age
+        self.__account = account
+
+    def get_account(self):
+        return self.__account
+
+
+class UserInfo2(UserInfo):
+    pass
+
+
+if __name__ == '__main__':
+    userInfo2 = UserInfo2('两点水', 23, 347073565);
+    print(userInfo2.get_account())
+

Code/Python9Code/com/twowater/mtest3.py

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+#!/usr/bin/env python3
+# -*- coding: UTF-8 -*-
+
+class User1(object):
+    pass
+
+
+class User2(User1):
+    pass
+
+
+class User3(User2):
+    pass
+
+
+if __name__ == '__main__':
+    user1 = User1()
+    user2 = User2()
+    user3 = User3()
+    # isinstance()就可以告诉我们，一个对象是否是某种类型
+    print(isinstance(user3, User2))
+    print(isinstance(user3, User1))
+    print(isinstance(user3, User3))
+    # 基本类型也可以用isinstance()判断
+    print(isinstance('两点水', str))
+    print(isinstance(347073565, int))
+    print(isinstance(347073565, str))

Code/Python9Code/com/twowater/mtest4.py

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+#!/usr/bin/env python3
+# -*- coding: UTF-8 -*-
+
+class User(object):
+    def __init__(self, name):
+        self.name = name
+
+    def printUser(self):
+        print('Hello !' + self.name)
+
+
+class UserVip(User):
+    def printUser(self):
+        print('Hello ! 尊敬的Vip用户：' + self.name)
+
+
+class UserGeneral(User):
+    def printUser(self):
+        print('Hello ! 尊敬的用户：' + self.name)
+
+
+def printUserInfo(user):
+    user.printUser()
+
+
+if __name__ == '__main__':
+    userVip = UserVip('两点水')
+    printUserInfo(userVip)
+    userGeneral = UserGeneral('水水水')
+    printUserInfo(userGeneral)