bajins
diff --git a/‎class_example.py‎
Lines changed: 35 additions & 0 deletions b/‎class_example.py‎
Lines changed: 35 additions & 0 deletions
@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+#
+# @Description: 
+# @PreInstall: 
+# @Author : https://www.bajins.com
+# @File : class_example.py
+# @Version: 1.0.0
+# @Time : 2021/9/7 15:07
+# @Project: python_learning
+# @Package: 
+# @Software: PyCharm
+
+
+# self和cls的区别不是强制的，只是PEP8中一种编程风格，slef通常用作实例方法的第一参数，cls通常用作类方法的第一参数
+class A(object):
+    def foo(self, x):
+        print("executing foo(%s,%s)" % (self, x))
+        print('self:', self)
+
+    @classmethod
+    def class_foo(cls, x):
+        print("executing class_foo(%s,%s)" % (cls, x))
+        print('cls:', cls)
+
+    @staticmethod  # 与普通函数相同
+    def static_foo(x):
+        print("executing static_foo(%s)" % x)
+
+
+if __name__ == '__main__':
+    print(dir(A()))  # 查看所有属性和方法，包含继承的object类内建属性和方法
+    g = globals()  # 查看所有全局变量
+    print(g)
+    print(g['__builtins__'].__dict__)