Python 3.6 简单反射

# -----------------------# __Author : tyran# __Date : 17-11-13# -----------------------class Base:    def __init__(self):        self.name = 'aaa'        self.age = 18    def show(self):        print(self.age)# 通过getattr（）找到对象的成员base = Base()v = getattr(base, 'name')print(v)  # aaafunc1 = getattr(base, 'show')func1()  # 18# 通过hasattr（）查找成员是否存在print(hasattr(base, 'name'))  # Trueprint(hasattr(base, 'name1'))  # False# 通过setattr（）给对象添加成员setattr(base, 'k1', 'v1')print(base.k1)delattr(base, 'k1')  # v1# print(base.k1)  报错AttributeError: 'Base' object has no attribute 'k1'# -------------------------------------------------------------------------# Class也是一个对象class ClassBase:    sex = 'male'    def __init__(self):        self.name = 'aaa'        self.age = 11    @staticmethod    def show():        print('I am static')    @classmethod    def c_method(cls):        print(cls.sex)sex_value = getattr(ClassBase, 'sex')print(sex_value)s_func = getattr(ClassBase, 'show')s_func()c_func = getattr(ClassBase, 'c_method')c_func()# 这些都没问题setattr(ClassBase, 'has_girlfriend', True)  # 添加静态成员print(ClassBase.has_girlfriend)  # True# ---------------同理，模块也是对象-------------# 我新建了一个模块s1.py，我把内容复制下来# class S1:#     def __init__(self):#         self.name = 'aaa'#         self.age = 22##     def show(self):#         print(self.name)#         print(self.age)### def func1():#     print('page1')### def func2():#     print('page2')# 一个类，两函数import s1s1_class = getattr(s1, 'S1', None)if s1_class is not None:    c1 = s1_class()    c1.show()    # aaa    # 22getattr(s1, 'func1')()  # page1f2 = 'func2'if hasattr(s1, f2):    getattr(s1, 'func2')()  # page2