本文实例讲述了Python3.6简单反射操作。分享给大家供大家参考，具体如下：
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# -*- coding:utf-8 -*-#!python3# -----------------------# __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 |
注释中说明的s1.py如下：
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# -*- coding:utf-8 -*-#!python3class 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 |
程序运行结果：
希望本文所述对大家Python程序设计有所帮助。
原文链接：https://blog.csdn.net/tyrantu1989/article/details/78530180
