这篇文章主要为大家详细介绍了python3设计模式之简单工厂模式，具有一定的参考价值，感兴趣的小伙伴们可以参考一下
在Python3环境下，调试实现了《大话设计模式》中简单工厂模式，通过定义单独的工厂类，完成对具体的产品的实例化,参考链接
具体实现见代码：
#!/usr/bin/env python# -*- coding: utf-8 -*-# Date : 2017-10-15 21:46:28# Author : John# Version : V1.001# Func :class Operator(object): """docstring for Operator""" def __init__(self, NumberA=0, NumberB=0): super(Operator, self).__init__() self.NumberA = NumberA self.NumberB = NumberB def GetResult(self): passclass AddOp(Operator): """docstring for AddOp""" def GetResult(self): return int(float(self.NumberA) + float(self.NumberB))class MinusOp(Operator): """docstring for MinusOp""" def GetResult(self): return int(float(self.NumberA) - float(self.NumberB))class MultiOp(Operator): """docstring for MultiOp""" def GetResult(self): return int(float(self.NumberA) * float(self.NumberB))class pideOp(Operator): """docstring for pideOp""" def GetResult(self): try: return float(float(self.NumberA) / float(self.NumberB) * 1.0) except ZeropisionError as e: print("pideOp error, {0}".format(e))class OperatorFactory(object): """docstring for OperatorFactory""" def ChooseOperator(self, op): if op == '+': return AddOp() if op == '-': return MinusOp() if op == '*': return MultiOp() if op == '/': return pideOp()if __name__ == '__main__': ch = '' while not ch == 'q': NumberA = input('Please input NumberA: ') op = input('Please input operator: ') NumberB = input('Please input NumberB: ') factory = OperatorFactory() opType = factory.ChooseOperator(op) opType.NumberA = NumberA opType.NumberB = NumberB print('The result is: {0}'.format(opType.GetResult())) print('\n#-- input q to exit any key to continue') try: ch = str(input()) except Exception as e: print('Get input error: {0}'.format(e)) print('Use default value to ch') ch = ''
以上就是python3之简单工厂模式的介绍的详细内容，更多请关注其它相关文章！
享受每一刻的感觉，欣赏每一处的风景，这就是人生。
