python 单例模式----装饰器实现

一、闭包的实现python #coding:utf-8 def A(): s1=2 def B(): sum1=s1+2 return sum1 return B if __name__ == '__main__': f1=A() f2=f1() print 'f1: ',f1 print 'f2: ',f2

>>阅读原文<<