decorator的class方式
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class myDecorator(object): def __init__(self, fn): print "inside myDecorator.__init__()" self.fn = fn def __call__(self): self.fn() print "inside myDecorator.__call__()"@myDecoratordef aFunction(): print "inside aFunction()"print "Finished decorating aFunction()"aFunction()# 输出：# inside myDecorator.__init__()# Finished decorating aFunction()# inside aFunction()# inside myDecorator.__call__() |
原文：http://www.cnblogs.com/ymy124/p/4913286.html