decorator的class方式

class式的 Decorator

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__()"   @myDecorator def aFunction():     print "inside aFunction()"   print "Finished decorating aFunction()"   aFunction()   # 输出： # inside myDecorator.__init__() # Finished decorating aFunction() # inside aFunction() # inside myDecorator.__call__()