现在可以 pickle Foo 实例，并看一下它的表示：
>>> import cPickle as pickle >>> from Orbtech.examples.persist import Foo >>> foo = Foo('What is a Foo?') >>> p = pickle.dumps(foo) >>> print p ccopy_reg _reconstructor p1 (cOrbtech.examples.persist Foo p2 c__builtin__ object 页码：[1] [2] [3] [4] [5] [6] [7] 第3页、共7页
页码：[1] [2] [3] [4] [5] [6] [7] 第3页、共7页
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