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Monthly Archives: March 2011
Python 判断一个变量是否是字符串
忏悔啊，就写了一个类还出了 bug⋯⋯ 写了单元测试还出了 bug⋯⋯ type(data) == type("") 这种办法是不行的，因为 "" 是 str 类型，如果 data 是 unicode 的话这种判断就不成立了，而应该采用这种办法：isinstance(data, basestring)，其中 basestring 是 str 和 unicode 两个类的父类。 期待 python 3k⋯⋯ Tags:bug,python