Overrides default mapping of data types, and the ability to create custom type mappers.

覆盖缺省数据类型映射和创建自定义类型映射程序的功能。

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With mappers and filters, you can have QueryPath run custom functions to transform or filter QueryPath data.

通过映射器和过滤器，可以让QueryPath运行定制的函数来转换或过滤QueryPath数据。

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With mappers and filters, you can have QueryPath run custom functions to transform or filter QueryPath data.

通过映射器和过滤器，可以让QueryPath运行定制的函数来转换或过滤QueryPath数据。

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