The variable could be as simple as an integer or a string or as complex as a multidimensional array or an object.

变量可以像一个整数或字符串那样简单，也可以像多维数组或对象那样复杂。

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The latter is simple for data types, such as integer or characters, but more complex for input parameters of type XML.

对于数据类型，例如整数或字符，要生成输入域就比较简单，但是对于xml类型的输入参数，就要更复杂一些。

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The attribute types can be basic (for example, Integer, String) or complex data types (for example, the user-defined types like Order and CreditCard).

可以将属性类型定为基本类型(例如，Integer或String)或复杂数据类型(例如，用户定义的类型，如Order和CreditCard)。

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