Types can be primitives, such as string (SDO calls these "data types" and defines a set mapped to PHP types), or complex types to represent an order or address (SDO calls these data object types).

类型可以是基元，如字符串(SDO称它们为“数据类型”，并定义了一个映射到php类型的集合)或复杂类型来代表序列或地址(SDO称它们为数据对象类型)。

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The field types supported are: primitives (int, string, etc), Date, Timestamp, as well as objects composed of primitives, hashmaps, and collections (non-generic) of objects.

支持的字段类型：原生类型(int、string等)、Date、Timestamp、以及原生类型的组合类型、hashmap、对象集合(非范型)。

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