如果我们想要形成一个包含简单内容(因此构成数据类型之一)和属性的内容,那么我们就不必使用<代码><simpleType>要素,我们必须宣布复杂的类型,并具体说明这种复杂类型将包含简单的内容。 我们这样做的方法是使用<代码><extension> elements under the <simpleContent> i。
a) 这一新类别(通过<代码><extension> under <simpleContent> elements ) 是否在某种程度上概括了基类建筑的功能和属性?
b) Do we use <complexType> und <simple 类型和编号;由于衍生类别将具有复杂的类型,即使含有简单内容,也构成要素?
c) 所有复杂类型是否来自某些共同基类?
Thanx
请记住xml可以像电文一样对待,虽然我们可以将其编为物体,但物体主要含有特性。 你们似乎对物体行为而不是信息行为提出问题。
a) 复杂的类型将包含延展的xsd的所有特性,以及你所补充的简便线的额外内容/性能。 一旦被编成物体,就会包含复杂和简单类型的所有特性。
b) 简单 类型只能包含属性或文字。 它们不能包含其他零件。 这就是为什么我们使用复杂的Type。 1. 扩大具有更多成分的类型 类型必须使用。
c) 这种声音,如“在大多数O-O语文中都有基物体类别?” 在你控制 x子时,你可以确定,是否有含有基质的基质和你想要所有 x的成分的基质。
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