1、掌握使用XMLSpy软件创建DTD和Schema文档

2、掌握在XML文档如何引入DTD和Schema，并验证有效

3、掌握DTD中声明元素、属性的方法

4、掌握Schema中声明元素，属性，类型的方法

-1, master the use of XMLSpy software to create the document DTD and Schema 2, and understanding how the introduction of XML documents and DTD Schema, and validate effective, 3, master declared DTD elements, attributes, method 4, the master declared Schema elements, attributes, types of methods