摘要：作为基类，如果建立了一个带参数的构造器，那么最好再建一个不带参数的构造器，哪怕什么都不做。以便避免继承类出现初始化错误 阅读全文

摘要：A Document Type Definition (DTD) defines the legal building blocks of an XML document. It defines the document structure with a list of legal elements and attributes. Example XML document with an i... 阅读全文

摘要：What is XLink? XLink is short for the XML Linking Language XLink is a language for creating hyperlinks in XML documents XLink is similar to HTML links - but it is a lot more po... 阅读全文