libexpat，20190313 最新源代码。expat是流行的XML处理引擎，支持SAX和DOM

<> 本书是为要在系统中集成XML的高级Java开发人员编写的。 希望对你有所帮助 主要讲解以下内容： 1 XML 2 SAX 3 DOM 4 JDOM 5 XPath/XSLT 6 附表 -------------------------- 《Addison Wesley - Processing XML with Java》 Publisher : Addison Wesley Pub Date : November 08, 2002 ISBN : 0-201-77186-1 Pages : 1120 Written for Java programmers who want to integrate XML into their systems, this practical, comprehensive guide and reference shows how to process XML documents with the Java programming language. It leads experienced Java developers beyond the basics of XML, allowing them to design sophisticated XML applications and parse complicated documents. Processing XML with Java(TM) provides a brief review of XML fundamentals, including XML syntax; DTDs, schemas, and validity; stylesheets; and the XML protocols XML-RPC, SOAP, and RSS. The core of the book comprises in-depth discussions on the key XML APIs Java programmers must use to create and manipulate XML files with Java. These include the Simple API for XML (SAX), the Document Object Model (DOM), and JDOM (a Java native API). In addition, the book covers many useful supplements to these core APIs, including XPath, XSLT, TrAX, and JAXP. Practical in focus, Processing XML with Java(TM)is filled with over two hundred examples that demonstrate how to accomplish various important tasks related to file formats, data exchange, document transformation, and database integration. You will learn how to read and write XML documents with Java code, convert legacy flat files into XML documents, communicate with network servers that send and receive XML data, and much more. Readers will find detailed coverage of the following: * How to choose the right API for the job * Reading documents with SAX * SAX filters * Validation in several schema languages * DOM implementations for Java * The DOM Traversal Module * Output from DOM * Reading and

协议支持：支持XML/JSON协议文件自动生成C++解析/生成代码文件 功能支持:：支持协议的解析、生成、能力集生成 协议字段：支持对象命名空间封装 支持req字段校验，req为“true”是，字段缺失返回失败，生成报文时保留该字段 支持int、int64、float、double、string、list、obj字段类型处理 支持数字类型最大值、最小值校验 支持string类型长度校验、opt字段匹配校验 支持字段解析、校验失败时自定义错误返回 支持解析字段是否存在的判断(协议字段是否下发判断) 失败打印：支持协议处理失败时自定义打印输出 模板注释：支持对协议模板注释的自动忽略

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对dom对象进一步简化， 方便的打开、读取和修改xml文件