parser.setAttribute(DOMParser.USE_DTD_ONLY_FOR_VALIDATION,Boolean.TRUE); Otherwise, the XML parser will copy the DTD object and add it to the result DOM tree. The method to set the DTD issetDoctype(). Here is an example: // Test using InputSource parser = new DOMParser(); parser.setEr...
Oracle provides a set of XML parsers for Java, C, C++, and PL/SQL. Each of these parsers is a standalone XML component that parses an XML document (or a standalone DTD or XML Schema) so that it can be processed by an application. This chapter discusses the parser for Java only. T...
// 创建一个SAXParserFactory实例SAXParserFactoryfactory=SAXParserFactory.newInstance();// 创建一个SAXParser实例SAXParserparser=factory.newSAXParser();// 创建一个自定义的HandlerMyHandlerhandler=newMyHandler();// 解析XML文件parser.parse(newFile("example.xml"), handler);// 自定义Handler类classMyHandle...
Using XML Parser for Java: DOMParser() Class Using XML Parser for Java: DOMNamespace() Class Using XML Parser for Java: SAXParser() Class Using JAXP Frequently Asked Questions About DTDs Frequently Asked Questions About DOM and SAX APIs Frequently Asked Questions About Validation Frequently Asked...
importjava.io.File;importjavax.xml.parsers.DocumentBuilder;importjavax.xml.parsers.DocumentBuilderFactory;importorg.w3c.dom.Document;publicclassXMLParser{publicstaticvoidmain(String[]args){try{// 创建一个DocumentBuilderFactory对象DocumentBuilderFactoryfactory=DocumentBuilderFactory.newInstance();// 创建一个Document...
以下是一个使用DOM解析XML的示例: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import org.w3c.dom.*; import javax.xml.parsers.*; import java.io.*; public class DomParserExample { public static void main(String[] args) { try { File inputFile = new File("books.xml"); DocumentBuilder...
StringqName,Attributesattributes)throwsSAXException{if(qName.equals("item")){isItem=true;System.out.println(attributes.getValue("id"));}}publicvoidendElement(Stringuri,StringlocalName,StringqName)throwsSAXException{if(qName.equals("item")){isItem=false;}}};parser.parse(newFile("example.xml"),...
原理:基于事件驱动的解析方式,逐行读取 XML 文件,触发回调方法(如 startElement、characters)。 特点: 适合大规模 XML 文件,内存占用低。 仅支持顺序读取,无法随机访问。 代码示例: java import org.xml.sax.*; import org.xml.sax.helpers.*; SAXParserFactory factory = SAXParse...
xml.sax.*; import org.xml.sax.helpers.DefaultHandler; public class DtdValidatorExample { public static void main(String[] args) { try { String xmlFile = "books.xml"; String dtdFile = "bookstore.dtd"; SAXParserFactory factory = SAXParserFactory.newInstance(); factory.setValidating(true); ...
Class:SAXParserFactory: Defines a factory API that enables applications to configure and obtain a SAX based parser to parse XML documents. It can create a new instance of a SAXParser. org.w3c.dom Interface:Node: primary datatype for the entire Document Object Model (DOM). It can get, set...