XML基础教程2版第9章的代码.doc

第9章 XML Schema模式简介9.3 XML Schema模式的验证例子1example9_1.xml 电视机 2010-12-12 5673.89 洗衣机 2010-10-10 3673.67 schema9_1.xsd TestSchema.javaimport org.xml.sax.helpers.DefaultHandler;import org.xml.sax.*;import java.io.*;import javax.xml.validation.*;import javax.xml.transform.stream.StreamSource; public class TestSchema public static void main(String args) File xsdfile=new File(schema9_1.xsd); File xmlfile=new File(example9_1.xml); Handler errorHandler=null; try SchemaFactory schemaFactory= SchemaFactory.newInstance(/2001/XMLSchema); Schema schema=schemaFactory.newSchema(xsdfile); Validator validator=schema.newValidator(); errorHandler=new Handler(); validator.setErrorHandler(errorHandler); validator.validate(new StreamSource(xmlfile) ; catch(Exception e) System.out.println(e); if(errorHandler.errorMessage=null) System.out.println(XML文件:+xmlfile.getName()+符合模式); else System.out.println(XML文件:+xmlfile.getName()+不符合模式); class Handler extends DefaultHandler String errorMessage=null; public void error(SAXParseException e) throws SAXException errorMessage=e.getMessage(); int row=e.getLineNumber(); int colums=e.getColumnNumber(); System.out.println(一般错误：+errorMessage+位置：+row+,+colums); public void fatalError(SAXParseException e) throws SAXException errorMessage=e.getMessage(); int row=e.getLineNumber(); int colums=e.getColumnNumber(); System.out.println(致命错误：+errorMessage+位置：+row+,+colums); 9.4 简单类型元素。例子2example9_2.xml T89次 12:56:00 18 K37 22:12:00 16 schema9_2.xsd 9.5 复杂类型元素例子3example9_3.xml 5678 23.87 5