xml文件的增删改查

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1、packagecom.accp.xml.dom4j;importjava.io.FileInputStream;importjava.io.FileNotFoundException;importjava.io.FileOutputStream;importjava.io.FileWriter;importjava.io.IOException;importjava.io.InputStream;importjava.io.OutputStreamWriter;importjava.io.Writer;importjava.util.Iterator;importjava.

2、util.List;importorg.dom4j.Attribute;importorg.dom4j.Document;importorg.dom4j.DocumentException;importorg.dom4j.Element;importorg.dom4j.io.OutputFormat;importorg.dom4j.io.SAXReader;importorg.dom4j.io.XMLWriter;importorg.dom4j.tree.DefaultDocument;importorg.xml.sax.EntityResolver;importorg.x

3、ml.sax.InputSource;importorg.xml.sax.SAXException;/** *xml的增删改查示例 *  *@author  *  */publicclassXMLCrud{ /** *默认的构造方法 *  *@throwsDocumentException *@throwsIOException *@throwsSAXException */ publicXMLCrud(){  //Documentdoc=loadXML("class.xml");  //  ////载入XML文档  ////System.out.println(doc.a

4、sXML());  //  ////打印XML文档  //printDoc(doc);  //  ////把XML文档存入硬盘  //storeDoc(doc,"new.xml");  //新建xml文档对象  //Documentdoc1=this.createDoc();  //    //       //        //    //    //  ////存入note.xml  //storeDoc(doc1,"note.xml");  //System.out.println(getStudentCount(doc));  /*  *//校验dtdXML文档d

5、oc=valideDoc("class.xml");  *   *printDoc(doc);//校验Schema文档doc=  *validateDocBySxd("classSchema.xml");printDoc(doc);  *   *Stringurl=getClass().getResource("/xml/dom4j/wkjava/class.xsd")  *.toString();//校验Schema文档（俩参数）doc=  *validateDocBySxd("classSchema.xml",url);printDoc(doc);//  *创建Sche

6、ma文档doc=createDoc();storeDoc(doc,"root.xml");doc=  *validateDocBySxd("classSchema.xml");//在文档中修改原属updateZip(doc,  *"102202");printDoc(doc);  *   *doc=validateDocBySxd("classSchema.xml");//打印文档中所有学生名字  *printNames(doc);  *   *   */ } publicstaticvoidmain(String[]args){  XMLCrudxml=newXMLCru

7、d();  xml.genXMLFile(); } /** *装载xml文件，解析为dom文档对象 *  *@paramxmlfile *@return *@throwsFileNotFoundException *@throwsDocumentException */ publicDocumentloadXML(Stringxmlfile)throwsFileNotFoundException,   DocumentException{  //获得SAX的xml解析器  SAXReaderreader=newSA