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				第3篇,嘗試使用JDOM
			
          
 			Posted on 2006-11-24 21:10 Zou Ang 閱讀(243) 評論(0)  編輯  收藏  所屬分類:  
			
			


		
          
		
          
		今天晚上在宿舍看那本《Java Web服務(wù)高級教程》，剛開始講的是xml,所以試著用JDOM來讀了一個自己寫的xml文檔：
          MyXml.xml
          <?xml?version="1.0"?encoding="UTF-8"?>
          <directory>
          ????          <file?filename?=?"book.xml">
          ????????          <description>A?book?list</description>
          ????          </file>
          ????
          ????          <file?filename="funny.jpg">
          ????????          <description>A?funny?picture</description>
          ????          </file>
          </directory>
          
		
          
		測試類
          package?learn.xml;

          import?java.io.File;
          import?java.io.IOException;
          import?java.io.StringWriter;
          import?java.io.Writer;
          import?java.util.List;

          import?org.jdom.Document;
          import?org.jdom.Element;
          import?org.jdom.JDOMException;
          import?org.jdom.input.SAXBuilder;
          import?org.jdom.output.Format;
          import?org.jdom.output.XMLOutputter;
          import?org.xml.sax.SAXException;

          /**
          ?*?
          ?*?2006-11-24
          ?*?
          ?*?          @author?Zou?Ang?Contact?<a?href?="mailto:richardeee@gmail.com">Zou?Ang</a>
          ?          */
          public?class?ParseXML?{
          ????          public?void?testParse()?throws?IOException{
          ????????SAXBuilder?builder?          =?new?SAXBuilder(false);
          //????????File?file?=?new?File("D:/XWL/AjaxLearning/WebContent/WEB-INF/dwr.xml");
          ????????try?{
          ????????????Document?document?          =?builder.build(new?File(
          ????????????????????          "D:/XWL/AjaxLearning/WebContent/WEB-INF/MyXml.xml"));
          ????????????Element?root?          =?document.getRootElement();
          ????????????List          <Element>?children?=?root.getChildren();
          ????????????System.out.println(          "Number?of?childern:?"?+?children.size());
          ????????????          for(Element?el?:?children){
          ????????????????String?str?          =?el.getChildText("description");
          ????????????????System.out.println(str);
          ????????????}
          ????????}          ?catch?(JDOMException?e)?{
          ????????????e.printStackTrace();
          ????????}
          ????}
          ????
          ????          public?void?createXML()throws?IOException,JDOMException{
          //????????SAXBuilder?builder?=?new?SAXBuilder(false);
          ????????Element?root?=?new?Element("MyMessage");
          ????????Document?document?          =?new?Document(root);
          ????????Element?message?          =?new?Element("message");
          ????????message.setAttribute(          "type",?"text");
          ????????message.setContent(          new?Element("content").addContent("First?Message"));
          ????????root.addContent(message);
          ????????XMLOutputter?outputter?          =?new?XMLOutputter(Format.getPrettyFormat());
          ????????outputter.output(document,?System.out);
          //????????root.
          ????}
          ????          public?static?void?main(String?arg[])?throws?IOException,JDOMException{
          ????????ParseXML?pxml?          =?new?ParseXML();
          ????????pxml.testParse();
          ????????pxml.createXML();
          ????}
          }

          
		輸出：
          
		
          
				
						
						Number?of?childern:?
						2
				
				
						
          
						
								A?book?list
          A?funny?picture          
				          
		
          
		
				
          
				
          
						
						<?
						xml?version
						=
						"
						1.0
						"
						?encoding
						=
						"
						UTF-8
						"
						?>
						
								
          
								
						          
						<
						MyMessage
						>
						
								
          
								??          
						<
						message?type
						=
						"
						text
						"
						>
						
								
          
								????          
						<
						content
						>
						First?Message
						</
						content
						>
						
								
          
								??          
						</
						message
						>
						
								
          
								
						          
						</
						MyMessage
						>
				
          
				
          要盡快熟練使用JDOM才行          

          
	
          
	


          
	    
    




          








          

				
			
          
		          		
	
          
	
          
		
			


		
	
          

          


    







          
        
	




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