JTabbedPane中的XML解析和显示

Question

我是java的新手我已经解析了XML，现在我必须在相应的JTabbedPane中显示它。我在启动元素方法的属性对象上有错误。

我哪里错了？

import javax.swing.JScrollPane; 
import javax.swing.JTabbedPane; 
import javax.swing.ImageIcon; 
import javax.swing.JLabel; 
import javax.swing.JPanel; 
import javax.swing.JFrame; 
import javax.swing.JTable; 
import javax.xml.parsers.SAXParser; 
import javax.xml.parsers.SAXParserFactory; 
import org.xml.sax.SAXException; 
import org.xml.sax.helpers.DefaultHandler; 
import java.awt.*; 
import java.awt.event.*; 
import java.io.File; 

public class JTabbedPaneDemo extends JPanel { 

    /*static String[] nameatt= {" sv_machineData "," Mould_data "," Core_1 "," Core_2 "};*/ 


    public JTabbedPaneDemo() { 
    // ImageIcon icon = new ImageIcon("java-swing-tutorial.JPG"); 

     JTabbedPane jtbExample = new JTabbedPane(); 

     // Create First Tab. 
     JPanel jplInnerPanel1 = createInnerPanel(); 
     jtbExample.addTab(" Sv_Machine_Data ", jplInnerPanel1); 
     jplInnerPanel1.setLayout(new BorderLayout()); 
     JTable table1 = new JTable(5,3); 
     JScrollPane tableContainer = new JScrollPane(table1); 
     jplInnerPanel1.add(tableContainer,BorderLayout.CENTER); 

     //jtbExample.setSelectedIndex(0); 

     // Create Second Tab. 
     JPanel jplInnerPanel2 = createInnerPanel(); 
     jtbExample.addTab(" Mould_data ", jplInnerPanel2); 
     jplInnerPanel2.setLayout(new BorderLayout()); 
     JTable table2 = new JTable(5,3); 
     JScrollPane tableContainer1 = new JScrollPane(table2); 
     jplInnerPanel2.add(tableContainer1,BorderLayout.CENTER); 

     // Create Third Tab. 
     JPanel jplInnerPanel3 = createInnerPanel(); 
     jtbExample.addTab(" Core_1 ", jplInnerPanel3); 
     jplInnerPanel3.setLayout(new BorderLayout()); 
     JTable table3 = new JTable(5,3); 
     JScrollPane tableContainer3 = new JScrollPane(table3); 
     jplInnerPanel3.add(tableContainer3,BorderLayout.CENTER); 

     // Create Fourth Tab. 
     JPanel jplInnerPanel4 = createInnerPanel(); 
     jtbExample.addTab(" Core_2 ", jplInnerPanel4); 
     jplInnerPanel4.setLayout(new BorderLayout()); 
     JTable table4 = new JTable(5,3); 
     JScrollPane tableContainer4 = new JScrollPane(table4); 
     jplInnerPanel4.add(tableContainer4,BorderLayout.CENTER); 


     // Add the Tabbed Pane to this panel. 
     setLayout(new GridLayout(1, 1)); 
     add(jtbExample); 
    } 

    protected JPanel createInnerPanel() { 
     JPanel jplPanel = new JPanel(); 
     JLabel jlbDisplay = new JLabel(); 
     jlbDisplay.setHorizontalAlignment(JLabel.CENTER); 
     jplPanel.setLayout(new GridLayout(1, 1)); 
     jplPanel.add(jlbDisplay); 
     return jplPanel; 
    } 
    public static void main(String[] args) { 
     JFrame frame = new JFrame("TabbedPane Source Demo"); 
     frame.addWindowListener(new WindowAdapter() { 

      public void windowClosing(WindowEvent e) { 
       System.exit(0); 
      } 
     }); 

     /*final JTabbedPaneDemo xm = new JTabbedPaneDemo();*/ 

     try { 
      SAXParserFactory factory = SAXParserFactory.newInstance(); 
      SAXParser saxParser = factory.newSAXParser(); 

     DefaultHandler handler = new DefaultHandler() { 

     boolean bfname = false; 
     boolean blname = false; 
     String nameAttribute; 

     public void startElement(String uri, String localName,String qName, Attributes attributes) 
     throws SAXException { 

      if (qName.equalsIgnoreCase("TYP")) { 
       bfname = true; 
       } 

      nameAttribute = attributes.getValue("Name"); 

      if (qName.equalsIgnoreCase("VALUE")){ 
       blname = true; 
       } 
     } 
     public void characters(char ch[], int start, int length) 
     throws SAXException { 

      if (bfname) { 
       System.out.println("Type : "+ new String(ch, start, length)); 
       String vtype = new String(ch, start, length); 
       /*xm.textArea.append(vtype+"\n");*/ 
       bfname = false; 
       } 

      if (nameAttribute != null && !nameAttribute.equals("")) { 
       System.out.println("Name : " + nameAttribute); 
       /*vname+=nameAttribute+ ", " +"\n"; 
       xm.textArea_3.setText(vname); 
       */} 

      if (blname) { 
       String vvalue = new String(ch, start, length); 
       System.out.println("Value:" + Double.valueOf(vvalue)); 
       /*xm.textArea_1.append(Double.valueOf(vvalue)+"\n");*/ 
       blname = false; 
       } 
     } 
     }; 

     saxParser.parse(new File("C:"path of xml file".xml"), handler); 
     } 
     catch (Exception e) { 
     e.printStackTrace(); 
     } 
     frame.getContentPane().add(new JTabbedPaneDemo(),BorderLayout.CENTER); 
     frame.setSize(400, 500); 
     frame.setVisible(true); 
    } 
} 

下面是示例XML

<?xml version="1.0" encoding="UTF-8"?> 
<HMI_Data Version="1.0" MaschinenNR.="XXXXXX" Date="21-10-2009"> 
    <VarGroup Name="VG_MachineData"> 
     <Variable Name="Mold1.sv_rMoldStroke"> 
     <Typ>REAL</Typ> 
     <Value>6.000000e+02</Value> 
     </Variable> 
     <Variable Name="Core1.sv_rMaxSpeedFwd"> 
     <Typ>REAL</Typ> 
     <Value>5.000000e+01</Value> 
     </Variable> 
     <Variable Name="Core1.sv_rMaxSpeedBwd"> 
     <Typ>REAL</Typ> 
     <Value>5.000000e+01</Value> 
     </Variable> 
     <Variable Name="Core1.sv_rMaxPressureFwd"> 
     <Typ>REAL</Typ> 
     <Value>1.450000e+02</Value> 
     </Variable> 
     <Variable Name="Core1.sv_rMaxPressureBwd"> 
     <Typ>REAL</Typ> 
     <Value>1.450000e+02</Value> 
     </Variable> 

Answer 1

约20秒与JavaDcos表明：

import org.xml.sax.SAXException; 
import org.xml.sax.helpers.DefaultHandler; 

应该是：

import org.xml.sax.SAXException; 
import org.xml.sax.Attributes; // import it! 
import org.xml.sax.helpers.DefaultHandler;