如何從表中獲取數據並將其顯示在Java的另一個表中？

Question

如何從表中獲取數據並將其顯示在Java的另一個表中？ 我從表中選擇一行並獲取其值，但我不知道如何顯示另一個表。

Answer 1

從一個表複製數據到另一個表的Netbean項目 希望這有助於。

import javax.swing.table.DefaultTableModel; 

/* 
* To change this license header, choose License Headers in Project Properties. 
* To change this template file, choose Tools | Templates 
* and open the template in the editor. 
*/ 
/** 
* 
* @author razak 
*/ 
public class CopyDataFromTableToAnotherTable extends javax.swing.JFrame { 

    /** 
    * Creates new form CopyDataFromTableToAnotherTable 
    */ 
    public CopyDataFromTableToAnotherTable() { 

     initComponents(); 
     populateTableToCopyFrom(); 


    } 

    /** 
    * This populates tableToCopyDataFrom with test data 
    */ 
    private void populateTableToCopyFrom() { 
     String [] columnName = {"Name","Age"}; 
     DefaultTableModel tableModel = new DefaultTableModel(columnName,0); 
     for (int i = 0; i < 5; i++){ 
      String temp[] = {"Student " + i, (i+ 1)* 10+ ""}; 
      tableModel.addRow(temp); 
     } 
     tableToCopyDataFrom.setModel(tableModel); 
    } 

    /** 
    * This methods copies values from tableToCopyDataFrom to tableToCopyDataTo 
    */ 
    private void copyDataToTableFromTable(){ 
     DefaultTableModel tableModel = (DefaultTableModel)tableToCopyDataFrom.getModel(); 
     tableToCopyDataTo.setModel(tableModel); 
    } 

    /** 
    * This method is called from within the constructor to initialize the form. 
    * WARNING: Do NOT modify this code. The content of this method is always 
    * regenerated by the Form Editor. 
    */ 
    @SuppressWarnings("unchecked") 
    // <editor-fold defaultstate="collapsed" desc="Generated Code">       
    private void initComponents() { 

     jScrollPane1 = new javax.swing.JScrollPane(); 
     tableToCopyDataFrom = new javax.swing.JTable(); 
     jScrollPane2 = new javax.swing.JScrollPane(); 
     tableToCopyDataTo = new javax.swing.JTable(); 
     copyToTableButton = new javax.swing.JButton(); 

     setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); 

     tableToCopyDataFrom.setModel(new javax.swing.table.DefaultTableModel(
      new Object [][] { 

      }, 
      new String [] { 

      } 
     )); 
     jScrollPane1.setViewportView(tableToCopyDataFrom); 

     tableToCopyDataTo.setModel(new javax.swing.table.DefaultTableModel(
      new Object [][] { 

      }, 
      new String [] { 

      } 
     )); 
     jScrollPane2.setViewportView(tableToCopyDataTo); 

     copyToTableButton.setText("Copy To Table below"); 
     copyToTableButton.addActionListener(new java.awt.event.ActionListener() { 
      public void actionPerformed(java.awt.event.ActionEvent evt) { 
       copyToTableButtonActionPerformed(evt); 
      } 
     }); 

     javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); 
     getContentPane().setLayout(layout); 
     layout.setHorizontalGroup(
      layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
      .addGroup(layout.createSequentialGroup() 
       .addContainerGap() 
       .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false) 
        .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 375, Short.MAX_VALUE) 
        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)) 
       .addContainerGap(19, Short.MAX_VALUE)) 
      .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup() 
       .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) 
       .addComponent(copyToTableButton) 
       .addGap(50, 50, 50)) 
     ); 
     layout.setVerticalGroup(
      layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) 
      .addGroup(layout.createSequentialGroup() 
       .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 118, javax.swing.GroupLayout.PREFERRED_SIZE) 
       .addGap(29, 29, 29) 
       .addComponent(copyToTableButton) 
       .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 30, Short.MAX_VALUE) 
       .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 145, javax.swing.GroupLayout.PREFERRED_SIZE) 
       .addGap(51, 51, 51)) 
     ); 

     pack(); 
    }// </editor-fold>       

    /** 
    * Button click that copies data to the second table 
    * @param evt event listener 
    */ 
    private void copyToTableButtonActionPerformed(java.awt.event.ActionEvent evt) {             
     // TODO add your handling code here: 
     copyDataToTableFromTable(); 
    }             

    /** 
    * @param args the command line arguments 
    */ 
    public static void main(String args[]) { 
     /* Set the Nimbus look and feel */ 
     //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> 
     /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. 
     * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
     */ 
     try { 
      for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { 
       if ("Nimbus".equals(info.getName())) { 
        javax.swing.UIManager.setLookAndFeel(info.getClassName()); 
        break; 
       } 
      } 
     } catch (ClassNotFoundException ex) { 
      java.util.logging.Logger.getLogger(CopyDataFromTableToAnotherTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
     } catch (InstantiationException ex) { 
      java.util.logging.Logger.getLogger(CopyDataFromTableToAnotherTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
     } catch (IllegalAccessException ex) { 
      java.util.logging.Logger.getLogger(CopyDataFromTableToAnotherTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
     } catch (javax.swing.UnsupportedLookAndFeelException ex) { 
      java.util.logging.Logger.getLogger(CopyDataFromTableToAnotherTable.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); 
     } 
     //</editor-fold> 

     /* Create and display the form */ 
     java.awt.EventQueue.invokeLater(new Runnable() { 
      public void run() { 
       new CopyDataFromTableToAnotherTable().setVisible(true); 
      } 
     }); 
    } 

    // Variables declaration - do not modify      
    private javax.swing.JButton copyToTableButton; 
    private javax.swing.JScrollPane jScrollPane1; 
    private javax.swing.JScrollPane jScrollPane2; 
    private javax.swing.JTable tableToCopyDataFrom; 
    private javax.swing.JTable tableToCopyDataTo; 
    // End of variables declaration     
}