Java表格控件的使用

Java表格控件的使用

import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;

public class StudentSystem extends JFrame{

private String[] columnNames ={"ID","姓名","学号","分数"};

private Object[][] rowData = {
    {"001","卞炎安","200753225130","95"
    },
    {"002","周天宇","200753225112","98"
    
    },
    {"003","陆登基","200753225132","99"
    },
    {"004","陈少","200753225132","99"
    },
    {"005","陆挺","200753225132","99"
    },
    {"006","啊为","200753225132","99"
    },
    {"007","小滔滔","200753225133","99"
    },
  
    {"008","郭楠","200753225132","99"
    },
    {"009","营长","200753225132","99"
    },
    {"010","子论","200753225132","99"
    }

};

private JTable jTable = new JTable(rowData,columnNames);

private JSpinner jspiRowHeight = new JSpinner(new SpinnerNumberModel(16,1,50,1));

private JSpinner jspiRowMargin = new JSpinner(new SpinnerNumberModel(1,1,50,1));

private JCheckBox jchkShowGrid = new JCheckBox("showGrid",true);

private JComboBox jcboAutoResizeMode= new JComboBox(new String[]{"AUTO_RESIZE_OFF",
    "AUTO_RESIZE_LAST_COLUMN","AUTO_RESIZE_SUBSEQUENT_COLUMNS","AUTO_RESIZE_NEXT_COLUMN",
    "AUTO_RESIZE_ALL_COLUMNS"});

public StudentSystem(){
   super("学籍管理系统");
   JPanel panel1 = new JPanel();
   panel1.add(new JLabel("行高"));
   panel1.add(jspiRowHeight);
   panel1.add(new JLabel("行间距"));
   panel1.add(jspiRowMargin);
   panel1.add(jchkShowGrid);
 
   JPanel panel2 = new JPanel();
   panel2.add(new JLabel("列调整方式"));
   panel2.add(jcboAutoResizeMode);
 
   add(panel1,BorderLayout.SOUTH);
   add(panel2,BorderLayout.NORTH);
   add(new JScrollPane(jTable));
   setSize(500,300);
   setVisible(true);
 
   jTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
   jTable.setGridColor(Color.BLUE);
   jTable.setSelectionBackground(Color.RED);
   jTable.setSelectionForeground(Color.WHITE);
 
   jspiRowHeight.addChangeListener(new ChangeListener(){
    public void stateChanged(ChangeEvent e){
     jTable.setRowHeight(((Integer)(jspiRowHeight.getValue())).intValue());
    }
   });
 
   jspiRowMargin.addChangeListener(new ChangeListener(){
    public void stateChanged(ChangeEvent e){
     jTable.setRowMargin(((Integer)(jspiRowMargin.getValue())).intValue());
   
    }
   });
 
   jchkShowGrid.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent e){
     jTable.setShowGrid(jchkShowGrid.isSelected());
    }
   });
 
   jcboAutoResizeMode.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent e){
     String selectedItem = (String)jcboAutoResizeMode.getSelectedItem();
   
     if(selectedItem.equals("AUTO_RESIZE_OFF"))
      jTable.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
   
     else if(selectedItem.equals("AUTO_RESIZE_LAST_COLUMN"))
      jTable.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);

     else if(selectedItem.equals("AUTO_RESIZE_SUBSEQUENT_COLUMNS"))
      jTable.setAutoResizeMode(JTable.AUTO_RESIZE_SUBSEQUENT_COLUMNS);
   
     else if(selectedItem.equals("AUTO_RESIZE_NEXT_COLUMN"))
      jTable.setAutoResizeMode(JTable.AUTO_RESIZE_NEXT_COLUMN);
   
     else if(selectedItem.equals("AUTO_RESIZE_ALL_COLUMNS"))
      jTable.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS);
    }
   });
}

public static void main(String[] args){
   new StudentSystem();
}

}