tableofmail.java~41~

Mail Of Java

package mailofjava;
/*以表格形式显示mail*/
/* 曾海 2003-7*/
/*使用mvc 模式的jtable和jdatamodel*/


import java.awt.*;
import java.awt.event.*;
import javax.swing.JFrame;
import javax.swing.table.*;
import javax.swing.*;
import javax.swing.event.*;
public class TableOfMail extends JFrame {

  JPanel jp1;
  JButton jb1;
  JTable jtable;
  JScrollPane jsp;


  public TableOfMail() {
    this.getContentPane().setLayout(new FlowLayout());
    jp1= new JPanel();

    jtable=new JTable(new MyModel());
    jtable.setForeground(java.awt.Color.blue);

    jsp=new JScrollPane();
   jsp.getViewport().add(jtable);
 this.getContentPane() .add(jsp);
  }

  public static void main(String[] args) {
    TableOfMail tableOfMail = new TableOfMail();
    tableOfMail.setSize(500,400);
    tableOfMail.setVisible(true) ;
    tableOfMail.addWindowListener(new WindowAdapter()
    {
       public void windowClosing(WindowEvent e){ System.exit(0) ;}
    }
    );

  }
}

class MyModel extends DefaultTableModel {
  // AbstractTableModel takes care of
  // TableModelListener list management,不用AbstractTableModel了

  String[][] tableContents={
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"},
  { "Hello ZengHai!","2003-09-27","10544", "bytes","text/plain"}
}  ;


  String  colname[]={"Subject ","date","bytes","label","type"};

private int numColumns = colname.length;
private int numRows = tableContents.length;

public int getColumnCount() {//超越基类的方法
  return numColumns;
}

public int getRowCount() {
  return numRows;
}
public Object getValueAt (int row, int column) {//取得值，好象是容器回调的
  return tableContents[row][column];
}
public String getColumnName (int columnIndex) {
  return colname[columnIndex];
}

public void setValueAt (Object aValue, //设定值
    int row, int column) {
  String cellValue;
  if (aValue instanceof String)
      cellValue = (String)aValue;
  else
     cellValue = aValue.toString();
  tableContents[row][column] = cellValue;
  fireTableCellUpdated (row, column);//通知listenter
}
public boolean isCellEditable(int row, int column) {
//所有值只读
  return false;

}
/*
getColumn
public TableColumn getColumn(Object identifier)
Returns the TableColumn object for the column in the table whose identifier is equal to identifier,
when compared using equals.
Parameters:identifier - t
he identifier object
Returns:the TableColumn object that matches the identifierThrows:
IllegalArgumentException - if identifier is null or no TableColumn has this identifier
*/




 public    MyModel(){
  }

}///default