sort2.java

这是排序与表的利用和小型word模拟的java的程序

package yu2;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;

import javax.swing.*;
import javax.swing.table.DefaultTableModel;

public class sort2 extends JFrame implements ActionListener{
	private JLabel jb[]=new JLabel[3];
	private JTextField tf[]=new JTextField[3];
	private JTable jt;
	private Vector vtitle,vall;
	private DefaultTableModel dm;
	private JButton jb1;
	private JButton jb2;
	public sort2(String s)
	{
		super(s);
		this.setSize(550,400);
		this.setDefaultCloseOperation(3);
		JPanel jp=new JPanel();
//		jp.setLayout(new BorderLayout());
		jb[0]=new JLabel("姓名：");
		jp.add(jb[0]);
		tf[0]=new JTextField(10);
		jp.add(tf[0]);
		jb[1]=new JLabel("数学：");
		jp.add(jb[1]);
		tf[1]=new JTextField(10);
		jp.add(tf[1]);
		jb[2]=new JLabel("语文：");
		jp.add(jb[2]);
		tf[2]=new JTextField(10);
		jp.add(tf[2]);
		this.getContentPane().add(jp,"North");
		vtitle=new Vector();
		vtitle.add("姓名");
		vtitle.add("数学");
		vtitle.add("语文");
		vtitle.add("总分");
		vall=new Vector();
		dm=new DefaultTableModel(vall,vtitle);
		jt=new JTable(dm);
		this.getContentPane().add(new JScrollPane(jt),"Center");
		JPanel jp1=new JPanel();
		jb1=new JButton("增加");
		jb1.addActionListener(this);
		jp1.add(jb1);
		jb2=new JButton("排序");
		jb2.addActionListener(this);
		jp1.add(jb2);
		this.getContentPane().add(jp1,"South");
		this.setVisible(true);
	}
	public static void main(String[] args) {
		new sort2("排序与表的应用");
	}
	public void actionPerformed(ActionEvent e) {
		if(e.getSource()==jb1)
		{
			Vector vline = new Vector();
			vline.add(tf[0].getText().trim());
			vline.add(tf[1].getText().trim());
			vline.add(tf[2].getText().trim());
			
			int score;
			try {
				score = Integer.parseInt(tf[1].getText().trim())+Integer.parseInt(tf[2].getText().trim());
				vline.add(""+score);
				dm.addRow(vline);
			} catch (NumberFormatException e1) {
				tf[1].setText(null);
				tf[2].setText(null);
				JOptionPane.showMessageDialog(this,"你输入了非法字符");
				// TODO 自动生成 catch 块
			//	e1.printStackTrace();
			}
			
			
		}
		if(e.getSource()==jb2)
		{
		   Vector []ve=new Vector[vall.size()];
		   for(int i=0;i<vall.size();i++)
		   {
			   ve[i]=(Vector)vall.get(i);
		   }
		    System.out.print(((Vector)(vall.get(0))).get(1));
	    for(int i=0;i<ve.length-1;i++)
	    {
		    	for(int j=i+1;j<ve.length;j++)
		    	{
		    		int score1=Integer.parseInt((ve[i].get(3)).toString().trim());
		    		int score2=Integer.parseInt((ve[j].get(3)).toString().trim());
		    		if(score1>score2)
		    		{
		    			Vector ve1;
		    			ve1=ve[i];
		    			ve[i]=ve[j];
		    			ve[j]=ve1;
		    		}
		    	}
		    }
		    vall=new Vector();
		    for(int i=0;i<ve.length;i++)
		    {
		    	vall.add(ve[i]);
		    }
			System.out.print(vall.size());
		    dm.setDataVector(vall, vtitle);
		
		}
		
	}

}