message.java

该程序包括排序与向量建立表的基本功能

package yu3;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Date;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTextField;

public class Message extends JFrame implements ActionListener{
	private JButton b1,b2,b3,b4;
	public Message(){
		super();
		JOptionPane.showMessageDialog(null, "你好！欢迎进入");
	   this.setDefaultCloseOperation(3);
		b1=new JButton("Message");
		b1.addActionListener(this);
		b2=new JButton("confirm");
		b2.addActionListener(this);
		b3=new JButton("input");
		b3.addActionListener(this);
		b4=new JButton("other");
		b4.addActionListener(this);
		this.getContentPane().setLayout(new FlowLayout());
		this.getContentPane().add(b1);
		this.getContentPane().add(b2);
		this.getContentPane().add(b3);
		this.getContentPane().add(b4);
		this.setBounds(400,400, 600, 600);
		this.setVisible(true);
		validate();
		}

	public void actionPerformed(ActionEvent e) {
		if(e.getActionCommand().equals("Message"))
		{JOptionPane.showMessageDialog(null, "hello....");
		}
		if(e.getSource()==b2)
		/*{ int st=JOptionPane.showConfirmDialog(null, "Are you sure");
		
		}*/
		{ JComboBox cb=new JComboBox();
		  cb.addItem("1");
		  cb.addItem("2");
		  cb.addItem("3");
		  cb.addItem("4");
		  cb.addItem("5");
		  JTextField[] tf=new JTextField[8];
		  for(int i=0;i<tf.length;i++){ 
			  tf[i]=new JTextField(10);
			  if(i%2==0){ tf[i].setEnabled(false);
		  }
		  
		}
		  tf[0].setText("input you name");
		  tf[2].setText("input you sex");
		  tf[4].setText("input you age");
		  tf[6].setText("input you address");
		  int st=JOptionPane.showConfirmDialog(null, tf);
		  if(st==JOptionPane.YES_OPTION){
			  System.out.println("name"+"  "+tf[1].getText());
			  System.out.println("sex"+"   "+tf[3].getText());
			  System.out.println("age"+"   "+tf[5].getText());
			  System.out.println("address"+"   "+tf[7].getText());
		  }}
		
  if(e.getSource()==b3)
  {  String name=JOptionPane.showInputDialog("请输入你的名字");
  System.out.println(name);
  }
  if(e.getSource()==b4)
  {JOptionPane.showMessageDialog(null, ERROR, "警告", JOptionPane.WARNING_MESSAGE);
  }
  }
public static void main(String args[])
	{ new Message();}
}