jpasswordfieldtest.java

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

public class JPasswordFieldTest extends JApplet implements ActionLinstener
{
   Jlabel jl1,jl2;
   JPasswordField jp1,jp2;
   JButton commit,cancel;

   public void init()
   {
		Container c=getContentPane();
		jl1=new JLabel("请输入您的密码：");
		jl2=new JLabel("请再次输入密码：");
		jp1=new JPasswordField(10);
		jp2=new JPasswordField(10);
		commit=new JButton("确认");
		cancel=new JButton("清除");
		c.setLayout(new GridLayout(3,2));
		c.add(jl1);
		c.add(jp1);
		c.add(jl2);
		c.add(jp2);
		c.add(commit);
		c.add(cancel);
		commit.addActionListener(this);
		cancel.addActionListener(this);
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==commit)
			if(String.valueOf(jp1.getPassword()).equals(
                                String.valueOf(jp2.getPassword())))
			else
				showStatus("两次输入的密码不同，请重新输入！");
		if(e.getSource()==cancel)
		{
			jp1.setText(" ");
                        jp2.setText(" ");
		}
	}
}