public ReadMail(User user, List<Mail> readList, int index) {
		this(new java.awt.Frame(), true);
		this.user = user;
		this.index = index;
		this.readList = readList;

		initComponents();
		addWindowListener(new java.awt.event.WindowAdapter() {
			public void windowClosing(java.awt.event.WindowEvent e) {
				dispose();
			}
		});

		jButton3ActionPerformed(null);//ʼ״̬
		setLocation(220, 170);
		this.setVisible(true);
	}