GridBagLayout 不起作用

RyanNewLife 2017-10-20 10:58:52

public CheckCertificate() {

		contentPanel = new JPanel();

		label01 = new JLabel(Constant.CHECK_CERTIFICATE_WIN_LABEL_01);

		label02 = new JLabel(Constant.CHECK_CERTIFICATE_WIN_LABEL_02);

		textField01 = new JTextField();

		textField02 = new JTextField();

		button01 = new JButton(Constant.CHECK_CERTIFICATE_WIN_BUTTON_01);

		button02 = new JButton(Constant.CHECK_CERTIFICATE_WIN_BUTTON_02);

		//窗口默认大小

    	this.setSize(WIDTH,HEIGHT);    	

    	//获取屏幕大小

        Dimension screenSize =Toolkit.getDefaultToolkit().getScreenSize();

        //窗口居中显示

        this.setLocation(screenSize.width/2 - this.WIDTH/2, screenSize.height/2 - this.HEIGHT/2);

	   	//窗口关闭时后台程序关闭

	    this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);

	    //窗口标题

	    this.setTitle("核对证件");

	    

	    GridBagLayout gbl = new GridBagLayout();  

	    GridBagConstraints gbs = new GridBagConstraints();	 

	    contentPanel.setLayout(gbl);

	    contentPanel.add(button01);contentPanel.add(button02);	    

	    

		gbs.fill=GridBagConstraints.BOTH;gbs.gridwidth=4;gbs.gridheight=1;  

		gbs.insets = new Insets(5, 5, 5, 5);

		gbs.weightx=0;gbs.weighty=0;  

	    gbs.gridx=0;gbs.gridy=0;  

	    gbl.setConstraints(button01, gbs);

	    

	    gbs.fill=GridBagConstraints.BOTH;gbs.gridwidth=1;gbs.gridheight=1;  

	    gbs.weightx=0;gbs.weighty=0;  

	    gbs.gridx=4;gbs.gridy=0;

	    gbl.setConstraints(button02, gbs);

	    

	    

	    this.setContentPane(contentPanel);	    

	    this.setVisible(true);

	}