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我寫14的程式碼(錯的),該如何修正?
- gbConstraints.gridwidth = 2;
- gbConstraints.gridheight = 1;
- gbConstraints.weightx = 2.0;
- gbConstraints.weighty = 1.0;
- button = new Button("14");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
複製代碼
總程式碼:
- import java.awt.*;
- import java.awt.event.*;
- public class HelloWorld extends java.awt.Frame {
- public static void main(String args[]){
- new HelloWorld();
- }
- public HelloWorld() {
- super("03053036");
- Button button;
- GridBagLayout gridbaglayout = new GridBagLayout();
- GridBagConstraints gbConstraints = new GridBagConstraints();
- setLayout(gridbaglayout);
- gbConstraints.fill = GridBagConstraints.BOTH;
- gbConstraints.weightx = 1;
- button = new Button("1");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- button = new Button("2");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- button = new Button("3");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- button = new Button("4");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.REMAINDER;
- button = new Button("5");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.RELATIVE;
- button = new Button("6");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.REMAINDER;
- button = new Button("7");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = 2;
- button = new Button("8");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.REMAINDER;
- button = new Button("9");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = 2;
- gbConstraints.gridheight = 4;
- gbConstraints.weightx = 0.0;
- gbConstraints.weighty = 2.0;
- button = new Button("10");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.REMAINDER;
- gbConstraints.gridheight = 1;
- gbConstraints.weightx = 0.0;
- gbConstraints.weighty = 0.0;
- button = new Button("11");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.REMAINDER;
- gbConstraints.gridheight = 1;
- gbConstraints.weightx = 0.0;
- gbConstraints.weighty = 0.0;
- button = new Button("12");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = GridBagConstraints.REMAINDER;
- gbConstraints.gridheight = 1;
- gbConstraints.weightx = 0.0;
- gbConstraints.weighty = 0.0;
- button = new Button("13");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- gbConstraints.gridwidth = 2;
- gbConstraints.gridheight = 1;
- gbConstraints.weightx = 2.0;
- gbConstraints.weighty = 1.0;
- button = new Button("14");
- gridbaglayout.setConstraints(button, gbConstraints);
- add(button);
- this.setSize(500, 500);
- Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
- Dimension frameSize = this.getSize();
- if (frameSize.height > screenSize.height)
- frameSize.height = screenSize.height;
- if (frameSize.width > screenSize.width)
- frameSize.width = screenSize.width;
- this.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);
- this.setVisible(true);
- this.addWindowListener(new WindowAdapter() {
- public void windowClosing(WindowEvent e) {
- System.exit(0);
- }
- });
- }
- }
複製代碼
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