日期:2014-05-20  浏览次数:20820 次

SWT文本框中的数字滚动
我的目的是让文本框中的数字在点击button1的时候开始滚动,点击button2的时候停止。
  这个源码大家不用细看,只要粘下来,然后调试着在里面加方法就行。
  见解:我觉的是用线程,不过已经有继承了,所以估计要实现Rannable接口。

Java code


public class NewJFrame extends javax.swing.JFrame{
    public NewJFrame() {
        initComponents();
    }

    @SuppressWarnings("unchecked")
    private void initComponents() {

        button1 = new java.awt.Button();
        button2 = new java.awt.Button();
        textField1 = new java.awt.TextField();
        textField2 = new java.awt.TextField();
        textField3 = new java.awt.TextField();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        button1.setLabel("button1");
        button1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                button1ActionPerformed(evt);
            }
        });

        button2.setLabel("button2");
        button2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                button2ActionPerformed(evt);
            }
        });

        // textField1.setText("textField1");
        //
        // textField2.setText("textField2");
        //
        // textField3.setText("textField3");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(
                getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(layout
                .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(
                        layout.createSequentialGroup()
                                .addGroup(
                                        layout.createParallelGroup(
                                                javax.swing.GroupLayout.Alignment.LEADING)
                                                .addGroup(
                                                        layout.createSequentialGroup()
                                                                .addGap(107,
                                                                        107,
                                                                        107)
                                                                .addComponent(
                                                                        button1,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                .addGap(47, 47,
                                                                        47)
                                                                .addComponent(
                                                                        button2,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE))
                                                .addGroup(
                                                        layout.createSequentialGroup()
                                                                .addGap(51, 51,
                                                                        51)
                                                                .addComponent(
                                                                        textField1,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                .addGap(53, 53,
                                                                        53)
                                                                .addComponent(
                                                                        textField2,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                                                .addGap(56, 56,
                                                                        56)
                                                                .addComponent(
                                                                        textField3,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                                        javax.swing.GroupLayout.PREFERRED_SIZE)))
                                .addContainerGap(60, Short.MAX_VALUE)));
        layout.setVerticalGroup(layout
                .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(
                        layout.createSequentialGroup()
                                .addGap(58, 58, 58)
                                .addGroup(
                                        layout.createParallelGroup(
                                                javax.swing.GroupLayout.Alignment.TRAILING)
                                                .addComponent(
                                                        textField2,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addComponent(
                                                        textField1,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addComponent(
                                                        textField3,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addPreferredGap(
                                        javax.swing.LayoutStyle.ComponentPlacement.RELATED,
                                        121, Short.MAX_VALUE)
                                .addGroup(
                                        layout.createParallelGroup(
                                                javax.swing.GroupLayout.Alignment.LEADING)
                                                .addComponent(
                                                        button2,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE)
                                                .addComponent(
                                                        button1,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE,
                                                        javax.swing.GroupLayout.DEFAULT_SIZE,
                                                        javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGap(73, 73, 73)));

        pack();
    }// </editor-fold>

    private void button1ActionPerformed(java.awt.event.ActionEvent evt) {
        System.out.println("点击开始");
        int x = (int) (Math.random() * 10);
        int y = (int) (Math.random() * 10);
        int z = (int) (Math.random() * 10);
        textField1.setText(Integer.toString(x));

        textField2.setText(Integer.toString(y));

        textField3.setText(Integer.toString(z));
    }

    private void button2ActionPerformed(java.awt.event.ActionEvent evt) {
        System.out.println("点击关闭");
    }

    /**
     * @param args
     *            the command line arguments
     */
    public static void main(String args[]) {
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager
                    .getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(
                    java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(
                    java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(
                    java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(
                    java.util.logging.Level.SEVERE, null, ex);
        }
        java.awt.EventQueue.invokeLater(new Runnable() {

            public void run() {
                new NewJFrame().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify
    private java.awt.Button button1;
    private java.awt.Button button2;
    private java.awt.TextField textField1;
    private java.awt.TextField textField2;
    private java.awt.TextField textField3;
    // End of variables declaration
}