学习2

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1.myEvent()

2.button2.addActionListener(new ActionListener()

3.public void actionPerformed(ActionEvent e)

4.JOptionPane.showMessageDialog(null, "程序即将退出...");

4.System.exit(0);

2.button.addActionListener(new ActionListener()

3.public void actionPerformed(ActionEvent e)

4.inname = txt.getText();

4.System.out.println(inname);System.out.println(inname.toString());

4.Boolean GBK = gbk(inname);

if ("".equals(inname)) System.out.println("未输入注册名!"); txt.setText("请输入英文或数字注册名!");txt.setBackground(Color.red);else if(GBK)System.out.println("请输入英文或数字注册名!");txt.setText("请输入英文或数字注册名!");txt.setBackground(Color.red);else MyEclipseGen myeclipsegen = new MyEclipseGen();String res = getSerial(inname, "5");txt2.setText(res);System.out.println(res);

2.txt.addMouseListener(new MouseListener() 3.public void mouseClicked(MouseEvent e) txt.setText("");
txt.setBackground(txt2.getBackground());

public static boolean gbk(String str)

char[] chars = str.toCharArray();

boolean isGB2312 = false;

for (int i = 0; i < chars.length; i++)

byte[] bytes = ("" + chars[i]).getBytes();

if (bytes.length == 2)

int[] ints = new int[2];

ints[0] = bytes[0] & 0xff;

ints[1] = bytes[1] & 0xff;

if (ints[0] >= 0x81 && ints[0] <= 0xFE && ints[1] >= 0x40 && ints[1] <= 0xFE) isGB2312 = true;
break;

return isGB2312;