日期:2014-05-20 浏览次数:20844 次
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class window extends JFrame {
private JTextField CellPNum;
private JButton okButton;
private JButton exitButton;
public window() {
CellPNum = new JTextField(11);//前面那个定义去了。因为你后面button里要用这个变量。
JLabel CPNum = new JLabel("CellPhone Number:");
okButton = new JButton("OK");
exitButton = new JButton("EXIT");
okButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (e.getSource() == okButton) {
CHECK();
}
}
});
exitButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (e.getSource() == exitButton) {
EXIT();
}
}
});
JPanel CPN = new JPanel();
CPN.add(CPNum);
CPN.add(CellPNum);
JPanel ButtonPanel = new JPanel();
ButtonPanel.add(okButton);
ButtonPanel.add(exitButton);
Container container = this.getContentPane();
container.setLayout(new GridLayout(2, 1));
container.add(CPN);
container.add(ButtonPanel);
setSize(325, 225);
setVisible(true);
}
protected void CHECK() {
if (CellPNum.getText().equals("")) {
JOptionPane.showMessageDialog(this, "Please fill All field");
} else if (CellPNum.getText().length() > 11) {
JOptionPane.showMessageDialog(this,
"The CellPhone Number's length limit 11 letters");
} else if (CellPNum.getText().length() < 11) {
JOptionPane.showMessageDialog(this,
"Please fill the CellPhone Number");
} else if (CellPNum.getText().matches("[135]+[0-9]*")) {
JOptionPane.showMessageDialog(this,
"This CellPhone Number isn't start with 135");
} else
JOptionPane
.showMessageDialog(this, "This Number is start with 135");
}
protected void EXIT() {
this.setVisible(false);
System.exit(0);
}
public static void main(String[] args) {
new window();
}
}