正则证验

正则验证

package tool;import java.awt.Cursor;import java.awt.GridLayout;import java.awt.LayoutManager;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.regex.Pattern;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JTextArea;import javax.swing.JTextField;import javax.swing.SwingUtilities;@SuppressWarnings("serial")public class RegularTest extends JFrame {int id = 1;private static Pattern pattern;@SuppressWarnings("static-access")public static boolean isRight(String input, String regex) {pattern = Pattern.compile(regex);return pattern.matches(regex, input);}private JButton jButton = new JButton("test");private JTextArea jTextArea1 = new JTextArea(),jTextArea2 = new JTextArea();private JTextField jTextField1 = new JTextField("结果");private LayoutManager layoutManager;public RegularTest() {layoutManager = new GridLayout(3, 2);jTextArea1.setLineWrap(true);jTextArea2.setLineWrap(true);setLayout(layoutManager);add(new JTextField("字符串"));add(jTextArea1);add(new JTextField("正则表达式"));add(jTextArea2);add(jTextField1);jButton.addActionListener(new ActionListener() {@Overridepublic void actionPerformed(ActionEvent e) {jTextField1.setText("结果："+ isRight(jTextArea1.getText(), jTextArea2.getText()));if (id % 2 == 0) {jTextField1.setText("结果");jButton.setText("test");} else {jButton.setText("cancle");}id++;}});Cursor cursor = new Cursor(Cursor.HAND_CURSOR);jButton.setCursor(cursor);add(jButton);}// 入口public static void main(String[] args) {SwingHelp.run(new RegularTest(), 300, 200);}}class SwingHelp {public static void run(final JFrame jFrame, final int x, final int y) {SwingUtilities.invokeLater(new Runnable() {@Overridepublic void run() {jFrame.setTitle(jFrame.getClass().getSimpleName());jFrame.setLocation(500, 350);jFrame.setSize(x, y);jFrame.setVisible(true);jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);}});}}