火车售票系统完整代码VIP免费

package com.yue; import java.awt.Color; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.sql.CallableStatement; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JPasswordField; import javax.swing.JTextArea; import javax.swing.JTextField; public class BuyPanel extends JPanel { StringBuffer sb = new StringBuffer(); private boolean flag = false; JTextArea jtArea = new JTextArea(10, 78); JLabel buyLabel = new JLabel("订票"); JTextField fId = new JTextField(7); JTextField ftid = new JTextField(7); JTextField fche = new JTextField(7); JTextField fzhangshu = new JTextField(7); JTextField fbodyId = new JTextField(7); JPasswordField jpField = new JPasswordField(7); public JPanel getBuypn() { JPanel pan = new JPanel(); GridBagLayout layout = new GridBagLayout(); pan.setLayout(layout); GridBagConstraints con = getGridBagConstraints(0, 0, 1, 1, 100, 100, GridBagConstraints.NONE, GridBagConstraints.WEST); pan.add(buyLabel, con); con = getGridBagConstraints(0, 2, 1, 1, 100, 100, GridBagConstraints.NONE, GridBagConstraints.WEST); pan.add(new pan3(), con); con = getGridBagConstraints(0, 3, 1, 1, 100, 100, GridBagConstraints.NONE, GridBagConstraints.WEST); pan.add(new pan4(), con); con = getGridBagConstraints(0, 4, 1, 1, 100, 100, GridBagConstraints.NONE, GridBagConstraints.EAST); pan.add(new pan5(), con); this.setLocation(270, 150); this.add(pan); return pan; } /** * 定义下面购票操作区面板 pan3 * * @author Administrator * */ class pan3 extends...