cardmoneypanel.java~4~

这是本人刚刚得到的JBuilder9软件开发项目实践的源码

package bar;


import java.awt.*;
import javax.swing.*;
import java.sql.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class cardMoneyPanel extends JPanel {
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();

  public cardMoneyPanel(mainFrame mFrame1,int ID) {
    try {
      Frame1 = mFrame1;
      CardID = ID;
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    this.setLayout(null);
    jLabel1.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel1.setText("卡号：");
    jLabel1.setBounds(new Rectangle(100, 75, 60, 30));
    jLabel2.setText(Integer.toString(CardID));
    jLabel2.setBounds(new Rectangle(180, 75, 90, 30));

    jLabel3.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel3.setText("余额：");
    jLabel3.setBounds(new Rectangle(100, 135, 60, 30));

    jLabel4.setBounds(new Rectangle(180, 135, 90, 30));

    this.add(jLabel1, null);
    this.add(jLabel2, null);
    this.add(jLabel3, null);
    this.add(jLabel4, null);

    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
    String url = "jdbc:microsoft:sqlserver://keweixing:1433;DatabaseName=dbbar";
    String username = "sa";
    String password = "";
    con = DriverManager.getConnection(url,username,password);

    Statement stmt = con.createStatement();
    ResultSet rs = stmt.executeQuery("select LeaveMoney from Card where CardID ="+CardID);
    rs.next();
    jLabel4.setText(rs.getString("LeaveMoney"));
    con.close();
    Frame1.login_false();
    Frame1.SetCardID(0);
  }

  private mainFrame Frame1;
  private Connection con;
  private int CardID;
}