outmoneypanel.java

用JBUILDER和SQL2

package bar;

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


/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class outMoneyPanel extends JPanel {
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JLabel jLabel5 = new JLabel();
  JLabel jLabel6 = new JLabel();
  JLabel jLabel7 = new JLabel();
  JLabel jLabel8 = new JLabel();

  public outMoneyPanel(int CID) {
    try {
      ComputerID = CID;
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Serif", 1, 14));
    jLabel1.setForeground(new Color(0, 151, 217));
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("机器号：");
    jLabel1.setBounds(new Rectangle(72, 32, 101, 29));
    this.setLayout(null);
    jLabel2.setBounds(new Rectangle(186, 32, 101, 29));
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setText(Integer.toString(ComputerID));
    jLabel2.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel2.setForeground(new Color(255, 255, 33));
    jLabel3.setBounds(new Rectangle(73, 81, 101, 29));
    jLabel3.setText("卡     号：");
    jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel3.setFont(new java.awt.Font("Serif", 1, 14));
    jLabel3.setForeground(Color.magenta);
    jLabel4.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel4.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel4.setText("");
    jLabel4.setBounds(new Rectangle(187, 78, 101, 29));
    jLabel5.setFont(new java.awt.Font("Serif", 1, 14));
    jLabel5.setForeground(Color.cyan);
    jLabel5.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel5.setText("使用时间：");
    jLabel5.setBounds(new Rectangle(77, 135, 101, 29));
    jLabel6.setBounds(new Rectangle(192, 134, 101, 29));
    jLabel6.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel6.setText("");
    jLabel6.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel6.setForeground(UIManager.getColor("ToolBar.dockingForeground"));
    jLabel7.setBounds(new Rectangle(75, 186, 101, 29));
    jLabel7.setText("此卡余额：");
    jLabel7.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel7.setFont(new java.awt.Font("Serif", 1, 14));
    jLabel7.setForeground(Color.red);
    jLabel8.setBounds(new Rectangle(197, 185, 101, 29));
    jLabel8.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel8.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel8.setForeground(Color.blue);
    this.add(jLabel1, null);
    this.add(jLabel4, null);
    this.add(jLabel3, null);
    this.add(jLabel5, null);
    this.add(jLabel6, null);
    this.add(jLabel7, null);
    this.add(jLabel8, null);
    this.add(jLabel2, null);
    con = barConnect.getconn();
    Statement stmt = con.createStatement();
    ResultSet viewRs = stmt.executeQuery(
        "select * from TimeMoneyView where ComputerID = " + ComputerID +
        " order by EventID desc");
    viewRs.next();
    eachMoney = Integer.parseInt(viewRs.getString("EachMoney"));
    cardID = Integer.parseInt(viewRs.getString("CardID"));
    jLabel4.setText(Integer.toString(cardID));
    timeString = viewRs.getString("AllTime");
    StringTokenizer st1 = new StringTokenizer(timeString, " ");
    st1.nextToken();
    jLabel6.setText(st1.nextToken().toString());
    viewRs.close();

    cost = 0;
    StringTokenizer st = new StringTokenizer(timeString, " ");
    st.nextToken();
    StringTokenizer stt = new StringTokenizer(st.nextToken(), ":");
    cost += Integer.parseInt(stt.nextToken().toString()) * 1.0 * eachMoney;
    cost += Integer.parseInt(stt.nextToken().toString()) * 0.0166 * eachMoney;//计算上网时间

    Statement insertstmt = con.createStatement();
    int rs1 = insertstmt.executeUpdate(
        "update Card set LeaveMoney = LeaveMoney-" + cost + " where CardId =" +
        cardID);
    cost = 0;
    if (rs1 != 0) {
      Statement leavestmt = con.createStatement();
      ResultSet leaveMoney = leavestmt.executeQuery(
          "Select LeaveMoney from Card where CardId =" + cardID);
      leaveMoney.next();
      jLabel8.setText(leaveMoney.getString("LeaveMoney"));

    }
  }

  private float cost;
  private int eachMoney;
  private int cardID;
  private String timeString;
  private Connection con;
  private int ComputerID;

}