userinpanel.java~1~

用JBUILDER和SQL2

package bar;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.sql.*;
import java.text.*;
import java.util.*;
import com.borland.dx.sql.dataset.*;

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

public class userInPanel extends JPanel {
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JComboBox jComboBox1 = new JComboBox();
  JTextField jTextField2 = new JTextField();
  JTextField jTextField3 = new JTextField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JPasswordField jPasswordField1 = new JPasswordField();
  barConnect barConnect1=new barConnect();
  private Connection con;
  private Statement queryStmt;
  private Statement insertStmt;
  private String loginQuery;
  private String insertString;

  public userInPanel(mainFrame mFrame) {
    try {
      Frame1 = mFrame;
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel1.setForeground(new Color(187, 173, 201));
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("机器号码：");
    jLabel1.setBounds(new Rectangle(76, 47, 90, 24));
    this.setLayout(null);
    jLabel2.setBounds(new Rectangle(75, 96, 90, 24));
    jLabel2.setText("卡         号：");
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel2.setForeground(new Color(152, 97, 131));
    jLabel3.setBounds(new Rectangle(78, 150, 90, 24));
    jLabel3.setText("密        码：");
    jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel3.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel3.setForeground(Color.red);
    jLabel4.setBounds(new Rectangle(76, 197, 90, 24));
    jLabel4.setText("开始时间：");
    jLabel4.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel4.setFont(new java.awt.Font("Serif", 0, 16));
    jLabel4.setForeground(Color.magenta);
    jComboBox1.setBounds(new Rectangle(167, 47, 129, 26));
    jTextField2.setText("");
    jTextField2.setBounds(new Rectangle(167, 96, 137, 27));
    java.util.Date today = new java.util.Date();
    SimpleDateFormat HMFromat = new SimpleDateFormat("HH:mm");
    String nowTime = HMFromat.format(today);
    jTextField3.setText(nowTime);

    jTextField3.setCaretColor(new Color(180, 166, 0));

    jTextField3.setBounds(new Rectangle(170, 196, 136, 27));

    jButton1.setBounds(new Rectangle(98, 259, 73, 25));
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setForeground(Color.red);
    jButton1.setContentAreaFilled(true);
    jButton1.setText("确定");
    jButton1.addActionListener(new userInPanel_jButton1_actionAdapter(this));
    jButton2.setBounds(new Rectangle(264, 258, 73, 25));
    jButton2.setFont(new java.awt.Font("Serif", 0, 12));
    jButton2.setForeground(Color.green);
    jButton2.setText("重设");
    jPasswordField1.setCaretColor(new Color(7, 0, 0));
    jPasswordField1.setText("");
    jPasswordField1.setBounds(new Rectangle(168, 147, 135, 28));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://102-38:1433;DatabaseName=webbra", "sa", "709394", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "", null, true, Load.ALL));
    this.add(jLabel4, null);
    this.add(jLabel2, null);
    this.add(jLabel1, null);
    this.add(jLabel3, null);
    this.add(jComboBox1, null);
    this.add(jTextField2, null);
    this.add(jButton1, null);
    this.add(jButton2, null);
    this.add(jPasswordField1, null);
    this.add(jTextField3, null);
     con = barConnect.getconn();
    Statement stmt = con.createStatement();
    ResultSet boxRs = stmt.executeQuery("select * from ComputerIDView");

   jComboBox1.addItem("");
   while(boxRs.next()){
     jComboBox1.addItem(boxRs.getString("ComputerID"));//连接并查询需要的数据
   }
   con.close();
  }

  void jButton1_actionPerformed(ActionEvent e) {
    try{
    String passwordtemp = "";
    for(int i=0;i<jPasswordField1.getPassword().length;i++){
      passwordtemp += jPasswordField1.getPassword()[i];
    }
    if(jTextField2.getText().trim() != ""){//测试用户是否输入卡号
           queryStmt = con.createStatement();
           loginQuery = "select * from Card where CardID = " +
               Integer.parseInt(jTextField2.getText().trim()) +
               " and password = " + passwordtemp;//把卡号和密码传到查询语句
           ResultSet rs1 = queryStmt.executeQuery(loginQuery);
           if (rs1.next()) {//把用户上机的信息填写到数据库中
             insertStmt = con.createStatement();
             insertString =
                 "INSERT INTO Event (CardID, ComputerID, BeginTime) VALUES (" +
                 Integer.parseInt(jTextField2.getText().trim()) + ", " +
                 Integer.parseInt(jComboBox1.getSelectedItem().toString()) + ", '" +
                 jTextField3.getText() + ":00')";
             int rs2 = insertStmt.executeUpdate(insertString);
           }
           else {
             jTextField2.setText("卡号或者密码不对");
           }
           rs1.close();
         }
         con.close();
       }
       catch(SQLException ex){
         System.out.print("系统错误，请检测数据库");
       }
       welcomePanel welcomePanel2 = new welcomePanel();
       Frame1.remove(Frame1.getContentPane());
       Frame1.getContentPane().add(welcomePanel2);
       Frame1.setContentPane(welcomePanel2);
       Frame1.show();

  }

  private mainFrame Frame1;
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();

}

class userInPanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  userInPanel adaptee;

  userInPanel_jButton1_actionAdapter(userInPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}