artsquery.txt

高考信息管理系统

package infomanagement;


import java.awt.*;

import javax.swing.*;

import com.borland.jbcl.layout.*;

import com.borland.dbswing.*;

import com.borland.dx.sql.dataset.*;

import com.borland.dx.dataset.*;

import java.awt.event.*;


/**

 * <p>Title: </p>

 * <p>Description: </p>

 * <p>Copyright: Copyright (c) 2003</p>

 * <p>Company: </p>

 * @author unascribed

 * @version 1.0

 */


public class ArtsQuery extends JDialog {

  private JPanel jPanel1 = new JPanel();

  private XYLayout xYLayout1 = new XYLayout();

  private JLabel jLabel1 = new JLabel();

  private JLabel jLabel2 = new JLabel();

  private JLabel jLabel3 = new JLabel();

  private JTextField jTextField1 = new JTextField();

  private JButton jButton1 = new JButton();

  private JLabel jLabel4 = new JLabel();

  private JdbTable jdbTable1 = new JdbTable();

  private JLabel jLabel5 = new JLabel();

  private JButton jButton2 = new JButton();

  private JdbTextField jdbTextField1 = new JdbTextField();

  private QueryDataSet queryDataSet1 = new QueryDataSet();

  private Database database1 = new Database();

  private QueryDataSet queryDataSet2 = new QueryDataSet();

  private Column column1 = new Column();


  public ArtsQuery(Frame frame, String title, boolean modal) {

    super(frame, title, modal);

    try {

      jbInit();

      pack();

    }

    catch(Exception ex) {

      ex.printStackTrace();

    }

  }


  public ArtsQuery() {

    this(null, "", false);

  }

  private void jbInit() throws Exception {

    jPanel1.setLayout(xYLayout1);

    jLabel1.setFont(new java.awt.Font("Dialog", 0, 23));

    jLabel1.setForeground(Color.magenta);

    jLabel1.setBorder(BorderFactory.createEtchedBorder());

    jLabel1.setText("                     文科科成绩查询");

    jLabel2.setBorder(BorderFactory.createEtchedBorder());

    jLabel3.setText("准考证号");

    jButton1.setText("执行查询");

    jButton1.addActionListener(new java.awt.event.ActionListener() {

      public void actionPerformed(ActionEvent e) {

        jButton1_actionPerformed(e);

      }

    });

    jLabel4.setBorder(BorderFactory.createEtchedBorder());

    jdbTable1.setBorder(BorderFactory.createEtchedBorder());

    jLabel5.setText("总成绩");

    jButton2.setText("退出");

    jButton2.addActionListener(new java.awt.event.ActionListener() {

      public void actionPerformed(ActionEvent e) {

       jButton2_actionPerformed(e);

      }

   });

    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:odbc:local", "sa", "", false, "sun.jdbc.odbc.JdbcOdbcDriver"));
    column1.setColumnName("NewColumn1");

    column1.setDataType(com.borland.dx.dataset.Variant.STRING);
    column1.setPreferredOrdinal(0);

    column1.setServerColumnName("NewColumn1");

    column1.setSqlType(0);

    this.getContentPane().add(jPanel1, BorderLayout.CENTER);

    jPanel1.add(jLabel1, new XYConstraints(0, 1, 399, 53));

    jPanel1.add(jLabel3,  new XYConstraints(10, 68, 90, 20));

    jPanel1.add(jTextField1,     new XYConstraints(110, 68, 90, 20));

    jPanel1.add(jLabel2,   new XYConstraints(0, 53, 398, 49));

    jPanel1.add(jButton1,      new XYConstraints(290, 68, 90, 20));

    jPanel1.add(jdbTable1,  new XYConstraints(1, 104, 394, 153));

    jPanel1.add(jLabel5,   new XYConstraints(20, 270, 90, 20));

    jPanel1.add(jButton2,   new XYConstraints(290, 270, 90, 20));

    jPanel1.add(jdbTextField1,     new XYConstraints(110, 270, 90, 20));

    jPanel1.add(jLabel4, new XYConstraints(-2, 105, 397, 202));

  }

  void cancel(){

    dispose() ;

  }


  void jButton2_actionPerformed(ActionEvent e) {

    cancel() ;

  }


  void jButton1_actionPerformed(ActionEvent e) {

      //进行数据查询

     try{

     //获得准考证号

     int cardID1 = Integer.parseInt(jTextField1.getText().trim());

     //查询学习成绩

     queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT art2.cardID,art2.subject,art2.achievement,art2.subjectNameID " +

      "FROM info.dbo.art2 where art2.cardID='10000002'", null, true, Load.ALL));

     //加入到jdbTable1中

     jdbTable1.setDataSet(queryDataSet1);

     //执行sum语句，获得成绩总分

     queryDataSet2.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT SUM(achievement) AS SUM_achievement FROM info.dbo.art2\n" +

       "where art2.cardID = '"+cardID1+"'", null, true, Load.ALL));

     //在jdbTextField1中加入一列

     jdbTextField1.setColumnName("SUM_achievement");

     //把数据集加入到jdbTextField1中

    jdbTextField1.setDataSet(queryDataSet2);

    }

    catch(Exception www){

      JOptionPane.showMessageDialog(this,"请重新输入准考证号");

    }

  }


}