stationpanel.java~41~

这是本人刚刚得到的JBuilder9软件开发项目实践的源码

package traffic;

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

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

public class stationPanel extends JPanel {
  JSplitPane jSplitPane1 = new JSplitPane();
  JPanel jPanel1 = new JPanel();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JScrollPane jScrollPane1 = new JScrollPane();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  Column column1 = new Column();
  JComboBox jComboBox1 = new JComboBox();
  JComboBox jComboBox2 = new JComboBox();

  public stationPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    this.setLayout(null);
    jSplitPane1.setDividerLocation(80);
    jSplitPane1.setOrientation(JSplitPane.VERTICAL_SPLIT);
    jSplitPane1.setBounds(new Rectangle(0, 0, 400, 300));

    jLabel1.setFont(new java.awt.Font("Serif", 1, 15));
    jLabel1.setText("起点站:");
    jLabel1.setBounds(new Rectangle(40, 15, 52, 25));

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

    Statement stmt1 = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet strs1 = stmt1.executeQuery("select StName from StInfo order by StID");

    jComboBox1.setBounds(new Rectangle(92, 15, 80, 25));
    jComboBox1.addItem("");
    while(strs1.next()){
      jComboBox1.addItem(strs1.getString("StName"));
    }

    jLabel2.setFont(new java.awt.Font("Serif", 1, 15));
    jLabel2.setText("终点站:");
    jLabel2.setBounds(new Rectangle(228, 15, 52, 25));

    jComboBox2.setBounds(new Rectangle(280, 15, 80, 25));
    jComboBox2.addItem("");
    strs1.first();
    jComboBox2.addItem(strs1.getString("StName"));
    while(strs1.next()){
      jComboBox2.addItem(strs1.getString("StName"));
    }
    con.close();

    jButton1.setFont(new java.awt.Font("Serif", 1, 12));
    jButton1.setText("确定");
    jButton1.addActionListener(new stationPanel_jButton1_actionAdapter(this));
    jButton1.setBounds(new Rectangle(115, 50, 65, 25));

    jButton2.setFont(new java.awt.Font("Serif", 1, 12));
    jButton2.setText("清空");
    jButton2.addActionListener(new stationPanel_jButton2_actionAdapter(this));
    jButton2.setBounds(new Rectangle(220, 50, 65, 25));

    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://keweixing:1433;DatabaseName=dbtraffic", "sa", "", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));

    this.add(jSplitPane1, null);
    jPanel1.setLayout(null);
    jPanel1.add(jLabel2, null);
    jPanel1.add(jLabel1, null);
    jPanel1.add(jButton1, null);
    jPanel1.add(jButton2, null);
    jPanel1.add(jComboBox1, null);
    jPanel1.add(jComboBox2, null);
    jSplitPane1.add(jPanel1, JSplitPane.TOP);
    jSplitPane1.add(jScrollPane1, JSplitPane.BOTTOM);
    jScrollPane1.getViewport().add(tableScrollPane1, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);

  }

  void jButton1_actionPerformed(ActionEvent e) {
    queryDataSet1.close();
    stQuery = "SELECT BusNum FROM BusSt WHERE (StID = "+jComboBox1.getSelectedIndex()+") AND (BusNum IN (SELECT BusNum FROM BusSt WHERE StID = "+jComboBox2.getSelectedIndex()+"))";
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, stQuery, null, true, Load.ALL));

    column1.setCaption("车次");
    column1.setColumnName("BusNum");
    column1.setDataType(com.borland.dx.dataset.Variant.INT);
    column1.setTableName("BusSt");
    column1.setServerColumnName("BusNum");
    column1.setSqlType(4);
    queryDataSet1.setColumns(new Column[] {column1});

    queryDataSet1.refresh();
    jdbTable1.setDataSet(queryDataSet1);
  }

  private String stQuery;

  void jButton2_actionPerformed(ActionEvent e) {
    jComboBox1.setSelectedIndex(0);
    jComboBox2.setSelectedIndex(0);
    queryDataSet1.close();
    jdbTable1.setDataSet(queryDataSet1);
  }
}

class stationPanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  stationPanel adaptee;

  stationPanel_jButton1_actionAdapter(stationPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class stationPanel_jButton2_actionAdapter implements java.awt.event.ActionListener {
  stationPanel adaptee;

  stationPanel_jButton2_actionAdapter(stationPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}