dialog1.java~6~

基于数据库组件的系统开发的实例

package parkingsystem;

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

public class Dialog1 extends JDialog {
  JPanel panel1 = new JPanel();
  Database database1 = new Database();
  ParameterRow parameterRow1 = new ParameterRow();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  Column column1 = new Column();
  int cardID;
  JButton jButton1 = new JButton();
  QueryDataSet queryDataSet2 = new QueryDataSet();
  ParameterRow parameterRow2 = new ParameterRow();
  Column column2 = new Column();

  public Dialog1(Frame frame, String title, boolean modal,int cardID) {
    super(frame, title, modal);
    this.cardID=cardID;
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public Dialog1() {
    this(null, "", false,0);
  }
  private void jbInit() throws Exception {
    panel1.setLayout(null);
    panel1.setPreferredSize(new Dimension(400, 300));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://localhost:1433;DataBaseName=carparkingdb", "sa", "", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    column1.setColumnName("CardID");
    column1.setCurrency(false);
    column1.setDataType(com.borland.dx.dataset.Variant.INT);
    column1.setDefault("0");
    column1.setServerColumnName("NewColumn1");
    column1.setSqlType(0);
    parameterRow1.setColumns(new Column[] {column1});
    queryDataSet1.setEnableInsert(true);
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from event where CardID=:CardID and OutTime is NULL", parameterRow1, true, Load.ALL));
    jButton1.setBounds(new Rectangle(106, 57, 103, 124));
    jButton1.setText("jButton1");
    queryDataSet2.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from event where CardID=:CardID", parameterRow2, true, Load.ALL));
    column2.setColumnName("CardID");
    column2.setDataType(com.borland.dx.dataset.Variant.INT);
    column2.setDefault("0");
    column2.setServerColumnName("NewColumn1");
    column2.setSqlType(0);
    parameterRow2.setColumns(new Column[] {column2});
    getContentPane().add(panel1);
    panel1.add(jButton1, null);
    parameterRow1.setInt("CardID",cardID);
    queryDataSet1.refresh();
  }
}