querydatasetframe.java~35~

jbuilder2006一书的所有源代码

package dataexpress;

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

public class QueryDataSetFrame extends JFrame implements ActionListener {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  JPanel jPanel1 = new JPanel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  JButton jButton4 = new JButton();

  public QueryDataSetFrame() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    this.setSize(new Dimension(400, 300));
    this.setTitle("QueryDataSet示例");
    //建立与SQLServer的books数据库的联接
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor(
        "jdbc:microsoft:sqlserver://bemyfriend:1433;DatabaseName=books", "sa",
        "", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    queryDataSet1.setAccumulateResults(false);
    //取得bookcategory数据表的记录
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(
        database1, "select * from bookcategory", null, true, Load.ALL));

    jdbTable1.setDataSet(queryDataSet1);
    jButton1.setToolTipText("");
    jButton1.setText("第一条");
    jButton2.setText("上一条");
    jButton3.setText("下一条");
    jButton4.setText("最后一条");
    jButton1.setActionCommand("first");
    jButton2.setActionCommand("prior");
    jButton3.setActionCommand("next");
    jButton4.setActionCommand("last");
    jPanel1.add(jButton1, null);
    jPanel1.add(jButton2, null);
    jPanel1.add(jButton3, null);
    jPanel1.add(jButton4, null);
    //为滚动框加入表格
    tableScrollPane1.getViewport().add(jdbTable1, null);
    contentPane.add(tableScrollPane1, BorderLayout.CENTER);
    contentPane.add(jPanel1, BorderLayout.SOUTH);
  }

  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  public void actionPerformed(ActionEvent e) {
    String actionComm = e.getActionCommand();
    if (actionComm.equals("first")) {
      //显示第1条记录
      queryDataSet1.first();
    }
    if (actionComm.equals("prior")) {
      //显示上1条记录
      queryDataSet1.prior();
    }
    if (actionComm.equals("next")) {
      //显示下1条记录
      queryDataSet1.next();
    }
    if (actionComm.equals("last")) {
      //显示最后1条记录
      queryDataSet1.last();
    }
  }
}