multidatapleclassframe1.java

jbuilder2006一书的所有源代码

package dbswing;

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

public class MultiDatapleClassFrame1 extends JFrame implements ActionListener {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  QueryDataSet queryDataSet2 = new QueryDataSet();
  Column column1 = new Column();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  JPanel jPanel1 = new JPanel();
  JPanel jPanel2 = new JPanel();
  JdbComboBox jdbComboBox1 = new JdbComboBox();
  TableScrollPane tableScrollPane2 = new TableScrollPane();
  JdbList jdbList1 = new JdbList();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JButton jButton3 = new JButton();
  JButton jButton4 = new JButton();

  public MultiDatapleClassFrame1() {
    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("多个数据的数据显示类示例");
    //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"));
    //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));
    //取得books数据表的记录
    queryDataSet2.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(
        database1, "select * from books", null, true, Load.ALL));
    //设置字段属性
    column1.setColumnName("categoryId");
    column1.setDataType(com.borland.dx.dataset.Variant.INT);
    column1.setPickList(new com.borland.dx.dataset.PickListDescriptor(
        queryDataSet1, new String[] {"ID"}
        , new String[] {"CATEGORYNAME"}
        , new String[] {"CATEGORYID"}
        , "CATEGORYNAME", false));
    column1.setTableName("books");
    column1.setServerColumnName("categoryId");
    column1.setSqlType(4);
    //为QueryDataSet类加入设置后的字段
    queryDataSet2.setColumns(new Column[] {column1});
    jdbComboBox1.setPreferredSize(new Dimension(100, 22));
    tableScrollPane2.setPreferredSize(new Dimension(100, 70));
    //设置数据显示类的数据源和字段
    jdbComboBox1.setColumnName("categoryId");
    jdbComboBox1.setDataSet(queryDataSet2);
    jdbList1.setColumnName("categoryId");
    jdbList1.setDataSet(queryDataSet2);
    jdbTable1.setDataSet(queryDataSet2);
    //设置按钮的属性
    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");
    jButton1.addActionListener(this);
    jButton2.addActionListener(this);
    jButton3.addActionListener(this);
    jButton4.addActionListener(this);
    jPanel1.add(jdbComboBox1, null);
    jPanel1.add(tableScrollPane2, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);
    tableScrollPane2.getViewport().add(jdbList1, null);
    jPanel2.add(jButton1, null);
    jPanel2.add(jButton2, null);
    jPanel2.add(jButton3, null);
    jPanel2.add(jButton4, null);
    contentPane.add(tableScrollPane1, BorderLayout.CENTER);
    contentPane.add(jPanel1, BorderLayout.NORTH);
    contentPane.add(jPanel2, 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
      queryDataSet2.first();
    }
    if (actionComm.equals("prior")) {
      //显示上1条记录
      queryDataSet2.prior();
    }
    if (actionComm.equals("next")) {
      //显示下1条记录
      queryDataSet2.next();
    }
    if (actionComm.equals("last")) {
      //显示最后1条记录
      queryDataSet2.last();
    }
  }
}