locateframe.java

jbuilder2006一书的所有源代码

package oftenuse;

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

public class LocateFrame 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();
  JTextField jTextField1 = new JTextField();
  JButton jButton1 = new JButton();
  JLabel jLabel1 = new JLabel();

  public LocateFrame() {
    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("数据表定位操作示例");
    //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));
    jLabel1.setText("图书类别名字:");
    jTextField1.setPreferredSize(new Dimension(100, 22));
    jButton1.setText("定位");
    jButton1.addActionListener(this);
    //设置表格的数据源
    jdbTable1.setDataSet(queryDataSet1);
    jPanel1.add(jLabel1, null);
    jPanel1.add(jTextField1, null);
    jPanel1.add(jButton1, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);
    contentPane.add(tableScrollPane1, BorderLayout.CENTER);
    contentPane.add(jPanel1, BorderLayout.NORTH);

  }

  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
  public void actionPerformed(ActionEvent e) {
    String searchVal = jTextField1.getText();
    //根据数据类和字段名创建记录类
    DataRow searchRow = new DataRow(queryDataSet1, "categoryName");
    searchRow.setString("categoryName", searchVal);
    //Locate.PARTIAL表示只要字符串部分相同便可,Locate.FIRST表示搜索第1条相同记录
    queryDataSet1.locate(searchRow, Locate.PARTIAL + Locate.FIRST);
  }
}