tkczdialog.java~16~

编程简单

package myproject;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.border.*;
import java.awt.event.*;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.ResultSet;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class TkczDialog extends JDialog {
  private JPanel panel1 = new JPanel();
  private JLabel jLabel1 = new JLabel();
  private XYLayout xYLayout1 = new XYLayout();
  private JTextField tkField = new JTextField();
  private JButton jButton1 = new JButton();
  private JButton jButton2 = new JButton();
  private Border border1;
  Connection con = null;
  Frame2 frame = null;

  public TkczDialog(Frame2 frame, String title, boolean modal) {
    super(frame, title, modal);
    try {
      this.frame = frame;
      this.con = frame.con1;
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public TkczDialog() {
    this(null, "查找", false);
  }
  private void jbInit() throws Exception {
    border1 = BorderFactory.createEmptyBorder(0,10,15,10);
    panel1.setLayout(xYLayout1);
    jLabel1.setText("请输入关键字：");
    jButton1.setText("查找");
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    jButton2.setText("取消");
    jButton2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    getContentPane().add(panel1);
    panel1.setBorder(border1);
    panel1.add(jLabel1, new XYConstraints(3, 23, 93, 30));
    panel1.add(tkField, new XYConstraints(104, 23, 230, 30));
    panel1.add(jButton1, new XYConstraints(351, 24, -1, -1));
    panel1.add(jButton2, new XYConstraints(427, 24, -1, -1));
  }

  void jButton2_actionPerformed(ActionEvent e) {
    this.setVisible(false);
    this.dispose();
  }

  void jButton1_actionPerformed(ActionEvent e) {
    try{
      String indexStr = tkField.getText();
      Statement sta = con.createStatement();
      String sql = "select tiaowen from fltw where sy_id='"+indexStr+"'";
      ResultSet set = sta.executeQuery(sql);
      frame.text.setText("");
      while(set.next()){
        frame.text.append(set.getString(1).trim()+"\n");
      }
      set.close();
      sta.close();
      frame.validate();
      frame.repaint();
    }
    catch(SQLException ex){
      ex.printStackTrace();
    }

  }
}