xgdialog.java~53~

编程简单

package myproject;

import java.awt.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.border.*;
import java.sql.Connection;
import java.awt.event.*;
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 XgDialog extends JDialog {
  private JPanel panel1 = new JPanel();
  private JLabel jLabel1 = new JLabel();
  private JTextField indexField = new JTextField();
  private JButton selectButt = new JButton();
  private JButton jButton2 = new JButton();
  private JButton jButton3 = new JButton();
  private Border border1;
  Connection con = null;
  Frame2 frame = null;
  String str = null;
  private JLabel jLabel2 = new JLabel();
  private JTextField tiaoField = new JTextField();
  private JLabel jLabel3 = new JLabel();
  private Border border2;
  private GridBagLayout gridBagLayout1 = new GridBagLayout();
  private JScrollPane jScrollPane1 = new JScrollPane();
  private JTextArea text = new JTextArea();

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

  public XgDialog() {
    this(null, "修改对话框", false);
  }
  private void jbInit() throws Exception {
    border1 = BorderFactory.createEmptyBorder(0,10,15,10);
    border2 = BorderFactory.createBevelBorder(BevelBorder.LOWERED,Color.white,Color.white,new Color(124, 124, 124),new Color(178, 178, 178));
    panel1.setLayout(gridBagLayout1);
    jLabel1.setText("请输入删除的文件名：");
    selectButt.setText("查找");
    selectButt.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        selectButt_actionPerformed(e);
      }
    });
    jButton2.setText("删除");
    jButton2.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton2_actionPerformed(e);
      }
    });
    jButton3.setText("取消");
    jButton3.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton3_actionPerformed(e);
      }
    });
    jLabel2.setText("第");
    jLabel3.setText("条");
    panel1.setBorder(border1);
    text.setText("");
    panel1.add(selectButt,                new GridBagConstraints(6, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(16, 0, 0, 0), 0, 0));
    panel1.add(jLabel1,                new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(16, -1, 0, 0), 3, 12));
    panel1.add(jLabel2,                new GridBagConstraints(3, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(16, 0, 0, 0), 8, 12));
    panel1.add(tiaoField,                new GridBagConstraints(4, 0, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(16, 0, 0, 0), 32, 9));
    panel1.add(jLabel3,                new GridBagConstraints(5, 0, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(16, 6, 0, 0), 13, 12));
    panel1.add(indexField,         new GridBagConstraints(1, 0, 2, 1, 1.0, 0.0
            ,GridBagConstraints.SOUTHEAST, GridBagConstraints.HORIZONTAL, new Insets(16, 8, 0, 0), 102, 9));
    panel1.add(jButton2,     new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.SOUTH, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 3, 0));
    panel1.add(jButton3,    new GridBagConstraints(2, 2, 3, 1, 0.0, 0.0
            ,GridBagConstraints.SOUTHWEST, GridBagConstraints.NONE, new Insets(0, 13, 1, 31), 3, 0));
    panel1.add(jScrollPane1,                           new GridBagConstraints(0, 1, 7, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(14, 0, 11, 8), 275, 140));
    jScrollPane1.getViewport().add(text, null);
    this.getContentPane().add(panel1, BorderLayout.SOUTH);
  }

  void selectButt_actionPerformed(ActionEvent e) {
    try{
      String indexStr = indexField.getText();
      String tiao = tiaoField.getText();
      Statement sta = con.createStatement();
      String sql = "select tiaowen from fltw where sy_id='"+indexStr+"' and tk_id="+tiao;
      ResultSet set = sta.executeQuery(sql);
      text.setText("");
      while(set.next()){
        String temp = set.getString(1);

       text.append(temp.trim()+"\n");
//        text.setText(temp.trim());

      }
      set.close();
      sta.close();
      frame.validate();
      frame.repaint();
    }
    catch(SQLException ex){
      ex.printStackTrace();
    }

  }

  void jButton3_actionPerformed(ActionEvent e) {
    this.setVisible(false);
    this.dispose();
  }

  void jButton2_actionPerformed(ActionEvent e) {
    try{
    String indexStr = indexField.getText();
    String tiao = tiaoField.getText();
    Statement sta = con.createStatement();
    String sql = "delete from fltw where sy_id='"+indexStr+"' and tk_id="+tiao;
    int i = sta.executeUpdate(sql);
    if(i > 0 ){
      text.setText("");
      JOptionPane.showMessageDialog(this, "删除成功!!!");
    }

    }
    catch(SQLException ex){

    }
  }
}