unserve.java~4~

基于Java的物流管理系统的开发与应用

package untitled5;


import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.io.*;
import java.net.*;
import java.sql.*;
import java.lang.*;
import javax.sql.*;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.event.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class unserve extends JFrame {
  JPanel contentPane;
  JLabel jLabel1 = new JLabel();
  XYLayout xYLayout1 = new XYLayout();

  //Construct the frame
  public unserve() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jLabel1.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel1.setForeground(Color.red);
    jLabel1.setText("库存管理系统");
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(500, 400));
    this.setTitle("Frame Title");
    contentPane.setFont(new java.awt.Font("SansSerif", 0, 20));
    contentPane.add(jLabel1,  new XYConstraints(177, 1, 152, 34));
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void issn_actionPerformed(ActionEvent e) {
    validID();

  }
  void validID() {
     System.out.println("JLKJLJLJLJL");
    try {
      String str1;
      str1 = issn.getText();
      int number=Integer.parseInt(str1);
     // int issn=Integer.parseInt(str1);
      System.out.println(str1);
     // str2 = jPasswordField1.getText();
     // System.out.println(str1);
      //System.out.println(str2);
      //装载jdbc驱动程序
      String driverName = "oracle.jdbc.OracleDriver";
      Driver driver = (Driver) Class.forName(driverName).newInstance();

      //连接数据库
      Connection con = DriverManager.getConnection(
          "jdbc:oracle:thin:@thsspc0791:1521:tongfang", "sa", "tongfang");


      PreparedStatement pstmt = con.prepareStatement(
          " update  book  set   yuding='no'   where    issn=? ");


      pstmt.setString(1, str1);
      ResultSet res = pstmt.executeQuery();
      System.out.println("ljljljljljljlj");
      //String sa=res.getString(1);
      //if ((!res.next()) || res.getString("issn")== null) {
        //JOptionPane.showMessageDialog(this, "查无此书", "错误",
                                    //JOptionPane.ERROR_MESSAGE);
     // }else {
         { String outputarea="祝贺您！！！"+"\n"+"\n"+"您已经成功取消预定此书";
          //System.out.println("aksdjflkajsdlf");

         // do{
          //System.out.println(res.getString(1)+":" + res.getLong(2) + ":" +res.getLong(3) +":"+res.getInt(4)+":"+res.getString(5)+":"+res.getString(6)+":"+res.getInt(7));
          //outputarea+="  "+res.getString(1)+"  "+"  "+res.getString(2)+"  "+"  "+res.getLong(3)+"  "+"      "+res.getString(4)+"  "+"     "+res.getString(5)+"  "+"   "+res.getDate(6)+"      "+"    "+res.getInt(7)+"  "+"   "+res.getString(8)+"   "+"\n";
           showmessage.setText(outputarea);
          //}while (res.next());


      }

      pstmt.close();
      con.close();

    }catch (InstantiationException e) {
      System.out.println(e.getMessage());
    }catch (IllegalAccessException e) {
      System.out.println(e.getMessage());
    }catch (ClassNotFoundException e) {
      System.out.println(e.getMessage());
    }catch (SQLException edd) {
      edd.printStackTrace() ;
      System.out.println(edd.getMessage());
    }
  }


}