unserve.java

基于java语言编写且已编译运行的图书馆管理系统的开发应用。连接sql server 2005数据库

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();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JLabel jLabel5 = new JLabel();
  JLabel jLabel6 = new JLabel();
  JLabel jLabel7 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JLabel jLabel8 = new JLabel();
  JPasswordField jPasswordField1 = new JPasswordField();
  JLabel jLabel9 = new JLabel();
  JTextField issn = new JTextField();
  JScrollPane jScrollPane1 = new JScrollPane();
  JTextArea showmessage = new JTextArea();

  //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, 20));
    jLabel1.setForeground(Color.red);
    jLabel1.setText("图书馆管理系统");
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(600, 500));
    this.setTitle("Frame Title");
    contentPane.setFont(new java.awt.Font("SansSerif", 0, 20));
    jLabel2.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel2.setText("请输入您的姓名和密码");
    jLabel3.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel3.setText("和您要取消预定的");
    jLabel4.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel4.setText("书刊的ISSN！");
    jLabel5.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel5.setText("如有任何不清楚的，请向");
    jLabel6.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel6.setText("管理员询问！");
    jLabel7.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel7.setText("姓名");
    jLabel8.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel8.setText("密码");
    jTextField1.setText("");
    jPasswordField1.setText("");
    jLabel9.setFont(new java.awt.Font("SansSerif", 0, 15));
    jLabel9.setText("ISSN！");
    issn.setSelectionStart(11);
    issn.setText("");
    issn.addActionListener(new unserve_issn_actionAdapter(this));
    showmessage.setText("");
    contentPane.add(jLabel2,       new XYConstraints(38, 49, 165, 32));
    contentPane.add(jLabel5,       new XYConstraints(308, 53, 185, 26));
    contentPane.add(jLabel3,    new XYConstraints(36, 72, 150, 29));
    contentPane.add(jLabel4,  new XYConstraints(36, 91, 138, 26));
    contentPane.add(jLabel6,  new XYConstraints(308, 71, 140, 32));
    contentPane.add(jLabel7,      new XYConstraints(35, 159, 32, 25));
    contentPane.add(jTextField1,      new XYConstraints(66, 160, 71, 26));
    contentPane.add(jLabel8,    new XYConstraints(137, 160, -1, 26));
    contentPane.add(jPasswordField1,      new XYConstraints(168, 160, 81, 29));
    contentPane.add(jLabel9,      new XYConstraints(38, 205, 57, 28));
    contentPane.add(issn,        new XYConstraints(81, 207, 98, 29));
    contentPane.add(jLabel1,  new XYConstraints(230, 4, 160, 35));
    contentPane.add(jScrollPane1,    new XYConstraints(65, 256, 477, 214));
    jScrollPane1.getViewport().add(showmessage, null);
  }
  //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
      
      //装载jdbc驱动程序
      String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
      String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=student"; //连接服务器和数据库sample
      String userName = "sa"; //默认用户名
      String userPwd = "081129"; //密码
      //连接数据库
      Connection con;
      Class.forName(driverName);
      con=DriverManager.getConnection(dbURL, userName, userPwd);


     


      
      
    

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


}

class unserve_issn_actionAdapter implements java.awt.event.ActionListener {
  unserve adaptee;

  unserve_issn_actionAdapter(unserve adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.issn_actionPerformed(e);
  }
}