增加用户.java~7~

学生信息管理系统(JBuilder x 开发,采用RSA 512位公钥加密,私钥用于找回密码,2006-4-5)

package untitled3;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.io.*;
import java.sql.*;
import com.borland.dbswing.*;
import java.util.Vector;
import java.security.*;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import javax.crypto.interfaces.*;
import java.security.interfaces.*;
import java.math.*;
import java.io.*;


/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2001</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class 增加用户 extends JDialog {
  Vector item=new Vector();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  Connection connection = null;
Statement statement = null;
  JTextField jTextField4 = new JTextField();
  JPasswordField jPasswordField1 = new JPasswordField();
  JComboBox jComboBox1 = new JComboBox(item);

  public 增加用户(Frame frame, String title, boolean modal) {
    super(frame, title, modal);
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public 增加用户() {
    this(null, "", false);
  }

  private void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel1.setToolTipText("");
    jLabel1.setText("用户：");
    jLabel1.setBounds(new Rectangle(15, 14, 87, 29));
    this.getContentPane().setLayout(null);
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel2.setText("密码：");
    jLabel2.setBounds(new Rectangle(15, 56, 89, 40));
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel3.setText("权限：");
    jLabel3.setBounds(new Rectangle(13, 106, 57, 33));
    jTextField1.setFont(new java.awt.Font("Dialog", 0, 15));
    jTextField1.setText("");
    jTextField1.setBounds(new Rectangle(79, 21, 98, 24));
    jButton1.setBounds(new Rectangle(233, 23, 93, 31));
    jButton1.setFont(new java.awt.Font("Dialog", 0, 15));
    jButton1.setText("增加");
    jButton1.addActionListener(new 增加用户_jButton1_actionAdapter(this));
    jButton2.setBounds(new Rectangle(233, 70, 91, 29));
    jButton2.setFont(new java.awt.Font("Dialog", 0, 15));
    jButton2.setText("返回");
    jButton2.addActionListener(new 增加用户_jButton2_actionAdapter(this));
    jTextField4.setFont(new java.awt.Font("Dialog", 0, 15));
    jTextField4.setBorder(BorderFactory.createLoweredBevelBorder());
    jTextField4.setText("");
    jTextField4.setBounds(new Rectangle(16, 163, 162, 39));
    jPasswordField1.setFont(new java.awt.Font("Dialog", 0, 15));
    jPasswordField1.setText("");
    jPasswordField1.setBounds(new Rectangle(79, 64, 98, 25));
    item.add("学生");
   item.add("老师");
   jComboBox1.setFont(new java.awt.Font("Dialog", 0, 15));
    jComboBox1.setBounds(new Rectangle(79, 107, 103, 30));

   jComboBox1.setEnabled(true);
    this.getContentPane().add(jLabel1, null);
    this.getContentPane().add(jLabel2, null);
    this.getContentPane().add(jTextField1, null);
    this.getContentPane().add(jButton1, null);
    this.getContentPane().add(jButton2, null);
    this.getContentPane().add(jLabel3, null);
    this.getContentPane().add(jTextField4, null);
    this.getContentPane().add(jPasswordField1, null);
    this.getContentPane().add(jComboBox1, null);
  }

  public String encrypt(String  str)
{    String cp="";
    try{
        //获取公约及参数e,n
        FileInputStream f = new FileInputStream("Skey_RSA_pub.dat");
        ObjectInputStream b = new ObjectInputStream(f);
        RSAPublicKey pbk = (RSAPublicKey) b.readObject();
        BigInteger e1 = pbk.getPublicExponent();
        BigInteger n = pbk.getModulus();
     //   System.out.println("e1=" + e1);
     //   System.out.println("n=" + n);
        //获取明文m
        byte ptext[] = str.getBytes("UTF8");
        BigInteger m = new BigInteger(ptext);
        //计算密文，打印
        BigInteger c = m.modPow(e1, n);
  //      System.out.println("c=" + c);
        //保存密文
        cp=c.toString();
       // BufferedWriter out =
       //     new BufferedWriter(new OutputStreamWriter(new FileOutputStream(
      //      "Enc_RAS.dat")));
//   out.write(cs, 0, cs.length());
//   out.close();
      }catch(Exception ex){ex.printStackTrace();}
return cp;
}



  void cancel() {
        dispose();
     }
  void jButton2_actionPerformed(ActionEvent e) {
     if (e.getSource() == jButton2) {
         cancel();
       }

  }

  void jButton1_actionPerformed(ActionEvent e) {
//增加确定
    try {
      try {
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); // 实例化JDBC-ODBC桥的驱动
      }
      catch (ClassNotFoundException ex) {
      }
       connection = DriverManager.getConnection("jdbc:odbc:学生信息管理", "sample",
                                                ""); // 连接数据库
       // 创建Statement接口对象
       statement = connection.createStatement();

 String 用户_用户=jTextField1.getText();
 String 用户_密码=jPasswordField1.getText();
 String 用户_权限="";
       用户_密码=encrypt(用户_密码);
 if(String.valueOf(jComboBox1.getSelectedItem())=="老师"){用户_权限+="1"; }
 else {用户_权限+="0";}
if(用户_用户.length()>0){
   String str1="INSERT INTO 用户(用户,密码,权限)";
   str1+="VALUES ('"+用户_用户+"',";
   str1+="'"+用户_密码+"'"+",";
   str1+=用户_权限+")";
   statement.executeUpdate(str1);
   jTextField4.setText("成功增加");}//if
 else jTextField4.setText("增加失败");
 }catch(SQLException e2){jTextField4.setText("增加失败");}
}///jubutton1
}




class 增加用户_jButton2_actionAdapter implements java.awt.event.ActionListener {
  增加用户 adaptee;

  增加用户_jButton2_actionAdapter(增加用户 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}

class 增加用户_jButton1_actionAdapter implements java.awt.event.ActionListener {
  增加用户 adaptee;

  增加用户_jButton1_actionAdapter(增加用户 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}