增加成绩.java~5~

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.*;

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

public class 增加成绩 extends JDialog {
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JTextField jTextField2 = new JTextField();
  JTextField jTextField3 = new JTextField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  Connection connection = null;
Statement statement = null;
  JTextField jTextField4 = new JTextField();

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

  public 增加成绩() {
    this(null, "", false);
  }

  private void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel1.setToolTipText("");
    jLabel1.setText("学号：");
    jLabel1.setBounds(new Rectangle(15, 14, 87, 29));
    this.getContentPane().setLayout(null);
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel2.setText("课号：");
    jLabel2.setBounds(new Rectangle(15, 56, 89, 40));
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 15));
    jLabel3.setText("成绩：");
    jLabel3.setBounds(new Rectangle(13, 106, 92, 33));
    jTextField1.setFont(new java.awt.Font("Dialog", 0, 15));
    jTextField1.setText("");
    jTextField1.setBounds(new Rectangle(79, 21, 98, 24));
    jTextField2.setFont(new java.awt.Font("Dialog", 0, 15));
    jTextField2.setText("");
    jTextField2.setBounds(new Rectangle(79, 68, 96, 24));
    jTextField3.setFont(new java.awt.Font("Dialog", 0, 15));
    jTextField3.setText("");
    jTextField3.setBounds(new Rectangle(78, 108, 97, 27));
    jButton1.setBounds(new Rectangle(233, 23, 93, 31));
    jButton1.setFont(new java.awt.Font("Dialog", 0, 15));
    jButton1.setText("增加");
    jButton1.addActionListener(new 增加成绩_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 增加成绩_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));
    this.getContentPane().add(jLabel1, null);
    this.getContentPane().add(jLabel2, null);
    this.getContentPane().add(jTextField1, null);
    this.getContentPane().add(jTextField2, null);
    this.getContentPane().add(jTextField3, null);
    this.getContentPane().add(jButton1, null);
    this.getContentPane().add(jButton2, null);
    this.getContentPane().add(jLabel3, null);
    this.getContentPane().add(jTextField4, null);
  }
  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 学生课程_学号=jTextField1.getText();
 String 学生课程_课号=jTextField2.getText();
 String 学生课程_成绩=jTextField3.getText();
System.out.print(学生课程_学号.length());
if(学生课程_学号.length()==0)JOptionPane.showMessageDialog(this,"请输入学号！","警告",JOptionPane.INFORMATION_MESSAGE);
 else{
   String str1="INSERT INTO 学生课程"+"(学号,课号,成绩)";
   str1+="VALUES ('"+学生课程_学号+"',";
   str1+=学生课程_课号+",";
   str1+=学生课程_成绩+")";
   statement.executeUpdate(str1);
   jTextField4.setText("成功增加");
 }

 }catch(SQLException e2){jTextField4.setText("增加失败");;}




}
}




class 增加成绩_jButton2_actionAdapter implements java.awt.event.ActionListener {
  增加成绩 adaptee;

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

class 增加成绩_jButton1_actionAdapter implements java.awt.event.ActionListener {
  增加成绩 adaptee;

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