数据库SQLserver+java课程设计

import java.sql.*; import java.awt.*; import javax.swing.*; import javax.swing.table.*; import java.awt.event.*; public class menu extends JFrame implements ActionListener { String sDBDriver = "sun.jdbc.odbc.JdbcOdbcDriver"; String sConnStr = "jdbc:odbc:mry"; ResultSet rs = null; Connection conn = null; JPanel jp1 = new JPanel(); JButton jb1 = new JButton("查询学生信息"); JButton jb2 = new JButton("查询课程信息"); JButton jb3 = new JButton("录入学生信息"); JButton jb4 = new JButton("录入院系信息"); JButton jb5 = new JButton("录入教师信息"); JButton jb6 = new JButton("修改学生信息"); JButton jb7 = new JButton("修改院系信息"); JButton jb8 = new JButton("修改教师信息"); JButton jb9 = new JButton("查询选修了某课程的学生信息"); JButton jb10 = new JButton("查询未选修任何课程的学生信息"); JButton jb11 = new JButton("添加选课信息"); JButton jb12 = new JButton("删除院系信息"); JButton jb13 = new JButton("删除学生信息"); JButton jb14 = new JButton("删除教师信息"); public menu() { setVisible(true); //setSize(300, 250); setResizable(false); try { Class.forName(sDBDriver); } catch (java.lang.ClassNotFoundException e) { System.err.print(e.getMessage()); } this.add(jp1); jp1.setLayout(null); jp1.add(jb1); jp1.add(jb2); jp1.add(jb3); jp1.add(jb4); jp1.add(jb5); jp1.add(jb6); jp1.add(jb7); jp1.add(jb8); jp1.add(jb9); jp1.add(jb10); jp1.add(jb11); jp1.add(jb12); jp1.add(jb13); jp1.add(jb14); jb1.setBounds(60, 40, 240, 30); jb2.setBounds(360, 40, 240, 30); jb3.setBounds(60, 80, 240, 30); jb4.setBounds(360, 80, 240, 30); jb5.setBounds(60, 120, 240, 30); jb6.setBounds(360, 120, 240, 30); jb7.setBounds(60, 160, 240, 30); jb8.setBounds(360, 160, 240, 30); jb9.setBounds(60, 200, 540, 30); jb10.setBounds(60, 240, 540, 30); jb11.setBounds(60, 280, 240, 30); jb12.setBounds(360, 280, 240, 30); jb13.setBounds(60, 320, 240, 30); jb14.setBounds(360, 320, 240, 30); this.setTitle("主菜单"); this.setBounds(340, 240, 660, 420); this.setVisible(true); this.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE); jb1.addActionListener(this); jb2.addActionListener(this); jb3.addActionListener(this); jb4.addActionListener(this); jb5.addActionListener(this); jb6.addActionListener(this); jb7.addActionListener(this); jb8.addActionListener(this); jb9.addActionListener(this); jb10.addActionListener(this); jb11.addActionListener(this); jb12.addActionListener(this); jb13.addActionListener(this); jb14.addActionListener(this); } public void actionPerformed(ActionEvent f) { try { if (f.getSource() == jb1) { this.setVisible(false); new student_information(); } else if (f.getSource() == jb2) { this.setVisible(false); new course_information(); } else if (f.getSource() == jb3) { this.setVisible(false); new insert_student(); } else if (f.getSource() == jb4) { this.setVisible(false); new insert_depart(); } else if (f.getSource() == jb5) { this.setVisible(false); new insert_teacher(); } else if (f.getSource() == jb6) { this.setVisible(false); new modify_student(); //修改学生信息 } else if (f.getSource() == jb7) { this.setVisible(false); new modify_depart(); //修改院系信息 } else if (f.getSource() == jb8) { this.setVisible(false); new modify_teacher(); //修改教师信息 } else if (f.getSource() == jb9) { this.setVisible(false); new select_course(); //查询课程信息 } else if (f.getSource() == jb10) { this.setVisible(false); new select_none(); //查询未选修任何课程的学生信息 } else if (f.getSource() == jb11) { this.setVisible(false); new insert_xuanke(); } else if (f.getSource() == jb12) { this.setVisible(false); new delete_depart(); //删除院系信息 } else if (f.getSource() == jb13) { this.setVisible(false); new delete_student(); //删除学生信息 } else if(f.getSource() == jb14) { this.setVisible(false); new delete_teacher(); //删除教师信息 } } catch (Exception ex) { ex.printStackTrace(); } } public static void main(String[] args) { new menu(); } }