kaikedialog.java~54~

简单的学生管理系统。。用JBUILER和SQL2000。

package studentgl;

import java.awt.*;
import javax.swing.*;
import java.sql.*;
import java.awt.event.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class kaikeDialog extends JDialog {
  JPanel panel1 = new JPanel();
  JLabel jLabel1 = new JLabel();
  JComboBox jComboBox1 = new JComboBox();
  JComboBox jComboBox2 = new JComboBox();
  JLabel jLabel2 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  Connection con ;
  Statement stmt1 ;
  ResultSet boxRs;
  Statement stmt2 ;
  ResultSet boxRs1;
  private  Statement stmt;
  private  mainFrame Frame1;
   Statement stmt3 ;
  public kaikeDialog(mainFrame frame, String title, boolean modal) {
    super(frame, title, modal);
    this.setLocation(309,239);
    Frame1=frame;
    try {
      jbInit();
      pack();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public kaikeDialog() {
    this(null, "", false);
  }
  private void jbInit() throws Exception {
    panel1.setLayout(null);
    jLabel1.setFont(new java.awt.Font("Serif", 1, 20));
    jLabel1.setForeground(SystemColor.desktop);
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("请选择课程：");
    jLabel1.setBounds(new Rectangle(-1, 52, 233, 36));
    con = connect.getconn();
    stmt1 = con.createStatement();
    boxRs = stmt1.executeQuery("select distinct a.coname from CourseInfo a, kaike b where  a.coid not in (select coid from kaike)");

    stmt2 = con.createStatement();
    boxRs1 = stmt2.executeQuery("select TeName from TeacherInfo order by TeId");

    jComboBox1.setFont(new java.awt.Font("Serif", 0, 12));
    jComboBox1.setForeground(Color.blue);
    jComboBox1.setBounds(new Rectangle(184, 61, 165, 22));
    jComboBox1.addItem("");
   while(boxRs.next()){
     jComboBox1.addItem(boxRs.getString("CoName"));
   }
   jComboBox2.setBounds(new Rectangle(187, 122, 163, 22));
    jComboBox2.setForeground(Color.blue);
    jComboBox2.setFont(new java.awt.Font("Serif", 0, 12));
    jComboBox2.addItem("");
     while(boxRs1.next()){
       jComboBox2.addItem(boxRs1.getString("TeName"));
     }
     con.close();
    jLabel2.setBounds(new Rectangle(-1, 116, 229, 36));
    jLabel2.setText("请选择课教师名：");
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setForeground(SystemColor.desktop);
    jLabel2.setFont(new java.awt.Font("Serif", 1, 20));
    jButton1.setBounds(new Rectangle(62, 221, 73, 25));
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setForeground(Color.red);
    jButton1.setSelectedIcon(null);
    jButton1.setText("确定");
    jButton1.addActionListener(new kaikeDialog_jButton1_actionAdapter(this));
    jButton2.setText("重设");
    jButton2.addActionListener(new kaikeDialog_jButton2_actionAdapter(this));
    jButton2.setSelectedIcon(null);
    jButton2.setForeground(Color.orange);
    jButton2.setFont(new java.awt.Font("Serif", 0, 12));
    jButton2.setBounds(new Rectangle(257, 217, 73, 25));
    panel1.add(jLabel1, null);
    panel1.add(jLabel2, null);
    panel1.add(jButton1, null);
    panel1.add(jButton2, null);
    panel1.add(jComboBox1, null);
    panel1.add(jComboBox2, null);
    this.getContentPane().add(panel1, BorderLayout.CENTER);
  }

  void jButton1_actionPerformed(ActionEvent e) {
   if((jComboBox1.getSelectedItem().toString()!=null)&&(jComboBox2.getSelectedItem().toString()!=null)){
    try{
      con=connect.getconn();
      stmt=con.createStatement();
      stmt3=con.createStatement();
      String ke=jComboBox1.getSelectedItem().toString();
      String  tename=jComboBox2.getSelectedItem().toString();
      String loginQuery="select coID from courseInfo where coname='"+ke+"';";
     ResultSet rs = stmt.executeQuery(loginQuery);
      String login="select teid from teacherinfo where tename='"+tename+"'";
      ResultSet rs1 = stmt3.executeQuery(login);
    int an=JOptionPane.showConfirmDialog(this,"确定开设课程","信息提示",0);
    if(an==0){
      rs.next();
     int coid =rs.getInt("coid");
       rs1.next();
     int teid = rs1.getInt("teID");
     String insert="insert into kaike values("+coid+","+teid+")";
     stmt.executeUpdate(insert);
     this.hide();
     return;}
 }catch(SQLException ex){
     System.out.print(ex);}
  }}

  void jButton2_actionPerformed(ActionEvent e) {
    jComboBox2.setSelectedIndex(0);
     jComboBox1.setSelectedIndex(0);
  }

}

class kaikeDialog_jButton1_actionAdapter implements java.awt.event.ActionListener {
  kaikeDialog adaptee;

  kaikeDialog_jButton1_actionAdapter(kaikeDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class kaikeDialog_jButton2_actionAdapter implements java.awt.event.ActionListener {
  kaikeDialog adaptee;

  kaikeDialog_jButton2_actionAdapter(kaikeDialog adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}