classsubject.java

java netbeans 学习程序合集

        jButtonAdd.setText("\u6dfb\u52a0");
        jButtonAdd.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonAddActionPerformed(evt);
            }
        });

        jButtonCancle.setText("\u5173\u95ed");
        jButtonCancle.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButtonCancleActionPerformed(evt);
            }
        });

        org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, jPanel2, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .add(org.jdesktop.layout.GroupLayout.LEADING, jPanel1, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                .addContainerGap())
            .add(layout.createSequentialGroup()
                .add(72, 72, 72)
                .add(jButtonAdd, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 79, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 109, Short.MAX_VALUE)
                .add(jButtonCancle, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, 75, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(82, 82, 82))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING)
            .add(layout.createSequentialGroup()
                .addContainerGap()
                .add(jPanel1, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .add(18, 18, 18)
                .add(jPanel2, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(org.jdesktop.layout.LayoutStyle.RELATED, 10, Short.MAX_VALUE)
                .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE)
                    .add(jButtonAdd)
                    .add(jButtonCancle))
                .addContainerGap())
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents
/*
    */
    private void jButtonCancleActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonCancleActionPerformed
// TODO 将在此处添加您的处理代码：
        this.dispose();
    }//GEN-LAST:event_jButtonCancleActionPerformed

    private void jButtonAddActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButtonAddActionPerformed
// TODO 将在此处添加您的处理代码：
        String ClassID=new String();
        String SubjectID=new String();
        String XueqiID=new String();
        String Grade=this.jComboBox2.getSelectedItem().toString();
        String Subject=this.jComboBox1.getSelectedItem().toString();
        String Class=this.jComboBoxClass.getSelectedItem().toString();
        String Xueqi=this.jComboBoxXueqi.getSelectedItem().toString();
        String sql="select 班级信息.s_id,课程明细.subject_ID,学期.xueqi_ID from 班级信息,课程明细,学期 where 班级信息.班级='"+Class+"' and 班级信息.年级='"+Grade+"' and 学期.学期='"+Xueqi+"' and 课程明细.科目='"+Subject+"'";
        DB dB=new DB();
        rs=dB.GetClassID(sql);
        try {
            rs.next();
            ClassID=rs.getString("s_id");
           // System.out.println(ClassID);            
        } catch (SQLException ex) {
            ex.printStackTrace();
        }
        rs=dB.GetClassID(sql);
        try {
            rs.next();
            SubjectID=rs.getString("subject_ID");
           // System.out.println(SubjectID); 
        } catch (SQLException ex) {
            ex.printStackTrace();
        }
        rs=dB.GetClassID(sql);
        try {
            rs.next();
            XueqiID=rs.getString("xueqi_ID");
           // System.out.println(XueqiID); 
        } catch (SQLException ex) {
            ex.printStackTrace();
        }
        String sql1="insert into 班级课程(s_id,subject_ID,xueqi_ID) values('"+ClassID+"','"+SubjectID+"','"+XueqiID+"')";
        dB.Addclass(sql1);       
        //this.jTextFieldSubject.setText("");
        Vector<Vector> data=new Vector();
        Vector<String> head=new Vector();
      //  String Grade=this.jTextFieldGrade.getText();
        //String Subject=this.jTextFieldSubject.getText();
       // String Class=this.jComboBoxClass.getSelectedItem().toString();
      //  String Xueqi=this.jComboBoxXueqi.getSelectedItem().toString();
        String sql2="select distinct a.年级,a.班级,a.专业 ,b.科目  from 班级信息 a,课程明细 b, 学期 c,班级课程 d ";
        if( Grade.equals("") && Class.equals("") && Xueqi.equals("")){
            sql2=sql2+"where a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( !Grade.equals("") && Class.equals("") && Xueqi.equals("")){
            sql2=sql2+" where a.年级='"+Grade+"' and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( Grade.equals("") && !Class.equals("") && Xueqi.equals("")){
            sql2=sql2+" where a.班级='"+Class+"' and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( Grade.equals("") && Class.equals("") && !Xueqi.equals("")){
            sql2=sql2+" where c.学期='"+Xueqi+"' and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( !Grade.equals("") && !Class.equals("") && Xueqi.equals("")){
            sql2=sql2+" where a.年级='"+Grade+"' and a.班级='"+Class+"' and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( !Grade.equals("") && Class.equals("") && !Xueqi.equals("")){
            sql2=sql2+" where a.年级='"+Grade+"' and c.学期='"+Xueqi+"' and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( Grade.equals("") && !Class.equals("") && !Xueqi.equals("")){
            sql2=sql2+" where a.班级='"+Class+"' and c.学期='"+Xueqi+"' and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        if( !Grade.equals("") && !Class.equals("") && !Xueqi.equals("")){
            sql2=sql2+" where a.年级='"+Grade+"' and c.学期='"+Xueqi+"' and a.班级='"+Class+"'and a.s_id=d.s_id  and d.subject_ID=b.subject_ID and d.xueqi_ID=c.xueqi_ID ";
        }
        DefaultTableModel tableModel=(DefaultTableModel)this.jTable1.getModel();
       // DB dB=new DB();      
        head=dB.doClassTableHead(sql2);
        data=dB.doClassQuery(sql2);
        tableModel.setDataVector(data,head);
        this.jTable1.setModel(tableModel);       
        ((DefaultTableModel)jTable1.getModel()).fireTableStructureChanged();
    }//GEN-LAST:event_jButtonAddActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new ClassSubject().setVisible(true);
            }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton jButtonAdd;
    private javax.swing.JButton jButtonCancle;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JComboBox jComboBox2;
    private javax.swing.JComboBox jComboBoxClass;
    private javax.swing.JComboBox jComboBoxXueqi;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JPanel jPanel2;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable jTable1;
    // 变量声明结束//GEN-END:variables
    
}