main.java

JAVA学生考试成绩分析程序

        j11TextGrade.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                j11TextGradeKeyTyped(evt);
            }
        });

        j11TextClass.setFont(new java.awt.Font("黑体", 0, 18));
        j11TextClass.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusGained(java.awt.event.FocusEvent evt) {
                j11TextClassFocusGained(evt);
            }
            public void focusLost(java.awt.event.FocusEvent evt) {
                j11TextClassFocusLost(evt);
            }
        });
        j11TextClass.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                j11TextClassKeyTyped(evt);
            }
        });

        j11TextSubject.setFont(new java.awt.Font("黑体", 0, 18));
        j11TextSubject.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j11TextSubjectActionPerformed(evt);
            }
        });
        j11TextSubject.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusGained(java.awt.event.FocusEvent evt) {
                j11TextSubjectFocusGained(evt);
            }
            public void focusLost(java.awt.event.FocusEvent evt) {
                j11TextSubjectFocusLost(evt);
            }
        });
        j11TextSubject.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyTyped(java.awt.event.KeyEvent evt) {
                j11TextSubjectKeyTyped(evt);
            }
        });

        j11ButtonCreat.setFont(new java.awt.Font("黑体", 0, 18));
        j11ButtonCreat.setText("创建");
        j11ButtonCreat.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j11ButtonCreatActionPerformed(evt);
            }
        });

        j11ButtonModify.setFont(new java.awt.Font("黑体", 0, 18));
        j11ButtonModify.setText("修改");
        this.j11ButtonModify.setEnabled(false);
        j11ButtonModify.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j11ButtonModifyActionPerformed(evt);
            }
        });

        j11ButtonDel.setFont(new java.awt.Font("黑体", 0, 18));
        j11ButtonDel.setText("删除");
        this.j11ButtonDel.setEnabled(false);
        j11ButtonDel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j11ButtonDelActionPerformed(evt);
            }
        });

        j11Label已存在班级.setFont(new java.awt.Font("黑体", 0, 18));
        j11Label已存在班级.setText("现有班级");

        j11Status.setFont(new java.awt.Font("黑体", 0, 18));

        javax.swing.GroupLayout j11PanelLayout = new javax.swing.GroupLayout(j11Panel);
        j11Panel.setLayout(j11PanelLayout);
        j11PanelLayout.setHorizontalGroup(
            j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(j11PanelLayout.createSequentialGroup()
                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, j11PanelLayout.createSequentialGroup()
                        .addGap(38, 38, 38)
                        .addComponent(j11Status, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, j11PanelLayout.createSequentialGroup()
                        .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(j11PanelLayout.createSequentialGroup()
                                .addGap(58, 58, 58)
                                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                                    .addComponent(j11Label班级, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addComponent(j11Label专业, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)))
                            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, j11PanelLayout.createSequentialGroup()
                                .addGap(58, 58, 58)
                                .addComponent(j11Label年级, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addGap(18, 18, 18)
                        .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(j11PanelLayout.createSequentialGroup()
                                .addGap(42, 42, 42)
                                .addComponent(j11Label已存在班级, javax.swing.GroupLayout.PREFERRED_SIZE, 78, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(j11ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 289, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addComponent(j11TextClass, javax.swing.GroupLayout.PREFERRED_SIZE, 376, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(j11TextSubject, javax.swing.GroupLayout.PREFERRED_SIZE, 376, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addComponent(j11TextGrade, javax.swing.GroupLayout.PREFERRED_SIZE, 376, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGroup(j11PanelLayout.createSequentialGroup()
                                    .addComponent(j11ButtonCreat, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addGap(42, 42, 42)
                                    .addComponent(j11ButtonModify, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                    .addComponent(j11ButtonDel, javax.swing.GroupLayout.PREFERRED_SIZE, 96, javax.swing.GroupLayout.PREFERRED_SIZE))))))
                .addContainerGap(101, Short.MAX_VALUE))
        );
        j11PanelLayout.setVerticalGroup(
            j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(j11PanelLayout.createSequentialGroup()
                .addGap(28, 28, 28)
                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(j11ComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(j11Label已存在班级, javax.swing.GroupLayout.PREFERRED_SIZE, 19, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(29, 29, 29)
                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(j11Label年级, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(j11TextGrade, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(j11Label专业, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(j11TextSubject, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(j11Label班级, javax.swing.GroupLayout.PREFERRED_SIZE, 29, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(j11TextClass, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(106, 106, 106)
                .addGroup(j11PanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(j11ButtonCreat, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(j11ButtonDel, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(j11ButtonModify, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(32, 32, 32)
                .addComponent(j11Status, javax.swing.GroupLayout.PREFERRED_SIZE, 26, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(62, Short.MAX_VALUE))
        );

        j1TabbedPane.addTab("班级", j11Panel);

        j12Label现有课程.setFont(new java.awt.Font("黑体", 0, 18));
        j12Label现有课程.setText("现有课程");

        j12ComboBox.setFont(new java.awt.Font("黑体", 0, 18));
        j12ComboBox.setModel(new javax.swing.DefaultComboBoxModel(new String[] { "..." }));
        Iterator itLesson = alLesson.iterator();
        try{
            while(itLesson.hasNext()){
                this.j12ComboBox.addItem((Lesson)itLesson.next());
            }    
        }
        catch(Exception ex){
            javax.swing.JOptionPane.showMessageDialog(null, "出现致命错误！！", "学生成绩管理系统", javax.swing.JOptionPane.INFORMATION_MESSAGE);
        }
        j12ComboBox.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j12ComboBoxActionPerformed(evt);
            }
        });

        j12Label课程编号.setFont(new java.awt.Font("黑体", 0, 18));
        j12Label课程编号.setText("课程编号");

        j12Label课程名称.setFont(new java.awt.Font("黑体", 0, 18));
        j12Label课程名称.setText("课程名称");

        j12Label学分.setFont(new java.awt.Font("黑体", 0, 18));
        j12Label学分.setText("学分");

        j12Label学时.setFont(new java.awt.Font("黑体", 0, 18));
        j12Label学时.setText("学时");

        j12ButtonCreat.setFont(new java.awt.Font("黑体", 0, 18));
        j12ButtonCreat.setText("创建");
        j12ButtonCreat.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j12ButtonCreatActionPerformed(evt);
            }
        });

        j12ButtonModify.setFont(new java.awt.Font("黑体", 0, 18));
        j12ButtonModify.setText("修改");
        j12ButtonModify.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j12ButtonModifyActionPerformed(evt);
            }
        });

        j12ButtonDel.setFont(new java.awt.Font("黑体", 0, 18));
        j12ButtonDel.setText("删除");
        this.j12ButtonDel.setEnabled(false);
        j12ButtonDel.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j12ButtonDelActionPerformed(evt);
            }
        });

        j12Status.setFont(new java.awt.Font("黑体", 0, 18));

        j12TextLessonID.setFont(new java.awt.Font("黑体", 0, 18));
        j12TextLessonID.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusGained(java.awt.event.FocusEvent evt) {
                j12TextLessonIDFocusGained(evt);
            }
            public void focusLost(java.awt.event.FocusEvent evt) {
                j12TextLessonIDFocusLost(evt);
            }
        });
        j12TextLessonID.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyPressed(java.awt.event.KeyEvent evt) {
                j12TextLessonIDKeyPressed(evt);
            }
            public void keyTyped(java.awt.event.KeyEvent evt) {
                j12TextLessonIDKeyTyped(evt);
            }
        });

        j12TextLessonName.setFont(new java.awt.Font("黑体", 0, 18));
        j12TextLessonName.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                j12TextLessonNameActionPerformed(evt);
            }
        });
        j12TextLessonName.addFocusListener(new java.awt.event.FocusAdapter() {
            public void focusGained(java.awt.event.FocusEvent evt) {
                j12TextLessonNameFocusGained(evt);
            }
            public void focusLost(java.awt.event.FocusEvent evt) {