jf_view_gradesub.java

学生成绩管理系统 1.1 管理员登录 双击“学生成绩管理系统.exe”文件

package appstu.view;

import java.awt.BorderLayout;
import java.awt.event.MouseEvent;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JSplitPane;
import java.awt.FlowLayout;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.JButton;
import java.awt.Rectangle;
import java.awt.Dimension;
import javax.swing.JInternalFrame;
import appstu.util.RetrieveObject;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.table.DefaultTableModel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JTextField;
import java.util.Locale;
import java.util.Calendar;
import javax.swing.JOptionPane;
import appstu.util.CommonaJdbc;
import javax.swing.DefaultDesktopManager;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;
import appstu.model.Obj_gradeinfo_sub  ;
public class JF_view_gradesub extends JInternalFrame {
    BorderLayout borderLayout1 = new BorderLayout();
    JSplitPane jSplitPane1 = new JSplitPane();
    JScrollPane jScrollPane2 = new JScrollPane();
    JPanel jPanel2 = new JPanel();
    FlowLayout flowLayout1 = new FlowLayout();
    JTable jTable1 = new JTable();
    JLabel jLabel1 = new JLabel();
    JComboBox jComboBox1 = new JComboBox();
    JLabel jLabel2 = new JLabel();
    JComboBox jComboBox2 = new JComboBox();
    JButton jBadd = new JButton();
    JButton jBsave = new JButton();
    JButton jBexit = new JButton();
    JScrollPane jScrollPane1 = new JScrollPane();
    JTable jTable2 = new JTable();
    //////////////////
    String classid[] = null;
    String examkindid[] = null;
    String examkindname[] = null;
    String subjectcode[] = null;
    String subjectname[] = null;
    JLabel jLabel3 = new JLabel();
    JTextField jTextField1 = new JTextField();
    JButton jBdel = new JButton();
    public JF_view_gradesub() {
        try {
            jbInit();
            initialize();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        getContentPane().setLayout(borderLayout1);
        jSplitPane1.setOrientation(JSplitPane.VERTICAL_SPLIT);
        jSplitPane1.setDividerSize(10);
        jPanel2.setLayout(flowLayout1);
        jLabel1.setText("选择班级:");
        jLabel2.setText("考试种类:");
        jBadd.setText("添加");
        jBadd.addActionListener(new JF_view_gradesub_jBadd_actionAdapter(this));
        jBsave.setText("存盘");
        jBsave.addActionListener(new JF_view_gradesub_jBsave_actionAdapter(this));
        jBexit.setText("退出");
        jBexit.addActionListener(new JF_view_gradesub_jBexit_actionAdapter(this));
        this.setClosable(true);
        jComboBox2.addItemListener(new JF_view_gradesub_jComboBox2_itemAdapter(this));
        jLabel3.setText("考试日期:");
        jTextField1.setPreferredSize(new Dimension(96, 26));
        jTextField1.setText("");
        flowLayout1.setAlignment(FlowLayout.RIGHT);
        jTable1.addMouseListener(new JF_view_gradesub_jTable1_mouseAdapter(this));
        jBdel.setText("删除");
        jBdel.addActionListener(new JF_view_gradesub_jBdel_actionAdapter(this));

        jSplitPane1.add(jScrollPane2, JSplitPane.TOP);
        jSplitPane1.add(jScrollPane1, JSplitPane.BOTTOM);
        jScrollPane1.getViewport().add(jTable2);
        jPanel2.add(jLabel3);
        jPanel2.add(jTextField1);
        jPanel2.add(jLabel2);
        jPanel2.add(jComboBox1);
        jPanel2.add(jLabel1);
        jPanel2.add(jComboBox2);
        jPanel2.add(jBadd);
        jPanel2.add(jBdel);
        jPanel2.add(jBsave);
        jPanel2.add(jBexit);
        jScrollPane2.getViewport().add(jTable1);
        this.getContentPane().add(jPanel2, java.awt.BorderLayout.NORTH);

        this.getContentPane().add(jSplitPane1, java.awt.BorderLayout.CENTER);
        setSize(700,500);
        setVisible(true);
        jSplitPane1.setDividerLocation(159);
    }

    public void initialize(){
        RetrieveObject retrieve = new RetrieveObject();
        java.util.Vector vdata = new java.util.Vector();
        String sqlStr = null;
        java.util.Collection collection = null;
        java.util.Iterator iterator = null;
        sqlStr  = "SELECT * FROM tb_examkinds";
        collection = retrieve.getTableCollection(sqlStr);
        iterator = collection.iterator();
        examkindid = new String[collection.size()];
        examkindname = new String[collection.size()];
        int i = 0;
        while(iterator.hasNext()){
            vdata = (java.util.Vector)iterator.next();
            examkindid[i] = String.valueOf(vdata.get(0));
            examkindname[i] = String.valueOf(vdata.get(1));
            jComboBox1.addItem(vdata.get(1));
            i ++;
        }

        sqlStr  = "select * from tb_classinfo";
        collection = retrieve.getTableCollection(sqlStr);
        iterator = collection.iterator();
        classid = new String[collection.size()];
        i = 0 ;
        while(iterator.hasNext()){
            vdata = (java.util.Vector)iterator.next();
            classid[i] = String.valueOf(vdata.get(0));
            jComboBox2.addItem(vdata.get(2));
            i ++;
        }
        sqlStr  = "select * from tb_subject";
        collection = retrieve.getTableCollection(sqlStr);
        iterator = collection.iterator();
        subjectcode = new String[collection.size()];
        subjectname = new String[collection.size()];
        i = 0 ;
        while(iterator.hasNext()){
            vdata = (java.util.Vector)iterator.next();
            subjectcode[i] = String.valueOf(vdata.get(0));
            subjectname[i] = String.valueOf(vdata.get(1));

            i ++;
        }

        long nCurrentTime = System.currentTimeMillis();
        java.util.Calendar calendar = java.util.Calendar.getInstance(new
                Locale("CN"));
        calendar.setTimeInMillis(nCurrentTime);
        int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH) + 1;
        int day = calendar.get(Calendar.DAY_OF_MONTH);
        String mm, dd;
        if (month < 10) {
            mm = "0" + String.valueOf(month);
        } else {
            mm = String.valueOf(month);
        }
        if (day < 10) {
            dd = "0" + String.valueOf(day);
        } else {
            dd = String.valueOf(day);
        }

        java.sql.Date date = java.sql.Date.valueOf(year + "-" + mm + "-" + dd);
        jTextField1.setText(String.valueOf(date));

    }

    public void jComboBox2_itemStateChanged(ItemEvent e) {
        String cid = classid[jComboBox2.getSelectedIndex()];
        DefaultTableModel tablemodel = null;
        String[] name = {"学生编号", "班级编号", "学生姓名", "性别", "年龄", "家庭住址", "联系电话"};
        String sqlStr = "select * from tb_studentinfo where classID = '" + cid + "'";
        appstu.util.RetrieveObject bdt = new  appstu.util.RetrieveObject();
        tablemodel = bdt.getTableModel(name, sqlStr);
        jTable1.setModel(tablemodel);
        jTable1.setRowHeight(24);
    }

    public void jBadd_actionPerformed(ActionEvent e) {
        int currow ;
        currow = jTable1.getSelectedRow();
        System.out.println("当前行:" + currow);
        if (currow >= 0){
            DefaultTableModel tablemodel = null;
            String[] name = {"学生编号","学生姓名", "考试类别", "考试科目", "考试成绩", "考试时间"};
            tablemodel = new DefaultTableModel(name,0);


            String sqlStr = null;
            java.util.Collection collection = null;
            Object[] object = null;
            java.util.Iterator iterator = null;
            sqlStr = "SELECT subject FROM tb_subject";
            RetrieveObject retrieve = new RetrieveObject();
            java.util.Vector vdata = null;
            vdata = retrieve.getObjectRow(sqlStr);
            java.sql.Date rq = null;
            try{
                rq = java.sql.Date.valueOf(jTextField1.getText().trim());
            }catch(Exception de){
                JOptionPane.showMessageDialog(null,"日期输入的数据格式有误,请重新录入!!\n" +
                                              de.getMessage(), "系统提示",
                                              JOptionPane.ERROR_MESSAGE);
                jTextField1.requestFocus();
                return;
            }


            for (int i =0 ; i < vdata.size() ; i++){
                java.util.Vector vrow = new java.util.Vector();
                if (i == 0){
                    vrow.addElement(jTable1.getValueAt(currow,0));
                    vrow.addElement(jTable1.getValueAt(currow,2));
                    vrow.addElement(jComboBox1.getSelectedItem());
                    vrow.addElement(vdata.get(i));
                    vrow.addElement("");
                    vrow.addElement(jTextField1.getText().trim());
                }else{
                    vrow.addElement("");
                    vrow.addElement("");
                    vrow.addElement("");
                    vrow.addElement(vdata.get(i));
                    vrow.addElement("");
                    vrow.addElement(jTextField1.getText().trim());
                }
                tablemodel.addRow(vrow);
                this.jTable2.setModel(tablemodel);
                this.jTable2.setRowHeight(23);
            }

        }
    }

    public void jBsave_actionPerformed(ActionEvent e) {
        int result = JOptionPane.showOptionDialog(null,"是否存盘学生考试成绩数据?","系统提示",