java 成绩分析系统（GUI程序）

package Mark_Analyse; import java.awt.Color; import java.awt.Component; import java.awt.Container; import java.awt.Cursor; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.DataInput; import java.io.DataOutput; import java.io.DataOutputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.RandomAccessFile; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.JTextField; import javax.swing.table.DefaultTableModel; import javax.swing.table.JTableHeader; import javax.swing.table.TableCellRenderer; import javax.swing.table.TableColumn; import javax.swing.table.TableColumnModel; @SuppressWarnings("serial") public class Mark_Analyse_GUI extends JFrame implements ActionListener{ public static final int defaultSIZE = 20; public static final int TOTAL_SIZE =defaultSIZE * 7*2 ; public static final int defaultSIZE_newSubject = 20; JMenuBar menu_bar = new JMenuBar(); JMenu menu_Filter,menu_Search,menu_Sort; JMenu menu_Sort_subject; JMenuItem menu_Sort_average,menu_Sort_subject_1,menu_Sort_subject_2,menu_Sort_subject_3,menu_Sort_subject_4; JMenuItem[] newSubjectSort_Item; JMenu menu_Filter_max,menu_Filter_min,menu_Filter_NumOfPeople,menu_Search_Number,menu_Search_Name; JButton Add_Student,Search_Student,Stat_Student,MAKE_File,read_File; JButton Stat_OneStudent; JButton addSubject; JTextField addSubject_name; JComboBox combo; JTableHeader tableHeader; JScrollPane Scroll_Pane; JLabel image_label1; ImageIcon image_icon,button_icon; int newSubject_count; String[] File_In_string,File_Out_string; String[] newSubject_name; String[] columnNames = {"学号","姓名","性别","JAVA数据结构","计算机组成原理","程序设计方法学","大学英语","成绩统计"}; String[] allSubject_name; Object[][] data = {}; public DefaultTableModel tableModel,newTableModel; public JTable table; Mark_Analyse_GUI temp; public Mark_Analyse_GUI(){ super("成绩分析系统"); Container c = getContentPane(); c.setLayout(null); this.setSize(900, 600); this.setResizable(false); button_icon = new ImageIcon(".\\src\\1212.jpg"); String[] str_combo = {"总分","平均分","不及格科目数"}; combo = new JComboBox(str_combo); addSubject_name = new JTextField(30); try{ RandomAccessFile in = new RandomAccessFile("subject.dat","r"); newSubject_count = (int)(in.length()/(defaultSIZE_newSubject*2)); newSubject_name = new String[newSubject_count]; for(int k2 = 0;k2 < newSubject_count;k2++){ in.seek(k2*defaultSIZE_newSubject*2); this.readData2(in); this.newSubject_name[k2] = this.File_In_string[0]; } in.close(); } catch (IOException e2){ System.out.print("Error2:"+ e2); System.exit(1); } allSubject_name = new String[8+newSubject_count]; System.arraycopy(columnNames, 0, allSubject_name, 0, 7); System.arraycopy(newSubject_name, 0, allSubject_name, 7, newSubject_count); System.arraycopy(columnNames, 7, allSubject_name,newSubject_count+7 , 1); //System.out.print(allSubject_name[0]+"******"+allSubject_name[8]); addWindowListener(new WindowAdapter(){ public void windowClosing(WindowEvent e){ dispose();}}); tableModel = new DefaultTableModel(data,allSubject_name); newTableModel = new DefaultTableModel(data,allSubject_name); table = new JTable(tableModel); Scroll_Pane = new JScrollPane(table); Add_Student = new JButton("添加学生信息"); Search_Student = new JButton("搜索学生信息"); Stat_Student = new JButton("统计成绩信息"); MAKE_File = new JButton("保存文件信息"); read_File = new JButton("读取文件信息"); Stat_OneStudent = new JButton("统计个人信息"); addSubject = new JButton("添加科目"); addSubject.addActionListener(this); Add_Student.addActionListener(this); Search_Student.addActionListener(this); Stat_Student.addActionListener(this); read_File.addActionListener(this); MAKE_File.addActionListener(this); Stat_OneStudent.addActionListener(this); //初始化菜单选项 menu_Sort = new JMenu("排序"); menu_Filter = new JMenu("筛选"); menu_Search = new JMenu("查找"); menu_Sort_average = new JMenuItem("按成绩统计排序"); menu_Sort_subject = new JMenu("按分科科目排序"); menu_Sort_subject_1 = new JMenuItem("JAVA数据结构"); menu_Sort_subject_2 = new JMenuItem("计算机组成原理"); menu_Sort_subject_3 = new JMenuItem("程序设计方法学"); menu_Sort_subject_4 = new JMenuItem("大学英语"); menu_Filter_max = new JMenu("最高分"); menu_Filter_min = new JMenu("最低分"); menu_Filter_NumOfPeople = new JMenu("人数"); menu_Search_Number = new JMenu("按学号"); menu_Search_Name = new JMenu("按名字"); //添加菜单项到菜单栏 setJMenuBar(menu_bar); menu_bar.add(menu_Sort); //menu_bar.add(menu_Filter); //menu_bar.add(menu_Search); menu_Sort.add(menu_Sort_average); menu_Sort.add(menu_Sort_subject); menu_Sort_subject.add(menu_Sort_subject_1); menu_Sort_subject.add(menu_Sort_subject_2); menu_Sort_subject.add(menu_Sort_subject_3); menu_Sort_subject.add(menu_Sort_subject_4); menu_Filter.add(menu_Filter_max); menu_Filter.add(menu_Filter_min); menu_Filter.add(menu_Filter_NumOfPeople); menu_Search.add(menu_Search_Number); menu_Search.add(menu_Search_Name); newSubjectSort_Item = new JMenuItem[newSubject_count]; for(int i = 0;i<newSubject_count;i++){ newSubjectSort_Item[i] = new JMenuItem("按"+newSubject_name[i]+"排序"); menu_Sort_subject.add(newSubjectSort_Item[i]); newSubjectSort_Item[i].addActionListener(this); } menu_Sort_average.setEnabled(false); menu_Sort_average.addActionListener(this); menu_Sort_subject_1.addActionListener(this); menu_Sort_subject_2.addActionListener(this); menu_Sort_subject_3.addActionListener(this); menu_Sort_subject_4.addActionListener(this); this.add(Scroll_Pane); Scroll_Pane.setBounds(0, 0, 700, 600); Scroll_Pane.setForeground(Color.blue); this.add(Add_Student); this.add(Search_Student); this.add(Stat_Student); this.add(MAKE_File); this.add(read_File); this.add(Stat_OneStudent); this.add(addSubject); this.add(combo); this.add(addSubject_name); read_File.setBounds(720, 195, 150, 30); Add_Student.setBounds(720, 15, 150, 30); Search_Student.setBounds(720,60,150,30); MAKE_File.setBounds(720,105,150,30); Stat_Student.setBounds(720,150,150,30); Stat_OneStudent.setBounds(720, 285, 150, 30); addSubject.setBounds(720, 510, 150, 30); addSubject_name.setBounds(720, 465, 150, 30); combo.setBounds(720, 240, 150, 30); image_icon = new ImageIcon(".\\src\\1.jpg"); button_icon = new ImageIcon(".\\src\\1212.bmp"); image_label1 = new JLabel(image_icon); this.add(image_label1); image_label1.setBounds(0, 0, 900, 600); final JTableHeader tableHeader = table.getTableHeader(); tableHeader.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { // 当光标处于两个列表间的分隔线上时，表头的光标呈东西调整的样式，通过 // 鼠标的样式和点击次数来判断是否需要进行列宽调整 int cursorType = tableHeader.getC