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  • java成绩管理系统代码

    实现功能:学生信息增删改查,求各科平均分,饼图,条形图。

    package Keshe;
    import java.awt.*;
    import java.awt.event.*;
    import java.io.*;
    import java.sql.*;
    import java.util.*;
    import javax.swing.*;
    import javax.swing.table.AbstractTableModel;
    import javax.swing.table.DefaultTableModel;
    import javax.swing.table.TableCellRenderer;
    import javax.swing.table.TableColumn;
    
    public class main extends JFrame implements ActionListener, MouseListener
    {
    	/*String driver="com.microsoft.sqlserver.jdbc.SQLServerDriver";
    	String 	url="jdbc:sqlserver://localhost:1433;databaseName=Student";
    	String user="ZZL";
    	String password="123456";
    	private Connection con;//这里是你的数据库账号密码
    	con=DriverManager.getConnection(url,user,password);//创建数据库连接*/
    	String FileName = "D:\information.txt";//所要进行操作的文件
    	private JMenuBar typeMenu;//创建菜单条
    	private JMenu file, display, edit, help, sort,delete,alter,add,subject,search,ratio,avg,pie,histogram;//创建各种变量
    	private JMenuItem seeItem,addClass,addStudent,pageone,exit,alterName,alterID,
    	                  deleteID,deleteName,deleteClass,deleteSex,deleteAge,deleteCollage,//删除操作的变量
    	                  searchID,searchName,searchClass,searchSex,searchAge,searchCollage, //查找操作的变量
    	                  ID, age, software,math, system, java,//各科成绩变量
    	                  pieMath,pieSystem,pieJava,pieSoftware,//饼图变量
    	                  histogramMath,histogramSystem,histogramSoftware,histogramJava,//柱形图变量
    	                  totalGrade,helpItem,avgMath,avgJava,avgSystem,avgSoftware;//平均分总分变量
    	private CardLayout cardl;//声明卡片布局管理器
    	private TableColumn col1,col2,col3,col4,col5,col6,col7,col8,col9,col10;//声明表格的列数
    	private JPanel card,jpSee,jpAddStudent,jpAlterByID,jpAlterByName, jpMain,jpSearch,jphelp;//声明各种面板变量
    	private JTable jtable;//声明表格
    	private JLabel jl,jlAdd1, jlAdd2, jlAdd3, jlAdd4, jlAdd5, jlAdd6, jlAdd7, jlAdd8, jlAdd9, jlAdd10, jlAdd11, jlAdd12,jlAdd13, 
    	               jlMain1, jlMain2,
    	               jlAlter1,jlAlter2,jlAlter3,jlAlter4,jlAlter5,jlAlter6,jlAlter7;//声明标签
    	private JTextField jtAddClass, jtAddID, jtAddName, jtAddAge,jtAddCollage, jtAddSoftware, jtAddMath, jtAddSystem, jtAddJava,
    	                   jtAlterID,jtAlterName,jtAlterAge,jtAlterClass,jtAlterCollage,jtAlterMath,jtAlterSoftware,jtAlterJava,jtAlterSystem,
    	                   jtAlterID2,jtAlterName2,jtAlterAge2,jtAlterClass2,jtAlterCollage2,jtAlterMath2,jtAlterSoftware2,jtAlterJava2,jtAlterSystem2;//声明文本框对象
    	private JRadioButton jr_man, jr_woman,jr_man2, jr_woman2;
    	private ButtonGroup sexgroup,sexgroup2;//声明按钮组别
    	private JButton jbAddSure,jbAlterSure,jbAlterSure2;//声明按钮对象
    	private int row;
    	private String[] collage = { "计算机系", "软件系", "外语系", "管理系", "电子系", "数码系", "游戏系","财会系","网络系","国贸系" };//创建系别的数组
    	private String[] class1 = { "物联网1班", "物联网2班", "物联网3班", "web1班", "web2班", "web3班" };//创建班级数组
    	private JScrollPane js;//声明一个滚动面板
        private String[][] student = new String [100][25];
    	public main()
    	{
    		Container c = getContentPane();//得到内容面板
    		c.setLayout(null);//设置面板布局为空
    		typeMenu = new JMenuBar();// 应用程序菜单的容器 创建菜单栏
    		setJMenuBar(typeMenu);//把容器放到菜单条中
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		// 菜单Display
    		file = new JMenu("系统");//创建菜单
    		file.setFont(new Font("宋体", Font.PLAIN, 14));//设置字体和颜色
    		typeMenu.add(file);//把菜单添加到菜单栏中
    		// 菜单Display
    		display = new JMenu("查看");
    		display.setFont(new Font("宋体", Font.PLAIN, 14));
    		typeMenu.add(display);
    		// 菜单Edit
    		edit = new JMenu("编辑信息");
    		edit.setFont(new Font("宋体", Font.PLAIN, 14));
    		typeMenu.add(edit);
    		// 菜单Sort
    		sort = new JMenu("排序");
    		sort.setFont(new Font("宋体", Font.PLAIN, 14));
    		typeMenu.add(sort);
    		//菜单avg
    		avg = new JMenu("平均分");
    		avg.setFont(new Font("宋体", Font.PLAIN, 14));
    		typeMenu.add(avg);
    		// 菜单ratio
    		ratio = new JMenu("比例图");
    		ratio.setFont(new Font("宋体", Font.PLAIN, 14));
    		typeMenu.add(ratio);
    		// 菜单Help
    		help = new JMenu("Help");
    		help.setFont(new Font("宋体", Font.PLAIN, 14));
    		typeMenu.add(help);
    		//Help
    		helpItem = new JMenuItem("Help");//创建菜单项
    		helpItem.setFont(new Font("宋体", Font.PLAIN, 14));//设置其字体和颜色
    		help.add(helpItem);//把菜单项加入到菜单中
    		helpItem.addActionListener(this);//注册动作侦听器
    		helpItem.setActionCommand("帮助");//设置菜单项命名为帮助
    		// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//首页
    		pageone = new JMenuItem("首页");//创建新的菜单项
    		pageone.setFont(new Font("宋体", Font.PLAIN, 14));//设置菜单项的字体和颜色
    		file.add(pageone);//把菜单项加入到file菜单中
    		pageone.addActionListener(this);//注册动作侦听器
    		pageone.setActionCommand("首页");//设置菜单项命名为首页
    		file.addSeparator();//添加分割线
    		//退出
    		exit = new JMenuItem("退出");
    		exit.setFont(new Font("宋体", Font.PLAIN, 14));
    		file.add(exit);
    		exit.addActionListener(this);
    		exit.setActionCommand("退出");
    	    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//查看
    		seeItem  = new JMenuItem("查看");
    		seeItem.setFont(new Font("宋体", Font.PLAIN, 14));
    		display.add(seeItem);
    		seeItem.addActionListener(this);
    		seeItem.setActionCommand("查看");
    		// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//删除
    		delete = new JMenu("删除");
    		delete.setMnemonic(KeyEvent.VK_D);
    		delete.setFont(new Font("宋体", Font.PLAIN, 14));
    		edit.add(delete);
    		delete.addActionListener(this);
    		delete.setActionCommand("删除");
    		edit.addSeparator();
    		//按学号删除
    		deleteID = new JMenuItem("按学号删除");
    		deleteID.setFont(new Font("宋体", Font.PLAIN, 13));
    		delete.add(deleteID);
    		deleteID.addActionListener(this);
    		deleteID.setActionCommand("按学号删除");
    		delete.addSeparator();
    		//按姓名删除
    		deleteName = new JMenuItem("按姓名删除");
    		deleteName.setFont(new Font("宋体", Font.PLAIN, 13));
    		delete.add(deleteName);
    		deleteName.addActionListener(this);
    		deleteName.setActionCommand("按姓名删除");
    		delete.addSeparator();
    		//按系别删除
    		deleteCollage = new JMenuItem("按系别删除");
    		deleteCollage.setFont(new Font("宋体", Font.PLAIN, 13));
    		delete.add(deleteCollage);
    		deleteCollage.addActionListener(this);
    		deleteCollage.setActionCommand("按系别删除");
    		delete.addSeparator();
    		//按班级删除
    		deleteClass = new JMenuItem("按班级删除");
    		deleteClass.setFont(new Font("宋体", Font.PLAIN, 13));
    		delete.add(deleteClass);
    		deleteClass.addActionListener(this);
    		deleteClass.setActionCommand("按班级删除");
    		delete.addSeparator();
    		//按性别删除
    		deleteSex = new JMenuItem("按性别删除");
    		deleteSex.setFont(new Font("宋体", Font.PLAIN, 13));
    		delete.add(deleteSex);
    		deleteSex.addActionListener(this);
    		deleteSex.setActionCommand("按性别删除");
    		delete.addSeparator();
    		//按年龄删除
    		deleteAge = new JMenuItem("按年龄删除");
    		deleteAge.setFont(new Font("宋体", Font.PLAIN, 13));
    		delete.add(deleteAge);
    		deleteAge.addActionListener(this);
    		deleteAge.setActionCommand("按年龄删除");
    		//添加
    		add = new JMenu("添加");
    		add.setMnemonic(KeyEvent.VK_A);
    		add.setFont(new Font("宋体", Font.PLAIN, 14));
    		edit.add(add);
    		edit.addSeparator();
    		add.addActionListener(this);
    		add.setActionCommand("添加");
    		//添加学生
    		addStudent = new JMenuItem("添加学生");
    		addStudent.setFont(new Font("宋体", Font.PLAIN, 13));
    		add.add(addStudent);
    		addStudent.addActionListener(this);
    		addStudent.setActionCommand("添加学生");
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//修改
    		alter = new JMenu("修改");
    		alter.setMnemonic(KeyEvent.VK_A);//
    		alter.setFont(new Font("宋体", Font.PLAIN, 14));
    		edit.add(alter);
    		alter.addActionListener(this);
    		alter.setActionCommand("修改");
    		edit.addSeparator();
    		//按学号修改
    		alterID = new JMenuItem("按学号修改");
    		alterID.setFont(new Font("宋体", Font.PLAIN, 13));
    		alter.add(alterID);
    		alterID.addActionListener(this);
    		alterID.setActionCommand("按学号修改");
    		alter.addSeparator();
    		//按姓名修改
    		alterName = new JMenuItem("按姓名修改");
    		alterName.setFont(new Font("宋体", Font.PLAIN, 13));
    		alter.add(alterName);
    		alterName.addActionListener(this);
    		alterName.setActionCommand("按姓名修改");
    		//查询
    		search = new JMenu("查询");
    		search.setFont(new Font("宋体", Font.PLAIN, 14));
    		edit.add(search);
    		search.addActionListener(this);
    		search.setActionCommand("查询");
    		//按学号查询
    		searchID = new JMenuItem("按学号查询");
    		searchID.setFont(new Font("宋体", Font.PLAIN, 13));
    		search.add(searchID);
    		searchID.addActionListener(this);
    		searchID.setActionCommand("按学号查询");
    		search.addSeparator();
    		//姓名查询
    		searchName = new JMenuItem("按姓名查询");
    		searchName.setFont(new Font("宋体", Font.PLAIN, 13));
    		search.add(searchName);
    		searchName.addActionListener(this);
    		searchName.setActionCommand("按姓名查询");
    		search.addSeparator();
    		//按系别查询
    		searchCollage = new JMenuItem("按系别查询");
    		searchCollage.setFont(new Font("宋体", Font.PLAIN, 13));
    		search.add(searchCollage);
    		searchCollage.addActionListener(this);
    		searchCollage.setActionCommand("按系别查询");
    		search.addSeparator();
    		//按班级查询
    		searchClass = new JMenuItem("按班级查询");
    		searchClass.setFont(new Font("宋体", Font.PLAIN, 13));
    		search.add(searchClass);
    		searchClass.addActionListener(this);
    		searchClass.setActionCommand("按班级查询");
    		search.addSeparator();
    		//按性别查询
    		searchSex = new JMenuItem("按性别查询");
    		searchSex.setFont(new Font("宋体", Font.PLAIN, 13));
    		search.add(searchSex);
    		searchSex.addActionListener(this);
    		searchSex.setActionCommand("按性别查询");
    		search.addSeparator();
    		//按年龄查询
    		searchAge = new JMenuItem("按年龄查询");
    		searchAge.setFont(new Font("宋体", Font.PLAIN, 13));
    		search.add(searchAge);
    		searchAge.addActionListener(this);
    		searchAge.setActionCommand("按年龄查询");
    		// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//排序
    		//按学号排序
    		ID = new JMenuItem("按学号排序");
    		ID.setFont(new Font("宋体", Font.PLAIN, 14));
    		sort.add(ID);
    		sort.addSeparator();
    		ID.addActionListener(this);
    		ID.setActionCommand("按学号排序");
    		//按年龄排序
    		age = new JMenuItem("按年龄排序");
    		age.setFont(new Font("宋体", Font.PLAIN, 14));
    		sort.add(age);
    		sort.addSeparator();
    		age.addActionListener(this);
    		age.setActionCommand("按年龄排序");
    		//按总成绩排序
    		totalGrade  = new JMenuItem("按总成绩排序");
    		totalGrade.setFont(new Font("宋体", Font.PLAIN, 14));
    		sort.add(totalGrade);
    		sort.addSeparator();
    		totalGrade.addActionListener(this);
    		totalGrade.setActionCommand("按总成绩排序");
    		//按单科成绩排序
    		subject = new JMenu("按单科成绩排序");
    		subject.setFont(new Font("宋体", Font.PLAIN, 14));
    		sort.add(subject);
    		//按高数排序
    		math = new JMenuItem("按高数排序");
    		math.setFont(new Font("宋体", Font.PLAIN, 14));
    		subject.add(math);
    		math.addActionListener(this);
    		math.setActionCommand("按高数排序");
    		subject.addSeparator();
    		//按Java排序
    		java = new JMenuItem("按Java排序");
    		java.setFont(new Font("宋体", Font.PLAIN, 14));
    		subject.add(java);
    		java.addActionListener(this);
    		java.setActionCommand("按Java排序");
    		subject.addSeparator();
    		//按C语言排序
    		software = new JMenuItem("按C语言排序");
    		software.setFont(new Font("宋体", Font.PLAIN, 14));
    		subject.add(software);
    		software.addActionListener(this);
    		software.setActionCommand("按C语言排序");
    		subject.addSeparator();
    		//按大英排序
    		system = new JMenuItem("按大英排序");
    		system.setFont(new Font("宋体", Font.PLAIN, 14));
    		subject.add(system);
    		system.addActionListener(this);
    		system.setActionCommand("按大英排序");
    		// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//课程平均分
    		//求数学平均分
    		avgMath = new JMenuItem("求数学平均分");
    		avgMath.setFont(new Font("宋体", Font.PLAIN, 14));
    		avg.add(avgMath);
    		avgMath.addActionListener(this);
    		avgMath.setActionCommand("求数学平均分");
    		avg.addSeparator();
    		//求Java平均分
    		avgJava = new JMenuItem("求Java平均分");
    		avgJava.setFont(new Font("宋体", Font.PLAIN, 14));
    		avg.add(avgJava);
    		avgJava.addActionListener(this);
    		avgJava.setActionCommand("求Java平均分");
    		avg.addSeparator();
    		//求C语言平均分
    		avgSoftware = new JMenuItem("求C语言平均分");
    		avgSoftware.setFont(new Font("宋体", Font.PLAIN, 14));
    		avg.add(avgSoftware);
    		avgSoftware.addActionListener(this);
    		avgSoftware.setActionCommand("求C语言平均分");
    		avg.addSeparator();
    		//求大英平均分
    		avgSystem = new JMenuItem("求大英平均分");
    		avgSystem.setFont(new Font("宋体", Font.PLAIN, 14));
    		avg.add(avgSystem);
    		avgSystem.addActionListener(this);
    		avgSystem.setActionCommand("求大英平均分");
    		//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//饼形图
    		pie = new JMenu("饼形图");
    		pie.setFont(new Font("宋体", Font.PLAIN, 14));
    		ratio.add(pie);
    		pie.addActionListener(this);
    		pie.setActionCommand("饼形图");
    		ratio.addSeparator();
    		//Math柱形图
    		pieMath = new JMenuItem("Math");
    		pieMath.setFont(new Font("宋体", Font.PLAIN, 14));
    		pie.add(pieMath);
    		pieMath.addActionListener(this);
    		pieMath.setActionCommand("Math饼形图");
    		pie.addSeparator();
    		//Java柱形图
    		pieJava = new JMenuItem("Java");
    		pieJava.setFont(new Font("宋体", Font.PLAIN, 14));
    		pie.add(pieJava);
    		pieJava.addActionListener(this);
    		pieJava.setActionCommand("Java饼形图");
    		pie.addSeparator();
    		//大英柱形图
    		pieSystem = new JMenuItem("大英");
    		pieSystem.setFont(new Font("宋体", Font.PLAIN, 14));
    		pie.add(pieSystem);
    		pieSystem.addActionListener(this);
    		pieSystem.setActionCommand("大英饼形图");
    		pie.addSeparator();
    		//C语言柱形图
    		pieSoftware = new JMenuItem("C语言");
    		pieSoftware.setFont(new Font("宋体", Font.PLAIN, 14));
    		pie.add(pieSoftware);
    		pieSoftware.addActionListener(this);
    		pieSoftware.setActionCommand("C语言饼形图");
    		//柱形图
    		histogram = new JMenu("柱形图");
    		histogram.setFont(new Font("宋体", Font.PLAIN, 14));
    		ratio.add(histogram);
    		histogram.addActionListener(this);
    		histogram.setActionCommand("柱形图");
    		//Math柱形图
    		histogramMath = new JMenuItem("高数");
    		histogramMath.setFont(new Font("宋体", Font.PLAIN, 14));
    		histogram.add(histogramMath);
    		histogramMath.addActionListener(this);
    		histogramMath.setActionCommand("高数柱形图");
    		histogram.addSeparator();
    		//Java柱形图
    		histogramJava = new JMenuItem("Java");
    		histogramJava.setFont(new Font("宋体", Font.PLAIN, 14));
    		histogram.add(histogramJava);
    		histogramJava.addActionListener(this);
    		histogramJava.setActionCommand("Java柱形图");
    		histogram.addSeparator();
    		//大英柱形图
    		histogramSystem = new JMenuItem("大英");
    		histogramSystem.setFont(new Font("宋体", Font.PLAIN, 14));
    		histogram.add(histogramSystem);
    		histogramSystem.addActionListener(this);
    		histogramSystem.setActionCommand("大英柱形图");
    		histogram.addSeparator();
    		//C语言柱形图
    		histogramSoftware = new JMenuItem("C语言");
    		histogramSoftware.setFont(new Font("宋体", Font.PLAIN, 14));
    		histogram.add(histogramSoftware);
    		histogramSoftware.addActionListener(this);
    		histogramSoftware.setActionCommand("C语言柱形图");
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		cardl = new CardLayout();//设置卡片布局器
    		card = new JPanel();//声明面板
    		card.setBounds(0, 0, 650, 400);//设置边界
    		card.setOpaque(false);
    		card.setLayout(cardl);//设置面板布局器
    		jpSearch = new JPanel();//实例化面板对象
    		jpMain = new JPanel();
    		jpAddStudent = new JPanel();
    		jpAlterByID = new JPanel();
    		jpAlterByName = new JPanel();
    		jpSee = new JPanel();
    		jphelp = new JPanel();
    		
    		
    		card.add("首页", jpMain);//把文字内容添加到面板中
    		card.add("按班级查询",jpSearch);
    		card.add("添加学生", jpAddStudent);
    		card.add("按姓名修改", jpAlterByName);
    		card.add("按学号修改", jpAlterByID);
    		card.add("查看", jpSee);
    		card.add("帮助", jphelp);
    		c.add(card);//把card添加到窗体中
    		// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//首页
    		jpMain.setLayout(null);//设置布局管理器为空
    		jlMain1 = new JLabel();//设置标签
    		jlMain1.setText("欢迎来到华软学生成绩管理系统");//设置标签文本内容
    		jlMain1.setBounds(200, 150, 400, 40);//设置标签位置和大小
    		jlMain1.setFont(new Font("宋体", Font.PLAIN, 25));//设置标签字体和颜色
    		jlMain1.setForeground(Color.black);
    		jpMain.add(jlMain1);//把标签添加到面板中
    		jlMain2 = new JLabel();
    		jlMain2.setText("管理员:ZZL");
    		jlMain2.setBounds(300, 210, 400, 40);
    		jlMain2.setFont(new Font("宋体", Font.PLAIN, 20));
    		jlMain2.setForeground(Color.black);
    		jpMain.add(jlMain2);
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//帮助
    		jphelp.setLayout(null);
    		// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		jpAlterByID.setLayout(null);
    		//按学号修改
    		jlAlter1 = new JLabel();
    		jlAlter1.setText("按学号修改");
    		jlAlter1.setBounds(200, 20, 170, 20);
    		jlAlter1.setFont(new Font("宋体", Font.PLAIN, 20));
    		jpAlterByID.add(jlAlter1);
    		jlAlter2 = new JLabel();
    		jlAlter2.setBounds(20, 70, 200, 20);
    		jlAlter2.setText("*请输入要修改学生的学号:");
    		jlAlter2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter2);
    		//要修改学生的学号
    		jtAlterID = new JTextField();
    		jtAlterID.setBounds(220, 70, 150, 20);
    		jtAlterID.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterID);
    		//修改基本信息
    		jlAlter2 = new JLabel();
    		jlAlter2.setBounds(20, 100, 170, 20);
    		jlAlter2.setText("*修改基本信息*");
    		jlAlter2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter2);
    		// 修改姓名
    		jlAlter3 = new JLabel();
    		jlAlter3.setBounds(80, 140, 50, 20);
    		jlAlter3.setText("姓名:");
    		jlAlter3.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter3);
    		
    		jtAlterName = new JTextField();
    		jtAlterName.setBounds(130, 140, 150, 20);
    		jtAlterName.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterName);
    		// 修改年龄
    		jlAlter4 = new JLabel();
    		jlAlter4.setBounds(320, 140, 50, 20);
    		jlAlter4.setText("年龄:");
    		jlAlter4.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter4);
    		
    		jtAlterAge = new JTextField();
    		jtAlterAge.setBounds(370, 140, 150, 20);
    		jtAlterAge.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterAge);
    		
    		// 修改系别
    		jlAlter6 = new JLabel();
    		jlAlter6.setBounds(80, 170, 50, 20);
    		jlAlter6.setText("系别:");
    		jlAlter6.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter6);//获取符合条件的系别内容
    		
    		jtAlterCollage = new JTextField();//创建文本框对象
    		jtAlterCollage.setBounds(130, 170, 150, 20);
    		jtAlterCollage.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterCollage);//修改对应的ID号
    		//修改班级
    		jlAlter7 = new JLabel();
    		jlAlter7.setBounds(320, 170, 50, 20);
    		jlAlter7.setText("班级:");
    		jlAlter7.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter7);
    		jtAlterClass = new JTextField();
    		jtAlterClass.setBounds(370, 170, 150, 20);
    		jtAlterClass.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterClass);
    		// 修改性别
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(80, 210, 50, 20);
    		jlAlter5.setText("性别:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter5);
    		
    		jr_man = new JRadioButton();
    		jr_man.setText("男");
    		jr_man.setFont(new Font("宋体", Font.PLAIN, 16));
    		jr_man.setSelected(true);
    		jr_man.setBounds(130, 210, 50, 20);
    		jr_woman = new JRadioButton();
    		jr_woman.setText("女");
    		jr_woman.setFont(new Font("宋体", Font.PLAIN, 16));
    		jr_woman.setBounds(180, 210, 50, 20);
    		sexgroup = new ButtonGroup();
    		sexgroup.add(jr_man);
    		sexgroup.add(jr_woman);
    		jpAlterByID.add(jr_man);
    		jpAlterByID.add(jr_woman);
    		// 修改成绩
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(20, 240, 200, 20);
    		jlAlter5.setText("*修改单科成绩*");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter5);
    		// 修改高数
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(80, 270, 50, 20);
    		jlAlter5.setText("高数:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter5);
    		
    		jtAlterMath = new JTextField();
    		jtAlterMath.setBounds(130, 270, 150, 20);
    		jtAlterMath.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterMath);
    		//修改C语言
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(320, 270, 80, 20);
    		jlAlter5.setText("C语言:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter5);
    		
    		jtAlterSoftware = new JTextField();
    		jtAlterSoftware.setBounds(400, 270, 150, 20);
    		jtAlterSoftware.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterSoftware);
    		// 修改Java
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(80, 300, 50, 20);
    		jlAlter5.setText("Java:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter5);
    		
    		jtAlterJava = new JTextField();
    		jtAlterJava.setBounds(130, 300, 150, 20);
    		jtAlterJava.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterJava);
    		// 修改大英
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(320, 300, 80, 20);
    		jlAlter5.setText("大英:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jlAlter5);
    		jtAlterSystem = new JTextField();
    		jtAlterSystem.setBounds(400, 300, 150, 20);
    		jtAlterSystem.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByID.add(jtAlterSystem);
    		
    		jbAlterSure = new JButton();//创建按钮对象
    		jbAlterSure.setBounds(500, 325, 50, 20);//设置按钮大小
    		jbAlterSure.setIcon(new ImageIcon("pic//tijiao.gif"));//添加图像
    		jbAlterSure.addActionListener(this);//注册侦听器
    		jbAlterSure.setActionCommand("按学号修改提交");
    		jpAlterByID.add(jbAlterSure);//添加进ID 面板
    		
    		// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		jpAlterByName.setLayout(null);//设置面板为空布局
    		//按姓名修改
    		jlAlter1 = new JLabel();
    		jlAlter1.setText("按姓名修改");
    		jlAlter1.setBounds(230, 20, 170, 20);
    		jlAlter1.setFont(new Font("宋体", Font.PLAIN, 20));
    		jpAlterByName.add(jlAlter1);
    		jlAlter2 = new JLabel();
    		jlAlter2.setBounds(20, 70, 200, 20);
    		jlAlter2.setText("*请输入要修改学生的姓名:");
    		jlAlter2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter2);
    		//要修改学生的姓名
    		jtAlterName2 = new JTextField();
    		jtAlterName2.setBounds(220, 70, 150, 20);
    		jtAlterName2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterName2);
    		//修改基本信息
    		jlAlter2 = new JLabel();
    		jlAlter2.setBounds(20, 100, 170, 20);
    		jlAlter2.setText("*修改基本信息*");
    		jlAlter2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter2);
    		// 修改学号
    		jlAlter3 = new JLabel();
    		jlAlter3.setBounds(80, 140, 50, 20);
    		jlAlter3.setText("学号:");
    		jlAlter3.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter3);
    		
    		jtAlterID2 = new JTextField();
    		jtAlterID2.setBounds(130, 140, 150, 20);
    		jtAlterID2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterID2);
    		// 修改年龄
    		jlAlter4 = new JLabel();
    		jlAlter4.setBounds(320, 140, 50, 20);
    		jlAlter4.setText("年龄:");
    		jlAlter4.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter4);
    		
    		jtAlterAge2 = new JTextField();
    		jtAlterAge2.setBounds(370, 140, 150, 20);
    		jtAlterAge2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterAge2);
    		
    		// 修改系别
    		jlAlter6 = new JLabel();
    		jlAlter6.setBounds(80, 170, 50, 20);
    		jlAlter6.setText("系别:");
    		jlAlter6.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter6);
    		
    		jtAlterCollage2 = new JTextField();
    		jtAlterCollage2.setBounds(130, 170, 150, 20);
    		jtAlterCollage2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterCollage2);
    		//修改班级
    		jlAlter7 = new JLabel();
    		jlAlter7.setBounds(320, 170, 50, 20);
    		jlAlter7.setText("班级:");
    		jlAlter7.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter7);
    		jtAlterClass2 = new JTextField();
    		jtAlterClass2.setBounds(370, 170, 150, 20);
    		jtAlterClass2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterClass2);
    		// 修改性别
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(80, 210, 50, 20);
    		jlAlter5.setText("性别:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter5);
    		
    		jr_man2 = new JRadioButton();
    		jr_man2.setText("男");
    		jr_man2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jr_man2.setSelected(true);
    		jr_man2.setBounds(130, 210, 50, 20);
    		jr_woman2 = new JRadioButton();
    		jr_woman2.setText("女");
    		jr_woman2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jr_woman2.setBounds(180, 210, 50, 20);
    		sexgroup2 = new ButtonGroup();
    		sexgroup2.add(jr_man2);
    		sexgroup2.add(jr_woman2);
    		jpAlterByName.add(jr_man2);
    		jpAlterByName.add(jr_woman2);
    		// 修改成绩
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(20, 240, 200, 20);
    		jlAlter5.setText("*修改单科成绩*");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter5);
    		// 修改数学
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(80, 270, 50, 20);
    		jlAlter5.setText("数学:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter5);
    		
    		jtAlterMath2 = new JTextField();
    		jtAlterMath2.setBounds(130, 270, 150, 20);
    		jtAlterMath2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterMath2);
    		//修改C语言
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(320, 270, 80, 20);
    		jlAlter5.setText("C语言:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter5);
    		
    		jtAlterSoftware2 = new JTextField();
    		jtAlterSoftware2.setBounds(400, 270, 150, 20);
    		jtAlterSoftware2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterSoftware2);
    		// 修改Java
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(80, 300, 50, 20);
    		jlAlter5.setText("Java:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter5);
    		
    		jtAlterJava2 = new JTextField();
    		jtAlterJava2.setBounds(130, 300, 150, 20);
    		jtAlterJava2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterJava2);
    		// 修改大英
    		jlAlter5 = new JLabel();
    		jlAlter5.setBounds(320, 300, 80, 20);
    		jlAlter5.setText("大英:");
    		jlAlter5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jlAlter5);
    		jtAlterSystem2 = new JTextField();
    		jtAlterSystem2.setBounds(400, 300, 150, 20);
    		jtAlterSystem2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAlterByName.add(jtAlterSystem2);
    		
    		jbAlterSure2 = new JButton();
    		jbAlterSure2.setBounds(500, 325, 50, 20);
    		jbAlterSure2.setIcon(new ImageIcon("pic//tijiao.gif"));
    		jbAlterSure2.addActionListener(this);
    		jbAlterSure2.setActionCommand("按姓名修改提交");
    		jpAlterByName.add(jbAlterSure2);
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//添加
    		jpAddStudent.setLayout(null);
    		jlAdd1 = new JLabel();
    		jlAdd1.setBounds(200, 20, 200, 20);
    		jlAdd1.setText("添加学生基本信息");
    		jlAdd1.setFont(new Font("宋体", Font.PLAIN, 20));
    		jpAddStudent.add(jlAdd1);
    		// 添加基本信息
    		jlAdd2 = new JLabel();
    		jlAdd2.setBounds(20, 60, 100, 20);
    		jlAdd2.setText("*基本信息:");
    		jlAdd2.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd2);
    		//添加学号
    		jlAdd3 = new JLabel();
    		jlAdd3.setBounds(80, 90, 50, 20);
    		jlAdd3.setText("学号:");
    		jlAdd3.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd3);
    		jtAddID = new JTextField();
    		jtAddID.setBounds(130, 90, 150, 20);
    		jtAddID.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddID);
    		// 添加姓名
    		jlAdd4 = new JLabel();
    		jlAdd4.setBounds(320, 90, 50, 20);
    		jlAdd4.setText("姓名:");
    		jlAdd4.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd4);
    		jtAddName = new JTextField();
    		jtAddName.setBounds(370, 90, 150, 20);
    		jtAddName.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddName);
    		// 添加年龄
    		jlAdd5 = new JLabel();
    		jlAdd5.setBounds(80, 130, 50, 20);
    		jlAdd5.setText("年龄:");
    		jlAdd5.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd5);
    		jtAddAge = new JTextField();
    		jtAddAge.setBounds(130, 130, 150, 20);
    		jtAddAge.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddAge);
    		// 添加系别
    		jlAdd12 = new JLabel();
    		jlAdd12.setBounds(320, 130, 50, 20);
    		jlAdd12.setText("系别:");
    		jlAdd12.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd12);
    		jtAddCollage = new JTextField();
    		jtAddCollage.setBounds(370, 130, 150, 20);
    		jtAddCollage.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddCollage);
    		// 添加性别
    		jlAdd6 = new JLabel();
    		jlAdd6.setBounds(80, 170, 50, 20);
    		jlAdd6.setText("性别:");
    		jlAdd6.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd6);
    		jr_man = new JRadioButton();
    		jr_man.setText("男");
    		jr_man.setFont(new Font("宋体", Font.PLAIN, 16));
    		jr_man.setSelected(true);
    		jr_man.setBounds(130, 170, 50, 20);
    		jr_woman = new JRadioButton();
    		jr_woman.setText("女");
    		jr_woman.setFont(new Font("宋体", Font.PLAIN, 16));
    		jr_woman.setBounds(180, 170, 50, 20);
    		sexgroup = new ButtonGroup();
    		sexgroup.add(jr_man);
    		sexgroup.add(jr_woman);
    		jpAddStudent.add(jr_man);
    		jpAddStudent.add(jr_woman);
    		//添加班级
    		jlAdd13 = new JLabel();
    		jlAdd13.setBounds(320, 170, 50, 20);
    		jlAdd13.setText("班级:");
    		jlAdd13.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd13);
    		jtAddClass = new JTextField();
    		jtAddClass.setBounds(370, 170, 150, 20);
    		jtAddClass.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddClass);
    		// 添加成绩
    		jlAdd7 = new JLabel();
    		jlAdd7.setBounds(20, 210, 100, 20);
    		jlAdd7.setText("*单科成绩:");
    		jlAdd7.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd7);
    		// 添加数学
    		jlAdd8 = new JLabel();
    		jlAdd8.setBounds(80, 240, 50, 20);
    		jlAdd8.setText("数学:");
    		jlAdd8.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd8);
    		jtAddMath = new JTextField();
    		jtAddMath.setBounds(130, 240, 150, 20);
    		jtAddMath.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddMath);
    		// 添加C语言
    		jlAdd9 = new JLabel();
    		jlAdd9.setBounds(320, 240, 80, 20);
    		jlAdd9.setText("C语言:");
    		jlAdd9.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd9);
    		jtAddSoftware = new JTextField();
    		jtAddSoftware.setBounds(400, 240, 150, 20);
    		jtAddSoftware.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddSoftware);
    		// 添加Java
    		jlAdd10 = new JLabel();
    		jlAdd10.setBounds(80, 280, 50, 20);
    		jlAdd10.setText("Java:");
    		jlAdd10.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd10);
    		jtAddJava = new JTextField();
    		jtAddJava.setBounds(130, 280, 150, 20);
    		jtAddJava.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddJava);
    		// 添加大英
    		jlAdd11 = new JLabel();
    		jlAdd11.setBounds(320, 280, 80, 20);
    		jlAdd11.setText("大英:");
    		jlAdd11.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jlAdd11);
    		jtAddSystem = new JTextField();
    		jtAddSystem.setBounds(400, 280, 150, 20);
    		jtAddSystem.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpAddStudent.add(jtAddSystem);
    		jbAddSure = new JButton();
    		jbAddSure.setBounds(500, 320, 50, 20);
    		jbAddSure.setIcon(new ImageIcon("pic//tijiao.gif"));
    		jbAddSure.addActionListener(this);
    		jbAddSure.setActionCommand("添加提交");
    		jpAddStudent.add(jbAddSure);
    		// +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//查看
    		jl = new JLabel();
    		jl.setBounds(150, 50, 300, 20);
    		jl.setText("学生成绩信息表");
    		jl.setForeground(Color.gray);
    		jl.setFont(new Font("宋体", Font.PLAIN, 16));
    		jpSee.add(jl);
    		
    		MyTableModel Mytable = new MyTableModel();
    		jtable = new JTable(Mytable);
    		jtable.setShowGrid(true);
    		//设置列宽
    		col1 = jtable.getColumnModel().getColumn(0);
    		col1.setPreferredWidth(145);
    		col2 = jtable.getColumnModel().getColumn(1);
    		col2.setPreferredWidth(80);
    		col3 = jtable.getColumnModel().getColumn(2);
    		col3.setPreferredWidth(50);
    		col4 = jtable.getColumnModel().getColumn(3);
    		col4.setPreferredWidth(50);
    		col5 = jtable.getColumnModel().getColumn(4);
    		col5.setPreferredWidth(100);
    		col6 = jtable.getColumnModel().getColumn(5);
    		col6.setPreferredWidth(130);
    		col7 = jtable.getColumnModel().getColumn(6);
    		col7.setPreferredWidth(80);
    		col8 = jtable.getColumnModel().getColumn(7);
    		col8.setPreferredWidth(80);
    		col9 = jtable.getColumnModel().getColumn(8);
    		col9.setPreferredWidth(80);
    		col10 = jtable.getColumnModel().getColumn(9);
    		col10.setPreferredWidth(80);
    		jtable.setPreferredScrollableViewportSize(new Dimension(640, 400));//设置滚动条
    		js = new JScrollPane(jtable);
    		js.setBounds(50, 20, 750, 550);//
    		jpSee.add(js);
    	    //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		setLocation(500, 150);//设置窗口左上角坐标
    		setResizable(true);//设置窗口可最大化
    		setSize(750, 500);//设置窗口大小
    		setVisible(true);//设置窗口可见
    		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置窗口默认关闭为退出程序
    		setTitle("华软学生成绩管理系统");//设置窗口标题
    	}
        //+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//判断学生是否存在
    	public Boolean isEixt(String ID, String fileName)
    	{
    		String str = null;
    		String[][] student = new String[100][];
    		FileReader fr;
    		BufferedReader br;
    		try
    		{
    			fr = new FileReader(fileName);
    			br = new BufferedReader(fr);
    			try
    			{
    				for (int i = 0; (str = br.readLine()) != null; i++)
    				{
    					student[i] = str.split(" ");
    					if (student[i][0].equals(ID))
    					{
    						return true;
    					}
    				}
    			}
    			catch (IOException e)
    			{
    				e.printStackTrace();
    			}
    		}
    		catch (FileNotFoundException e)
    		{
    			e.printStackTrace();
    		}
    		return false;
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
        //添加基本信息
    	public void add(String information, String FileName)
    	{
    		File file = new File(FileName);
    		try
    		{
    			BufferedWriter bw;
    			FileWriter fw;
    			// 如果文件(班级)不存在则创建
    			if (!file.exists())
    			{
    				// 创建文件(班级)
    				file.createNewFile();
    			}
    			try
    			{
    				fw = new FileWriter(FileName, true);
    				bw = new BufferedWriter(fw);
    				bw.write(information);
    				bw.newLine();
    				bw.close();
    			}
    			catch (IOException ex)
    			{
    				ex.printStackTrace();
    			}
    		}
    		catch (IOException e1)
    		{
    			e1.printStackTrace();
    		}
    	}
        //++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//查看
    	public void SeeAll(String FileName)
    	{
    		String str = null;
    		for(int i =0;i<100;i++)
    		{
    			for(int j=0;j<12;j++)
    			{
    				student[i][j] = " ";
    			}
    		}
    		try
            {
    	        FileReader fr = new FileReader(FileName);
    	        BufferedReader br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	student[i] = str.split(" ");
    	        }
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
    	}
    	//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//查询
    	public int Search(String FileName,int num,String information)
    	{
    		String str = null;
    		String temp [][] = new String[100][12];
    		int count = 0;
    		int flag = 0;
    		for(int i =0;i<100;i++)
    		{
    			for(int j=0;j<12;j++)
    			{
    				student[i][j] = "";
    			}
    		}
    		try
            {
    	        FileReader fr = new FileReader(FileName);
    	        BufferedReader br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	temp[i] = str.split(" ");
    	        	if(temp[i][num].equals(information))
    	        	{
    	        		student[count] = temp[i];
    	        		count ++;
    	        		flag = 1;
    	        	}
    	        }
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
            return flag;
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//删除
    	public int delete(String FileName,int num,String information)
    	{
    		FileReader fr;
    		BufferedReader br;
    		BufferedWriter bw;
    		FileWriter fw;
    		String str = null;
    		int count = 0;
    		int k = 0;
    		int flag = 0;//判断该学生是否存在 0 没有 1 有
    		String temp [][] = new String[100][12];
    		for(int i =0;i<100;i++)
    		{
    			for(int j=0;j<12;j++)
    			{
    				student[i][j] = "";
    			}
    		}
            try
            {
    	        fr = new FileReader(FileName);
    	        br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	temp[i] = str.split(" ");
    	        	if(temp[i][num].equals(information))
    	        	{
    	        		flag = 1;
    	        		continue;
    	        	}
    	        	student[count++]=temp[i];
    	        	if(k == 0)
    	        	{
    	        		fw = new FileWriter(FileName);
    	        		k++;
    	        	}
    	        	else
    	        	{
    	        		fw = new FileWriter(FileName,true);
    	        	}
    	        	bw = new BufferedWriter(fw);
    	        	bw.write(str);
    	 	        bw.newLine();
    	 	        bw.close();
    	        }
    	        br.close();
    	        
            }
            catch (FileNotFoundException e)
            {
    	        e.printStackTrace();
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
            return flag;
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//修改
    	public int alter(int num,String information[])
    	{
    		FileReader fr;
    		BufferedReader br;
    		BufferedWriter bw;
    		FileWriter fw;
    		String str = null;
    		String tempStr = null;
    		int k =0;
    		int flag = 0;//判断该学生是否存在 0 没有 1 有
    		double total = 0;
    		String temp [][] = new String[100][12];
    		for(int i =0;i<100;i++)
    		{
    			for(int j=0;j<12;j++)
    			{
    				student[i][j] = " ";
    			}
    		}
            try
            {
    	        fr = new FileReader(FileName);
    	        br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	temp[i] = str.split(" ");
    	        	if(temp[i][num].equals(information[num]))
    	        	{System.out.print("信息匹配成功~~");
    	        		tempStr = null;
    	        		flag = 1;
    	        		for(int j =0;j<= 9;j++)
    	        		{
    	        			if(information[j].equals(""))
    	        			{
    	        				if(j>=6)//修改单科成绩也要修改总成绩 和平均分
    	        				{
    	        					total += Double.parseDouble(temp[i][j]);
    	        				}
    	        				if(j == 0)
    	        					tempStr = temp[i][j];
    	        				else
    	        					tempStr=tempStr+" "+temp[i][j];
    	        				continue;
    	        			}
    	        			if(j>=6)
    	        			{
    	        				total += Double.parseDouble(information[j]);
    	        			}
    	        			temp[i][j] = information[j];
    	        			if(j == 0)
    	        				tempStr=temp[i][j];
    	        			else
    	        				tempStr=tempStr+" "+temp[i][j];
    	        		}
    	        		str = tempStr+" "+String.valueOf(total)+" "+String.valueOf((int)(total/4));
    	        		temp[i][10] = String.valueOf(total);temp[i][11] = String.valueOf((int)(total/4));
    	        	}
    	        	student[i]=temp[i];
    	        	if(k == 0)
    	        	{
    	        		fw = new FileWriter(FileName);
    	        		k++;
    	        	}
    	        	else
    	        	{
    	        		fw = new FileWriter(FileName,true);
    	        	}
    	        	bw = new BufferedWriter(fw);
    	        	bw.write(str);
    	 	        bw.newLine();
    	 	        bw.close();
    	        }
    	        br.close();
    	        
            }
            catch (FileNotFoundException e)
            {
    	        e.printStackTrace();
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
            return flag;
    	}
    	//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//排序
    	public void Sort(int num)
    	{
    		String str = null;
    		double d1,d2;
    		int count = 0;
    		for(int i =0;i<100;i++)
    		{
    			for(int j=0;j<12;j++)
    			{
    				student[i][j] = null;
    			}
    		}
    		try
            {
    	        FileReader fr = new FileReader(FileName);
    	        BufferedReader br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	student[i] = str.split(" ");
    	        	count++;
    	        }
    	        for (int j = 0;j < count;j++) 
    			{			
    				for (int i = 0;i < count-1;i++) 
    				{				
    					String[] temp;
    					d1 = Double.parseDouble(student[i][num]);
    					d2 = Double.parseDouble(student[i+1][num]);
    					if(num == 3 ||num == 6||num == 7||num == 8|| num == 9||num == 10)
    					{
    						if (d1<d2)
    						{					
    							temp = student[i];					
    							student[i] = student[i + 1];					
    							student[i + 1] = temp;									
    						}		
    					}
    					else
    					{
    						if (d1>d2)
    						{					
    							temp = student[i];					
    							student[i] = student[i + 1];					
    							student[i + 1] = temp;									
    						}	
    					}
    						
    				}		
    			}	
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//查询平均成绩
    	public double SearchAvg(int num)
    	{
    		String str = null;
    		String temp [][] = new String[100][10];
    		double total = 0;
    		int count = 0;
    		for(int i =0;i<100;i++)
    		{
    			for(int j=0;j<12;j++)
    			{
    				student[i][j] = "";
    			}
    		}
    		try
            {
    	        FileReader fr = new FileReader(FileName);
    	        BufferedReader br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	count ++;
    	        	temp[i] = str.split(" ");
    	        	total +=Double.parseDouble(temp[i][num]);
    	        }
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
            return total/count;
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	public boolean Check(String str)
    	{
    		int len = str.length();
    		for(int i =0;i<len;i++)
    		{
    			if(str.charAt(i)<'0'||str.charAt(i)>'9')
    			{
    				return false;
    			}
    		}
    		return true;
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	//百分比
    	public int[] percent(int num)
    	{
    		String temp [][] = new String[100][10];
    		String str = null;
    		int information[] = new int [7];
    		for(int i=0;i<6;i++)
    		{
    			information[i] = 0;
    		}
    		try
            {
    	        FileReader fr = new FileReader(FileName);
    	        BufferedReader br = new BufferedReader(fr);
    	        for(int i =0;(str = br.readLine())!=null;i++)
    	        {
    	        	temp[i] = str.split(" ");
    	        	information[5]++;
    	        	if(Double.parseDouble(temp[i][num])>=90)
    	        	{
    	        		information[0]++;
    	        	}
    	        	else if(Double.parseDouble(temp[i][num])>=80)
    	        	{
    	        		information[1]++;
    	        	}
    	        	else if(Double.parseDouble(temp[i][num])>=70)
    	        	{
    	        		information[2]++;
    	        	}
    	        	else if(Double.parseDouble(temp[i][num])>=60)
    	        	{
    	        		information[3]++;
    	        	}
    	        	else if(Double.parseDouble(temp[i][num])<60)
    	        	{
    	        		information[4]++;
    	        	}
    	        }
            }
            catch (IOException e)
            {
    	        e.printStackTrace();
            }
    		return information;
    	}
    	//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    	public void mouseReleased(MouseEvent e)
    	{}
    
    	public void mousePressed(MouseEvent e)
    	{}
    
    	public void mouseEntered(MouseEvent e)
    	{}
    
    	public void mouseExited(MouseEvent e)
    	{}
    
    	public void mouseClicked(MouseEvent e)
    	{
    		Point p = e.getPoint();
    		row = jtable.rowAtPoint(p);
    		if (e.getClickCount() == 2)
    		{}
    	}
    
    	public void actionPerformed(ActionEvent e)
    	{
    		if (e.getActionCommand().equals("首页"))
    		{
    			cardl.show(card, "首页");
    		}
    		else if (e.getActionCommand().equals("退出"))
    		{
    			dispose();
    		}
    		else if (e.getActionCommand().equals("帮助"))
    		{
    			cardl.show(card, "帮助");
    		}
    		else if (e.getActionCommand().equals("查看"))
    		{
    			jtable.updateUI();
    			SeeAll(FileName);
    			cardl.show(card, "查看");
    		}
    		//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//按学号删除
    		else if (e.getActionCommand().equals("按学号删除"))
    		{
    			String ID=JOptionPane.showInputDialog(null,"请输入学号"); 
    			if(ID!=null)
    			{
    				if(!ID.equals(""))
    				{
    					jtable.updateUI();
    					if(delete(FileName,0,ID) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该学生", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入学号!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按姓名删除
    		else if (e.getActionCommand().equals("按姓名删除"))
    		{
    			String Name=JOptionPane.showInputDialog(null,"请输入姓名"); 
    			if(Name!=null)
    			{
    				if(!Name.equals(""))
    				{
    					jtable.updateUI();
    					if(delete(FileName,1,Name) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,该学生不在成绩管理系统中!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    				    cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入姓名!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按性别删除
    		else if (e.getActionCommand().equals("按性别删除"))
    		{
    			Object[] Sex = {"男","女"};
    			String s = (String) JOptionPane.showInputDialog(this,"请选择性别
    ","按性别删除", JOptionPane.QUESTION_MESSAGE, null,Sex, "男");
    			if(!s.equals(""))
    			{
    				jtable.updateUI();
    				if(delete(FileName,2,s) == 0)
    				{
    					JOptionPane.showMessageDialog(null, "对不起,在成绩管理系统中没有查找到!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    				cardl.show(card, "查看");
    			}
    			
    		}
    		//按年龄删除
    		else if (e.getActionCommand().equals("按年龄删除"))
    		{
    			String Age=JOptionPane.showInputDialog(null,"请输入年龄");
    			if(Age!=null)
    			{
    				if(!Age.equals(""))
    				{
    					jtable.updateUI();
    					if(delete(FileName,3,Age) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该年龄的学生", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入年龄!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按系别删除
    		else if (e.getActionCommand().equals("按系别删除"))
    		{
    			String Collage=JOptionPane.showInputDialog(null,"请输入系别");
    			if(Collage!=null)
    			{
    				if(!Collage.equals(""))
    				{
    					jtable.updateUI();
    					if(delete(FileName,4,Collage)  == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该系别的学生", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入系别!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按班级删除
    		else if (e.getActionCommand().equals("按班级删除"))
    		{
    			String Class=JOptionPane.showInputDialog(null,"请输入班级");
    			if(Class!=null)
    			{
    				if(!Class.equals(""))
    				{
    					jtable.updateUI();
    					if(delete(FileName,5,Class) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该班级的学生", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入班级!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		else if (e.getActionCommand().equals("添加学生"))
    		{
    			cardl.show(card, "添加学生");
    		}
    		else if (e.getActionCommand().equals("添加班级"))
    		{
    			cardl.show(card, "添加学生");
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		else if (e.getActionCommand().equals("按学号修改"))
    		{
    			cardl.show(card, "按学号修改");
    		}
    		else if (e.getActionCommand().equals("按姓名修改"))
    		{
    			cardl.show(card, "按姓名修改");
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		//按学号查询
    		else if (e.getActionCommand().equals("按学号查询"))
    		{
    			String ID=JOptionPane.showInputDialog(null,"请输入学号");
    			if(ID!=null)
    			{
    				if(!ID.equals(""))
    				{
    					jtable.updateUI();
    					if(Search(FileName,0,ID) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,该学生不在成绩管理系统中!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入学号!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按姓名查询
    		else if (e.getActionCommand().equals("按姓名查询"))
    		{
    			String Name=JOptionPane.showInputDialog(null,"请输入姓名");
    			if(Name!=null)
    			{
    				if(!Name.equals(""))
    				{
    					jtable.updateUI();
    					if(Search(FileName,1,Name) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,该学生不在成绩管理系统中!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入姓名!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按性别查询
    		else if (e.getActionCommand().equals("按性别查询"))
    		{
    			Object[] Sex = {"男","女"};
    			String s = (String) JOptionPane.showInputDialog(this,"请选择性别
    ","按性别查询", JOptionPane.QUESTION_MESSAGE, null,Sex, "男");
    			if(s!=null)
    			{
    					jtable.updateUI();
    					if(Search(FileName,2,s) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,在成绩管理系统中没有查找到该性别的学生!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    			}
    		}
    		//按年龄查询
    		else if (e.getActionCommand().equals("按年龄查询"))
    		{
    			String Age=JOptionPane.showInputDialog(null,"请输入年龄");
    			if(Age!=null)
    			{
    				if(!Age.equals(""))
    				{
    					jtable.updateUI();
    					if(Search(FileName,3,Age) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该年龄的学生!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入年龄!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按系别查询
    		else if (e.getActionCommand().equals("按系别查询"))
    		{
    			String Collage=JOptionPane.showInputDialog(null,"请输入系别");
    			if(Collage!=null)
    			{
    				if(!Collage.equals(""))
    				{
    					jtable.updateUI();
    					if(Search(FileName,4,Collage) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该系别的学生!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入系别!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//按班级查询
    		else if (e.getActionCommand().equals("按班级查询"))
    		{
    			String Class =JOptionPane.showInputDialog(null,"请输入班级");
    			if(Class!=null)
    			{
    				if(!Class.equals(""))
    				{
    					jtable.updateUI();
    					if(Search(FileName,5,Class) == 0)
    					{
    						JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该班级的学生!", "提示", JOptionPane.INFORMATION_MESSAGE);
    					}
    					cardl.show(card, "查看");
    				}
    				else
    				{
    					JOptionPane.showMessageDialog(null, "对不起,请确保输入班级!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		else if (e.getActionCommand().equals("按学号排序"))
    		{
    			jtable.updateUI();
    			Sort(0);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按年龄排序"))
    		{
    			jtable.updateUI();
    			Sort(3);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按总成绩排序"))
    		{
    			jtable.updateUI();
    			Sort(10);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按Java排序"))
    		{
    			jtable.updateUI();
    			Sort(8);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按高数排序"))
    		{
    			jtable.updateUI();
    			Sort(6);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按C语言排序"))
    		{
    			jtable.updateUI();
    			Sort(7);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按大英排序"))
    		{
    			jtable.updateUI();
    			Sort(9);
    			cardl.show(card, "查看");
    		}
    		else if (e.getActionCommand().equals("按总成绩排序"))
    		{
    			String Age=JOptionPane.showInputDialog(null,"请输入年龄");
    			jtable.updateUI();
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		else if (e.getActionCommand().equals("求数学平均分"))
    		{
    			cardl.show(card, "首页");
    			JOptionPane.showMessageDialog(null, "数学平均分:"+String.valueOf(SearchAvg(6)), "提示", JOptionPane.INFORMATION_MESSAGE);
    		}
    		else if (e.getActionCommand().equals("求Java平均分"))
    		{
    			cardl.show(card, "首页");
    			JOptionPane.showMessageDialog(null, "Java平均分:"+String.valueOf(SearchAvg(8)), "提示", JOptionPane.INFORMATION_MESSAGE);
    		}
    		else if (e.getActionCommand().equals("求C语言平均分"))
    		{
    			cardl.show(card, "首页");
    			JOptionPane.showMessageDialog(null, "C语言平均分:"+String.valueOf(SearchAvg(7)), "提示", JOptionPane.INFORMATION_MESSAGE);
    		}
    		else if (e.getActionCommand().equals("求大英平均分"))
    		{
    			cardl.show(card, "首页");
    			JOptionPane.showMessageDialog(null, "大英平均分:"+String.valueOf(SearchAvg(9)), "提示", JOptionPane.INFORMATION_MESSAGE);
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		else if (e.getActionCommand().equals("Math饼形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(6);
    			n = (double)information[5]/100;
    			JFree jf = new JFree("Math",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("Java饼形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(8);
    			n = (double)information[5]/100;
    			JFree jf = new JFree("Java",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("大英饼形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(9);
    			n = (double)information[5]/100;
    			JFree jf = new JFree("大英",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("C语言饼形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(7);
    			n = (double)information[5]/100;
    			JFree jf = new JFree("C语言",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("Math柱形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(6);
    			n = (double)information[5]/100;
    			JFree2 jf = new JFree2("Math",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("Java柱形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(8);
    			n = (double)information[5]/100;
    			JFree2 jf = new JFree2("Java",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("大英柱形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(9);
    			n = (double)information[5]/100;
    			JFree2 jf = new JFree2("大英",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("C语言柱形图"))
    		{
    			int information[] = new int [7];
    			double n =0;
    			information = percent(7);
    			n = (double)information[5]/100;
    			JFree2 jf = new JFree2("C语言",information[0]/n,information[1]/n,information[2]/n,information[3]/n,information[4]/n);
    		}
    		else if (e.getActionCommand().equals("help"))
    		{
    			JOptionPane.showMessageDialog(null, "请联系相关人员进行帮助~~", "提示", JOptionPane.INFORMATION_MESSAGE);
    
    		}
    		//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
    		else if (e.getActionCommand().equals("按学号修改提交"))
    		{
    			String[] information = new String[10];
    			String sex = null;
    			if(jtAlterID.getText().equals(""))
    			{
    				JOptionPane.showMessageDialog(null, "对不起,请填写要修改学生的学号!", "提示", JOptionPane.INFORMATION_MESSAGE);
    			}
    			else if(!Check(jtAlterSystem.getText())||!Check(jtAlterID.getText())||!Check(jtAlterSoftware.getText())||!Check(jtAlterJava.getText())||!Check(jtAlterMath.getText())||!Check(jtAlterAge.getText()))
    			{
    				JOptionPane.showMessageDialog(null, "对不起,请确保信息格式正确!", "提示", JOptionPane.INFORMATION_MESSAGE);
    			}
    			else
    			{
    				information[0] = jtAlterID.getText();
    				information[1] = jtAlterName.getText();
    				if (jr_man.isSelected())
    				{sex = "男";}
    				else
    				{sex = "女";}
    				information[2] = sex;
    				information[3] = jtAlterAge.getText();
    				information[4] = jtAlterCollage.getText();
    				information[5] = jtAlterClass.getText();
    				information[6] = jtAlterMath.getText();
    				information[7] = jtAlterSoftware.getText();
    				information[8] = jtAlterJava.getText();
    				information[9] = jtAlterSystem.getText();
    				if(alter(0,information) == 0)
    				{
    					JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该学生!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    				else
    				{
    					jtAlterID.setText("");jtAlterAge.setText("");jtAlterCollage.setText("");jtAlterClass.setText("");jtAlterMath.setText("");jtAlterSoftware.setText("");
    					jtAlterJava.setText("");jtAlterSystem.setText("");jtAlterName.setText("");
    					JOptionPane.showMessageDialog(null, "修改信息成功", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		else if (e.getActionCommand().equals("按姓名修改提交"))
    		{
    			String[] information = new String[10];
    			String sex = null;
    			if(jtAlterName2.getText().equals(""))
    			{
    				JOptionPane.showMessageDialog(null, "对不起,请填写要修改学生的姓名!", "提示", JOptionPane.INFORMATION_MESSAGE);
    			}
    			else if(!Check(jtAlterSystem2.getText())||!Check(jtAlterID2.getText())||!Check(jtAlterSoftware2.getText())||!Check(jtAlterJava2.getText())||!Check(jtAlterMath2.getText())||!Check(jtAlterAge2.getText()))
    			{
    				JOptionPane.showMessageDialog(null, "对不起,请确保信息格式正确!", "提示", JOptionPane.INFORMATION_MESSAGE);
    			}
    			else
    			{
    				information[0] = jtAlterID2.getText();
    				information[1] = jtAlterName2.getText();
    				if (jr_man2.isSelected())
    				{sex = "男";}
    				else
    				{sex = "女";}
    				information[2] = sex;
    				information[3] = jtAlterAge2.getText();
    				information[4] = jtAlterCollage2.getText();
    				information[5] = jtAlterClass2.getText();
    				information[6] = jtAlterMath2.getText();
    				information[7] = jtAlterSoftware2.getText();
    				information[8] = jtAlterJava2.getText();
    				information[9] = jtAlterSystem2.getText();
    				if(alter(1,information) == 0)
    				{
    					JOptionPane.showMessageDialog(null, "对不起,成绩管理系统中没有该学生!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    				else
    				{
    					jtAlterID2.setText("");jtAlterAge2.setText("");jtAlterCollage2.setText("");jtAlterClass2.setText("");jtAlterMath2.setText("");jtAlterSoftware2.setText("");
    					jtAlterJava2.setText("");jtAlterSystem2.setText("");jtAlterName2.setText("");
    					JOptionPane.showMessageDialog(null, "修改信息成功", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    		else if (e.getActionCommand().equals("添加提交"))
    		{
    			String information = null;
    			String sex = null;
    			double math,system,java,software;
    			// 请确保信息填完成
    			if (jtAddCollage.getText().equals("") || jtAddSystem.getText().equals("") || jtAddID.getText().equals("") || jtAddName.getText().equals("") || jtAddAge.getText().equals("") || jtAddClass.getText().equals("")
    			        || jtAddMath.getText().equals("") || jtAddJava.getText().equals("") || jtAddSoftware.getText().equals(""))
    			{
    				JOptionPane.showMessageDialog(null, "对不起,请确保信息填完成!", "提示", JOptionPane.INFORMATION_MESSAGE);
    			}
    			else if(!Check(jtAddSystem.getText())||!Check(jtAddID.getText())||!Check(jtAddSoftware.getText())||!Check(jtAddJava.getText())||!Check(jtAddMath.getText())||!Check(jtAddAge.getText()))
    			{
    				JOptionPane.showMessageDialog(null, "对不起,请确保信息格式正确!", "提示", JOptionPane.INFORMATION_MESSAGE);
    			}
    			else
    			{
    				math = Double.parseDouble(jtAddMath.getText());
    				system = Double.parseDouble(jtAddSystem.getText());
    				java = Double.parseDouble(jtAddJava.getText());
    				software = Double.parseDouble(jtAddSoftware.getText());
    				if (jr_man.isSelected())
    				{
    					sex = "男";
    				}
    				else
    				{
    					sex = "女";
    				}
    				information = jtAddID.getText() + " " + jtAddName.getText() + " " + sex + " " + jtAddAge.getText()+" " +jtAddCollage.getText() +" " + jtAddClass.getText() + " " + jtAddMath.getText() + " "
    				        + jtAddSoftware.getText() + " " + jtAddJava.getText() + " " + jtAddSystem.getText()+" "+String.valueOf(math+system+java+software)+" "+String.valueOf((math+system+java+software)/4);
    				if (isEixt(jtAddID.getText(), FileName))
    				{
    					JOptionPane.showMessageDialog(null, "对不起,该信息已经填写!", "提示", JOptionPane.INFORMATION_MESSAGE);
    				}
    				else
    				{
    					add(information, FileName);
    					jtAddID.setText("");
    					jtAddName.setText("");
    					jtAddCollage.setText("");
    					jtAddClass.setText("");
    					jtAddAge.setText("");
    					jtAddMath.setText("");
    					jtAddSystem.setText("");
    					jtAddSoftware.setText("");
    					jtAddJava.setText("");
    					JOptionPane.showMessageDialog(null,"成功","提示",JOptionPane.INFORMATION_MESSAGE);
    				}
    			}
    		}
    	}
    
    	class MyTableModel extends AbstractTableModel
    	{
    		private String[] columnNames = {"学号","姓名","性别","年龄","系别","班级","高数","C语言","Java","大英","总成绩","平均分"};
    		private String[][] data = student;
    		public int getColumnCount()
    		{
    			return columnNames.length;
    		}
    
    		public int getRowCount()
    		{
    			if(data == null)
    			{
    				return 0;
    			}
    			else
    			{
    				return data.length;
    			}
    		}
    		public String getColumnName(int col)
    		{
    			return columnNames[col];
    		}
    
    		public String getValueAt(int row, int col)
    		{
    			return data[row][col];
    		}
    
    		public Class getColumnClass(int c)
    		{
    			return getValueAt(0, c).getClass();
    		}
    
    		public boolean isCellEditable(int row, int col)
    		{
    			return false;
    		}
    	}
    
    	public static void main(String[] args)
    	{
    		main m = new main();
    		m.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	}
    }
    
    
    

    上面是我的主程序,要整个包请联系我。

    一键三连呀!
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  • 原文地址:https://www.cnblogs.com/jee-cai/p/14095393.html
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