基于java的毕业论文设计

仅仅给你个参考//Java Group Project_StudentManagement源码//NetBeans IDE 环境package studentmanager;import .*;import .*;import .*;import .*;import .*;class Student implements {String number,name,specialty,grade,borth,sex;public Student(){};public void setNumber(String number){ ;}public String getNumber(){ return number;}public void setName(String name){ ;}public String getName(){ return name;}public void setSex(String sex){ ;}public String getSex(){ return sex;}public void setSpecialty(String specialty){ ;}public String getSpecialty(){ return specialty;}public void setGrade(String grade){ ;}public String getGrade(){ return grade;}public void setBorth(String borth){ ;}public String getBorth(){ return borth;}}public class StudentManager extends JFrame{JLabel lb=new JLabel("录入请先输入记录，查询、删除请先输入学号，修改是对查询" +"内容改后的保存！");JTextField 学号,姓名,专业,年级,出生;JRadioButton 男,女;ButtonGroup group=null;JButton 录入,查询,删除,修改,显示;JPanel p1,p2,p3,p4,p5,p6,pv,ph;Student 学生=null;Hashtable 学生散列表=null;File file=null;FileInputStream inOne=null;ObjectInputStream inTwo=null;FileOutputStream outOne=null;ObjectOutputStream outTwo=null;public StudentManager(){super("学生基本信息管理系统");学号=new JTextField(10);姓名=new JTextField(10);专业=new JTextField(10);年级=new JTextField(10);出生=new JTextField(10);group=new ButtonGroup();男=new JRadioButton("男",true);女=new JRadioButton("女",false);(男);(女);录入=new JButton("录入");查询=new JButton("查询");删除=new JButton("删除");修改=new JButton("修改");显示=new JButton("显示");录入.addActionListener(new InputAct());查询.addActionListener(new InquestAct());修改.addActionListener(new ModifyAct());删除.addActionListener(new DeleteAct());显示.addActionListener(new ShowAct());修改.setEnabled(false);p1=new JPanel();(new JLabel("学号:",));(学号);p2=new JPanel();(new JLabel("姓名:",));(姓名);p3=new JPanel();(new JLabel("性别:",));(男);(女);p4=new JPanel();(new JLabel("专业:",));(专业);p5=new JPanel();(new JLabel("年级:",));(年级);p6=new JPanel();(new JLabel("出生:",));(出生);pv=new JPanel();(new GridLayout(6,1));(p1);(p2);(p3);(p4);(p5);(p6);ph=new JPanel();(录入);(查询);(修改);(删除);(显示);file=new File("学生信息.txt");学生散列表=new Hashtable();if(!()){try{FileOutputStream out=new FileOutputStream(file);ObjectOutputStream objectOut=new ObjectOutputStream(out);(学生散列表);();();}catch(IOException e){}}Container con=getContentPane();(new BorderLayout());(lb, );(pv, );(ph, );setDefaultCloseOperation(EXIT_ON_CLOSE);setBounds(100,100,600,300);setVisible(true);}public static void main(String[] args) {new StudentManager();}class InputAct implements ActionListener{public void actionPerformed(ActionEvent e){修改.setEnabled(false);String number="";number=学号.getText();if(()>0){try{inOne=new FileInputStream(file);inTwo=new ObjectInputStream(inOne);学生散列表=(Hashtable)();();();}catch(Exception ee){("创建散列表出现问题！");}if(学生散列表.containsKey(number)){String warning="该生信息已存在，请到修改页面修改！";(null,warning,"警告",);}//end if1else{String m="该生信息将被录入！";int ok=(null,m,"确认",);if(ok==){String name=姓名.getText();String specialty=专业.getText();String grade=年级.getText();String borth=出生.getText();String sex=null;if(男.isSelected()){sex=男.getText();}else{sex=女.getText();}学生=new Student();学生.setNumber(number);学生.setName(name);学生.setSpecialty(specialty);学生.setGrade(grade);学生.setBorth(borth);学生.setSex(sex);try{outOne=new FileOutputStream(file);outTwo=new ObjectOutputStream(outOne);学生散列表.put(number,学生);(学生散列表);();();}catch(Exception ee){("输出散列表出现问题！");}学号.setText(null);姓名.setText(null);专业.setText(null);年级.setText(null);出生.setText(null);}}//end else1}//end if0else{String warning="必须输入学号！";(null,warning,"警告",);}//end else0}//end actionPerformed}//end classclass InquestAct implements ActionListener{public void actionPerformed(ActionEvent e){String number="";number=学号.getText();if(()>0){try{inOne=new FileInputStream(file);inTwo=new ObjectInputStream(inOne);学生散列表=(Hashtable)();();();}catch(Exception ee){("散列表有问题！");}if(学生散列表.containsKey(number)){修改.setEnabled(true);Student stu=(Student)学生散列表.get(number);姓名.setText(());专业.setText(());年级.setText(());出生.setText(());if(().equals("男")){男.setSelected(true);}else{女.setSelected(true);}}else{修改.setEnabled(false);String warning="该学号不存在！";(null,warning,"警告",);}}else{修改.setEnabled(false);String warning="必须输入学号！";(null,warning,"警告",);}}}class ModifyAct implements ActionListener{public void actionPerformed(ActionEvent e){String number=学号.getText();String name=姓名.getText();String specialty=专业.getText();String grade=年级.getText();String borth=出生.getText();String sex=null;if(男.isSelected()){sex=男.getText();}else{sex=女.getText();}Student 学生=new Student();学生.setNumber(number);学生.setName(name);学生.setSpecialty(specialty);学生.setGrade(grade);学生.setBorth(borth);学生.setSex(sex);try{outOne=new FileOutputStream(file);outTwo=new ObjectOutputStream(outOne);学生散列表.put(number, 学生);(学生散列表);();();学号.setText(null);姓名.setText(null);专业.setText(null);年级.setText(null);出生.setText(null);}catch(Exception ee){("录入修改出现异常!");修改.setEnabled(false);}}}class DeleteAct implements ActionListener{public void actionPerformed(ActionEvent e){修改.setEnabled(false);String number=学号.getText();if(()>0){try{inOne=new FileInputStream(file);inTwo=new ObjectInputStream(inOne);学生散列表=(Hashtable)();();();}catch(Exception ee){}if(学生散列表.containsKey(number)){Student stu=(Student)学生散列表.get(number);姓名.setText(());专业.setText(());年级.setText(());出生.setText(());if(().equals("男")){男.setSelected(true);}else{女.setSelected(true);}}String m="确定要删除该学生的记录吗？";int ok=(null,m,"确认",);if(ok==){学生散列表.remove(number);try{outOne=new FileOutputStream(file);outTwo=new ObjectOutputStream(outOne);(学生散列表);();();学号.setText(null);姓名.setText(null);专业.setText(null);年级.setText(null);出生.setText(null);}catch(Exception ee){(ee);}}else if(ok==){学号.setText(null);姓名.setText(null);专业.setText(null);年级.setText(null);出生.setText(null);}else{String warning="该学号不存在！";(null,warning,"警告",);}}else{String warning="必须输入学号！";(null,warning,"警告",);}}}class ShowAct implements ActionListener{public void actionPerformed(ActionEvent e){new StudentShow(file);}}class StudentShow extends JDialog{Hashtable 学生散列表= null;JTextArea 显示=null;FileInputStream inOne=null;ObjectInputStream inTwo=null;File file=null;public StudentShow(File file){super(new JFrame(),"显示对话框");;显示=new JTextArea(16,30);try{inOne=new FileInputStream(file);inTwo=new ObjectInputStream(inOne);学生散列表=(Hashtable)();();();}catch(Exception ee){}if(学生散列表.isEmpty())显示.append("目前还没有学生的信息记录！\n");else{显示.setText("学号 姓名 性别 专业 年级 出生\n");for(Enumeration enm=学生散列表.elements();();){Student stu=(Student)();String sex="";if(().equals("男"))sex="男";else sex="女";String str=()+","+()+","+sex+","+()+","+()+","+()+"\n";显示.append(str);}}JScrollPane scroll=new JScrollPane(显示);Container con=getContentPane();("Center",scroll);();setVisible(true);setBounds(200,200,400,300);addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){setVisible(false);}});}}}