java毕业设计源码

A. 求毕业设计及论文“基于java的学生信息管理系统的设计与实现”

仅仅给你个参考

//Java Group Project_StudentManagement源码
//NetBeans IDE 6.5 环境

package studentmanager;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
import java.util.*;

class Student implements java.io.Serializable{
String number,name,specialty,grade,borth,sex;
public Student(){};
public void setNumber(String number){ this.number=number;}
public String getNumber(){ return number;}
public void setName(String name){ this.name=name;}
public String getName(){ return name;}
public void setSex(String sex){ this.sex=sex;}
public String getSex(){ return sex;}
public void setSpecialty(String specialty){ this.specialty=specialty;}
public String getSpecialty(){ return specialty;}
public void setGrade(String grade){ this.grade=grade;}
public String getGrade(){ return grade;}
public void setBorth(String borth){ this.borth=borth;}
public String getBorth(){ return borth;}
}
public class StudentManager extends JFrame{
JLabel lb=new JLabel("录清袜入请先输入记录，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;
肆正此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);
group.add(男);
group.add(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");
录裂迅入.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();
p1.add(new JLabel("学号:",JLabel.CENTER));
p1.add(学号);
p2=new JPanel();
p2.add(new JLabel("姓名:",JLabel.CENTER));
p2.add(姓名);
p3=new JPanel();
p3.add(new JLabel("性别:",JLabel.CENTER));
p3.add(男);
p3.add(女);
p4=new JPanel();
p4.add(new JLabel("专业:",JLabel.CENTER));
p4.add(专业);
p5=new JPanel();
p5.add(new JLabel("年级:",JLabel.CENTER));
p5.add(年级);
p6=new JPanel();
p6.add(new JLabel("出生:",JLabel.CENTER));
p6.add(出生);
pv=new JPanel();
pv.setLayout(new GridLayout(6,1));
pv.add(p1);
pv.add(p2);
pv.add(p3);
pv.add(p4);
pv.add(p5);
pv.add(p6);
ph=new JPanel();
ph.add(录入);
ph.add(查询);
ph.add(修改);
ph.add(删除);
ph.add(显示);
file=new File("学生信息.txt");
学生散列表=new Hashtable();
if(!file.exists()){
try{
FileOutputStream out=new FileOutputStream(file);
ObjectOutputStream objectOut=new ObjectOutputStream(out);
objectOut.writeObject(学生散列表);
objectOut.close();
out.close();
}
catch(IOException e){}
}
Container con=getContentPane();
con.setLayout(new BorderLayout());
con.add(lb, BorderLayout.NORTH);
con.add(pv, BorderLayout.CENTER);
con.add(ph, BorderLayout.SOUTH);
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(number.length()>0){
try{
inOne=new FileInputStream(file);
inTwo=new ObjectInputStream(inOne);
学生散列表=(Hashtable)inTwo.readObject();
inOne.close();
inTwo.close();
}
catch(Exception ee){System.out.println("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！";
JOptionPane.showMessageDialog(null,warning,"警告",
JOptionPane.WARNING_MESSAGE);
}//end if1
else{
String m="该生信息将被录入！";
int ok=JOptionPane.showConfirmDialog(null,m,"确认",
JOptionPane.YES_NO_OPTION,JOptionPane.INFORMATION_MESSAGE);
if(ok==JOptionPane.YES_OPTION){
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);
outTwo.writeObject(学生散列表);
outTwo.close();
outOne.close();
}
catch(Exception ee){System.out.println("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 if0
else{
String warning="必须输入学号！";
JOptionPane.showMessageDialog(null,warning,
"警告",JOptionPane.WARNING_MESSAGE);
}//end else0
}//end actionPerformed
}//end class
class InquestAct implements ActionListener{
public void actionPerformed(ActionEvent e){
String number="";
number=学号.getText();
if(number.length()>0){
try{
inOne=new FileInputStream(file);
inTwo=new ObjectInputStream(inOne);
学生散列表=(Hashtable)inTwo.readObject();
inOne.close();
inTwo.close();
}
catch(Exception ee){System.out.println("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(stu.getName());
专业.setText(stu.getSpecialty());
年级.setText(stu.getGrade());
出生.setText(stu.getBorth());
if(stu.getSex().equals("男")){男.setSelected(true);}
else{女.setSelected(true);}
}
else{
修改.setEnabled(false);
String warning="该学号不存在！";
JOptionPane.showMessageDialog(null,warning,
"警告",JOptionPane.WARNING_MESSAGE);
}
}
else{
修改.setEnabled(false);
String warning="必须输入学号！";
JOptionPane.showMessageDialog(null,warning,
"警告",JOptionPane.WARNING_MESSAGE);
}
}
}
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);
outTwo.writeObject(学生散列表);
outTwo.close();
outOne.close();
学号.setText(null);
姓名.setText(null);
专业.setText(null);
年级.setText(null);
出生.setText(null);
}
catch(Exception ee){
System.out.println("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(number.length()>0){
try{
inOne=new FileInputStream(file);
inTwo=new ObjectInputStream(inOne);
学生散列表=(Hashtable)inTwo.readObject();
inOne.close();
inTwo.close();
}
catch(Exception ee){}
if(学生散列表.containsKey(number)){
Student stu=(Student)学生散列表.get(number);
姓名.setText(stu.getName());
专业.setText(stu.getSpecialty());
年级.setText(stu.getGrade());
出生.setText(stu.getBorth());
if(stu.getSex().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=JOptionPane.showConfirmDialog(null,m,"确认",
JOptionPane.YES_NO_OPTION,JOptionPane.QUESTION_MESSAGE);
if(ok==JOptionPane.YES_OPTION){
学生散列表.remove(number);
try{
outOne=new FileOutputStream(file);
outTwo=new ObjectOutputStream(outOne);
outTwo.writeObject(学生散列表);
outTwo.close();
outOne.close();
学号.setText(null);
姓名.setText(null);
专业.setText(null);
年级.setText(null);
出生.setText(null);
}
catch(Exception ee){System.out.println(ee);}

}
else if(ok==JOptionPane.NO_OPTION){
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！";
JOptionPane.showMessageDialog(null,warning,
"警告",JOptionPane.WARNING_MESSAGE);
}
}
else{
String warning="必须输入学号！";
JOptionPane.showMessageDialog(null,warning,
"警告",JOptionPane.WARNING_MESSAGE);
}
}
}
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");
this.file=file;
显示=new JTextArea(16,30);
try{
inOne=new FileInputStream(file);
inTwo=new ObjectInputStream(inOne);
学生散列表=(Hashtable)inTwo.readObject();
inOne.close();
inTwo.close();
}
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();enm.hasMoreElements();){
Student stu=(Student)enm.nextElement();
String sex="";
if(stu.getSex().equals("男"))sex="男";
else sex="女";
String str=stu.getNumber()+","+stu.getName()+","+sex+","
+stu.getSpecialty()+","+stu.getGrade()+","+stu.getBorth()+"\n";
显示.append(str);
}
}
JScrollPane scroll=new JScrollPane(显示);
Container con=getContentPane();
con.add("Center",scroll);
con.validate();
setVisible(true);
setBounds(200,200,400,300);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){setVisible(false);}
}
);
}
}
}

B. 高分求两个简单的JAVA设计源代码

上面 wukun12同学写的不错，但我想还不能运行，并且还不太完善。我给个能运行的：（注意：文件名为：Test.java)

//要实现对象间的比较，就必须实现Comparable接口，它里面有个compareTo方法
//Comparable最好使用泛型，这样，无论是速度还是代码量都会减少
@SuppressWarnings("unchecked")
class Student implements Comparable<Student>{

private String studentNo; //学号
private String studentName; //姓名
private double englishScore; //英语成绩
private double computerScore; //计算机成绩
private double mathScore; //数学成绩
private double totalScore; //总成绩

//空构造函数
public Student() {}

//构造函数
public Student(String studentNo,String studentName,double englishSocre,double computerScore,double mathScore) {
this.studentNo = studentNo;
this.studentName = studentName;
this.englishScore = englishSocre;
this.computerScore = computerScore;
this.mathScore = mathScore;
}

//计算总成绩
public double sum() {

this.totalScore = englishScore+computerScore+mathScore;
return totalScore;
}

//计算评测成绩
public double testScore() {

return sum()/3;
}

//实现compareTO方法
@Override
public int compareTo(Student student) {
double studentTotal = student.getTotalScore();
return totalScore==studentTotal?0:(totalScore>studentTotal?1:-1);
}

//重写toString方法
public String toString(){
return "学号："+this.getStudentNo()+" 姓名："+this.getStudentName()+" 英语成绩："+this.getEnglishScore()+" 数学成绩："+this.getMathScore()+" 计算机成绩："+this.getComputerScore()+" 总成绩："+this.getTotalScore();
}

//重写equals方法
public boolean equals(Object obj) {
if(obj == null){
return false;
}
if(!(obj instanceof Student)){
return false;
}
Student student = (Student)obj;
if(this.studentNo.equals(student.getStudentName())) { //照现实来说，比较是不是同一个学生，应该只是看他的学号是不是相同
return true;
} else {
return false;
}

}

/*以下为get和set方法，我个人认为，totalScore的set的方法没必要要，因为它是由其它成绩计算出来的
在set方法中，没设置一次值，调用一次sum方法，即重新计算总成绩
*/
public String getStudentNo() {
return studentNo;
}
public void setStudentNo(String studentNo) {
this.studentNo = studentNo;
sum();
}
public String getStudentName() {
return studentName;
}
public void setStudentName(String studentName) {
this.studentName = studentName;
sum();
}
public double getEnglishScore() {
return englishScore;
}
public void setEnglishScore(double englishScore) {
this.englishScore = englishScore;
sum();
}
public double getComputerScore() {
return computerScore;
}
public void setComputerScore(double computerScore) {
this.computerScore = computerScore;
sum();
}
public double getMathScore() {
return mathScore;
}
public void setMathScore(double mathScore) {
this.mathScore = mathScore;
sum();
}
public double getTotalScore() {
return totalScore;
}

}

//Student子类学习委员类的实现
class StudentXW extends Student {

//重写父类Student的testScore()方法
@Override
public double testScore() {
return sum()/3+3;
}

public StudentXW() {}

//StudentXW的构造函数
public StudentXW(String studentNo,String studentName,double englishSocre,double computerScore,double mathScore) {
super(studentNo,studentName,englishSocre,computerScore,mathScore);
}
}

//Student子类班长类的实现
class StudentBZ extends Student {

//重写父类Student的testScore()方法
@Override
public double testScore() {
return sum()/3+5;
}

public StudentBZ() {}

//StudentXW的构造函数
public StudentBZ(String studentNo,String studentName,double englishSocre,double computerScore,double mathScore) {
super(studentNo,studentName,englishSocre,computerScore,mathScore);
}
}

//测试类
public class Test {

public static void main(String[] args) {

//生成若干个student类、StudentXW类、StudentBZ类
Student student1 = new Student("s001","张三",70.5,50,88.5);
Student student2 = new Student("s002","李四",88,65,88.5);
Student student3 = new Student("s003","王五",67,77,90);
StudentXW student4 = new StudentXW("s004","李六",99,88,99.5);
StudentBZ student5 = new StudentBZ("s005","朱漆",56,65.6,43.5);

Student[] students = {student1,student2,student3,student4,student5};

for(int i = 0 ; i<students.length; i++){
double avgScore = students[i].testScore();
System.out.println(students[i].getStudentName()+"学生的评测成绩为："+ avgScore+"分");
}

}
}
运行结果为：
张三学生的评测成绩为：69.66666666666667分
李四学生的评测成绩为：80.5分
王五学生的评测成绩为：78.0分
李六学生的评测成绩为：98.5分
朱漆学生的评测成绩为：60.03333333333333分

C. 用java web小游戏源代码。期末结课老师让做，急用，谢了

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.Toolkit;

import javax.swing.JFrame;

@SuppressWarnings("serial")
public class MainClass extends JFrame {
ControlSnake control;

Toolkit kit;

Dimension dimen;

public static void main(String[] args) {
new MainClass("my snake");
}

public MainClass(String s) {
super(s);
control = new ControlSnake();
control.setFocusable(true);
kit = Toolkit.getDefaultToolkit();
dimen = kit.getScreenSize();

add(control);
setLayout(new BorderLayout());
setLocation(dimen.width / 3, dimen.height / 3);// dimen.width/3,dimen.height/3
setSize(FWIDTH, FHEIGHT);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setResizable(false);
setVisible(true);
}

public static final int FWIDTH = 315;

public static final int FHEIGHT = 380;
}

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.Random;

import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.Timer;

@SuppressWarnings("serial")
public class ControlSnake extends JPanel implements ActionListener {
Random rand;

ArrayList<Point> list, listBody;

String str, str1;

static boolean key;

int x, y, dx, dy, fx, fy, flag;

int snakeBody;

int speed;

public ControlSnake() {
snakeBody = 1;

str = "上下左右方向键控制 P键暂停...";
str1 = "现在的长度为:" + snakeBody;
key = true;
flag = 1;

speed = 700;
rand = new Random();
list = new ArrayList<Point>();
listBody = new ArrayList<Point>();

x = 5;
y = 5;
list.add(new Point(x, y));
listBody.add(list.get(0));

dx = 10;
dy = 0;

fx = rand.nextInt(30) * 10 + 5;// 2
fy = rand.nextInt(30) * 10 + 5;// 2

setBackground(Color.BLACK);
setSize(new Dimension(318, 380));

final Timer time = new Timer(speed, this);
time.start();

addKeyListener(new KeyAdapter(){
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == 37) {
dx = -10;
dy = 0;
} else if (e.getKeyCode() == 38) {
dx = 0;
dy = -10;
} else if (e.getKeyCode() == 39) {
dx = 10;
dy = 0;
} else if (e.getKeyCode() == 40) {
dx = 0;
dy = 10;
} else if (e.getKeyCode() == 80) {
if (flag % 2 == 1) {
time.stop();
}
if (flag % 2 == 0) {
time.start();
}
flag++;
}
}
});

}

public void paint(Graphics g) {
g.setColor(Color.WHITE);
g.fillRect(0, 0, 400, 400);
g.setColor(Color.DARK_GRAY);
g.drawLine(3, 3, 305, 3);
g.drawLine(3, 3, 3, 305);
g.drawLine(305, 3, 305, 305);
g.drawLine(3, 305, 305, 305);
g.setColor(Color.PINK);

for (int i = 0; i < listBody.size(); i++) {
g.fillRect(listBody.get(i).x, listBody.get(i).y, 9, 9);
}
g.fillRect(x, y, 9, 9);
g.setColor(Color.ORANGE);
g.fillRect(fx, fy, 9, 9);

g.setColor(Color.DARK_GRAY);
str1 = "现在的长度为:" + snakeBody;
g.drawString(str, 10, 320);
g.drawString(str1, 10, 335);
}

public void actionPerformed(ActionEvent e) {
x += dx;
y += dy;
if (makeOut() == false) {
JOptionPane.showMessageDialog(null, "重新开始......");

speed = 700;

snakeBody = 1;

x = 5;
y = 5;

list.clear();
list.add(new Point(x, y));
listBody.clear();
listBody.add(list.get(0));

dx = 10;
dy = 0;

}
addPoint(x, y);
if (x == fx && y == fy) {
speed = (int) (speed * 0.8);//速度增加参数
if (speed < 200) {
speed = 100;
}
fx = rand.nextInt(30) * 10 + 5;// 2
fy = rand.nextInt(30) * 10 + 5;// 2
snakeBody++;// 2
} // 2
repaint();
}

public void addPoint(int xx, int yy) {
// 动态的记录最新发生的50步以内的移动过的坐标
// 并画出最新的snakeBody
if (list.size() < 100) {//蛇身长度最长为100
list.add(new Point(xx, yy));
} else {
list.remove(0);
list.add(new Point(xx, yy));
}
if (snakeBody == 1) {
listBody.remove(0);
listBody.add(0, list.get(list.size() - 1));
} else {
listBody.clear();
if (list.size() < snakeBody) {
for (int i = list.size() - 1; i > 0; i--) {
listBody.add(list.get(i));
}
} else {
for (int i = list.size() - 1; listBody.size() < snakeBody; i--) {
listBody.add(list.get(i));
}
}
}
}

public boolean makeOut() {
if ((x < 3 || y < 3) || (x > 305 || y > 305)) {
return false;
}
for (int i = 0; i < listBody.size() - 1; i++) {
for (int j = i + 1; j < listBody.size(); j++) {
if (listBody.get(i).equals(listBody.get(j))) {
return false;
}
}
}
return true;
}
}

/*贪吃蛇代码*/