求用Java编写的学生成绩管理系统的完整代码，要能运行的

以下方法实现了用户界面登陆

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import java.awt.*;

import java.awt.event.*;

public class DengLuJieMian extends Frame implements ActionListener

{

Label username=new Label("用户名：");//使用文本创建一个用户名标签

TextField t1=new TextField();//创建一个文本框对象

Label password=new Label("密码：");//创建一个密码标签

TextField t2=new TextField();

Button b1=new Button("登陆");//创建登陆按钮

Button b2=new Button("取消");//创建取消按钮

public DengLuJieMian()

{

this.setTitle("学生信息管理系统");//设置窗口标题

this.setLayout(null);//设置窗口布局管理器

username.setBounds(50,40,60,20);//设置姓名标签的初始位置

this.add(username);// 将姓名标签组件添加到容器

t1.setBounds(120,40,80,20);// 设置文本框的初始位置

this.add(t1);// 将文本框组件添加到容器

password.setBounds(50,100,60,20);//密码标签的初始位置

this.add(password);//将密码标签组件添加到容器

t2.setBounds(120,100,80,20);//设置密码标签的初始位置

this.add(t2);//将密码标签组件添加到容器

b1.setBounds(50,150,60,20);//设置登陆按钮的初始位置

this.add(b1);//将登陆按钮组件添加到容器

b2.setBounds(120,150,60,20);//设置取消按钮的初始位置

this.add(b2);// 将取消按钮组件添加到容器

b1.addActionListener(this);//给登陆按钮添加监听器

b2.addActionListener(this);// 给取消按钮添加监听器

this.setVisible(true);//设置窗口的可见性

this.setSize(300,200);//设置窗口的大小

addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

});//通过内部类重写关闭窗体的方法

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==b1)//处理登陆事件

{

String name=t1.getText();

String pass=t2.getText();

if(name!=nullpass.equals("000123"))//判断语句

{

new StudentJieMian();

}

}

}

public static void main(String args[])//主函数

{

new DengLuJieMian();

}

}

以下方法实现了学生界面设计

import java.awt.*;

import java.awt.event.*;

class StudentJieMian extends Frame implements ActionListener

{

MenuBar m=new MenuBar();//创建菜单栏

Menu m1=new Menu("信息");//创建菜单“信息”

MenuItem m11=new MenuItem("插入");//创建“插入”的菜单项

MenuItem m12=new MenuItem("查询");

Menu m2=new Menu("成绩");//创建菜单“成绩”

MenuItem m21=new MenuItem("查询");

public StudentJieMian()

{

this.setTitle("学生界面");//设置窗口标题

this.setLayout(new CardLayout());//设置窗口布局管理器

this.setMenuBar(m);//将菜单栏组件添加到容器

m.add(m1);//将信息菜单放入菜单栏

m.add(m2);

m1.add(m11);//将“插入”菜单项添加到“信息”菜单

m1.add(m12); //将“查询”菜单项添加到“信息”菜单

m2.add(m21); //将“查询”菜单项添加到“成绩”菜单

m11.addActionListener(this); //给“插入”菜单项添加监听器

m12.addActionListener(this); //给“查询”菜单项添加监听器

m21.addActionListener(this); //给“查询”菜单项添加监听器

this.setVisible(true); //设置窗口的可见性

this.setSize(300,200); //设置窗口的大小

addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

System.exit(0);//关闭窗口

}

});

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==m11) //处理“添加信息”事件

{

new AddStudent();

}

if(e.getSource()==m12) //处理“查询信息”事件

{

new SelectStudent();

}

if(e.getSource()==m21) //处理“查询成绩”事件

{

new ChengJiStudent();

}

}

public static void main(String args[])

{ new StudentJieMian(); //创建一个对象 }

学生考试管理系统，JAva源代码

//主类EnglishTest——

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class EnglishTest extends JFrame

{

TestArea testPanel=null;

Container con=null;

public EnglishTest()

{

super("模拟考试");

testPanel=new TestArea();

con=getContentPane();

con.add(testPanel,BorderLayout.CENTER);

addWindowListener(new WindowAdapter()

{ public void windowClosing(WindowEvent e)

{ System.exit(0);

}

});

setVisible(true);

setBounds(60,40,660,460);

con.validate();

validate();

}

public static void main(String args[])

{

new EnglishTest();

}

}

//读取试题 ReadTestquestion

import java.io.*;

import java.util.*;

public class ReadTestquestion

{ String filename="",

correctAnswer="",

testContent="" ,

selection="" ;

int score=0;

long time=0;

boolean 完成考试=false;

File f=null;

FileReader in=null;

BufferedReader 读取=null;

public void setFilename(String name)

{ filename=name;

score=0;

selection="";

try {

if(in!=null读取!=null)

{

in.close();

读取.close();

}

f=new File(filename);

in=new FileReader(f);

读取=new BufferedReader(in);

correctAnswer=(读取.readLine()).trim();

String temp=(读取.readLine()).trim() ;

StringTokenizer token=new StringTokenizer(temp,":");

int hour=Integer.parseInt(token.nextToken()) ;

int minute=Integer.parseInt(token.nextToken());

int second=Integer.parseInt(token.nextToken());

time=1000*(second+minute*60+hour*60*60);

}

catch(Exception e)

{

testContent="没有选择试题";

}

}

public String getFilename()

{

return filename;

}

public long getTime()

{

return time;

}

public void set完成考试(boolean b)

{

完成考试=b;

}

public boolean get完成考试()

{

return 完成考试;

}

public String getTestContent()

{ try {

String s=null;

StringBuffer temp=new StringBuffer();

if(读取!=null)

{

while((s=读取.readLine())!=null)

{

if(s.startsWith("**"))

break;

temp.append("\n"+s);

if(s.startsWith("endend"))

{

in.close();

读取.close();

完成考试=true;

}

}

testContent=new String(temp);

}

else

{

testContent=new String("没有选择试题");

}

}

catch(Exception e)

{

testContent="试题内容为空,考试结束！！";

}

return testContent;

}

public void setSelection(String s)

{

selection=selection+s;

}

public int getScore()

{ score=0;

int length1=selection.length();

int length2=correctAnswer.length();

int min=Math.min(length1,length2);

for(int i=0;imin;i++)

{ try{

if(selection.charAt(i)==correctAnswer.charAt(i))

score++;

}

catch(StringIndexOutOfBoundsException e)

{

i=0;

}

}

return score;

}20:10 03-8-31

public String getMessages()

{

int length1=selection.length();

int length2=correctAnswer.length();

int length=Math.min(length1,length2);

String message="正确答案:"+correctAnswer.substring(0,length)+"\n"+

"你的回答:"+selection+"\n";

return message;

}

}

//考试区域TestArea

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.io.*;

class FileName implements FilenameFilter

{

String str=null;

FileName (String s)

{

str="."+s;

}

public boolean accept(File dir,String name)

{

return name.endsWith(str);

}

}

public class TestArea extends JPanel implements ActionListener,ItemListener,Runnable

{

Choice list=null;

JTextArea 试题显示区=null,消息区=null;

JCheckBox box[];

JButton 提交该题答案,读取下一题,查看分数;

ReadTestquestion 读取试题=null;

JLabel welcomeLabel=null;

Thread countTime=null;

long time=0;

JTextField timeShow=null;

boolean 是否关闭计时器=false,

是否暂停计时=false;

JButton 暂停或继续计时=null;

public TestArea()

{

list= new Choice();

String 当前目录=System.getProperty("user.dir");

File dir=new File(当前目录);

FileName fileTxt=new FileName("txt");

String fileName[]=dir.list(fileTxt);

for(int i=0;ifileName.length;i++)

{

list.add(fileName[i]);

}

试题显示区=new JTextArea(15,12);

试题显示区.setLineWrap(true);

试题显示区.setWrapStyleWord(true);

试题显示区.setFont(new Font("TimesRoman",Font.PLAIN,14));

试题显示区.setForeground(Color.blue);

消息区=new JTextArea(8,8);

消息区.setForeground(Color.blue);

消息区.setLineWrap(true);

消息区.setWrapStyleWord(true);

countTime=new Thread(this);

String s[]={"A","B","C","D"};

box=new JCheckBox[4];

for(int i=0;i4;i++)

{

box[i]=new JCheckBox(s[i]);

}

暂停或继续计时=new JButton("暂停计时");

暂停或继续计时.addActionListener(this);

提交该题答案=new JButton("提交该题答案");

读取下一题=new JButton("读取第一题");

读取下一题.setForeground(Color.blue);

提交该题答案.setForeground(Color.blue);

查看分数=new JButton("查看分数");

查看分数.setForeground(Color.blue);

提交该题答案.setEnabled(false);

提交该题答案.addActionListener(this);

读取下一题.addActionListener(this);

查看分数.addActionListener(this);

list.addItemListener(this);

读取试题=new ReadTestquestion();

JPanel pAddbox=new JPanel();

for(int i=0;i4;i++)

{

pAddbox.add(box[i]);

}

Box boxH1=Box.createVerticalBox(),

boxH2=Box.createVerticalBox(),

baseBox=Box.createHorizontalBox();

boxH1.add(new JLabel("选择试题文件"));

boxH1.add(list);

boxH1.add(new JScrollPane(消息区));

boxH1.add(查看分数);

timeShow=new JTextField(20);

timeShow.setHorizontalAlignment(SwingConstants.RIGHT);

timeShow.setEditable(false);

JPanel p1=new JPanel();

p1.add(new JLabel("剩余时间："));

p1.add(timeShow);

p1.add(暂停或继续计时);

boxH1.add(p1);

boxH2.add(new JLabel("试题内容:"));

boxH2.add(new JScrollPane(试题显示区));

JPanel p2=new JPanel();

p2.add(pAddbox);

p2.add(提交该题答案);

p2.add(读取下一题);

boxH2.add(p2);

baseBox.add(boxH1);

baseBox.add(boxH2);

setLayout(new BorderLayout());

add(baseBox,BorderLayout.CENTER);

welcomeLabel=new JLabel("欢迎考试,提高英语水平",JLabel.CENTER);

welcomeLabel.setFont(new Font("隶书",Font.PLAIN,24));

welcomeLabel.setForeground(Color.blue);

add(welcomeLabel,BorderLayout.NORTH);

}

public void itemStateChanged(ItemEvent e)

{

timeShow.setText(null);

是否关闭计时器=false;

是否暂停计时=false;

暂停或继续计时.setText("暂停计时");

String name=(String)list.getSelectedItem();

读取试题.setFilename(name);

读取试题.set完成考试(false);

time=读取试题.getTime();

if(countTime.isAlive())

{

是否关闭计时器=true;

countTime.interrupt();

}

countTime=new Thread(this);

消息区.setText(null);

试题显示区.setText(null);

读取下一题.setText("读取第一题");

提交该题答案.setEnabled(false);

读取下一题.setEnabled(true);

welcomeLabel.setText("欢迎考试,你选择的试题:"+读取试题.getFilename());

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==读取下一题)

{

读取下一题.setText("读取下一题");

提交该题答案.setEnabled(true);

String contentTest=读取试题.getTestContent();

试题显示区.setText(contentTest);

消息区.setText(null);

读取下一题.setEnabled(false);

try {

countTime.start();

}

catch(Exception event)

{

}

}

if(e.getSource()==提交该题答案)

{

读取下一题.setEnabled(true);

提交该题答案.setEnabled(false);

String answer="?";

for(int i=0;i4;i++)

{

if(box[i].isSelected())

{

answer=box[i].getText();

box[i].setSelected(false);

break;

}

}

读取试题.setSelection(answer);

}

if(e.getSource()==查看分数)

{

int score=读取试题.getScore();

String messages=读取试题.getMessages();

消息区.setText("分数:"+score+"\n"+messages);

}

if(e.getSource()==暂停或继续计时)

{

if(是否暂停计时==false)

{

暂停或继续计时.setText("继续计时");

是否暂停计时=true;

}

else if(是否暂停计时==true)

{

暂停或继续计时.setText("暂停计时");

是否暂停计时=false;

countTime.interrupt();

}

}

}

public synchronized void run()

{

while(true)

{

if(time=0)

{

是否关闭计时器=true;

countTime.interrupt();

提交该题答案.setEnabled(false);

读取下一题.setEnabled(false);

timeShow.setText("用时尽,考试结束");

}

else if(读取试题.get完成考试())

{

是否关闭计时器=true;

timeShow.setText("考试效果:分数*剩余时间(秒)="+1.0*读取试题.getScore()*(time/1000));

countTime.interrupt();

提交该题答案.setEnabled(false);

读取下一题.setEnabled(false);

}

else if(time=1)

{

time=time-1000;

long leftTime=time/1000;

long leftHour=leftTime/3600;

long leftMinute=(leftTime-leftHour*3600)/60;

long leftSecond=leftTime%60;

timeShow.setText(""+leftHour+"小时"+leftMinute+"分"+leftSecond+"秒");

}

try

{

Thread.sleep(1000);

}

catch(InterruptedException ee)

{

if(是否关闭计时器==true)

return ;

}

while(是否暂停计时==true)

{

try

{

wait();

}

catch(InterruptedException ee)

{

if(是否暂停计时==false)

{

notifyAll();

}

}

}

}

}

}

急求java学生信息管理系统源代码，带有连接数据库的，万分感谢

import java.awt.BorderLayout;

import java.awt.CardLayout;

import java.awt.Container;

import java.awt.Font;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.JPanel;

import javax.swing.JToolBar;

import javax.swing.SwingConstants;

public class MainFrame extends JFrame implements ActionListener{

InsertPanel ip = null;

SelectPanel sp = null;

JPanel pframe;

JButton jb1,jb2,jb3;

JMenuItem jm11,jm21,jm22,jm23,jm31,jm32,jm41,jm42;

CardLayout clayout;

public MainFrame(String s){

super(s);

JMenuBar mb = new JMenuBar();

this.setJMenuBar(mb);

JMenu m1 = new JMenu("系统");

JMenu m2 = new JMenu("基本信息");

JMenu m3 = new JMenu("成绩");

JMenu m4 = new JMenu("奖惩");

mb.add(m1);

mb.add(m2);

mb.add(m3);

mb.add(m4);

jm11 = new JMenuItem("退出系统");

jm21 = new JMenuItem("输入");

jm22 = new JMenuItem("查询");

jm23 = new JMenuItem("更改");

jm31 = new JMenuItem("输入成绩");

jm32 = new JMenuItem("查询成绩");

jm41 = new JMenuItem("奖励");

jm42 = new JMenuItem("处分");

m1.add(jm11);

m2.add(jm21);

m2.add(jm22);

m2.add(jm23);

m3.add(jm31);

m3.add(jm32);

m4.add(jm41);

m4.add(jm42);

Icon i1 = new ImageIcon();

Icon i2 = new ImageIcon();

Icon i3 = new ImageIcon();

jb1 = new JButton(i1);

jb1.setToolTipText("输入");

jb2 = new JButton(i2);

jb2.setToolTipText("查询");

jb3 = new JButton(i3);

jb3.setToolTipText("退出");

JToolBar tb = new JToolBar("系统工具");

tb.add(jb1);

tb.add(jb2);

tb.add(jb3);

add(tb,BorderLayout.NORTH);

jm11.addActionListener(this);

jm21.addActionListener(this);

jm22.addActionListener(this);

jb1.addActionListener(this);

jb2.addActionListener(this);

jb3.addActionListener(this);

clayout = new CardLayout();

pframe = new JPanel(clayout);

add(pframe);

JPanel mainp = new JPanel(new BorderLayout());

JLabel mainl = new JLabel("学生信息管理平台",SwingConstants.CENTER);

mainl.setFont(new Font("serif",Font.BOLD,30));

mainp.add(mainl);

pframe.add(mainp,"main");

clayout.show(pframe, "main");

}

public void actionPerformed(ActionEvent e){

if(e.getSource() == jm21 || e.getSource() == jb1){

if(ip == null){

ip= new InsertPanel();

pframe.add(ip,"insert");

}

clayout.show(pframe, "insert");

this.setTitle("输入学生信息");

}

else if(e.getSource() == jm22 || e.getSource() == jb2){

if(sp == null){

sp= new SelectPanel();

pframe.add(sp,"select");

}

clayout.show(pframe, "select");

this.setTitle("查询学生信息");

}

else if(e.getSource() == jm11 || e.getSource() == jb3){

System.exit(0);

}

}

}

第二个：

import javax.swing.JFrame;

public class MainTest {

public static void main(String [] args){

MainFrame f = new MainFrame("学生信息管理平台");

f.setSize(400,300);

f.setLocation(350,250);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.setVisible(true);

}

}

第二个：

import java.sql.Connection;

import java.sql.DriverManager;

public class MySQLConnection {

static Connection getCon(){

Connection con = null;

try{

Class.forName("com.mysql.jdbc.Driver");

con = DriverManager.getConnection("jdbc:mysql://localhost/test","root","123");

}

catch(Exception e){

System.out.println("建立数据库连接遇到异常！");

}

return con;

}

}

第四个：

import java.awt.BorderLayout;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.SwingConstants;

public class SelectPanel extends JPanel implements ActionListener{

JButton jb;

JTextField jt;

JTextField jt1,jt2,jt3,jt4;

public SelectPanel(){

JLabel jl = new JLabel("请输入学号:",SwingConstants.CENTER);

jt = new JTextField();

jb = new JButton("确定");

JPanel jp1 = new JPanel(new GridLayout(1,3));

jp1.add(jl);

jp1.add(jt);

jp1.add(jb);

JLabel j1,j2,j3,j4;

j1 = new JLabel("学号:",SwingConstants.CENTER);

j2 = new JLabel("姓名:",SwingConstants.CENTER);

j3 = new JLabel("性别:",SwingConstants.CENTER);

j4 = new JLabel("年龄:",SwingConstants.CENTER);

jt1 = new JTextField(6);

jt1.setEditable(false);

jt2 = new JTextField(6);

jt2.setEditable(false);

jt3 = new JTextField(6);

jt3.setEditable(false);

jt4 = new JTextField(6);

jt4.setEditable(false);

JPanel jp2 = new JPanel(new BorderLayout());

JPanel jp3 = new JPanel(new GridLayout(4,2));

jp2.add(new JLabel(""),BorderLayout.NORTH);

jp3.add(j1);

jp3.add(jt1);

jp3.add(j2);

jp3.add(jt2);

jp3.add(j3);

jp3.add(jt3);

jp3.add(j4);

jp3.add(jt4);

jp2.add(jp3);

this.setLayout(new BorderLayout());

add(jp1,BorderLayout.NORTH);

add(jp2);

jb.addActionListener(this);

}

public void actionPerformed(ActionEvent e){

if(e.getSource() == jb){

String stuNo = jt.getText().trim();

Student s = new Student();

boolean b = true;

try{

b = s.selectByStuNo(stuNo);

}

catch(Exception ex){

System.out.println("查询学生信息遇到异常!");

}

if(b){

jt1.setText(s.getStuNo());

jt2.setText(s.getName());

jt3.setText(s.getGender());

int a = s.getAge();

Integer i = new Integer(a);

jt4.setText(i.toString());

}

else{

JOptionPane.showMessageDialog(null, "无此学生!");

}

}

}

}

第五个：

import javax.swing.JFrame;

public class SelectTest {

public static void main(String [] args){

JFrame f = new JFrame("查询学生信息");

SelectPanel p = new SelectPanel();

f.add(p);

f.setSize(400,300);

f.setLocation(300,250);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.setVisible(true);

}

}

第六个：

import java.sql.Connection;

import java.sql.ResultSet;

import java.sql.Statement;

public class Student {

String stuNo;

String name;

String gender;

int age;

public Student(){}

public Student(String stuNo,String name,String gender, int age){

this.stuNo = stuNo;

this.name = name;

this.gender = gender;

this.age = age;

}

public String getStuNo(){

return stuNo;

}

public void setStuNo(String stuNo){

this.stuNo = stuNo;

}

public String getName(){

return name;

}

public void setName(String name){

this.name = name;

}

public String getGender(){

return gender;

}

public void setGender(String gender){

this.gender = gender;

}

public int getAge(){

return age;

}

public void setAge(int age){

this.age = age;

}

public boolean insertStudent(){

boolean b = true;

try{

Connection con = MySQLConnection.getCon();

Statement statement = con.createStatement();

String sql = "insert into student values('" + stuNo + "','" + name +"','" + gender + "'," + age + ")";

sql = new String(sql.getBytes("gb2312"),"ISO8859_1");

statement.executeUpdate(sql);

con.close();

}

catch(Exception e){

b = false;

System.out.println("插入数据库遇到异常！");

}

return b;

}

public boolean selectByStuNo(String stuNo)throws Exception{

boolean b = true;

Connection con = MySQLConnection.getCon();

Statement statement = con.createStatement();

String sql = "select * from student where stuNo =" + stuNo;

ResultSet rs = statement.executeQuery(sql);

if(rs != null rs.next()){

String no = rs.getString(1);

this.setStuNo(no);

String n = rs.getString(2);

n = new String(n.getBytes("ISO8859_1"),"gb2312");

this.setName(n);

String g = rs.getString(3);

g = new String (g.getBytes("ISO8859_1"),"gb2312");

this.setGender(g);

this.setAge(rs.getInt(4));

b = true;

}

rs.close();

statement.close();

con.close();

return b;

}

}

数据库你自己弄吧，我没时间弄了！初学得多动手哦

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