【绝地选股源码】【量能买入指标源码】【苏联离中国源码】初中学生管理系统源码

【绝地选股源码】【量能买入指标源码】【苏联离中国源码】初中学生管理系统源码_初中生管理平台

2024-11-29 22:20:32 来源：copy问道源码分类：休闲

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2.学生信息管理系统源代码

初中学生管理系统源码_初中生管理平台

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//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,初中初中BorderLayout.CENTER);

addWindowListener(new WindowAdapter()

{ public void windowClosing(WindowEvent e)

{ System.exit(0);

}

});

setVisible(true);

setBounds(,,,);

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=*(second+minute*+hour**);

}

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！！学生系统绝地选股源码";

}

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,管理量能买入指标源码length2);

for(int i=0;i<min;i++)

{ try{

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

score++;

}

catch(StringIndexOutOfBoundsException e)

{

i=0;

}

return score;

}: -8-

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;i<fileName.length;i++)

{

list.add(fileName[i]);

}

试题显示区=new JTextArea(,);

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,));

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;i<4;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;i<4;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();

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,));

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;i<4;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/));

countTime.interrupt();

提交该题答案.setEnabled(false);

读取下一题.setEnabled(false);

}

else if(time>=1)

{

time=time-;

long leftTime=time/;

long leftHour=leftTime/;

long leftMinute=(leftTime-leftHour*)/;

long leftSecond=leftTime%;

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

}

try

{

Thread.sleep();

}

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();

}

学生信息管理系统源代码

void Sort(student *&head, char type,char maxOrMin)

{

/*参数说明:

type=='1' 按语文排列

type=='2' 按数学排列

type=='3' 按英语排列

type=='4' 按总分排列

type=='5' 按平均分排列

type=='6' 按座号排列

student *pHead,*pH;

pHead=pH=head;

int len=GetLength(head);

float *array=new float[len];

int i;

int x=0;

float num=0;

while(head)

{

Count(head);

if(type=='1')

{

num=head->chinaNum;

}

else if(type=='2')

{

num=head->mathNum;

}

else if(type=='3')

{

num=head->englishNum;

}

else if(type=='4')

{

num=head->result;

}

else if(type=='5')

{

num=head->average;

}

else if(type=='6')

{

num=head->num;

}

array[x]=num;

x++;

head=head->next;

}

head=pHead;

if(maxOrMin=='1')

{

for( i=1; i<len; i++)

{

for(int j=0; j<len-i; j++)

{

if(array[j]<array[j+1])

{

float num;

num=array[j];

array[j]=array[j+1];

array[j+1]=num;

}

else

{

for( i=1; i<len; i++)

{

for(int j=0; j<len-i; j++)

{

if(array[j]>array[j+1])

{

float num;

num=array[j];

array[j]=array[j+1];

array[j+1]=num;

}

int pos=1;

for(i=0; i<len; i++)

{

head=pHead;

while(head)

{

if(type=='1')

{

num=head->chinaNum;

}

else if(type=='2')

{

num=head->mathNum;

}

else if(type=='3')

{

num=head->englishNum;

}

else if(type=='4')

{

num=int(head->result);

}

else if(type=='5')

{

num=int(head->average);

}

else if(type=='6')

{

num=int(head->num);

}

int n=0;

if(int(array[i])==int(num))

{

if(int(array[i])!=int(array[i+1]))

{

if(n==0)

{

n=pos;

}

head->pos=pos;

pos++;

}

else

{

head->pos=n;

}

head=head->next;

}

head=pH;

delete []array;

}

void Count(student *&head)

{

head->result=head->chinaNum+head->englishNum+head->mathNum;

head->average=head->result/3;

}

void DeleteAll(student* &head)

{

student *cp,*np;

cp=head;

while(cp)

{

np=cp->next;

delete cp;

cp=np;

}

head=NULL;

}

void ChaXun(string str,student *head)

{

Sort(head,'4','1');

cout<<"欢迎使用查询功能"<<endl<<endl;

cout<<"请输入你要按什么查询 1->一般查询 2->查找最多 3->查找最少"<<endl;

string s;

cin>>s;

while(s[0]!='1'&&s[0]!='2'&&s[0]!='3')

{

cout<<"你输入错误,请重新输入."<<endl;

cin>>s;

}

if(s[0]=='1')

{

cout<<"按什么查询?"<<endl;

cout<<"1->姓名 2->座号 3->语文成绩 4->数学成绩 "

<<"5->英语成绩 6->总分 7->平均分 8->排名"<<endl;

cin>>str;

while(str[0]!='1' && str[0]!='2' &&

str[0]!='3' && str[0]!='4' &&

str[0]!='5' && str[0]!='6' &&

str[0]!='7' && str[0]!='8' )

{

cout<<"你输入错误,请重新输入."<<endl;

cin>>str;

}

char findStr[];

cout<<"请输入要查找的关键字或关键数:"<<endl;

cin>>findStr;

switch(str[0])

{

case '1':

Find(head,findStr,'1');

break;

case '2':

Find(head,findStr,'2');

break;

case '3':

Find(head,findStr,'3');

break;

case '4':

Find(head,findStr,'4');

break;

case '5':

Find(head,findStr,'5');

break;

case '6':

Find(head,findStr,'6');

break;

case '7':

Find(head,findStr,'7');

break;

case '8':

Find(head,findStr,'8');

break;

}

else if(s[0]=='2')

{

cout<<"请输入要按什么查询?"<<endl;

cout<<"1->语文成绩 2->数学成绩 "

<<"3->英语成绩 4->总分 5->平均分 6->排名"<<endl;

string s;

cin>>s;

switch(s[0])

{

case '1':

FindMaxOrMin(head,'1','1');

break;

case '2':

FindMaxOrMin(head,'2','1');

break;

case '3':

FindMaxOrMin(head,'3','1');

break;

case '6':

FindMaxOrMin(head,'6','1');

break;

case '5':

FindMaxOrMin(head,'5','1');

break;

default:

FindMaxOrMin(head,'4','1');

break;

}

else if(s[0]=='3')

{

cout<<"请输入要按什么查询?"<<endl;

cout<<"1->语文成绩 2->数学成绩 "

<<"3->英语成绩 4->总分 5->平均分 6->排名"<<endl;

string s;

cin>>s;

switch(s[0])

{

case '1':

FindMaxOrMin(head,'1','2');

break;

case '2':

FindMaxOrMin(head,'2','2');

break;

case '3':

FindMaxOrMin(head,'3','2');

break;

case '6':

FindMaxOrMin(head,'6','2');

break;

case '5':

FindMaxOrMin(head,'5','2');

break;

default:

FindMaxOrMin(head,'4','2');

break;

}

void ZengJia(string str, student* &head)

{

student *pNew=new student;

cout<<"欢迎使用增加功能"<<endl<<endl;

cout<<"请输入新学生的名字 :"<<endl;

cin>>pNew->name;

cout<<"请输入新学生的座号 :"<<endl;

cin>>pNew->num;

cout<<"请输入他的语文分数 :"<<endl;

cin>>pNew->chinaNum;

cout<<"请输入他的数学分数"<<endl;

cin>>pNew->mathNum;

cout<<"请输入他的英语分数"<<endl;

cin>>pNew->englishNum;

cout<<"插入记录的 (1->最前面 2->最后面)"<<endl;

cin>>str;

while(str[0]!='1' && str[0]!='2')

{

cout<<"你输入错误,请重新输入."<<endl;

cout<<"插入记录的 (1->最前面 2->最后面)"<<endl;

cin>>str;

}

if(str[0]=='1')

{

InsertFront(head,pNew);

}

else if(str[0]=='2')

{

InsertRear(head,pNew);

}

cout<<"新学生增加成功."<<endl;

}

void ShanChu(string str, student *&head)

{

char delStr[];

cout<<"欢迎使用删除功能"<<endl<<endl;

cout<<"1->查询删除 2->全部删除"<<endl;

cin>>str;

while(str[0]!='1' && str[0]!='2')

{

cout<<"输入错误,请重新输入."<<endl;

cin>>str;

}

if(str[0]=='1')

{

cout<<"请输入要删除的关键字"<<endl;

cin>>delStr;

cout<<"1->删除第一条找到的记录 2->删除所有找到的记录"<<endl;

cin>>str;

while(str[0]!='1'&&str[0]!='2')

{

cout<<"你输入错误,请重新输入."<<endl;

cin>>str;

}

cout<<"你真的要删除吗? 1->删除 2->取消"<<endl;

string s;

cin>>s;

if(str[0]=='1')

{

if(str[0]=='1')

{

Delete(head,delStr,1);

}

else

{

Delete(head,delStr,2);

}

else

{

cout<<"你已经取消删除了."<<endl;

}

else

{

cout<<"你真的要删除全部数据吗?这样会使你的数据全部丢失哦."<<endl;

cout<<"1->全部删除 2->取消删除"<<endl;

cin>>str;

if(str[0]=='1')

{

DeleteAll(head);

}

else

{

cout<<"你已经取消删除了."<<endl;

}

void PaiMing(string str, student* head)

{

string s;

cout<<"欢迎使用排名功能"<<endl<<endl;

cout<<"排名选择: 1->升序 2->降序"<<endl;

cin>>s;

cout<<"请输入要按什么排名?"<<endl;

cout<<"1->语文成绩 2->数学成绩 3->英语成绩 "

<<"4->总分 5->平均分 6->座号"<<endl;

cin>>str;

while(str[0]!='1' && str[0]!='2' &&

str[0]!='3' && str[0]!='4' &&

str[0]!='5' && str[0]!='6' )

{

cout<<"你输入错误,请重新输入."<<endl;

cin>>str;

}

cout<<"姓名:"<<setw(8)<<"座号:"<<setw()

<<"语文分数:"<<setw() <<"数学分数:"

<<setw()<<"英语分数:"<<setw(8)<<"总分数:"

<<setw(8)<<"平均分:"<<setw(6)<<"名次:"<<endl<<endl;

if(s[0]=='2')

{

switch(str[0])

{

case '1':

Sort(head,'1','1');

break;

case '2':

Sort(head,'2','1');

break;

case '3':

Sort(head,'3','1');

break;

case '4':

Sort(head,'4','1');

break;

case '5':

Sort(head,'5','1');

break;

case '6':

Sort(head,'6','1');

break;

}

else

{

switch(str[0])

{

case '1':

Sort(head,'1','2');

break;

case '2':

Sort(head,'2','2');

break;

case '3':

Sort(head,'3','2');

break;

case '4':

Sort(head,'4','2');

break;

case '5':

Sort(head,'5','2');

break;

case '6':

Sort(head,'6','2');

break;

}

ShowList(head);

return ;

}

void XianShi(string str, student *head)

{

Sort(head,'4','1');

string s;

cout<<"欢迎使用显示功能"<<endl;

cout<<"1->显示全部记录 2->显示记录数目"<<endl;

cin>>s;

if(s[0]=='2')

{

cout<<"记录的数目是:"<<GetLength(head)<<endl;

}

else

{

ShowList(head);

}

void XuiGai(string str, student *&head)

{

string s;

student *std;

cout<<"欢迎使用修改功能"<<endl;

cout<<"请输入你要按什么查询"<<endl;

cout<<"1->姓名 2->座号 3->语文成绩 4->数学成绩 "

<<"5->英语成绩 "<<endl;

cin>>str;

while(str[0]!='1' && str[0]!='2' &&

str[0]!='3' && str[0]!='4' &&

str[0]!='5' )

{

cout<<"你输入错误,请重新输入."<<endl;

cin>>str;

}

char findStr[];

cout<<"请输入要查找的关键字或关键数:"<<endl;

cin>>findStr;

switch(str[0])

{

case '1':

std=Find(head,findStr,'1');

Reword(std);

break;

case '2':

std=Find(head,findStr,'2');

Reword(std);

break;

case '3':

std=Find(head,findStr,'3');

Reword(std);

break;

case '4':

std=Find(head,findStr,'4');

Reword(std);

break;

case '5':

std=Find(head,findStr,'5');

Reword(std);

break;

}

Write(head);

if(std!=NULL)

{

cout<<"修改成功."<<endl;

}

int Run()

{

bool isLoad=false;

student* head=NULL;

student *pNew=new student;

head=Read();

SetTitle(false);

if(head!=NULL)

{ Sort(head,'5','1');

Count(head);

}

string str;

SetTitle(false);

cout<<" 欢迎使用学生管理系统 "<<endl<<endl;

cout<<" 1->用户登陆 2->退出程序 "<<endl;

cin>>str;

if(str[0]=='2')

{

AboutMe();

return 0;

}

else

{

isLoad=Enter('1');

system("cls");

if(isLoad==true)

{

SetTitle(true);

cout<<" 恭喜,您输入的密码正确.可以对本系统的进行任何操作."<<endl;

}

else

{

cout<<" Sorry,您输入的密码错误.你不能修改本系统的任何内容."<<endl;

}

begin:

cout<<endl<<endl;

cout<<" 欢迎使用学生管理系统 "<<endl<<endl;

cout<<" 1->增加功能 2-查询功能"<<endl;

cout<<" 3->删除功能 4-排名功能"<<endl;

cout<<" 5->显示功能 6-修改功能"<<endl;

cout<<" 7->用户设置 8-退出程序"<<endl;

cout<<"请输入您的选择: "<<endl;

cin>>str;

while(str[0]!='8')

{

if(isLoad==true && head!=NULL)

{

cout<<endl<<endl;

if(str[0]=='1')

{

ZengJia(str, head);

Sort(head,'4','1');

Write(head);

}

else if(str[0]=='2')

{

ChaXun(str,head);

}

else if(str[0]=='3')

{

ShanChu(str,head);

Sort(head,'4','1');

Write(head);

}

else if(str[0]=='4')

{

PaiMing(str,head);

}

else if(str[0]=='5')

{

XianShi(str,head);

}

else if(str[0]=='6')

{

XuiGai(str,head);

Write(head);

}

else if(str[0]=='7')

{

cout<<"欢迎使用用户修改功能"<<endl;

isLoad=Enter('2');

}

else if(str[0]=='8')

{

AboutMe();

return 0;

}

else

{

cout<<"你输入错误,请重新输入."<<endl;

goto begin;

}

else if(isLoad==false && head!=NULL)

{

if(str[0]=='2')

{

ChaXun(str,head);

}

else if(str[0]=='4')

{

PaiMing(str,head);

}

else if(str[0]=='5')

{

XianShi(str,head);

}

else

{

cout<<"你不是管理员,不能进行此项功能."<<endl;

cout<<"你只能进行查询功能显示功能排名功能"<<endl;

}

else if( head==NULL && isLoad==true)

{

cout<<"系统检查到你没有任何记录,不能进行任何操作,只能增加记录."<<endl;

ZengJia(str, head);

Write(head);

head=Read();

}

else if( head==NULL && isLoad==false)

{

cout<<"因为你没有登陆,系统又检查到你没有任何记录,你不能进行任何操作."<<endl;

}

cout<<endl<<endl;

cout<<"按任何键继续进行操作."<<endl;

getchar();

system("cls");

goto begin;

}

AboutMe();

return 0;

}

void SetTitle(bool isLoad)

{

HWND hwnd=GetForegroundWindow();

if(isLoad==false)

{

SetWindowText(hwnd," 学生管理系统(没有登陆)");

}

else

{

SetWindowText(hwnd," 学生管理系统(已经登陆)");

}

system("color a");

}

void AboutMe()

{

char*pStr= " ┃ \n"

" ┃ \n"

" ┏━━━━┻━━━━┓ \n"

" ┃ 关于作者 ┃ \n"

" ┏━━━━┻━━━━━━━━━┻━━━━┓\n"

" ┃ ┃\n"

" ┃ Aauthor:

【绝地选股源码】【量能买入指标源码】【苏联离中国源码】初中学生管理系统源码_初中生管理平台

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