درخواست برنامه

[k 810]

سلام
ساناز هستم
اگه كسي ميتونه منو كمك كنه
خيلي ممنونم
برنامه اي بنويسيد كه اطلاعات دانشجويان را در يك فايل ذخيره نموده و آنها را مديريت كند.برنامه بايد شامل بخشهاي اضافه كردن دانشجو حذف دانشجو جستجوي دانشجو بر اساس فيلدهاي مختلف ليست گيري از دانشجويان و ويرايش اطلاعات يك دانشجو باشد.

[ppp1486]

سلام
برنامه به صورت c باشه يا ++c ?

[k 810]

سلام
برنامه بايد به صورت++ c باشه

[ppp1486]

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<iostream.h>
#include<string.h>
typedef struct {
char na[10];
char fa[15];
long stno;
float ave;
}student;
void add()
{
char *s;
student stu;
FILE *fp;
fp=fopen("stu.dat","a");
if(!fp)
{
cout<<"\n can not open file ";
getch();
exit(0);
}
cout<<"\n enter a name ";
gets(stu.na);
cout<<"\n enter a famil ";
gets(stu.fa);
cout<<"\n enter a stno ";
gets(s);
stu.stno=atol(s);
cout<<"\n enter a ave ";
gets(s);
stu.ave=atof(s);
fwrite(&stu,sizeof(student),1,fp);
fclose(fp);
}
//*****************
void list()
{
student stu;
FILE *fp;
fp=fopen("stu.dat","r");
if(!fp)
{
cout<<"\n can not open file ";
getch();
exit(0);
}
fread(&stu,sizeof(student),1,fp);
while(!feof(fp))
{
cout<<"\n ";
cout<<stu.na<<" ";
cout<<stu.fa<<" ";
cout<<stu.stno<<" ";
cout<<stu.ave<<" ";
fread(&stu,sizeof(student),1,fp);
}
fclose(fp);
}
//*********************
void sort()
{
student stu[100],temp;
int i,j,k=0;
FILE *fp;
fp=fopen("stu.dat","r+");
if(!fp)
{
cout<<"\n can not open file ";
getch();
exit(0);
}
fread(stu+k,sizeof(student),1,fp);
while(!feof(fp))
{
k++;
fread(stu+k,sizeof(student),1,fp);
}
for(i=0;i<k;i++)
for(j=i+1;j<k;j++)
if(strcmpi(stu[i].fa,stu[j].fa)>0)
{
temp=stu[i];
stu[i]=stu[j];
stu[j]=temp;
}
rewind(fp);
fwrite(stu,sizeof(student),k,fp);
fclose(fp);
}
//**********************
void del()
{
char *s;
student stu[100],temp;
int flag=0,k=0;
long stno;
FILE *fp;
fp=fopen("stu.dat","r");
if(!fp)
{
cout<<"\n can not open file ";
getch();
exit(0);
}
cout<<"\n enter a stno for del ";
gets(s);
stno=atol(s);
fread(&temp,sizeof(student),1,fp);
while(!feof(fp))
{
if(temp.stno==stno)
flag=1;
else
stu[k++]=temp;
fread(&temp,sizeof(student),1,fp);
}
fclose(fp);
if(flag==0)
cout<<"\n not found ";
fp=fopen("stu.dat","w");
if(!fp)
{
cout<<"\n can not open file ";
getch();
exit(0);
}
fwrite(stu,sizeof(student),k,fp);
fclose(fp);
}
//*********************
void update()
{
char *s;
student stu[100],temp;
int flag=0,k=0;
long stno;
FILE *fp;
fp=fopen("stu.dat","r+");
if(!fp)
{
cout<<"\n can not open file ";
getch();
exit(0);
}
cout<<"\n enter a stno for update ";
gets(s);
stno=atol(s);
fread(&temp,sizeof(student),1,fp);
while(!feof(fp))
{
if(temp.stno==stno)
{
flag=1;
cout<<"\n enter a new stno ";
gets(s);
temp.stno=atol(s);
}
stu[k++]=temp;
fread(&temp,sizeof(student),1,fp);
}
rewind(fp);
if(flag==0)
cout<<"\n not found ";

fwrite(stu,sizeof(student),k,fp);
fclose(fp);
}
//********************
void main()
{
clrscr();
char ch;
while(1)
{
cout<<"\n enter a for add s for";
cout<<"\n sort l for list u for update d for del";
ch=getche();
switch(ch)
{
case 'a':
case'A':
add();
list();
break;
case 'l':
case'L':
list();
break;
case 'd':
case'D':
del();
list();
break;
case 's':
case'S':
sort();
list();
break;
case 'u':
case'U':
update();
list();
break;
}
cout<<" Do you continue? n for no ";
ch=getche();
cout<<"\n";
if(ch=='n' || ch=='N')
break;
}
getch();
}

[k 810]

سلام
با تشكر از شما دوست عزيز براي توجه تون
اين برنامه بايد با++c نوشته بشه
من اين برنامه رو نوشتم فقط تو قسمت ويرايشش مشكل دارم و نميتونم كاملش كنم
خيلي ممنونم

[k 810]

سلام دوستان
من اين برنامه رو نوشتم اكه ميشه يكي قسمت ويرايش دانشجو رو برام بنويسه
خيلي ممنونم
#include<iostream.h>
#include<fstream.h>
#include<conio.h>
#include<stdlib.h>
#include<stdio.h>
#include<string.h>
struct student{
char name[20],family[20];
int year,flag;
long int id;
float avg;}std;
void main()
{
int n,m,num,y=6;
char s[20];
clrscr();
ofstream fp("c:\student.dat",ios::out | ios::binary);
if(!fp){
cout<<"cannot open file";
exit(0);}
cout<<" .::Mohammady Roshan 87222165::. ";
cout<<"\n .::Student Information::. ";
cout<<"\n";
cout<<"\n id ";
cout<<"name ";
cout<<"family ";
cout<<"birthday ";
cout<<"averag ";
cout<<"flag ";
cout<<"\n---------------------------------------------------------------------------";
while(1){
gotoxy(1,y);
cin>>std.id;
gotoxy(15,y);
cin>>std.name;
if(!std.name[0]) break;
gotoxy(30,y);
cin>>std.family;
gotoxy(45,y);
cin>>std.year;
gotoxy(60,y);
cin>>std.avg;
gotoxy(75,y);
cin>>std.flag;
cin.get();
fp.write((char *) &std,sizeof(struct student));
y++;
if(getch()=='#')
break;
}
fp.close();
cout<<"\nenter any key to go to menu...";
getch();
label:clrscr();
cout<<"1.Insert Student";
cout<<"\n2.Display Students";
cout<<"\n3.Remove Student";
cout<<"\n4.Search Student";
cout<<"\n5.Edit Student";
cout<<"\n6.Exit";
cout<<"\n\nenter num:";
cin>>num;
switch(num){
case 1:{
clrscr();
y=4;
ofstream ins("c:\student.dat",ios::app | ios::binary);
if(!fp){
cout<<"cannot open file";
exit(0);}
cout<<"\n id ";
cout<<"name ";
cout<<"family ";
cout<<"birthday ";
cout<<"averag ";
cout<<"\n---------------------------------------------------------------------------";
while(1){
gotoxy(1,y);
cin>>std.id;
gotoxy(15,y);
cin.get(std.name,20);
if(!std.name[0]) break;
gotoxy(30,y);
cin.get(std.family,20);
gotoxy(45,y);
cin>>std.year;
gotoxy(60,y);
cin>>std.avg;
gotoxy(75,y);
cin>>std.flag;
ins.write((char *) &std,sizeof(struct student));
y++;
if(getch()=='#')
break;
}
fp.close();
goto label;
}break;
case 2:{
clrscr();
ifstream disp("c:\student.dat",ios::in | ios::binary);
if(!disp){
cout<<"cannot open file";
exit(0);}
cout<<"\n id ";
cout<<"name ";
cout<<"family ";
cout<<"birthday ";
cout<<"averag ";
cout<<"\n---------------------------------------------------------------------------";
y=4;
while(disp.read((char *) &std,sizeof(struct student)))
{
if(std.flag==0){
gotoxy(1,y);
cout<<std.id;
gotoxy(15,y);
cout<<std.name;
gotoxy(30,y);
cout<<std.family;
gotoxy(45,y);
cout<<std.year;
gotoxy(60,y);
cout<<std.avg;
getch();
y++;
}}
disp.close();
goto label;
}break;
case 3:{
clrscr();
y=4;
ifstream ins("c:\student.dat",ios::app | ios::binary);
if(!fp){
cout<<"cannot open file";
exit(0);}
cout<<"Remove student by id enter(1) ;by name enter(2) ;by family enter(3) ;& go to meno(#) :";
cin>>m;
while(ins.read((char *) &std,sizeof(struct student)))
{
if(m==1)
{
cout<<"enter id:";
cin>>n;
if(std.id==n&&std.flag==0)
std.flag=1;
}
if(m==2)
{
cout<<"enter name:";
cin>>s;
if(strcmp(std.name,s)==0&&std.flag==0)
std.flag=1;
}
if(m==3)
{
cout<<"enter family:";
cin>>s;
if(strcmp(std.family,s)==0&&std.flag==0)
std.flag=1;
}}
ins.close();
goto label;
}break;
case 4:{
ifstream search("c:\student.dat",ios::in | ios::binary);
if(!fp){
cout<<"cannot open file";
exit(0);}
cout<<"search id enter(1) ;name enter(2) ;family enter(3):";
cin>>m;
y=14;
while(search.read((char *) &std,sizeof(struct student)))
{
if(m==1)
{
cout<<"enter id:";
cin>>n;
if(std.id==n&&std.flag==0)
{
cout<<"\n id ";
cout<<"name ";
cout<<"family ";
cout<<"birthday ";
cout<<"averag ";
cout<<"\n---------------------------------------------------------------------------";
gotoxy(1,y);
cout<<std.id;
gotoxy(15,y);
cout<<std.name;
gotoxy(30,y);
cout<<std.family;
gotoxy(45,y);
cout<<std.year;
gotoxy(60,y);
cout<<std.avg;
getch();
y++;
}
}
else if(m==2)
{
cout<<"enter name:";
cin>>s;
if(strcmp(std.name,s)==0&&std.flag==0)
{
cout<<"\n id ";
cout<<"name ";
cout<<"family ";
cout<<"birthday ";
cout<<"averag ";
cout<<"\n---------------------------------------------------------------------------";
gotoxy(1,y);
cout<<std.id;
gotoxy(15,y);
cout<<std.name;
gotoxy(30,y);
cout<<std.family;
gotoxy(45,y);
cout<<std.year;
gotoxy(60,y);
cout<<std.avg;
getch();
y++;
}
}
else if(m==3)
{
cout<<"enter family:";
cin>>s;
if(strcmp(std.family,s)==0&&std.flag==0)
{
cout<<"\n id ";
cout<<"name ";
cout<<"family ";
cout<<"birthday ";
cout<<"averag ";
cout<<"\n---------------------------------------------------------------------------";
gotoxy(1,y);
cout<<std.id;
gotoxy(15,y);
cout<<std.name;
gotoxy(30,y);
cout<<std.family;
gotoxy(45,y);
cout<<std.year;
gotoxy(60,y);
cout<<std.avg;
getch();
y++;
}
}
}
cout<<"\nend search";
search.close();
goto label;
}break;
case 5:{
clrscr();
cout<<"good bay";
exit(0);
}break;
}


getch();
}