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| #include <stdio.h>
#include <conio.h>
#include <iostream.h>
#include <io.h>
class Obschaga
{
private:
char adress[100],fakultet[100],familia[100],pol[100],data_postuplenia[100];
Obschaga* plink;
public:
Obschaga()
{
plink=NULL;
}
void Poisk_po_adress(Obschaga*);
void Poisk_po_pol(Obschaga*);
Obschaga* Add(Obschaga*);
void Pokaz(Obschaga*);
Obschaga* OpenFile(char*,char*);
Obschaga* GetLastPerson(Obschaga*);
void SaveFile(char*,Obschaga*);
};
//************************************************************************
void Obschaga::SaveFile(char *input_file,Obschaga *input_head)
{
FILE* fb;
Obschaga *ptemp;
if (input_head!=0)
{
ptemp=input_head;
if ((fb=fopen(input_file,"wb"))!=0)
{
while (ptemp)
{
fwrite(ptemp->adress,sizeof(ptemp->adress),1,fb);
fwrite(ptemp->fakultet,sizeof(ptemp->fakultet),1,fb);
fwrite(ptemp->familia,sizeof(ptemp->familia),1,fb);
fwrite(ptemp->pol,sizeof(ptemp->pol),1,fb);
fwrite(ptemp->data_postuplenia,sizeof(ptemp->data_postuplenia),1,fb);
ptemp=ptemp->plink;
delete input_head;
input_head=ptemp;
}
fclose(fb);
}
}
}
//************************************************************************
void Obschaga::Poisk_po_pol(Obschaga* input_head)
{
Obschaga *ptemp;
char lpol[5];
bool lfind;
clrscr();
printf("Enter pol: ");
scanf("%19s",lpol);
lfind=false;
ptemp=input_head;
while (ptemp)
{
if (strcmp(ptemp->pol,lpol)==0)
{
printf("%-10s %-10s %-10s %-10s%-10s\n",ptemp->adress,ptemp->fakultet,ptemp->familia,ptemp->pol,ptemp->data_postuplenia);
if (lfind==false)
lfind=true;
}
ptemp=ptemp->plink;
}
// åñëè çàïèñü íå áûëà íàéäåíà
if (lfind==false)
printf("No found\n");
printf("Najmite ENTER\n");
getch();
}
//************************************************************************
void Obschaga::Poisk_po_adress(Obschaga* input_head)
{
Obschaga *ptemp;
char ladress[100];
bool lfind;
clrscr();
printf("Enter adress: ");
scanf("%20s",ladress);
lfind=false;
ptemp=input_head;
while (ptemp)
{
if (strcmp(ptemp->adress,ladress)==0)
{
printf("%-5s %-5s %-5s %-5s %-5s\n",ptemp->adress,ptemp->fakultet,ptemp->familia,ptemp->pol,ptemp->data_postuplenia);
if (lfind==false)
lfind=true;
}
ptemp=ptemp->plink;
}
// åñëè çàïèñü íå áûëà íàéäåíà
if (lfind==false)
printf("Ne naiden\n");
printf("Najmite ENTER\n");
getch();
}
//************************************************************************
Obschaga* Obschaga::Add(Obschaga *modify_notebook)
{
Obschaga *pnewrecord;
pnewrecord=new Obschaga;
clrscr();
printf("Enter adress: ");
scanf("%10s",pnewrecord->adress);
printf("Enter fakultet: ");
scanf("%10s",pnewrecord->fakultet);
printf("Enter familia: ");
scanf("%10s",pnewrecord->familia);
printf("Enter pol: ");
scanf("%10s",pnewrecord->pol);
printf("Enter data_postuplenia: ");
scanf("%10s",pnewrecord->data_postuplenia);
if (modify_notebook!=0)
modify_notebook->plink=pnewrecord;
return pnewrecord;
}
//************************************************************************
Obschaga* Obschaga::GetLastPerson(Obschaga *input_head)
{
Obschaga *ptemp;
ptemp=input_head;
while (ptemp->plink!=0)
ptemp=ptemp->plink;
return ptemp;
}
//************************************************************************
void Obschaga::Pokaz(Obschaga *input_head)
{
Obschaga *ptemp;
clrscr();
ptemp=input_head;
while (ptemp)
{
printf("%-5s %-5s %-5s %-5s %-5s\n",ptemp->adress,ptemp->fakultet,ptemp->familia,ptemp->pol,ptemp->data_postuplenia);
ptemp=ptemp->plink;
}
getch();
}
//************************************************************************
Obschaga* Obschaga::OpenFile(char* input_file,char* input_access)
{
FILE* fb;
bool firstread;
int handle,sizeoffile,cursize;
Obschaga *precord,*pnewrecord,*phead;
firstread=false;
precord=new Obschaga;
if ((fb=fopen(input_file,input_access))!=0)
{
handle=fileno(fb);
sizeoffile=filelength(handle);
cursize=0;
while (cursize<sizeoffile)
{
pnewrecord=new Obschaga;
fread(pnewrecord->adress,sizeof(pnewrecord->adress),1,fb);
fread(pnewrecord->fakultet,sizeof(pnewrecord->fakultet),1,fb);
fread(pnewrecord->familia,sizeof(pnewrecord->familia),1,fb);
fread(pnewrecord->pol,sizeof(pnewrecord->pol),1,fb);
fread(pnewrecord->data_postuplenia,sizeof(pnewrecord->data_postuplenia),1,fb);
if (firstread==false)
{
phead=pnewrecord;
plink=pnewrecord;
precord=pnewrecord;
firstread=true;
}
else
{
precord->plink=pnewrecord;
precord=pnewrecord;
}
cursize+=sizeof(pnewrecord->adress)
+sizeof(pnewrecord->fakultet)+sizeof(pnewrecord->familia)
+sizeof(pnewrecord->pol)+sizeof(pnewrecord->data_postuplenia);
}
fclose(fb);
}
else
return 0;
return phead;
}
//************************************************************************
void main()
{
Obschaga onotebook,*pnotebook,*phead;
int lvariant;
pnotebook=0;
phead=onotebook.OpenFile("Obschaga.dat","rb");
if (phead!=0)
pnotebook=onotebook.GetLastPerson(phead);
do
{
clrscr();
printf("1.VVedenie\n2.Poisk_po_adress\n3.Poisk_po_pol\n4.Pokazat\n5.Exit\n\n");
printf("Enter: ");
scanf("%d",&lvariant);
switch (lvariant)
{
case 1:
{
pnotebook=onotebook.Add(pnotebook);
if (phead==0)
phead=pnotebook;
break;
}
case 2:
{
onotebook.Poisk_po_adress(phead);
break;
}
case 3:
{
onotebook.Poisk_po_pol(phead);
break;
}
case 4:
{
onotebook.Pokaz(phead);
break;
}
}
} while (lvariant!=5);
onotebook.SaveFile("notebook.dat",phead);
} |
(
