#include
#include
#include
struct praktek
{
char nama[30];
char id[15];
char kelas[50];
double modul;
double jadwal;
};
praktek datakwn[10];
//=================================================
//fungsi untuk menambah data baru
//=================================================
void tambah(int &n)
{
FILE *pf;
pf=fopen("modul8.txt","a");
int a=0;
char kode_cari[15];
fflush(stdin);
printf("=======================================\n");
printf(" PENGISIAN DATA PRAKTIKUM \n");
printf("=======================================\n");
printf("Masukkan Nomor ID = ");gets(kode_cari);
for(int i=0;i
{
if(strcmp(datakwn[i].id,kode_cari)==0)
{
a=1;
}
}
strcpy(datakwn[n].id,kode_cari);
if(a==0)
{
printf("Masukkan Nama Siswa = ");gets(datakwn[n].nama);
printf("Masukkan Kelas = ");gets(datakwn[n].kelas);
printf("Masukkan Modul dikerjakan = ");scanf("%ld",&datakwn[n].modul);
printf("Masukkan Jadwal (27042009)= ");scanf("%ld",&datakwn[n].jadwal);
printf("\ndata ke-%d sudah tersimpan \n",n+1);
fprintf(pf,"\nMasukkan Nama Siswa = %s",datakwn[n].nama);
fprintf(pf,"\nMasukkan Kelas = %s",datakwn[n].kelas);
fprintf(pf,"\nMasukkan Modul dikerjakan = %ld",&datakwn[n].modul);
fprintf(pf,"\nMasukkan Jadwal(27042009) = %ld",&datakwn[n].jadwal);
fprintf(pf,"\ndata ke-%d sudah tersimpan \n",n+1);
}
else
{
puts("data tidak valid[kembar]");
datakwn[n].id[0]=NULL;
n--;
}
n++;
puts("ENTER");
getch();
fclose(pf);
}
//=================================================
//fungsi untuk menampilkan data
//=================================================
void display(int &n)
{
FILE *pf;
pf=fopen("modul8.txt","a");
if(n==0)
{
puts("ERROR : percetakan data gagal");
fprintf(pf,"\nERROR : pencetakan data gagal");
}
else
{
printf("=================================\n");
printf(" PENCETAKAN SEMUA DATA \n");
printf("=================================\n");
fprintf(pf,"\n=================================\n");
fprintf(pf,"\n PENCETAKAN SEMUA DATA \n");
fprintf(pf,"\n=================================\n");
for(int i=0;i
{
printf("\tdata ke %d\n",i+1);
printf("Nomor ID = %s\n",datakwn[i].id);
printf("Nama Siswa = %s\n",datakwn[i].nama);
printf("Kelas = %s\n",datakwn[i].kelas);
printf("Modul = %ld\n",datakwn[i].modul);
printf("Jadwal = %ld\n",datakwn[i].jadwal);
fprintf(pf,"\n\tdata ke %d\n",i+1);
fprintf(pf,"\nNomor ID = %s\n",datakwn[i].id);
fprintf(pf,"\nNama Siswa = %s\n",datakwn[i].nama);
fprintf(pf,"\nKelas = %s\n",datakwn[i].kelas);
fprintf(pf,"\nModul = %ld\n",datakwn[i].modul);
fprintf(pf,"\nJadwal = %ld\n",datakwn[i].jadwal);
}
}
puts("ENTER");
getch();
fclose(pf);
}
//=================================================
//fungsi untuk menghapus data baru
//=================================================
void hapus(int &n)
{
FILE *pf;
pf=fopen("modul8.txt","a");
char kode_cari[15];
if(n==0)
{
puts("ERROR : penghapusan gagal");
fprintf(pf,"\nERROR : pencetakan data gagal");
}
else
{
{
printf("=================================\n");
printf(" PENGHAPUSAN DATA \n");
printf("=================================\n");
fprintf(pf,"\n=================================\n");
fprintf(pf,"\n PENGHAPUSAN DATA \n");
fprintf(pf,"\n=================================\n");
for(int i=0;i
printf("Nomor ID : %s |",datakwn[i].id);
}
fflush(stdin);
puts(" ");
printf("Masukkan ID yang akan dihapus :");
gets(kode_cari);
fprintf(pf,"\nMasukkan ID yang akan dihapus :%s",kode_cari);
for(int i=0;i
{
if(strcmp(datakwn[i].id,kode_cari)==0)
{
printf("\n");
printf(">>>data ditemukan<<<");
printf("\n\n");
printf("data ke-%d terhapus \n",i+1);
datakwn[i].id[i]=NULL;
datakwn[i].nama[i]=NULL;
datakwn[i].kelas[i]=NULL;
datakwn[i].modul=NULL;
datakwn[i].jadwal=NULL;
for(int k=i;k
{
strcpy(datakwn[k].id,datakwn[k+1].id);
strcpy(datakwn[k].nama,datakwn[k+1].nama);
strcpy(datakwn[k].kelas,datakwn[k+1].kelas);
datakwn[k].modul=datakwn[k+1].modul;
datakwn[k].jadwal=datakwn[k+1].jadwal;
}
n--;
}
}
}
puts(" ");
puts("ENTER");
getch();
fclose(pf);
}
//=================================================
//fungsi untuk mengubah data
//=================================================
void update (int &n)
{
FILE *pf;
pf=fopen("modul8.txt","a");
int b=0;
char kode_cari[15],uid[15],unama[30],ukelas[50],cari[15];
double umodul,ujadwal;
if(n==0)
{
puts("ERROR : pengubahan gagal");
fprintf(pf,"\nERROR : pencetakan data gagal");
}
else
{
{
printf("=====================================\n");
printf(" PENGUBAHAN DATA \n");
printf("=====================================\n");
fprintf(pf,"\n=================================\n");
fprintf(pf,"\n PENGUBAHAN DATA \n");
fprintf(pf,"\n=================================\n");
for(int i=0;i
printf("Nomor ID = %s |",datakwn[i].id);
}
fflush(stdin);
puts(" ");
printf("Masukkan ID yang akan diubah :");
gets(cari);
fprintf(pf,"\nMasukkan ID yang akan diubah :%s",cari);
for(int i=0;i
{
if(strcmp(datakwn[i].id,cari)==0)
{
printf("\n");
printf(">>>data ditemukan<<<");
printf("\n\n");
datakwn[i].id[i]=NULL;
datakwn[i].nama[i]=NULL;
datakwn[i].kelas[i]=NULL;
fflush(stdin);
printf("Masukkan Nomor ID =");gets(kode_cari);
fprintf(pf,"\nMasukkan Nomor ID =%s",&kode_cari);
for(int j=0;j
{
if(strcmp(datakwn[j].id,kode_cari)==0)
{
b=0;
}
}
strcpy(uid,kode_cari);
if(b==0)
{
printf("Masukkan Nama Siswa =");gets(unama);
printf("Masukkan Kelas =");gets(ukelas);
printf("Masukkan Modul dikerjakan =");scanf("%ld",&umodul);
printf("Masukkan Jadwal (27042009) =");scanf("%ld",&ujadwal);
printf("data ke %d terubah \n",i+1);
fprintf(pf,"\nMasukkan Nama Siswa =%s",&unama);
fprintf(pf,"\nMasukkan Kelas =%s",&ukelas);
fprintf(pf,"\nMasukkan Modul dikerjakan =%ld",&umodul);
fprintf(pf,"\nMasukkan Jadwal (27042009) =%ld",&ujadwal);
fprintf(pf,"\ndata ke %d terubah \n",i+1);
strcpy(datakwn[i].id,uid);
strcpy(datakwn[i].nama,unama);
strcpy(datakwn[i].kelas,ukelas);
datakwn[i].modul=umodul;
datakwn[i].jadwal=ujadwal;
}
else
{
puts("data tidak valid [kembar]");
datakwn[n].id[0]=NULL;
}
}
}
}
puts(" ");
puts("ENTER");
getch();
fclose(pf);
}
//=================================================
//fungsi utama
//=================================================
void main(void)
{
FILE *pf;
pf=fopen("modul8.txt","a");
int pilihan,n=0;
do
{
printf("=============================================\n");
printf("\tData Praktikum\n");
printf("=============================================\n");
printf("1. input data\n");
printf("2. output data\n");
printf("3. hapus data\n");
printf("4. ubah data\n");
printf("5. exit\n");
printf("\nmasukkan pilihan anda [1-5] : ");scanf("%d",&pilihan);
fprintf(pf,"\nMasukkan pilihan anda [1-5] : %d",&pilihan);
switch(pilihan)
{
case 1:
system("cls");
tambah(n);
break;
case 2:
system("cls");
display(n);
break;
case 3:
system("cls");
hapus(n);
break;
case 4:
system("cls");
update(n);
break;
case 5:
system("cls");
printf("program selesai\n");
printf("seluruh data akan dihapus dari layar monitor\n");
fprintf(pf,"\nprogram selesai\n");
fprintf(pf,"\nseluruh data akan dihapus dari layar monitor\n");
break;
default:
system("cls");
printf("nomor pilihan tersebut tidak tersedia !!!\n");
fprintf(pf,"\nnomor pilihan tersebut tidak tersedia !!!\n");
puts("ENTER");
getch();
}
printf("\n");
}
while(pilihan !=5);
fclose(pf);
}
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