Program Pengelolaan Data Mahasiswa dengan menggunakan C++

Diposting oleh Kampoeng Ilmu

#include

int i,n;

class mahasiswa

{

private:

char nim[20];

char nama[40];

char alamat[40];

char tanggal[20];

float ipk;

public:

void tambah();

void tampil();

void edit(mahasiswa y);

int banding_nama(mahasiswa y);

int banding_nim(mahasiswa y);

int banding_tanggal(mahasiswa y);

int banding_alamat(mahasiswa y);

int banding_ipk(mahasiswa y);

float banding_rata(mahasiswa y);

int banding_cari1(mahasiswa y);

int banding_cari2(mahasiswa y);

};

void mahasiswa::tambah()

{

cout<

cout<<"Nim :";

cin.getline(nim,sizeof(nim));

cout<<"Nama :";

cin.getline(nama,sizeof(nama));

cout<<"Alamat :";

cin.getline(alamat,sizeof(alamat));

cout<<"Tanggal Lahir:";

cin.getline(tanggal,sizeof(tanggal));

cout<<"IPK :";

cin>>ipk;

strupr(nama);

}

void mahasiswa:: tampil()

{

cout<<" Nim :"<<

cout<<" Nama :"<<

cout<<" Alamat :"<<

cout<<" Tanggal Lahir :"<<

cout<<" IPK :"<<

}

void simpan(mahasiswa x[])

{

ifstream file_mhs("mhs.txt");

i=0;

while(!file_mhs.eof())

{

file_mhs.read((char *)&x[i],sizeof(x[i]));

i++; n=i-1;

}

file_mhs.close();

}

int mahasiswa ::banding_nama(mahasiswa y)

{

int banding=strcmp(y.nama,nama);

if(banding<0) return(0);

else return(1);

}

int mahasiswa::banding_alamat(mahasiswa y)

{

int banding=strcmp(y.alamat,alamat);

if(banding<0) return(0);

else return(1);

}

int mahasiswa::banding_nim(mahasiswa y)

{

int banding=strcmp(y.nim,nim);

if(banding<0) return(0);

else return(1);

}

int mahasiswa::banding_tanggal(mahasiswa y)

{

int banding=strcmp(y.tanggal,tanggal);

if(banding<0) return(0);

else return(1);

}

int mahasiswa::banding_ipk(mahasiswa y)

{

if(ipk

else return(1);

}

float mahasiswa::banding_rata(mahasiswa y)

{return (y.ipk);}

void mahasiswa::edit(mahasiswa y)

{

strcpy(nim,y.nim);

strcpy(nama,y.nama);

ipk=y.ipk;

strcpy(alamat,y.alamat);

strcpy(tanggal,y.tanggal);

}

void main()

{

mahasiswa data[100],b;

int C,c;

int p=0;

while(p<10)

{ clrscr();

cout<<"1.Menambahkan data mahasiswa"<

cout<<"2.Menampilkan data mahasiswa"<

cout<<"3.Mengurutkan data berdasarkan nim (1-9)"<

cout<<"4.Mengurutkan data berdasarkan nama (a-z)"<

cout<<"5.Edit data mahasiswa"<

cout<<"6.Rata-rata ipk"<

cout<<"7.Mengurutkan data berdasarkan nim (9-1)"<

cout<<"8.Mengurutkan data berdasarkan nama (z-a)"<

cout<<"9.searching nama"<

cout<<"10.serching alamat"<

cout<<"11.exit"<

cout<<"Masukkan pilihan !";

cin>>p;

if(p==1)

{ clrscr();

cout<<"\n\nBanyak data mahasiswa : ";

cin>>c;

char key[5]; //tipuan(?)

cout<<"\n\n\tINPUT DATA\n";

for(i=0;i

{

cin.getline(key,sizeof(key));

data[i].tambah();

}

ofstream file_mhs("mhs.txt",ios::app);

for(i=0;i

{

file_mhs.write((char *)&data[i],sizeof(data[i]));

cout<

}

file_mhs.close();

getch();

}

if(p==2)

{ clrscr();

simpan(data);

for(i=0;i

data[i].tampil();

getch();

}

if(p==3)

{ clrscr();

simpan(data); //back to awal

cout<<"\n\n\t\t Data urut berdasarkan NIM (1-9)\n\n";

for(int j=n-1;j>1;j--)

{

for(i=0;i

{

C=data[i].banding_nim(data[i+1]);

if(C==0)

{

b=data[i];

data[i]=data[i+1];

data[i+1]=b;

}

for(i=0;i

data[i].tampil() ;

getch();

}

if(p==4)

{

clrscr();

simpan(data); //back to awal

cout<<"\n\n\t\t Data urut berdasarkan IPK\n\n";

for(int j=n;j>0;j--)

{

for(i=0;i

{

C=data[i].banding_ipk(data[i+1]);

if(C==0)

{

b=data[i];

data[i]=data[i+1];

data[i+1]=b;

}

for(i=0;i

data[i].tampil();

getch();

}

if(p==5)

{

mahasiswa d;

clrscr();

simpan(data);

for(i=0;i

data[i].tampil();

cout<<"\n\nNomor data yang diubah : "; cin>>C;

char key[5]; cin.getline(key,sizeof(key));

d.tambah();

data[C-1].edit(d);

ofstream file_mhs("mhs.txt");

for(i=0;i

file_mhs.write((char *)&data[i],sizeof(data[i]));

file_mhs.close();

clrscr();

for(i=0;i

data[i].tampil();

getch();

}

if(p==6)

{ simpan(data);

clrscr();

float sum=0;

float rata;

for(i=0;i

{sum=sum+data[i].banding_rata(data[i]);

}

rata=sum/n;

cout<<"Rata-rata IPK = "<

getch();

}

if(p==7)

{

clrscr();

simpan(data); //back to awal

cout<<"\n\n\t\t Data urut berdasarkan NIM (9-1)\n\n";

for(int j=n-1;j>1;j--)

{

for(i=0;i

{

C=data[i+1].banding_nim(data[i]);

if(C==0)

{

b=data[i];

data[i]=data[i+1];

data[i+1]=b;

}

for(i=0;i

data[i].tampil() ;

getch();

}

if(p==8)

{

clrscr();

simpan(data); //back to awal

cout<<"\n\n\t\t Data urut berdasarkan ipk (9-1)\n\n";

for(int j=n-1;j>0;j--)

{

for(i=0;i

{

C=data[i].banding_ipk(data[i+1]);

if(C==0)

{

b=data[i];

data[i]=data[i+1];

data[i+1]=b;

}

for(i=0;i

data[i].tampil() ;

getch();

}

if(p==9)

{ simpan(data);

clrscr();

int cari;

cout<<"Masukkan nama yang akan dicari ";

cin>>cari;

for(i=0;i

{if (cari=data[i].banding_rata(data[i]))

break;

data[i].tampil();

getch();

}

getch();

}

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