Employee Management in C++

#include<iostream>
#include<cstring>
#include<cstdlib>
#include<iomanip>
#include<windows.h>
#include<dos.h>
#include<conio.h>#include<cstdio>
#define max 20
using namespace std;
struct employee
{
char name[20];
long int code;
char designation[20];
int exp;
int age;
};
int num;
employee emp[max],tempemp[max],sortemp[max],sortemp1[max];
int main()
{
int x,y,z;
system("color 3f");
char ch ;
char t= '\xCD';
system("cls");
void build();
void list();
void insert();
void deletes();
void edit();void search();
void sort();
char option;
void menu();
menu();
while((option=cin.get())!='q')
{
switch(option)
{
case 'b':
build();
break;
case 'l':
list();
break;
case 'i':
insert();
break;
case 'd':
deletes();
break;
case 'e':
edit();
break;
case 's':
search();
break;
case 'n':
sort();
break;
}
menu();
}
return 0;
}
void menu()
{
system("cls");
cout<<" ";
printf("\n Employees Management System ");
cout<<endl;
cout<<" ";
cout<<"\n\t\t b:-Built The Employee Table ";
cout<<" ";
cout<<"\n\t\t l:-List The Employee Table ";
cout<<" ";
cout<<"\n\t\t i:-Insert New Entry ";
cout<<" ";
cout<<"\n\t\t d:-Delete An Entry ";cout<<" ";
cout<<"\n\t\t e:-Edit An Entry";
cout<<" ";
cout<<"\n\t\t s:-Search Arecord ";
cout<<" ";
cout<<"\n\t\t n:-Sort The Table ";
cout<<" ";
cout<<"\n\t\t q:-Quit Program ";
cout<<"\n\n \t\t Select Your Option Please ";
}void build()
{
system("cls");
printf("Build The Table");
cout<<endl;
cout<<"maximum number of entries 20"<<endl;
cout<<"how many do you want ";
cin>>num;
cout<<"Enter The Following Items"<<endl;
for(int i=0;i<=num-1;i++)
{cout<<" Name ";
cin>>emp[i].name;
cout<<"Code ";
cin>>emp[i].code;
cout<<"Designation ";
cin>>emp[i].designation;
cout<<"Years of Experience ";cin>>emp[i].exp;
cout<<"Age ";
cin>>emp[i].age;
}cout<<"going to main menu";
Sleep(500);
}
void list()
{
system("cls");
printf(" List The Table");
cout<<endl;
cout<<" Name Code Designation Years(EXP) Age "<<endl;
cout<<" "<<endl;
for(int i=0;i<=num-1;i++)
{
cout<<setw(13)<<emp[i].name;cout<<setw(6)<<emp[i].code;
cout<<setw(15)<<emp[i].designation;
cout<<setw(10)<<emp[i].exp;
cout<<setw(15)<<emp[i].age;
cout<<endl;
}
cout<<"going to main menu";
getch();
}void insert()
{
system("cls");
int i=num;
num+=1;printf("Insert New Record");
cout<<endl;
cout<<"Enter The Following Items"<<endl;cout<<"Name ";
cin>>emp[i].name;
cout<<"Code ";
cin>>emp[i].code;
cout<<"Designation ";
cin>>emp[i].designation;
cout<<"Years of Experience ";
cin>>emp[i].exp;
cout<<"Age ";
cin>>emp[i].age;
cout<<endl<<endl;
cout<<"going to main menu";
Sleep(500);
}
void deletes(){
system("cls");
int code;
int check;
printf("Delete An Entry");
cout<<endl;
cout<<"Enter An JobCode To Delete That Entry ";
cin>>code;
int i;
for(i=0;i<=num-1;i++)
{
if(emp[i].code==code)
{
check=i;
}}
for(i=0;i<=num-1;i++){
if(i==check)
{
continue;
}
else
{if(i>check)
{
tempemp[i-1]=emp[i];
}else
{
tempemp[i]=emp[i];
}}
}
num--;
for(i=0;i<=num-1;i++)
{
emp[i]=tempemp[i];
}
}void edit()
{
system("cls");
int jobcode;printf(" Edit An Entry ");
cout<<endl;
cout<<endl;
int i;
void editmenu();
void editname(int);
void editcode(int);
void editdes(int);
void editexp(int);
void editage(int);char option;
cout<<"Enter An jobcode To Edit An Entry ";cin>>jobcode;
editmenu();
for(i=0;i<=num-1;i++){
if(emp[i].code==jobcode){
while((option=cin.get())!='q')
{
switch(option)
{
case 'n':
editname(i);
break;
case 'c':
editcode(i);break;
case 'd':
editdes(i);
break;
case 'e':
editexp(i);
break;
case 'a':
editage(i);
break;
}
editmenu();
}
} }
}
void editmenu()
{
system("cls");
cout<<"What Do You Want To edit";cout<<" n->Name ";
cout<<"c->Code ";
cout<<" d->Designation";
cout<<" e->Experience ";cout<<"a->Age ";
cout<<"q->QUIT ";
cout<<" Options Please -->> ";
}
void editname(int i)
{cout<<"Enter New Name ";
cin>>emp[i].name;
}
void editcode(int i)
{cout<<"Enter New Job Code ";
cin>>emp[i].code;
}
void editdes(int i){
cout<<"enter new designation ";
cin>>emp[i].designation;
}
void editexp(int i)
{
cout<<"Enter new Years of Experience";
cin>>emp[i].exp;}
void editage(int i)
{
cout<<"Enter new Age ";
cin>>emp[i].age;
}
void search()
{
system("cls");
printf("Welcome To Search Of Employee Database ");
cout<<endl;
cout<<endl;
int jobcode;
cout<<"You Can Search Only By Jobcode Of An Employee";
cout<<"Enter Code Of An Employee ";
cin>>jobcode;
for(int i=0;i<=num-1;i++)
{
if(emp[i].code==jobcode)
{
cout<<" Name Code Designation Years(EXP) Age ";
cout<<" ";
cout<<setw(13)<<emp[i].name;
cout<<setw(6)<<emp[i].code;
cout<<setw(15)<<emp[i].designation;
cout<<setw(10)<<emp[i].exp;
cout<<setw(15)<<emp[i].age;
cout<<endl;
}
}
cout<<"going to main menu";
getch();
}
void sort()
{
system("cls");
printf("Sort The Databse By JobCode");
void sortmenu();
void sortname();
void sortcode();
void sortdes();
void sortexp();
char option;
void sortage();
cout<<endl;
cout<<endl;
sortmenu();
while((option=cin.get())!='q')
{
switch(option)
{
case 'n':
sortname();
break;
case 'c':
sortcode();
break;
case 'd':
sortdes();
break;
case 'e':
sortexp();
break;
case 'a':
sortage();
break;
}
sortmenu();
}
}
void sortmenu()
{
system("cls");
cout<<"What Do You Want To edit"<<endl;
cout<<"n.Name ";cout<<"c Code ";
cout<<"d.Designation";
cout<<"e.Experience ";
cout<<"a.Age ";
cout<<"q.QUIT ";
cout<<"choose the option"<<endl;
}
void sortname()
{
system("cls");
int i,j;
struct employee temp[max];
for(i=0;i<=num-1;i++)
{
sortemp1[i]=emp[i];
}
for(i=0;i<=num-1;i++)
{
for(j=0;j<=num-1;j++)
{
if(strcmp(sortemp1[i].name,sortemp1[j].name)<=0)
{
temp[i]=sortemp1[i];
sortemp1[i]=sortemp1[j];
sortemp1[j]=temp[i];
}
}
}
for( i=0;i<=num-1;i++){
cout<<"Name Code Designation Years(EXP) Age ";
cout<<" ";
for( i=0;i<=num-1;i++)
{
cout<<setw(13)<<sortemp1[i].name;
cout<<setw(6)<<sortemp1[i].code;
cout<<setw(15)<<sortemp1[i].designation;
cout<<setw(10)<<sortemp1[i].exp;
cout<<setw(15)<<sortemp1[i].age;
cout<<endl;
}
cout<<"Press Any Key To Go Back";
getch();
}
}void sortcode()
{
system("cls");
int i,j;
struct employee temp[max];
for(i=0;i<=num-1;i++)
{
sortemp1[i]=emp[i];
}
for(i=0;i<=num-1;i++)
{for(j=0;j<=num-1;j++)
{
if(sortemp1[i].code<sortemp1[j].code)
{
temp[i]=sortemp1[i];
sortemp1[i]=sortemp1[j];
sortemp1[j]=temp[i];
}
}
}
for( i=0;i<=num-1;i++)
{
cout<<" Name Code Designation Years(EXP) Age ";
cout<<" ";
for( i=0;i<=num-1;i++)
{
cout<<setw(13)<<sortemp1[i].name;
cout<<setw(6)<<sortemp1[i].code;
cout<<setw(15)<<sortemp1[i].designation;
cout<<setw(10)<<sortemp1[i].exp;
cout<<setw(15)<<sortemp1[i].age;
cout<<endl;
}cout<<"Press Any Key To Go Back";
getch();

} 
}
void sortdes()
{
system("cls");
int i,j;
struct employee temp[max];
for(i=0;i<=num-1;i++)
{
sortemp1[i]=emp[i];
}
for(i=0;i<=num-1;i++)
{
for(j=0;j<=num-1;j++)
{if(strcmp(sortemp1[i].designation,sortemp1[j].designation)<=0)
{
temp[i]=sortemp1[i];
sortemp1[i]=sortemp1[j];
sortemp1[j]=temp[i];
}
}}
for( i=0;i<=num-1;i++)
{cout<<"Name Code Designation Years(EXP) Age";
cout<<" ";
for( i=0;i<=num-1;i++)
{
cout<<setw(13)<<sortemp1[i].name;
cout<<setw(6)<<sortemp1[i].code;
cout<<setw(15)<<sortemp1[i].designation;cout<<setw(10)<<sortemp1[i].exp;
cout<<setw(15)<<sortemp1[i].age;
cout<<endl;
}
cout<<"Press Any Key To Go Back";
getch();
}
}
void sortage()
{
system("cls");
int i,j;struct employee temp[max];
for(i=0;i<=num-1;i++)
{
sortemp1[i]=emp[i];
}
for(i=0;i<=num-1;i++)
{for(j=0;j<=num-1;j++)
{
if(sortemp1[i].age<sortemp1[j].age){
temp[i]=sortemp1[i];
sortemp1[i]=sortemp1[j];
sortemp1[j]=temp[i];
}
}
}
for( i=0;i<=num-1;i++)
{
cout<<"Name Code Designation Years(EXP) Age";
cout<<" ";
for( i=0;i<=num-1;i++)
{
cout<<setw(13)<<sortemp1[i].name;
cout<<setw(6)<<sortemp1[i].code;
cout<<setw(15)<<sortemp1[i].designation;
cout<<setw(10)<<sortemp1[i].exp;
cout<<setw(15)<<sortemp1[i].age;
cout<<endl;
}
cout<<"Press Any Key To Go Back";
getch();
} 
}
void sortexp()
{
system("cls");
int i,j;
struct employee temp[max];
for(i=0;i<=num-1;i++)
{
sortemp1[i]=emp[i];
}
for(i=0;i<=num-1;i++)
{for(j=0;j<=num-1;j++)
{
if(sortemp1[i].exp<sortemp1[j].exp)
{
temp[i]=sortemp1[i];sortemp1[i]=sortemp1[j];
sortemp1[j]=temp[i];

}
}
}
for( i=0;i<=num-1;i++)
{
cout<<"Name Code Designation Years(EXP) Age ";
cout<<" ";
for( i=0;i<=num-1;i++)
{
cout<<setw(13)<<sortemp1[i].name;
cout<<setw(6)<<sortemp1[i].code;
cout<<setw(15)<<sortemp1[i].designation;
cout<<setw(10)<<sortemp1[i].exp;
cout<<setw(15)<<sortemp1[i].age;
cout<<endl;
}
cout<<"Press Any Key To Go Back";
getch
}
 }