c.ui.h

QT编写的简单计算器

/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**
** If you wish to add, delete or rename functions or slots use
** Qt Designer which will update this file, preserving your code. Create an
** init() function in place of a constructor, and a destroy() function in
** place of a destructor.
*****************************************************************************/

QString s;
int n=0;
int tem[30];
void Form1::toHex()
{
count(16);
}

void Form1::toBinary()
{
count(2);
}

void Form1::toOctal()
{
count(8);
}
void Form1::count(int a)
{
    int b;
    int i=0;
    s=lENum->text();
    if(s!="")
    {
	n=atoi(s);
	s="";
	b=n;
	while(b>0)
	{
	  tem[i]=b%a;
	  b=b/a;
	  i++;
	  
	}
	if(i>0)
	{
	  i--;
	  for(;i>=0;i--)
    {
	switch( tem[i] )
	{
	    case 15 : 
	    s=s+"F";
	    break;
	    case 14 : 
	    s=s+"E"; 
	    break;
	    case 13 : 
	    s=s+"D";
	    break;
	    case 12 : 
	    s=s+"C";
	    break;
           case 11 : 
	    s=s+"B"; 
	    break;
	    case 10 : 
	    s=s+"A"; 
	    break;
	    case  9: 
	    s=s+"9"; 
	    break;
	     case  8: 
	    s=s+"8"; 
	    break;
	     case  7: 
	    s=s+"7"; 
	    break;
	     case  6: 
	    s=s+"6"; 
	    break; 
	case  5: 
	    s=s+"5"; 
	    break; 
	case  4: 
	    s=s+"4"; 
	    break; 
	case  3: 
	    s=s+"3"; 
	    break; 
	case  2: 
	    s=s+"2"; 
	    break; 
	case  1: 
	    s=s+"1"; 
	    break; 
	case  0: 
	    s=s+"0"; 
	    break;
          // default :
		  // s=s+gcvt(tem[i]);
       }
    }
	
      }
	else
	{
	  tem[i]=0;
	  s="0";
      }
	lEResult->setText(tr(s));
    }
}