building.cpp

学生住宿管理系统 本程序用于交流方面,仅共学习交流,用于其他方面 功能欠缺

// building.cpp: implementation of the Cbuilding class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Dormitory.h"
#include "building.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////


Cbuilding::Cbuilding()
{}

IMPLEMENT_SERIAL(Cbuilding,CObject,1)

void Cbuilding::Serialize(CArchive &ar){
	
	CObject::Serialize( ar );
	if(ar.IsStoring())
		ar<<no<<floor<<room<<manager<<tel<<remain<<balcony<<toilet<<size;
	else
		ar>>no>>floor>>room>>manager>>tel>>remain>>balcony>>toilet>>size;
	
	
	if(ar.IsStoring())
		
	{
		elems.Serialize(ar);
	}
	
	else
		
	{
		elems.Serialize(ar);
	}

}//序列化的实

CString Cbuilding:: getField( CString Field )
{   int i;
	if(Field=="no") i=0; 
	if(Field=="floor")     i=1;
	if(Field=="room")      i=2;
	if(Field=="balcony")    i=3;
    if (Field=="remain") i=4;
	if(Field=="size")  i=5;
	if  (Field=="tel")    i=6;
   	if (Field=="toilet")  i=7;

    return getField(i);

 
}
CString Cbuilding:: getField( int i )
{ 
 switch(i){
  case 0: return no; break;
  case 1: return floor; break;
  case 2: return room; break;
  case 3: return  balcony; break;
  case 4: return  remain; break;
  case 5: return size; break;
  case 6: return tel; break;
  case 7: return toilet; break;
  default: return "NULL";
           
}
}

int Cbuilding::getSize() {//返回记录集中的记录个数
	return elems.GetSize();
}
Cbuilding * Cbuilding::SearchRecordByField(CString Field, CString Value )
{ //按一个关键字查询，结果为一条纪录
     Cbuilding *p=(Cbuilding*)getFirstRecord();
       while(p!=NULL&&p->getField( Field ) != Value )
	 {
	      p =(Cbuilding*)getNext();
	 }
	      if(!p)   return NULL;
		  else 
			  return p;
	
		
}


Cobjectset * Cbuilding::SearchByField( CString Field, CString Value )
{//按一个关键字查询，结果为一个记录集
	Cobjectset *q = NULL;
	Cbuilding *p = (Cbuilding*)getFirstRecord();
	while ( p != NULL ) {
		while ( p != NULL && p->getField( Field ) != Value ) {
			p = (Cbuilding*)getNext();
		}
		if ( !p&&!q ) {
			return NULL;
		}
		else {
			if ( !q ) {
				q = new Cobjectset();
			}
			if(p)
			{q->AddRecord( p );
			p =(Cbuilding*)getNext();}
		}
	}
	return q;
}