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  • 大小: 3.31MB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2023-11-10
  • 語言: C/C++
  • 標簽: C++計算器??MFC??

資源簡介

數據結構課程設計,實驗報告,C++計算器,MFC設計,內附程序,完全代碼,

資源截圖

代碼片段和文件信息

//?Calculate.cpp?:?implementation?file
//

#include?“stdafx.h“
#include?“Calculator.h“
#include?“Cal.h“
#include?
#ifdef?_DEBUG
#define?new?DEBUG_NEW
#undef?THIS_FILE
static?char?THIS_FILE[]?=?__FILE__;
#endif

#include
using?namespace??std;
//堆棧類
template
class?AStack
{
public:
AStack(int?size){top=-1;SIZE=size;Buffer=new?T[size];}
~AStack(){delete[]Buffer;};
int?GetSize(){return?(top+1);?}
bool?Pop(T?&element);
bool?Push(const?T&element);
private:
int?top;
int?SIZE;
T?*Buffer;
};
template
bool?AStack::Pop(T?&element)
{
if?(-1==top)
{
return?false;
}
else
{
???????element=Buffer[top--];
???????return?true;
}
}
template
bool?AStack::Push(const?T&element)
{
if?(top>=SIZE-1)
{
return?false;
}
else
{
Buffer[++top]=element;
return?true;
}
}
/////////////////////////////////////////////////////////////////////////////
//?Cal

Cal::Cal()
{
m_nNumOfPoint=2;

}
Cal::Cal(int?nNum)
{
if?(nNum>=0)
{
m_nNumOfPoint=nNum;
}
else
m_nNumOfPoint=0;
??
}

Cal::~Cal()
{
}




/////////////////////////////////////////////////////////////////////////////
//?Cal?message?handlers

bool?Cal::CheckBehindParse(string?&strD)
{
???char?cTemp=0;
???const?char?*pc=strD.c_str();
???double?v1=0;
???double?v2=0;
???double?r=0;
???string?strTemp=““;
???const??char?*beforePoint=pc;
???AStack*stk=new?AStack(256);

??
???while?(*pc!=0)
???{
???cTemp=*pc;
???
???if?((cTemp>=‘0‘&&cTemp<=‘9‘)||cTemp==‘.‘)
???{???
???if?(cTemp==‘.‘)
???{
??????????????if?(pc-beforePoint>0)
??????????????{
??if?(*(pc-1)<‘0‘||*(pc-1)>‘9‘)
???return?false;
??????????????}
??else?if?(pc==beforePoint)
??{
??return?false;
??}
??
???}
???strTemp+=cTemp;
???}
??else?if?(cTemp==‘#‘)
???{?
?if?(!strTemp.empty())
?{
?stk->Push(atof(strTemp.c_str()));
?strTemp=““;

?}
??pc++;continue;
???}
???else?if(cTemp==‘-‘||cTemp==‘+‘||cTemp==‘*‘||cTemp==‘/‘)
???{???
???if(!stk->Pop(v2))return?false;
???if(!stk->Pop(v1))return?false;
???????????stk->Push(0);
???}
???pc++;
???}
???if(!strTemp.empty())stk->Push(atof(strTemp.c_str()));
???if(stk->GetSize()!=1)return?false;
???return?true;
}
//由中綴表達式轉換為后綴表達式
int?Cal::GetBehindFromMid(string?&?strS?string?&?strD)
{
?string?strTemp=““;
?string?strSrc=strS;
?AStack?*stk=new?AStack(256);
?char?ctemp;
?char?cctemp;
?char?buf[256];
?
?int?i;
?int?len=strSrc.length();
?for?(i=0;i?{
?ctemp=strSrc[i];
?if?(ctemp>‘9‘||ctemp<‘(‘||ctemp==‘‘)return?1;//含有非法字符
?if(ctemp==‘?‘||ctemp==‘\t‘||(ctemp==0x0d)||(ctemp==0x0a))continue;
?if((ctemp==‘-‘||ctemp==‘+‘))
?{??
?if?(i==0||strSrc[i-1]==‘(‘)
?strTemp+=‘0‘;
?}
?strTemp+=ctemp; ?
?}
?len=strTemp.length();
if(len?>?255)?return?2;//表達式的字符串太長
strTemp.copy(bufstrTemp.length());
bu

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????5427??2011-05-17?10:02??蘇海計算器\Cal.cpp

?????文件???????1067??2010-03-05?13:33??蘇海計算器\Cal.h

?????文件???????5423??2010-02-25?14:59??蘇海計算器\Calculate.cpp

?????文件???????1337??2010-02-25?15:00??蘇海計算器\Calculate.h

?????文件??????22752??2011-05-19?23:36??蘇海計算器\Calculator.aps

?????文件???????2363??2011-05-18?21:31??蘇海計算器\Calculator.clw

?????文件???????2119??2010-02-23?20:07??蘇海計算器\Calculator.cpp

?????文件???????4346??2010-02-25?16:49??蘇海計算器\Calculator.dsp

?????文件????????545??2010-02-23?20:07??蘇海計算器\Calculator.dsw

?????文件???????1368??2010-02-23?20:07??蘇海計算器\Calculator.h

?????文件??????91136??2011-05-19?23:36??蘇海計算器\Calculator.ncb

?????文件?????106496??2011-05-18?21:31??蘇海計算器\Calculator.opt

?????文件???????1126??2011-05-17?10:14??蘇海計算器\Calculator.plg

?????文件???????6763??2011-05-17?00:15??蘇海計算器\Calculator.rc

?????文件??????13704??2011-05-17?10:14??蘇海計算器\CalculatorDlg.cpp

?????文件???????2278??2011-05-17?10:14??蘇海計算器\CalculatorDlg.h

?????文件??????30838??2011-05-17?10:02??蘇海計算器\Debug\Cal.obj

?????文件??????????0??2011-05-07?00:59??蘇海計算器\Debug\Cal.sbr

?????文件????3376128??2011-05-07?00:59??蘇海計算器\Debug\Calculator.bsc

?????文件?????122948??2011-05-17?10:14??蘇海計算器\Debug\Calculator.exe

?????文件?????475876??2011-05-17?10:14??蘇海計算器\Debug\Calculator.ilk

?????文件??????14173??2011-05-17?10:14??蘇海計算器\Debug\Calculator.obj

?????文件????5500532??2011-05-07?16:05??蘇海計算器\Debug\Calculator.pch

?????文件?????435200??2011-05-17?10:14??蘇海計算器\Debug\Calculator.pdb

?????文件???????3480??2011-05-17?00:17??蘇海計算器\Debug\Calculator.res

?????文件??????????0??2011-05-07?00:59??蘇海計算器\Debug\Calculator.sbr

?????文件??????64178??2011-05-17?10:14??蘇海計算器\Debug\CalculatorDlg.obj

?????文件??????????0??2011-05-07?00:59??蘇海計算器\Debug\CalculatorDlg.sbr

?????文件?????105566??2011-05-07?16:05??蘇海計算器\Debug\StdAfx.obj

?????文件????1374962??2011-05-07?00:59??蘇海計算器\Debug\StdAfx.sbr

............此處省略14個文件信息

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