testdlg.cpp

用vc6.0实现计算机器功能,通过该例可以了解简单对话框程序的编写

/************************************************************
  Copyright (C), 1988-1999, Huawei Tech. Co., Ltd.
  FileName: test.cpp
  Author: 陈高维      Version :   1.0       Date:2007.811
  Description:     // 模块描述      
  Version:         // 版本信息
  Function List:   Onadd()...............加法
                   Onjian()..............减法                   
                   Onchen()..............乘法
                   Onchu().............. 除法
				   Onzhuanhuan().........翻译转换
                   OnOK()................清空
    1. -------
  History:         // 历史修改记录
      <author>  <time>   <version >   <desc>
      David    96/10/12     1.0     build this moudle  
***********************************************************/
// testdlg.cpp : implementation file
//

#include "stdafx.h"
#include "简单计算.h"
#include "ctestdlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// ctestdlg dialog


ctestdlg::ctestdlg(CWnd* pParent /*=NULL*/)
	: CDialog(ctestdlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(ctestdlg)
	m_num2 = 0.0;
	m_num1 = 0.0;
	m_num3 = 0.0;
	//}}AFX_DATA_INIT
}


void ctestdlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(ctestdlg)
	DDX_Text(pDX, IDC_EDIT2, m_num2);
	DDX_Text(pDX, IDC_EDIT1, m_num1);
	DDX_Text(pDX, IDC_EDIT3, m_num3);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(ctestdlg, CDialog)
	//{{AFX_MSG_MAP(ctestdlg)
	ON_BN_CLICKED(IDC_add, Onadd)
	ON_BN_CLICKED(IDC_jian, Onjian)
	ON_BN_CLICKED(IDC_chen, Onchen)
	ON_BN_CLICKED(IDC_chu, Onchu)
	ON_BN_CLICKED(IDC_zhuanhuan, Onzhuanhuan)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// ctestdlg message handlers




void ctestdlg::Onadd() 
{
	// TODO: Add your control notification handler code here
    /* double num1,num2,num3;
	char ch1[40],ch2[40],ch3[40];
	
	GetDlgItem(IDC_EDIT1)->GetWindowText(ch1,40);
	GetDlgItem(IDC_EDIT2)->GetWindowText(ch2,40);

	num1=atof(ch1);
	num2=atof(ch2);
	num3=num1+num2;

    // ftoa(num3,ch3,10);   //  10  表示10进制
    ch3=(char)num3;
	GetDlgItem(IDC_EDIT3)->SetWindowText(ch3);
    */  
  /*
    int num1,num2,num3;
	char ch1[40],ch2[40],ch3[40];
	
	GetDlgItem(IDC_EDIT1)->GetWindowText(ch1,40);
	GetDlgItem(IDC_EDIT2)->GetWindowText(ch2,40);

	num1=atoi(ch1);
	num2=atoi(ch2);
	num3=num1+num2;

    itoa(num3,ch3,10);   //  10  表示10进制
    
	GetDlgItem(IDC_EDIT3)->SetWindowText(ch3);
  */
    double num1,num2,num3;
    CString str; 
	char ch1[40],ch2[40],ch3[40];
	
	GetDlgItem(IDC_EDIT1)->GetWindowText(ch1,40);
	GetDlgItem(IDC_EDIT2)->GetWindowText(ch2,40);

	num1=atof(ch1);
	num2=atof(ch2);
	num3=num1+num2;
     
	  
    // ftoa(num3,ch3,10);   //  10  表示10进制
    // ch3=(char)num3;
  
    _gcvt( num3, 7, ch3 );       
	//把浮点型数据转化成字符串
	
	GetDlgItem(IDC_EDIT3)->SetWindowText(ch3);

	
}


void ctestdlg::Onjian() 
{
	// TODO: Add your control notification handler code here
	double num1,num2,num3;
    CString str; 
	char ch1[40],ch2[40],ch3[40];
	
	GetDlgItem(IDC_EDIT1)->GetWindowText(ch1,40);
	GetDlgItem(IDC_EDIT2)->GetWindowText(ch2,40);

	num1=atof(ch1);
	num2=atof(ch2);
	num3=num1-num2;
     
	  
   // ftoa(num3,ch3,10);   //  10  表示10进制
   // ch3=(char)num3;
  
   _gcvt( num3, 7, ch3 );      
   //把浮点型数据转化成字符串
	
   GetDlgItem(IDC_EDIT3)->SetWindowText(ch3);

}

void ctestdlg::Onchen() 
{
	// TODO: Add your control notification handler code here
	double num1,num2,num3;
    CString str; 
	char ch1[40],ch2[40],ch3[40];
	
	GetDlgItem(IDC_EDIT1)->GetWindowText(ch1,40);
	GetDlgItem(IDC_EDIT2)->GetWindowText(ch2,40);

	num1=atof(ch1);
	num2=atof(ch2);
	num3=num1*num2;
     
	  
     // ftoa(num3,ch3,10);   //  10  表示10进制
     // ch3=(char)num3;
  
    _gcvt( num3, 7, ch3 );       //把浮点型数据转化成字符串
 	
	GetDlgItem(IDC_EDIT3)->SetWindowText(ch3);
}

void ctestdlg::Onchu() 
{
	// TODO: Add your control notification handler code here
	double num1,num2,num3;
	char ch1[16],ch2[16],ch3[16];
	
	GetDlgItem(IDC_EDIT1)->GetWindowText(ch1,16);
	GetDlgItem(IDC_EDIT2)->GetWindowText(ch2,16);

	num1=atof(ch1);
	num2=atof(ch2);

	if (num2==0)
    {
       MessageBox("被除数不能为0！");
	   num3=0;
       //ch3="被除数不能为0！";
       //showmessage("cuowu");
	}
	else
	{
	   num3=num1/num2;
	}

    _gcvt( num3, 7, ch3 );    
    GetDlgItem(IDC_EDIT3)->SetWindowText(ch3);
	
}

void ctestdlg::Onzhuanhuan() 
{
    // TODO: Add your control notification handler code here
	CString str;
	if (GetDlgItem(IDC_STATIC1)->GetWindowText(str),str=="Number1 :")
	//判断现在是英文界面还是中文界面
	{
		GetDlgItem(IDC_STATIC1)->SetWindowText("数值一   ：");
		GetDlgItem(IDC_STATIC2)->SetWindowText("数值二   ：");
		GetDlgItem(IDC_STATIC3)->SetWindowText("结果值   ：");
		GetDlgItem(IDOK)->SetWindowText("清空");
		GetDlgItem(IDCANCEL)->SetWindowText("退出");
		GetDlgItem(IDC_add)->SetWindowText("加");
		GetDlgItem(IDC_jian)->SetWindowText("减");
		GetDlgItem(IDC_chen)->SetWindowText("乘");
		GetDlgItem(IDC_chu)->SetWindowText("除");
 

	}
	else
	{
        GetDlgItem(IDC_STATIC1)->SetWindowText("Number1 :");
        GetDlgItem(IDC_STATIC2)->SetWindowText("number2 :");
	    GetDlgItem(IDC_STATIC3)->SetWindowText("Result     :");
        GetDlgItem(IDOK)->SetWindowText("Clear");
	    GetDlgItem(IDCANCEL)->SetWindowText("Exit");
	    GetDlgItem(IDC_add)->SetWindowText("Add");
	    GetDlgItem(IDC_jian)->SetWindowText("Sub");
	    GetDlgItem(IDC_chen)->SetWindowText("Mul");
	    GetDlgItem(IDC_chu)->SetWindowText("Div");
	    // GetDlgItem(IDD_DIALOG1)->SetWindowCaption("Simple Calculator");
    }
}

void ctestdlg::OnOK() 
{   
	char ch1[2]=" ";    
    
	// TODO: Add extra validation here
	SetDlgItemText(IDC_EDIT1,ch1);
    SetDlgItemText(IDC_EDIT2,ch1);
	SetDlgItemText(IDC_EDIT3,ch1);
    //清空文本框

}