boxleng.cpp

数据结构链表的演示程序

// BoxLeng.cpp : implementation file
//

#include "stdafx.h"
#include "LandSoft.h"
#include "BoxLeng.h"

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

/////////////////////////////////////////////////////////////////////////////
// CBoxLeng dialog


CBoxLeng::CBoxLeng(CWnd* pParent,UINT maxlong)
	: CDialog(CBoxLeng::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBoxLeng)
	m_Boxleng = _T("");
	//}}AFX_DATA_INIT
	m_nMaxlong=maxlong;
}


void CBoxLeng::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBoxLeng)
	DDX_Text(pDX, IDC_EDIT_BOXLENG, m_Boxleng);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CBoxLeng, CDialog)
	//{{AFX_MSG_MAP(CBoxLeng)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBoxLeng message handlers

void CBoxLeng::OnOK() 
{
	UpdateData(TRUE);
	m_Boxleng.TrimLeft();
	CString tmpstr="";
	UINT tmpleng;
	UINT prevleng=0;
	char tmp;
	m_Lengs.RemoveAll();
	for(int i=0;i<m_Boxleng.GetLength();i++)
	{
		tmp=m_Boxleng.GetAt(i);
		
		if(tmp>47&&tmp<58)
		{
			tmpstr+=tmp;
				continue;
		}

		else if(tmp==32)
		{
			if(m_Boxleng.GetAt(i-1)!=32)
			{
				tmpleng=atoi(tmpstr);
				
				if(tmpleng<1||tmpleng>m_nMaxlong)
				{
					AfxMessageBox("你输入的值必须大于0,小于图像长度。",MB_OK,NULL);
					return;
				}

				if(tmpleng<=prevleng)
				{
					AfxMessageBox("你应当从小到大输入, 且不能相等!",MB_OK,NULL);
					return;
				}

				prevleng=tmpleng;
				m_Lengs.Add(tmpleng);
				tmpstr="";
			}

			continue;
		}

		else
		{
			AfxMessageBox("你输入了非法字符,请重新输入!",MB_OK,NULL);
			return;
		}
	}
	
	if(tmp>47&&tmp<58)
	{
		tmpleng=atoi(tmpstr);

		if(tmpleng<1||tmpleng>m_nMaxlong)
		{
			AfxMessageBox("你输入的值必须大于0,小于图像长度。",MB_OK,NULL);
			return;
		}

		if(tmpleng<=prevleng)
		{
			AfxMessageBox("你应当从小到大输入, 且不能相等!",MB_OK,NULL);
				return;
		}
		
		m_Lengs.Add(tmpleng);
	}

	CDialog::OnOK();
}