独立函数

#include "StdAfx.h"
#include "TBecCommonUtils.h"
#include <atlenc.h>
#if ADS <= 16
#include <io.h>
#endif 


// 取得字符串长度
inline int SStrLen(LPCTSTR pszString)
{
return (NULL == pszString) ? 0 : (int)_tcslen(pszString);
}


// 遍历文件夹取出指定后缀的文件名
INT_PTR TraversalDirectory(LPCTSTR pszDirectory, LPCTSTR pszFileSuffix,
  CStringArray& arResult, BOOL bContainSubDirectory,
  BOOL bResultFullPath)
{
if(NULL == pszDirectory)
return 0;


BOOL bIsAll = FALSE;
CString strSuffix = pszFileSuffix;
if(strSuffix.IsEmpty() || 0 == strSuffix.Compare(_T("*.*")))
{
strSuffix = _T("*");
bIsAll = TRUE;
}
else
{
strSuffix.Remove(_T('.'));
strSuffix.Remove(_T('*'));
}


CString strPath = pszDirectory;
if(_T('\\') != strPath.Right(1))
strPath += _T("\\");


CString strFind;
if(bContainSubDirectory)
strFind.Format(_T("%s%s"), strPath, _T("*.*"));
else
strFind.Format(_T("%s*.%s"), strPath, strSuffix);


WIN32_FIND_DATA FindFileData;
HANDLE hFind = FindFirstFile(strFind, &FindFileData);
if(INVALID_HANDLE_VALUE == hFind)
return 0;


CString strResult, strName, strFindNext;
for(;;)
{
strName = FindFileData.cFileName;
if(_T(".") == strName || _T("..") == strName)
goto LAB_NEXT;


if(bContainSubDirectory)
{
if(FILE_ATTRIBUTE_DIRECTORY == FindFileData.dwFileAttributes)
{
strFindNext = strPath + strName;
TraversalDirectory(strFindNext, pszFileSuffix, arResult,
bContainSubDirectory, bResultFullPath);
goto LAB_NEXT;
}
}
if(FILE_ATTRIBUTE_DIRECTORY == FindFileData.dwFileAttributes)
goto LAB_NEXT;


if(bIsAll)
{
if(bResultFullPath)
strResult.Format(_T("%s%s"), strPath, FindFileData.cFileName);
else
strResult = FindFileData.cFileName;
}
else
{
if(0 == strSuffix.CompareNoCase(strName.Right(strSuffix.GetLength())))
{
if(bResultFullPath)
strResult.Format(_T("%s%s"), strPath, FindFileData.cFileName);
else
strResult = FindFileData.cFileName;
}
else
goto LAB_NEXT;
}
if(!strResult.IsEmpty())
arResult.Add(strResult);


LAB_NEXT:
if(!FindNextFile(hFind, &FindFileData))
{
break;
}
}
FindClose(hFind);


return arResult.GetSize();
}


// 字符串分割
int StrTokenize(LPCTSTR pszSrc, LPCTSTR pszDelimit, CStringArray& arSubs)
{
if(0 == SStrLen(pszSrc) || 0 == SStrLen(pszDelimit))
return 0;


CString sText = pszSrc;
LPTSTR pszNextSub = NULL;


LPTSTR pszSub = _tcstok_s(sText.GetBuffer(0), pszDelimit, &pszNextSub);
while(NULL != pszSub)
{
arSubs.Add(pszSub);
pszSub = _tcstok_s(NULL, pszDelimit, &pszNextSub);
}
sText.ReleaseBuffer();


return (int)arSubs.GetSize();
}


// 检查文件是否存在
inline BOOL IsFileExist(LPCTSTR pszFileName)
{
if(0 == SStrLen(pszFileName))
return FALSE;


return 0 == _taccess(pszFileName, 0);
}


// 浮点数截断
inline double TrimReal(const double& dSrc, int nPreci)
{
double dR = pow(10.0, nPreci);
return (__int64(dSrc * dR + ((0 > dSrc) ? -0.5 : 0.5))) / dR;
}


// 除法(自动处理除数为0的情况)
inline double Div(double dDivisor, double dDividend)
{
if(EQU_ZERO(dDividend))
return 0;
return (dDivisor / dDividend);
}


// 输出调试信息文字
inline CStringA TraceDebug(LPCSTR pszFormat, ...)
{
CStringA sOutput;
#if defined(_DEBUG) || defined(RDEBUG)
if(NULL == pszFormat)
return "";


va_list argList;
va_start(argList, pszFormat);
sOutput.FormatV(pszFormat, argList);
va_end(argList);


OutputDebugStringA(sOutput);
#endif // DEBUG
return sOutput;
}


inline CStringW TraceDebug(LPCWSTR pszFormat, ...)
{
CStringW sOutput;
#if defined(_DEBUG) || defined(RDEBUG)
if(NULL == pszFormat)
return L"";


va_list argList;
va_start(argList, pszFormat);
sOutput.FormatV(pszFormat, argList);
va_end(argList);


OutputDebugStringW(sOutput);
#endif // DEBUG
return sOutput;
}


// 值比较
inline BOOL ValueComp(double dLeft, double dRight, EVCompType eType)
{
if(eGrea == eType)
return GREA(dLeft, dRight);
else if(eGreaEqu == eType)
return GREA_EQU(dLeft, dRight);
else if(eLess == eType)
return LESS(dLeft, dRight);
else if(eLessEqu == eType)
return LESS_EQU(dLeft, dRight);
else
return EQU(dLeft, dRight);
}


// 区间比较
inline BOOL RangeComp(double dVal, double dMin, double dMax, ERCompType eType)
{
if(eEquNon == eType)
return GREA(dVal, dMin) && LESS(dVal, dMax);
else if(eEquAll == eType)
return GREA_EQU(dVal, dMin) && LESS_EQU(dVal, dMax);
else if(eEquMax == eType)
return GREA(dVal, dMin) && LESS_EQU(dVal, dMax);
else
return GREA_EQU(dVal, dMin) && LESS(dVal, dMax);
}


inline BOOL RangeComp(double dVal, const double dRange[2],
 const BOOL bLimit[2], ERCompType eType)
{
// 转换比较方式
EVCompType eL, eR;
RCToVC(eType, eL, eR);


BOOL bRes = TRUE;
if(bLimit[0] && bLimit[1])
{
// 同时比较最小值和最大值
bRes = ValueComp(dVal, dRange[0], eL)
&& ValueComp(dVal, dRange[1], eR);
}
else if(bLimit[0] && !bLimit[1])
{
// 只比较最小值
bRes = ValueComp(dVal, dRange[0], eL);
}
else if(!bLimit[0] && bLimit[1])
{
// 只比较最大值
bRes = ValueComp(dVal, dRange[1], eR);
}
return bRes;
}


// 取得对立的区间比较方式
inline EVCompType VCNegate(EVCompType eType)
{
if(eUnequal == eType)
return eEqual;
else if(eGrea == eType)
return eLessEqu;
else if(eGreaEqu == eType)
return eLess;
else if(eLess == eType)
return eGreaEqu;
else if(eLessEqu == eType)
return eGrea;
else
return eUnequal;
}


// 根据区间比较方式取得值比较方式
inline void RCToVC(ERCompType eType, EVCompType& eL, EVCompType& eR)
{
if(eEquNon == eType)
{
eL = eGrea;
eR = eLess;
}
else if(eEquAll == eType)
{
eL = eGreaEqu;
eR = eLessEqu;
}
else if(eEquMax == eType)
{
eL = eGrea;
eR = eLessEqu;
}
else
{
eL = eGreaEqu;
eR = eLess;
}
}


// 弧度转换为角度
inline double RToA(double dRadian)
{
return dRadian * 180 / PI;
}


// 角度转换为弧度
inline double AToR(double dAngle)
{
return PI / 180 * dAngle;
}


// 从路径中提取文件名
CString PickFileName(LPCTSTR pszPathName)
{
if(NULL == pszPathName)
return STRNULL;


CString sPath = pszPathName;
sPath.Replace(_T('/'), _T('\\'));
int nIdx = sPath.ReverseFind(_T('\\'));


return (-1 == nIdx) ? sPath : sPath.Mid(nIdx + 1);
}


// 提取文件的后缀名
CString PickFileExtName(LPCTSTR pszPathName)
{
if(NULL == pszPathName)
return STRNULL;


CString sPath = pszPathName;
sPath.Replace(_T('/'), _T('\\'));
int nPath = sPath.ReverseFind(_T('\\'));
int nExt = sPath.ReverseFind(_T('.'));
if(nPath >= nExt || -1 == nExt)
return STRNULL;


return sPath.Mid(nExt + 1);
}


// 分解文件路径
BOOL SplitPath(LPCTSTR pszPathName, CString& sPath, CString& sName)
{
if(NULL == pszPathName)
return FALSE;


TCHAR szDrive[_MAX_DRIVE] = STRNULL;
TCHAR szDir[_MAX_DIR] = STRNULL;
TCHAR szFname[_MAX_FNAME] = STRNULL;
TCHAR szExt[_MAX_EXT] = STRNULL;
_tsplitpath_s(pszPathName, szDrive, szDir, szFname, szExt);
sPath.Format(_T("%s%s"), szDrive, szDir);
sName.Format(_T("%s"), szFname);


return TRUE;
}


// 文件类型转换为后缀名 如 .doc
CString FSuffix(EFileType eType, int nVersion)
{
CString sSuffix;
switch(eType)
{
case eDoc:
{
if(0 == nVersion)
sSuffix = _T(".doc");
else
sSuffix = _T(".docx");
}
break;
case eXls:
{
if(0 == nVersion)
sSuffix = _T(".xls");
else
sSuffix = _T(".xlsx");
}
break;
case eXml:
sSuffix = _T(".xml");
break;
case eHtml:
sSuffix = _T(".html");
break;
case eDwg:
sSuffix = _T(".dwg");
break;
default:
sSuffix = _T(".*");
break;
}
return sSuffix;
}


// 文档类型转换为文档名称 如 Word 文档 (*.doc)
CString FTitle(EFileType eType, BOOL bFilter, int nVersion)
{
CString sDocTitle;
switch(eType)
{
case eDoc:
{
if(0 == nVersion)
sDocTitle = _T("Word 文档 (*.doc)");
else
sDocTitle = _T("Word 文档 (*.docx)");
}
break;
case eXls:
{
if(0 == nVersion)
sDocTitle = _T("Excel 工作薄 (*.xls)");
else
sDocTitle = _T("Excel 工作薄 (*.xlsx)");
}
break;
case eXml:
sDocTitle = _T("XML 数据 (*.xml)");
break;
case eHtml:
sDocTitle = _T("网页 (*.html)");
break;
case eDwg:
sDocTitle = _T("AutoCAD 图形 (*.dwg)");
break;
default:
sDocTitle = _T("所有文件 (*.*)");
break;
}
if(bFilter)
{
CString sFilter;
sFilter.Format(_T("|*%s|"), FSuffix(eType, nVersion));
sDocTitle += sFilter;
}
return sDocTitle;
}


// 简化地点名称
void TrimPlaceName(CString& sPlace)
{
// 判断是ANSI还是UNICODE
int nWidth = sizeof(TCHAR);


// 城市名称最少2个字 等于2个字的不需要简化
if(nWidth * 2 != sPlace.GetLength())
{
LPCTSTR pszSuffix[] = {_T("直辖市"), _T("自治区"), _T("自治州"), _T("自治县"), _T("自治旗"),
  _T("省"), _T("市"), _T("区"), _T("县"), _T("镇"), _T("乡"), _T("旗"), _T("盟")};


int nLen = 0;
int nSize = sizeof(pszSuffix) / sizeof(pszSuffix[0]);
for(int i = 0; i < nSize; i++)
{
nLen = _tcslen(pszSuffix[i]);
if(sPlace.GetLength() <= nLen)
continue;


if(sPlace.Right(nLen) == pszSuffix[i])
{
sPlace.TrimRight(pszSuffix[i]);
break;
}
}
}
}


// 初始化随机颜色种子
__int64 g_nColorWeight = -5;
void SrandColor(__int64 nWeight)
{
if(-5 > nWeight)
g_nColorWeight = -5;
else
g_nColorWeight = nWeight;
}


// 产生一个随机颜色
COLORREF RandColor()
{
COLORREF color = 0;
if(0 >= g_nColorWeight){
switch(g_nColorWeight){
case -5:
color = RGB(0xFF, 0x00, 0x00);
break;
case -4:
color = RGB(0x00, 0xFF, 0x00);
break;
case -3:
color = RGB(0x00, 0x00, 0xFF);
break;
case -2:
color = RGB(0x00, 0xFF, 0xFF);
break;
case -1:
color = RGB(0xFF, 0xFF, 0x00);
break;
case -0:
color = RGB(0xFF, 0x00, 0xFF);
break;
default:
g_nColorWeight = 1;
return color;
}
g_nColorWeight += 1;
}else{
color = 0;
for(int i = 0; i < 3; i++){
g_nColorWeight = ((g_nColorWeight * 0xB2E34DC9 + 0x369EC3) >> 16) & 0x7FFF;
color |= ((g_nColorWeight & 0xFF) << 8 * i);
}
}
return color;
}


// 生成一个临时文件全路径
CString MakeTempFileName(LPCTSTR pszExt, LPCTSTR pszDir)
{
// 处理后缀名
CString sExt;
if(NULL == pszExt)
sExt = _T("txt");
else
{
sExt = pszExt;
sExt.TrimLeft(_T("."));
if(!sExt.IsEmpty())
sExt.Insert(0, _T('.'));
}


// 处理路径
CString sPath;
if(NULL == pszDir)
{
if(0 == GetTempPath(MAX_PATH, sPath.GetBuffer(MAX_PATH + 1)))
{
return STRNULL;
}
sPath.ReleaseBuffer();
}
else
{
sPath = pszDir;
if(_T("\\") != sPath.Right(1))
sPath += _T("\\");
}


// 格式化当前时间
static __time64_t nSpan = 1;
CTime time = CTime::GetCurrentTime();
time += CTimeSpan(nSpan++);
CString sTime = time.Format(_T("%y%m%d%H%M%S"));


// 格式化全路径
CString sPathName;
sPathName.Format(_T("%s%s%s"), sPath, sTime, sExt);


return sPathName;
}


// 取得多个文件路径
int GetMultipleFiles(CStringList& lstFiles, CWnd* pParent, LPCTSTR pszFilter,
LPCTSTR pszExt, LPCTSTR pszInitialDir, LPCTSTR pszTitle)
{
CFileDialog dlg(TRUE, pszExt, NULL, OFN_ALLOWMULTISELECT | OFN_HIDEREADONLY,
pszFilter, pParent);


TCHAR szFileName[4056] = STRNULL;
dlg.m_ofn.lpstrFile = szFileName;
dlg.m_ofn.nMaxFile = 4055;
if(NULL != pszTitle)
dlg.m_ofn.lpstrTitle = pszTitle;
if(NULL != pszInitialDir)
dlg.m_ofn.lpstrInitialDir = pszInitialDir;


if(IDOK != dlg.DoModal())
return 0;


POSITION pos = dlg.GetStartPosition();
while(NULL != pos)
{
lstFiles.AddTail(dlg.GetNextPathName(pos));
}
return (int)lstFiles.GetCount();
}


// 计算CRC32校验码
UINT CRC32(const BYTE* pBuffer, UINT nLen)
{
// CRC32查询表
static UINT uCRC32Tab[] = {
0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D
};


if(NULL == pBuffer)
return 0;


UINT nCRC32 = 0xFFFFFFFF;
for(UINT i = 0; i < nLen; i++)
{
nCRC32 = (nCRC32 >> 8) ^ uCRC32Tab[(nCRC32 & 0xFF) ^ *pBuffer++];
}


return (nCRC32 ^ 0xFFFFFFFF);
}


// 将文件编码成一个字符串 返回值: 编码后的字符串
CString TBecEncode(LPCTSTR pszFilePathName)
{
if(!IsFileExist(pszFilePathName))
return STRNULL;


CFile file;
if(!file.Open(pszFilePathName, CFile::modeRead | CFile::typeBinary))
return STRNULL;


// 读取文件
int nFileLen = (int)file.GetLength();
if(0 == nFileLen)
return STRNULL;


BYTE* pBuff = new BYTE[nFileLen];
file.Read(pBuff, nFileLen);
file.Close();


// 提取文件的后缀名
_bstr_t sExt = PickFileExtName(pszFilePathName);
int nExtAdd = sExt.length() + 1;


// 将后缀名附加到编码字符串中
CStringA sDest;
sDest.Format("%s|", (LPCSTR)sExt);


// BASE64编码
int nEncLen = Base64EncodeGetRequiredLength(nFileLen);
LPSTR pszBuffer = sDest.GetBuffer(nEncLen + nExtAdd + 1);
pszBuffer += nExtAdd;
if(!Base64Encode(pBuff, nFileLen, pszBuffer, &nEncLen))
{
delete []pBuff;
return STRNULL;
}
sDest.ReleaseBuffer(nEncLen + nExtAdd);
delete []pBuff;


#ifdef _UNICODE
_bstr_t sConver((LPCSTR)sDest);
return (LPCWSTR)sConver;
#else
return sDest;
#endif
}


// 将字符串解码成一个文件
CString TBecDecode(LPCTSTR pszEncodedString)
{
if(NULL == pszEncodedString || 0 == *pszEncodedString)
return STRNULL;


#ifdef _UNICODE
_bstr_t sConver(pszEncodedString);
LPCSTR pEncoded = (LPCSTR)sConver;
#else
LPCSTR pEncoded = pszEncodedString;
#endif


// 提取文件后缀名
CStringA sExt;
LPCSTR pszExt = strstr(pEncoded, "|");
if(NULL != pszExt)
{
int nOffset = pszExt - pEncoded;
strncpy_s(sExt.GetBuffer(nOffset + 1), nOffset + 1, pEncoded, nOffset);
sExt.ReleaseBuffer(nOffset);
pEncoded += (nOffset + 1);
}


// BASE64解码
int nSrcLen = strlen(pEncoded);
int nDecLen = Base64DecodeGetRequiredLength(nSrcLen);
BYTE* pBuff = new BYTE[nDecLen];
if(!Base64Decode(pEncoded, nSrcLen, pBuff, &nDecLen))
{
delete []pBuff;
return STRNULL;
}


// 生成临时文件路径
CString sPath = MakeTempFileName((LPCTSTR)_bstr_t(sExt));


// 写文件
CFile file;
if(!file.Open(sPath, CFile::modeCreate | CFile::modeWrite | CFile::typeBinary))
{
delete []pBuff;
return STRNULL;
}
file.Write(pBuff, nDecLen);
file.Close();


delete []pBuff;


return sPath;
}


// double转换成CString
CString D2String(double dValue, int nPreci, LPCTSTR pszDefault)
{
CString sValue;
if(NULL != pszDefault && EQU_ZERO(dValue))
{
sValue = pszDefault;
}
else
{
CString sFormat;
sFormat.Format(_T("%%.%df"), nPreci);
sValue.Format(sFormat, dValue);
}
return sValue;
}


// 简单插值算法
inline double SimpleInterp(double dItpKey, double dItpRef[2], double dItpVal[2])
{
return ((dItpKey - dItpRef[0]) * (dItpVal[1] - dItpVal[0]))
/ (dItpRef[1] - dItpRef[0]) + dItpVal[0];
}


// 生成标准规定KEY
inline CString RuleKey(LPCTSTR pszDataName)
{
if(NULL == pszDataName)
return STRNULL;


CString sKey;
sKey.Format(_T("%s%s"), pszDataName, _T("_规定"));
return sKey;
}


// 生成结论KEY
inline CString ResultKey(LPCTSTR pszDataName)
{
if(NULL == pszDataName)
return STRNULL;


CString sKey;
sKey.Format(_T("%s%s"), pszDataName, _T("_结论"));
return sKey;
}


// 生成限值KEY
inline CString LimitKey(LPCTSTR pszDataName)
{
if(NULL == pszDataName)
return STRNULL;


CString sKey;
sKey.Format(_T("%s%s"), pszDataName, _T("_限值"));
return sKey;
}


// 生成状态KEY
inline CString StateKey(LPCTSTR pszDataName)
{
if(NULL == pszDataName)
return STRNULL;


CString sKey;
sKey.Format(_T("%s%s"), pszDataName, _T("_状态"));
return sKey;
}