mfc读取文件

CStdioFile file;//头文件中添加

CString szFilePath;

CString filename_routelist ("key.txt");

if (file.Open(filename_routelist, CFile::modeReadWrite | CFile::typeText))//如果有文件则读取

{

file.SeekToBegin();

file.ReadString(szFilePath);

file.Close();//关闭文件

}

else if (file.Open(filename_routelist, CFile::modeCreate | CFile::typeText | CFile::modeReadWrite))

//如果没有key.txt文件 则在该路径下建立此文件

{

CString write ("123456");

file.WriteString(write);

file.Close();

}

else

exit(0);