CFILE追加写入文件

CFile file;

file.Open(strName, CFile::modeWrite|CFile::modeNoTruncate|CFile::modeCreate);

if( file.GetLength() !=0 )

{

     file.SeekToEnd();

     file.Write("\r\n",strlen("\r\n"));//换行

}

file.Write(strValue.GetBuffer(), strValue.GetLength());

file.Close();