CFile类
1.打开,关闭和创建文件
CFile file;
file.Open(_T(file.txt),CFile::modeReadWrite);
CFile读取文件
CFile file;
BOOL nVal = file.Open(_T(“a.txt”),CFile::modeReadWrite);
{
cout<< nVal<<endl;
}
BYTE buffer[0x1000];
ULONGLONG length = file.GetLength();
while(length)
{
UINT nByteRead = file.Read(buffer,sizeof(buffer));
length -= nByteRead;
}
如果文件存在,则使用CFile::modeReadWrite模式;