var
streamFile:TFileStream;
bRowByte:Array[1..2] of Byte;
nFileSize:integer;//文件大小
nCurLeftSize:integer;//剩余文件大小
begin
streamFile:=TFileStream.Create(m_strDATName, fmOpenRead); //只读方式打开文件 nFileSize:=streamFile.Size; //得到文件大小 streamFile.Seek(8, soFromBeginning); //从文件第 8 个字节开始读取数据 nCurLeftSize:=nFileSize - 8;//剩余文件大小 try
while nCurLeftSize > 0 do
begin
streamFile.Read(bRowByte, 2);//每次读取两个字节数据
//处理这两个字节的数据
//.....
//
nCurLeftSize:=nCurLeftSize - 2; //剩余文件大小
streamFile.Seek(nRowByteNum, soFromCurrent); //跳过nRowByteNum 个字节数据
nCurLeftSize:=nCurLeftSize - nRowByteNum; //剩余文件大小
end;
finally
streamFile.Free;
end;
//.....
streamFile:TFileStream;
bRowByte:Array[1..2] of Byte;
nFileSize:integer;//文件大小
nCurLeftSize:integer;//剩余文件大小
begin
streamFile:=TFileStream.Create(m_strDATName, fmOpenRead); //只读方式打开文件 nFileSize:=streamFile.Size; //得到文件大小 streamFile.Seek(8, soFromBeginning); //从文件第 8 个字节开始读取数据 nCurLeftSize:=nFileSize - 8;//剩余文件大小 try
while nCurLeftSize > 0 do
begin
streamFile.Read(bRowByte, 2);//每次读取两个字节数据
//处理这两个字节的数据
//.....
//
nCurLeftSize:=nCurLeftSize - 2; //剩余文件大小
streamFile.Seek(nRowByteNum, soFromCurrent); //跳过nRowByteNum 个字节数据
nCurLeftSize:=nCurLeftSize - nRowByteNum; //剩余文件大小
end;
finally
streamFile.Free;
end;
//.....
解决方案 »
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