delphi 读取流信息
function ReadString(TheStream: TStream; Length: integer): string;
var
n: longword;
t: byte;
begin
SetLength(result,length);
for n:=1 to length do
begin
TheStream.Read(t, 1);
result[n]:=Chr(t);
end;
end;
function ReadNullTerminatedString(TheStream: TStream; MaxLength: longword): string;
var
n: longword;
TempByte: byte;
TempChar: char;
begin
result:='';
for n:=1 to MaxLength do
begin
TheStream.Read(TempByte, 1);
TempChar:=Chr(TempByte);
if TempChar=#0 then
Exit;
result:=result+TempChar;
end;
end;
procedure TForm1.Button1Click(Sender: TObject);
var
PAKFile:TfileStream;
begin
if OpenDialog1.Execute then
begin
PAKFile := TFileStream.Create(OpenDialog1.FileName, fmOpenRead);
PakFile.Position := 500;
memo1.Lines.Add(ReadString(PAKFile,255));
end;
end;
procedure TForm1.Button2Click(Sender: TObject);
var
PAKFile:TfileStream;
begin
if OpenDialog1.Execute then
begin
PAKFile := TFileStream.Create(OpenDialog1.FileName, fmOpenRead);
//PakFile.Position :=255;
memo1.Lines.Add(ReadNullTerminatedString(PAKFile,5));
end;
end;
推荐分享
图文皆来源于网络，内容仅做公益性分享，版权归原作者所有，如有侵权请告知删除！
Copyright © 2014 DelphiW.com 开发 源码 文档 技巧 All Rights Reserved
晋ICP备14006235号-8 晋公网安备 14108102000087号
执行时间: 0.045624017715454 seconds