在线等,16进制转换成10进制数字符串 转换前31 30 33 39 2E 31 38 37转换后1039.187请问如何实现?另问用TFileStream类如何实现读取后转换,请大家多多指教 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end;var Form1: TForm1;implementation{$R *.dfm}uses StrUtils;function xxx(s:string):string;var i:integer;begin result:=''; for i:=0 to Round(length(s)/3)-1 do begin result:=result+Chr(StrToInt('$'+LeftStr(PChar(@PChar(s)[i*3]),2))) end;end;procedure TForm1.Button1Click(Sender: TObject);begin ShowMessage(xxx('31 30 33 39 2E 31 38 37 '));end;end. 谢谢truedogface(^(o.o)^) 的回帖,转换知道了,哪位再能说一下如何在二进制文件里按字节读取一组连续的16进制数值?如上例中的31 30 33 39 2E 31 38 37,能否用TFileStream实现呢?我听高手说按字节读文件要加什么编译开关?请知道的兄弟姐妹帮一下忙吧。。 unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; OpenDialog1: TOpenDialog; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end;var Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);var fs:TFileStream; b:Byte;begin if(not OpenDialog1.Execute)then exit; fs:=TFileStream.Create(OpenDialog1.FileName,fmOpenRead or fmShareDenyNone); try while(fs.Position<>fs.Size)do begin fs.Read(b,1); //ShowMessage(IntToHex(b,2)); //可以显示出来看看 end; finally fs.Free; end;end;end. 关于软件的压缩 如何获取某个控件的光标图片,将它旋转后重新生成一个新的光标? delphi用于CAD开发的基础方面请教. 在使用ado的时候,报错(invalid pointer operation),不知是什么原因? 怎样用canvas把image里的图象清除掉? 国内的delphi论坛 SQL SERVER 2000怎样接受fox的文件数据 很简单的问题 怎么样显示当前的月份? 如何动态控制数据模块中的ADO控件? 关于SQL 2000数据库的一个问题!很急!!!!! socket发送包的问题 急急急急急急急急急急急急 瑞星怎么做的?
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}uses
StrUtils;function xxx(s:string):string;
var
i:integer;
begin
result:='';
for i:=0 to Round(length(s)/3)-1 do
begin
result:=result+Chr(StrToInt('$'+LeftStr(PChar(@PChar(s)[i*3]),2)))
end;
end;procedure TForm1.Button1Click(Sender: TObject);
begin
ShowMessage(xxx('31 30 33 39 2E 31 38 37 '));
end;end.
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;type
TForm1 = class(TForm)
Button1: TButton;
OpenDialog1: TOpenDialog;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;var
Form1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);
var
fs:TFileStream;
b:Byte;
begin
if(not OpenDialog1.Execute)then
exit; fs:=TFileStream.Create(OpenDialog1.FileName,fmOpenRead or fmShareDenyNone);
try
while(fs.Position<>fs.Size)do
begin
fs.Read(b,1);
//ShowMessage(IntToHex(b,2)); //可以显示出来看看
end;
finally
fs.Free;
end;
end;end.