unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; Memo1: TMemo; procedure Button1Click(Sender: TObject); procedure FormCreate(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.Button1Click(Sender: TObject); var stream1,stream2: TStringStream; b: Byte; bs: string; begin {建立第一个流, 使用默认的双字节编码; 流中的数据是 Memo 中的字符串} stream1 := TStringStream.Create(Memo1.Text, 54936); {把第一个流的十六进制编码显示在 Memo 中} bs := ''; for b in stream1.Bytes do bs := Format(bs + '%2x ', [b]); Memo1.Lines.Add(bs); {建立第二个流, 用 UTF8 编码; 还是基于第一个流中的字符串} stream2 := TStringStream.Create(stream1.DataString, TEncoding.UTF8); {把第二个流的十六进制编码显示在 Memo 中} bs := ''; for b in stream2.Bytes do bs := Format(bs + '%2x ', [b]); Memo1.Lines.Add(bs); stream1.Free; stream2.Free; end; procedure TForm1.FormCreate(Sender: TObject); begin Memo1.Align := alTop; Memo1.ScrollBars := ssBoth; Memo1.Text := '万一的 Delphi 博客'; end; end.标签:UTF,流中,TObject,stream2,stream1,bs,字符串,Memo1 From: https://www.cnblogs.com/lucken2000/p/17396723.html