unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, IdBaseComponent, IdComponent, IdTCPConnection, IdTCPClient,
  IdHTTP, StdCtrls;

type
  TForm1 = class(TForm)
    btnPost: TButton;
    IDHTTP: TIdHTTP;
    mmInfo: TMemo;
    mmResult: TMemo;
    procedure btnPostClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    function UploadData: Boolean;
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

function TForm1.UploadData: Boolean;
var
  sURL, sR: string;
  bDone: Boolean;
  vPostList: TStrings;
  I: Integer;
begin
  Result := False;

  mmResult.Text := '';
  sURL := 'http://39.108.111.147:7777/counter/update';
  vPostList := TStringList.Create;
  try
    try
      vPostList.Assign(mmInfo.Lines);
      for I := 0 to vPostList.Count - 1 do
        vPostList[I] := AnsiToUtf8(vPostList[I]);
      sR := IdHTTP.Post(sURL, vPostList);
      bDone := True;
    except
      bDone := False;
    end;
    sR := Utf8ToAnsi(sR);
    // '200 OK'表示请求成功
    mmResult.Text := sR + #13#10 + IDHTTP.ResponseText;
  finally 
    vPostList.Free;
  end;
end;

procedure TForm1.btnPostClick(Sender: TObject);
begin
  UploadData;
end;

end.