unit Demo;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls,IdHTTP;

type
  TForm1 = class(TForm)
    Memo1: TMemo;
    Edit1: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    function SendMsg(Msg : string) : string;
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

{ TForm1 }

function TForm1.SendMsg(Msg : string) : string;
var
  idhttp :  TIdHTTP;
  url,ResquestStr,ResponseStr : string;
  ResquestStream,ResponseStream : TStringStream;
begin
  Result := \'\';
  idhttp := TIdHTTP.Create(nil);
  idhttp.Request.ContentType := \'\';

  //info 传递信息需要 UTF8 加密，否则机器人不能正确识别
  ResquestStr := \'{"key":"你的KEY","info":"\'+ UTF8Encode(Msg) +\'","userid":"demo1"}\';

  //将传递的信息，写入请求流
  ResquestStream := TStringStream.Create(ResquestStr);
  ResponseStream := TStringStream.Create(\'\');
  url := \'http://www.tuling123.com/openapi/api\';
  try
    try
      //发起请求
      idhttp.Post(url,ResquestStream,ResponseStream);
    except
      on e: Exception do
      begin
        ShowMessage(\'出现异常：\' + e.Message);
      end;
    end;
    //获取响应的信息
    ResponseStr := ResponseStream.DataString;
    //响应的信息需要进行 UTF8 解密 
    ResponseStr := UTF8Decode(ResponseStr);
    Result := ResponseStr;
  finally
    idhttp.Free;
    ResquestStream.Free;
    ResponseStream.Free;
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  acceptInfo : string;
begin
  //向图灵机器人发送信息，并获取返回
  acceptInfo := SendMsg(Edit1.Text);
  //将信息在界面上显示
  Memo1.Lines.Add(acceptInfo);
end;

end.