Delphi 简单Post

unit Unit1;

interface

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

type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Button1: TButton;
    IdHTTP1: TIdHTTP;
    Memo1: TMemo;
    Memo2: TMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
var
  RequestStream, ResponseStream: TStringStream; // 返回信息
begin
  ResponseStream := TStringStream.Create('');

  RequestStream := TStringStream.Create(Memo1.Lines.Text);

  try
    IdHTTP1.Post(Edit1.Text, RequestStream, ResponseStream);
    Memo2.Text := ResponseStream.DataString;
  finally
    RequestStream.Free;
    ResponseStream.Free;
  end;
end;

end.

object Form1: TForm1
  Left = 0
  Top = 0
  Caption = 'Form1'
  ClientHeight = 597
  ClientWidth = 759
  Color = clBtnFace
  Font.Charset = DEFAULT_CHARSET
  Font.Color = clWindowText
  Font.Height = -11
  Font.Name = 'Tahoma'
  Font.Style = []
  OldCreateOrder = False
  PixelsPerInch = 96
  TextHeight = 13
  object Edit1: TEdit
    Left = 24
    Top = 16
    Width = 569
    Height = 21
    TabOrder = 0
    Text = 'http://127.0.0.1:1234'
  end
  object Button1: TButton
    Left = 608
    Top = 16
    Width = 75
    Height = 25
    Caption = 'Post'
    TabOrder = 1
    OnClick = Button1Click
  end
  object Memo1: TMemo
    Left = 24
    Top = 56
    Width = 337
    Height = 513
    TabOrder = 2
  end
  object Memo2: TMemo
    Left = 399
    Top = 56
    Width = 337
    Height = 513
    Color = clInfoBk
    TabOrder = 3
  end
  object IdHTTP1: TIdHTTP
    AllowCookies = True
    ProxyParams.BasicAuthentication = False
    ProxyParams.ProxyPort = 0
    Request.ContentLength = -1
    Request.ContentRangeEnd = -1
    Request.ContentRangeStart = -1
    Request.ContentRangeInstanceLength = -1
    Request.Accept = 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'
    Request.BasicAuthentication = False
    Request.UserAgent = 'Mozilla/3.0 (compatible; Indy Library)'
    Request.Ranges.Units = 'bytes'
    Request.Ranges = <>
    HTTPOptions = [hoForceEncodeParams]
    Left = 648
    Top = 96
  end
end