Delphi indy TIdHTTP TIdHTTPServer Post Get

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TIdHTTPServer ：

try
    IdHTTPServer1.Bindings.Clear;
    //要绑定的端口，一定设置此项，这是真正要绑定的端口;
    IdHTTPServer1.DefaultPort:=8099;
    IdHTTPServer1.Bindings.Add.IP := '127.0.0.1';
    //启动服务器
    IdHTTPServer1.Active := True;
    Memo1.Lines.Add('启动');
except
     showmessage('启动失败！');
end;

procedure TForm1.IdHTTPServer1CommandGet(AContext: TIdContext;
ARequestInfo: TIdHTTPRequestInfo; AResponseInfo: TIdHTTPResponseInfo);
begin
Memo1.Lines.Add(ARequestInfo.Document);
Memo1.Lines.Add(ARequestInfo.QueryParams);
Memo1.Lines.Add(ARequestInfo.Params.Values['Par1'] );
Memo1.Lines.Add(ARequestInfo.Params.Values['Par2'] );
Memo1.Lines.Add(ARequestInfo.Command);
Memo1.Lines.Add(ARequestInfo.URI);

AResponseInfo.ContentEncoding:='utf-8';
AResponseInfo.ContentType :='text/html';
AResponseInfo.ContentText:='<html><body>好</body></html>';

//发html文件
   {AResponseInfo.ContentEncoding:='utf-8';
   AResponseInfo.ContentType :='text/html';
   AResponseInfo.ContentText:='<html><body>好</body></html>'; }
   //发xml文件
   {AResponseInfo.ContentType :='text/xml';
   AResponseInfo.ContentText:='<?xml version="1.0" encoding="utf-8"?>'
   +'<students>'
   +'<student sex = "male"><name>'+AnsiToUtf8('陈')+'</name><age>14</age></student>'
   +'<student sex = "female"><name>bb</name><age>16</age></student>'
   +'</students>';}

end;

TIdHTTP ：

procedure TForm1.Button2Click(Sender: TObject);
var
URL: string;
StrR: string;
RequestStream : TStringStream;
begin
URL := 'http://172.23.4.120:8099/test';
IdHttp1.Request.ContentType :='application/x-www-form-urlencoded';
RequestStream := TStringStream.Create('Par1=1&Par2=2', TEncoding.UTF8);
RequestStream.Position := 0;

StrR := IdHTTP1.Post(URL, RequestStream);
Memo2.Lines.Add(StrR);

FreeAndNil(RequestStream);
end;

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