Delphi ActiveX

Demonstrates the Http.QuickRequestParams Method

See more HTTP Examples

Demonstrates how to use the Http.QuickRequestParams method. This is where query params can be provided non-URL-encoded in JSON format. Delphi ActiveX

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
http: TChilkatHttp;
queryParams: TChilkatJsonObject;
sessionLogPath: WideString;
resp: TChilkatHttpResponse;
fac: TCkFileAccess;
sessionLog: WideString;

begin
success := 0;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

// Demonstrate sending a GET request with query parameters.
queryParams := TChilkatJsonObject.Create(Self);
queryParams.UpdateInt('limit',100);
queryParams.UpdateString('email','joe@example.com');
queryParams.UpdateString('token','VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2cuLi4=');

// Set a session log filename so we can examine the exact request that is sent.
sessionLogPath := 'qa_output/sessionLog.txt';
http.SessionLogFilename := sessionLogPath;

// Send the GET request to an endpoint.  We don't care about the response. The purpose of this example
// is to see the exact HTTP request that is sent..
resp := TChilkatHttpResponse.Create(Self);
success := http.HttpParams('GET','https://www.chilkatsoft.com/echoPostBody.asp',queryParams.ControlInterface,resp.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

fac := TCkFileAccess.Create(Self);
sessionLog := fac.ReadEntireTextFile(sessionLogPath,'utf-8');
Memo1.Lines.Add(sessionLog);
success := fac.FileDelete(sessionLogPath);

// This is the exact GET request that was sent.
// Notice how each query parameter is URL encoded and added to the HTTP start line of the request.

// GET /echoPostBody.asp?limit=100&email=joe%40example.com&token=VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2cuLi4%3D HTTP/1.1
// Host: www.chilkatsoft.com
// Accept: */*
// Accept-Encoding: gzip
end;