(Delphi DLL) Example: Http.HttpSReq method

Demonstrates how to call the HttpSReq method.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
req: HCkHttpRequest;
resp: HCkHttpResponse;
requestBody: PWideChar;

begin
success := False;

http := CkHttp_Create();
req := CkHttpRequest_Create();
resp := CkHttpResponse_Create();

// Specify the details of the HTTP request.
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putContentType(req,'application/json');
CkHttpRequest_putPath(req,'/echo_request_body.asp');

requestBody := '{"greeting":"Hello World"}';
CkHttpRequest_LoadBodyFromString(req,requestBody,'utf-8');

// Send a POST to https://chilkatsoft.com/echo_request_body.asp with a JSON request body.
success := CkHttp_HttpSReq(http,'chilkatsoft.com',443,True,req,resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

// Examine the request we sent.
// The LastHeader property stores the HTTP request header of the most recent request sent,
// and in this instance, the response body mirrors the request body.
Memo1.Lines.Add(CkHttp__lastHeader(http));
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

// Output:

// POST /echo_request_body.asp HTTP/1.1
// Host: chilkatsoft.com
// Content-Type: application/json
// Content-Length: 26
// 
// {"greeting":"Hello World"}

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkHttpResponse_Dispose(resp);

end;