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(Delphi DLL) Send XMLHttpRequest and Get ResponseDemonstrates how to send an HTTP XML request and retrieve the response. Note: This example requires Chilkat v11.0.0 or greater.
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, HttpResponse, Http; ... procedure TForm1.Button1Click(Sender: TObject); var success: Boolean; http: HCkHttp; xmlStr: PWideChar; urlEndpoint: PWideChar; xmlCharset: PWideChar; resp: HCkHttpResponse; begin success := False; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http := CkHttp_Create(); // The XML sent in the body of the request is application // specified -- it should contain whatever the server-side // application is expecting.. xmlStr := '<?xml version="1.0" encoding="UTF-8"?><appXml><something>123</something></appXml>'; urlEndpoint := 'http://www.chilkatsoft.com/xmlEcho.asp'; xmlCharset := 'utf-8'; resp := CkHttpResponse_Create(); success := CkHttp_HttpStr(http,'POST',urlEndpoint,xmlStr,xmlCharset,'application/xml',resp); if (success = False) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; // The raw HTTP request sent by the above call is: // POST /xmlEcho.asp HTTP/1.1 // Content-Type: text/xml // Host: www.chilkatsoft.com // Accept: */* // Accept-Charset: ISO-8859-1,utf-8;q=0.7,*; q=0.7 // Accept-Language: en-us,en;q=0.5 // Accept-Encoding: gzip // Content-Length: 81 // // <?xml version="1.0" encoding="UTF-8"?><appXml><something>123</something></appXml> // Examine the Body of the HTTP response // This would be the XML response sent by the server. Memo1.Lines.Add(CkHttpResponse__bodyStr(resp)); CkHttp_Dispose(http); CkHttpResponse_Dispose(resp); end; |
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