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(Delphi ActiveX) Load JSON Array from HTTP Response BodyDemonstrates how to load the HTTP response body directly into a JsonArray. 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, Chilkat_TLB; ... procedure TForm1.Button1Click(Sender: TObject); var success: Integer; http: TChilkatHttp; resp: TChilkatHttpResponse; jarr: TChilkatJsonArray; begin success := 0; http := TChilkatHttp.Create(Self); resp := TChilkatHttpResponse.Create(Self); success := http.HttpStr('GET','https://www.chilkatsoft.com/exampledata/sampleArray.json','','','',resp.ControlInterface); if (success = 0) then begin Memo1.Lines.Add(http.LastErrorText); Exit; end; // A JSON array is JSON that begins with "[" and ends with "]" jarr := TChilkatJsonArray.Create(Self); // If we wish to transfer (instead of copy) the JSON from the HttpResponse to the JsonArray, then add the keyword "TakeResponseBody" to UncommonOptions // This could save memory for extremely large JSON responses. resp.UncommonOptions := 'TakeResponseBody'; resp.GetBodyJarr(jarr.ControlInterface); Memo1.Lines.Add(jarr.Emit()); // Note: If UncommonOptions contained "TakeResponseBody", then the response BodyStr will now be empty: Memo1.Lines.Add('----'); Memo1.Lines.Add(resp.BodyStr); end; |
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