Bonjour,

Je teste l'utilisation d'API avec Delphi 10.4.2. Je teste donc fixer.io.
J'ai généré les composants avec le debogeur REST.

Le debogeur me permet bien de récupérer le fichier attendu :

Code json : Sélectionner tout - Visualiser dans une fenêtre à part
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{
  "success":true,
  "timestamp":1632647943,
  "base":"EUR",
  "date":"2021-09-26",
  "rates":{
    "AED":4.304841,
    "AFN":103.078752,
    "ALL":121.479309,
    "AMD":565.190571,
    "ANG":2.103402,
    "AOA":704.222176,
    "ARS":115.490499,
    "AUD":1.613784,
    "AWG":2.110204,
    "AZN":1.99707,
    "BAM":1.953139,
    "BBD":2.36604,
    "BDT":99.885221,
    "BGN":1.956324,
    "BHD":0.441583,
    "BIF":2338.159933,
    "BMD":1.17201,
    "BND":1.585016,
    "BOB":8.091795,
    "BRL":6.252795,
    "BSD":1.171785,
    "BTC":2.8031075e-5,
    "BTN":86.375361,
    "BWP":13.181998,
    "BYN":2.933058,
    "BYR":22971.395832,
    "BZD":2.362045,
    "CAD":1.483847,
    "CDF":2346.954602,
    "CHF":1.08236,
    "CLF":0.033675,
    "CLP":929.205145,
    "CNY":7.579042,
    "COP":4496.662454,
    "CRC":732.20104,
    "CUC":1.17201,
    "CUP":31.058265,
    "CVE":110.814007,
    "CZK":25.443873,
    "DJF":208.290077,
    "DKK":7.435987,
    "DOP":66.136985,
    "DZD":160.434151,
    "EGP":18.394,
    "ERN":17.585956,
    "ETB":54.088721,
    "EUR":1,
    "FJD":2.452436,
    "FKP":0.846754,
    "GBP":0.85642,
    "GEL":3.645409,
    "GGP":0.846754,
    "GHS":7.079398,
    "GIP":0.846754,
    "GMD":60.417572,
    "GNF":11450.538033,
    "GTQ":9.06411,
    "GYD":244.952909,
    "HKD":9.124954,
    "HNL":28.367143,
    "HRK":7.504268,
    "HTG":117.183523,
    "HUF":356.882949,
    "IDR":16740.697715,
    "ILS":3.749096,
    "IMP":0.846754,
    "INR":86.783297,
    "IQD":1710.548582,
    "IRR":49447.101951,
    "ISK":150.498255,
    "JEP":0.846753,
    "JMD":173.585208,
    "JOD":0.831001,
    "JPY":129.794837,
    "KES":129.394361,
    "KGS":99.390902,
    "KHR":4787.661226,
    "KMF":492.600249,
    "KPW":1054.809009,
    "KRW":1383.276962,
    "KWD":0.352821,
    "KYD":0.976496,
    "KZT":498.732755,
    "LAK":11532.578725,
    "LBP":1790.831676,
    "LKR":234.083024,
    "LRD":200.535333,
    "LSL":17.240714,
    "LTL":3.460641,
    "LVL":0.708938,
    "LYD":5.315111,
    "MAD":10.536816,
    "MDL":20.747211,
    "MGA":4605.999673,
    "MKD":61.470295,
    "MMK":2193.176807,
    "MNT":3327.615053,
    "MOP":9.39765,
    "MRO":418.407365,
    "MUR":50.088076,
    "MVR":18.107998,
    "MWK":955.188547,
    "MXN":23.504313,
    "MYR":4.908968,
    "MZN":74.80984,
    "NAD":17.521992,
    "NGN":482.286479,
    "NIO":41.313794,
    "NOK":10.005063,
    "NPR":138.200458,
    "NZD":1.667899,
    "OMR":0.451043,
    "PAB":1.171785,
    "PEN":4.814662,
    "PGK":4.1431,
    "PHP":59.397719,
    "PKR":198.19123,
    "PLN":4.605396,
    "PYG":8064.830869,
    "QAR":4.267333,
    "RON":4.950223,
    "RSD":117.4182,
    "RUB":84.986668,
    "RWF":1166.149941,
    "SAR":4.396227,
    "SBD":9.444132,
    "SCR":16.336373,
    "SDG":516.274712,
    "SEK":10.139297,
    "SGD":1.586169,
    "SHP":1.614331,
    "SLL":12399.866106,
    "SOS":685.626242,
    "SRD":25.105045,
    "STD":24258.240544,
    "SVC":10.252872,
    "SYP":1473.730156,
    "SZL":17.521983,
    "THB":39.183855,
    "TJS":13.282697,
    "TMT":4.102035,
    "TND":3.284563,
    "TOP":2.641246,
    "TRY":10.411672,
    "TTD":7.964764,
    "TWD":32.512968,
    "TZS":2717.891563,
    "UAH":31.324535,
    "UGX":4136.59984,
    "USD":1.17201,
    "UYU":49.975267,
    "UZS":12511.207051,
    "VEF":250611157048.6555,
    "VND":26680.807455,
    "VUV":130.833505,
    "WST":3.000719,
    "XAF":655.054347,
    "XAG":0.052262,
    "XAU":0.00067,
    "XCD":3.167416,
    "XDR":0.825862,
    "XOF":653.981965,
    "XPF":119.604046,
    "YER":294.061523,
    "ZAR":17.483038,
    "ZMK":10549.500546,
    "ZMW":19.452395,
    "ZWL":377.386739
  }
}

J'ai donc les composants générés par le degobeur :

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RESTClient1: TRESTClient;
RESTRequest1: TRESTRequest;
RESTResponse1: TRESTResponse;
J'ai ajouté ceux-ci :

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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RESTResponseDataSetAdapter1: TRESTResponseDataSetAdapter;
FDMemTable1: TFDMemTable;
ListBox1: TListBox;
J'ai testé le code suivant :

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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procedure TFrmMain.FormCreate(Sender: TObject);
var
  str: string;
  fmt: TFormatSettings;
  d: TDateTime;
  rates: TJSONValue;
 
  strReader: TStringReader;
  jsonTextReader: TJsonTextReader;
begin
  RESTResponseDataSetAdapter1.Dataset := FDMemTable1;
  RESTResponseDataSetAdapter1.ResponseJSON := RESTResponse1;
  RESTRequest1.Params[0].Value := TKeyFixer.GetKey;
  RESTRequest1.Execute;
 
  str := FDMemTable1.FieldList.Text;
  // ShowMessage(str); // success, timestamp, base, date, rates
 
  ListBox1.Items.Add(FDMemTable1.Fields[0].AsString); // T
  if (FDMemTable1.Fields[0].AsBoolean) then
    ListBox1.Items.Add('true')
  else
    ListBox1.Items.Add('false');
 
  ListBox1.Items.Add(FDMemTable1.Fields[1].AsString); // timestamp
  ListBox1.Items.Add(FormatDateTime('dd/mm/yyyy hh:nn:ss.zzz',
    UnixToDateTime(FDMemTable1.Fields[1].AsInteger)));
 
  ListBox1.Items.Add(FDMemTable1.Fields[2].AsString); // "eur"
  ListBox1.Items.Add(FDMemTable1.Fields[3].AsString); // date
 
  fmt := TFormatSettings.Create;
  fmt.DateSeparator := '-';
  fmt.ShortDateFormat:='yyy-mm-dd';
 
  if TryStrToDateTime(FDMemTable1.Fields[3].AsString, d, fmt) then
    ListBox1.Items.Add(FormatDateTime('dd/mm/yyyy hh:nn:ss.zzz', d))
  else
    ListBox1.Items.Add('-');
 
  ListBox1.Items.Add(FDMemTable1.Fields[4].AsString); // json
 
  strReader := TStringReader.Create(FDMemTable1.Fields[4].AsString);
  jsonTextReader := TJsonTextReader.Create(strReader);
 
  while jsonTextReader.read do
    case jsonTextReader.TokenType of
      TJsonToken.PropertyName:
        ListBox1.Items.Add('prop: ' + jsonTextReader.Value.AsString);
      TJsonToken.String:
        ListBox1.Items.Add('str: ' + jsonTextReader.Value.AsString);
      TJsonToken.Float:
      try
        ListBox1.Items.Add('fl: ' + jsonTextReader.Value.AsExtended.ToString);
      except
        on e: Exception do
          ListBox1.Items.Add(e.Message);
      end;
    end;
end;
Exception EJsonReaderException dans le module...
Chaine non terminée. Délimiteur attendu : ",Chemin 'BIF', ligne 1, position 255.

J'ai l'impression que je ne récupère pas la chaine complète.
Avez-vous des conseils à me donner pour parvenir à lire toutes les infos ?
Merci de vos commentaires.