Fórum JSON COM DELPHI - DÚVIDA #623635

21/01/2025

Boa tarde, estou tentando ler os dados de um JSON que está num memo, mas sempre ocorre acess violation.
Alguém sabe me dizer onde estou errando? segue o código abaixo e o JSON.

[/code]{
"cart": [
{
"item": [
{
"id": 13,
"user_company_id": 1,
"company_id": 1,
"category_id": 4,
"name": "Coca-Cola Lata 350ml",
"description": "Coca-Cola Lata 350ml",
"img": "c66f1120ccd3d7803c061a44a8a130647d84efa3.jpg",
"price": "5.00",
"price_cost": "0.00",
"price_offer": "0.00",
"price_type": 0,
"item_type": 0,
"flavor_amount_min": 0,
"flavor_amount": 0,
"amount": -1,
"free_shipping": 0,
"external_code": "",
"is_unavailable_delivery": 0,
"unit_measure_type": 0,
"hidden": 0,
"position": 1
}
],
"note": "",
"amount": "7",
"price": 35,
"cartItemCode": "d570cb05af62f2e9c694"
},
{
"item": [
{
"id": 11,
"user_company_id": 1,
"company_id": 1,
"category_id": 4,
"name": "Sprite Lata 350ml",
"description": "Sprite Lata 350ml",
"img": "ce2b4744f52fa4a3c61723f02fd9d1542f88983d.jpg",
"price": "5.00",
"price_cost": "0.00",
"price_offer": "0.00",
"price_type": 0,
"item_type": 0,
"flavor_amount_min": 0,
"amount": -1,
"free_shipping": 0,
"external_code": "",
"is_unavailable_delivery": 0,
"unit_measure_type": 0,
"hidden": 0,
"position": 2
}
],
"note": "",
"amount": "9",
"price": 45,
"cartItemCode": "355ae4b6a41dd7d6b559"
}
],
"note": "",
"customer_name": "DANIEL",
"customer_phone_number": "(91) 98289-8056"
}[/code]

var
  js:TJSONObject;
  jDadosPedido:TJSONObject;
  jitem:TJSONObject;
  IDItem:string;
  jArrItem:TJSONArray;
  i:integer;
begin
  js:=TJSONObject(TJSONObject.ParseJSONValue(Memo1.Text));
 
  if js<>nil then
 
  begin
 
    jDadosPedido:= TJSONObject(js.Values['cart']);
 
    if jDadosPedido <> nil then
 
    begin
 
      jArrItem:=TJSONArray(jDadosPedido.Values['item']);
 
      for i := 0 to jArrItem.Count-1 do
      begin
        jitem:=TJSONObject(jArrItem.Items[i]);
        IDItem:= jitem.Values['id'].Value;
        ShowMessage(IDItem);
      end;
 
    end;
 
    js:=nil;
  end;
end;

Daniel Ribeiro

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