mORMot Js对象解析 Json 实例

Json 文件内容（Ansing 格式 ）：

{
  "blockCount":3,
  "blocks":[
    {"FieldCount":3, "fields":[{"Name":"姓名", "Value":["张三", "张三","张三"]}, {"Name":"地址", "Value":["大庆","大庆","大庆"]}, {"Name":"年龄", "Value":["32", "32","32"]} ] },
    {"FieldCount":3, "fields":[{"Name":"单位", "Value":["华拓", "张三","张三"]}, {"Name":"城市", "Value":["大庆","大庆","大庆"]}, {"Name":"工龄", "Value":["12", "12","12"]} ] },
    {"FieldCount":1, "fields":[{"Name":"单位", "Value":["华拓", "张三","张三"]}]} 
  ]
}


procedure TForm1.btn2Click(Sender: TObject);
var
  js, j1, j2: TDocVariantData;
  str: RawUTF8;
  t, i: Cardinal;
begin
  t := GetTickCount64;
  for i := 1 to 10000 do
  begin
  js.InitJSONFromFile('c:\DataA.json');
  //Caption := j.GetValueByPath(['blockCount']);
  str := DocVariantData(js.GetValueByPath(['blocks'])).value[1];
  // j1.InitJSON(str, JSON_OPTIONS_FAST_STRICTJSON);
  // str := DocVariantData(j1.GetValueByPath(['fields'])).value[1];
  // j2.InitJSON(str, JSON_OPTIONS_FAST_STRICTJSON);
  // Caption := j2.U['Name'] + DocVariantData(j2.GetValueByPath(['Value'])).value[1];
  str := DocVariantData(DocVariantData(js.A['blocks'].Value[1]).A['fields'].Value[1]).A['Value'].Value[1];
  end;
  caption := str;
  str := inttostr(GetTickCount64-t);
  Showmessage(str);
end;