QJson封装

//封装Json格式
     QVariantList people;
     QVariantMap bob;
     bool ok;
     char Respond[1024*1024]={0};
     char  upload_url[ 128 ]= {0};


     foreach (SwitchWidget *tmp, App::Contral_Dev_List)
     {
         //封装Json格式
         bob.insert("nd_device_id",tmp->getDevId());
         bob.insert("cmd_result",tmp->getDevStatus());
         people << bob;
     }

     QJson::Serializer serializer;
     QByteArray json = serializer.serialize(people, &ok);//封装Json格式
     qDebug() << "json:"<<json;