结构体解析数据

#include <QJsonParseError>
#include <QVariantMap>
#include <QJsonObject>
#include <QJsonArray>
#include <QApplication>
#include <iostream>

template <class T>
class Integer
{
public:
  Integer( T data ) noexcept
    : m_hData( uint32_t( data ) >> 16 )
    , m_lData( data & 0xFFFF )
  {
  }
  operator T() const noexcept
  {
    return static_cast<T>( m_hData << 16 | m_lData );
  }
  uint16_t getHData() const noexcept
  {
    return m_hData;
  }
  uint16_t getLData() const noexcept
  {
    return m_lData;
  }
private:
  uint16_t m_hData;
  uint16_t m_lData;
};

typedef Integer<uint32_t> UInt32;
typedef Integer<int32_t> Int32;
typedef struct
{
  uint16_t result;
  uint16_t loginNodeId;
  uint32_t x;
  uint32_t y;
} LoginResponseInfo, * LoginResponseInfoPtr;

typedef struct
{
  uint16_t comandId;
  uint16_t taskState;  //1 idle 2 busy
  uint16_t startNodeId;
  uint16_t targetNodeId;
  uint16_t currentNodeId;
  Int32 x = 0;
  Int32 y = 0;
  uint16_t isToLearn;
  int16_t learnParam;
  uint16_t angle;
  uint16_t speed;
  UInt32 mileage = 0;
  uint16_t runLength;
  uint16_t energy;
  UInt32 exceptionA = 0;
  UInt32 exceptionB = 0;
  UInt32 exceptionC = 0;
  uint16_t isLoad;  // 1 有载 2 无载
  UInt32 actionStatus = 0;
  uint16_t isAuto;
  uint16_t isPause; // 1暂停 2 正常
  uint16_t remained[2];
} AgvStateInfo;
typedef struct
{
  uint16_t comandId;
  uint16_t taskState;  //1 idle 2 busy
  uint16_t startNodeId;
  uint16_t targetNodeId;
  uint16_t currentNodeId;
  Int32 x;
  Int32 y;
  uint16_t isToLearn;
  int16_t learnParam;
  uint16_t angle;
  uint16_t speed;
  UInt32 mileage;
  uint16_t runLength;
  uint16_t energy;
  UInt32 exceptionA;
  UInt32 exceptionB;
  UInt32 exceptionC;
  uint16_t isLoad;  // 1 有载 2 无载
  UInt32 actionStatus;
  uint16_t isAuto;
  uint16_t isPause; // 1暂停 2 正常
  uint16_t remained[2];
}* RecieveStateInfoPtr;

int main( int argc, char* argv[] )
{
  QApplication a( argc, argv );

  RecieveStateInfoPtr agv_state;
  agv_state->comandId = 111;
  agv_state->taskState = 1;
  agv_state->startNodeId = 2100;
  agv_state->targetNodeId = 2350;
  agv_state->currentNodeId = 2166;
  agv_state->x = 481;
  agv_state->y = 1100;
  agv_state->isToLearn = 0;
  agv_state->learnParam = 0;
  agv_state->angle = 2000;
  agv_state->speed = 120;
  agv_state->mileage = 100000;
  agv_state->runLength = 3000;
  agv_state->energy = 98;
  agv_state->exceptionA = 111;
  agv_state->exceptionB = 222;
  agv_state->exceptionC = 333;
  agv_state->isLoad = 1;
  agv_state->actionStatus = 444;
  agv_state->isAuto = 1;
  agv_state->isPause = 0;
  agv_state->remained[0] = 0;
  agv_state->remained[1] = 0;

  RecieveStateInfoPtr zx = agv_state;
  quint16* content = new quint16[30]();
  content = reinterpret_cast<quint16*>( agv_state );
  for ( int i = 0; i < 30; i++ )
  {
    std::cout << i << ": " << content[i] << std::endl;
  }
  int tmp_speed = content[12];
  int tmp_energy = content[16];
  RecieveStateInfoPtr recieve_state = reinterpret_cast<RecieveStateInfoPtr>( content );
  int x = recieve_state->x;
  int y = recieve_state->y;
  int energy = recieve_state->energy;
  return a.exec();
}