api.h
#ifndef API_H
#define API_H
typedef void (*ReqCallBack)(QByteArray data);//声明函数指针类型
#endif // API_H
HttpThread.h
#ifndef HTTPTHREAD_H
#define HTTPTHREAD_H
#include "utils/api.h"
class HttpThread : public QThread{
Q_OBJECT
public:
ReqCallBack mReqCallBack;
#endif // HTTPTHREAD_H