qt_demoe/tool/keydemo/appkey.h

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#ifndef APPKEY_H
#define APPKEY_H
#include <QObject>
#include <QDateTime>
class QTimer;
class AppKey : public QObject
{
Q_OBJECT
public:
static AppKey *Instance();
explicit AppKey(QObject *parent = 0);
private:
static AppKey *self;
QString keyData; //注册码密文
bool keyUseDate; //是否启用运行日期时间限制
QString keyDate; //到期时间字符串
bool keyUseRun; //是否启用可运行时间限制
int keyRun; //可运行时间
bool keyUseCount; //是否启用设备数量限制
int keyCount; //设备限制数量
QTimer *timer; //定时器判断是否运行超时
QDateTime startTime; //程序启动时间
private slots:
void checkTime();
QString getXorEncryptDecrypt(const QString &data, char key);
public slots:
void start();
void stop();
bool checkCount(int count);
};
#endif // APPKEY_H