日期格式为C++

这是我的类

#ifndef DATE_H
#define DATE_H
#include <initializer_list>
#include <string>
class Date {
public:
/**
* @brief default constructor
*/
Date();
/**
* @brief constructor with arguments
*/
Date(int t_year, int t_month, int t_day, int t_hour, int t_minute);
/**
* @brief constructor with a string
*/
Date(const std::string &dateString);
/**
* @brief return the year of a Date
* @return   a integer indicate the year of a date
*/
int getYear(void) const;
/**
* @brief set the year of a date
* @param a integer indicate the new year of a date
*/
void setYear(const int t_year);
/**
* @brief return the month of a Date
* @return   a integer indicate the month of a date
*/
int getMonth(void) const;
/**
* @brief set the month of a date
* @param a integer indicate the new month of a date
*/
void setMonth(const int t_month);
/**
* @brief return the day of a Date
* @return   a integer indicate the day of a date
*/
int getDay(void) const;
/**
* @brief set the day of a date
* @param a integer indicate the new day of a date
*/
void setDay(const int t_day);
/**
* @brief return the hour of a Date
* @return   a integer indicate the hour of a date
*/
int getHour(void) const;
/**
* @brief set the hour of a date
* @param a integer indicate the new hour of a date
*/
void setHour(const int t_hour);
/**
* @brief return the minute of a Date
* @return   a integer indicate the minute of a date
*/
int getMinute(void) const;
/**
* @brief set the minute of a date
* @param a integer indicate the new minute of a date
*/
void setMinute(const int t_minute);
/**
*   @brief check whether the date is valid or not
*   @return the bool indicate valid or not
*/
static bool isValid(const Date &t_date);
/**
* @brief convert a string to date, if the format is not correct return
* 0000-00-00/00:00
* @return a date
*/
static Date stringToDate(const std::string &t_dateString);
/**
* @brief convert a date to string, if the date is invalid return
* 0000-00-00/00:00
*/
static std::string dateToString(const Date &t_date);
/**
*  @brief overload the assign operator
*/
Date &operator=(const Date &t_date);
/**
* @brief check whether the CurrentDate is equal to the t_date
*/
bool operator==(const Date &t_date) const;
/**
* @brief check whether the CurrentDate is  greater than the t_date
*/
bool operator>(const Date &t_date) const;
/**
* @brief check whether the CurrentDate is  less than the t_date
*/
bool operator<(const Date &t_date) const;
/**
* @brief check whether the CurrentDate is  greater or equal than the t_date
*/
bool operator>=(const Date &t_date) const;
/**
* @brief check whether the CurrentDate is  less than or equal to the t_date
*/
bool operator<=(const Date &t_date) const;
private:
int m_year;
int m_month;
int m_day;
int m_hour;
int m_minute;
};
#endif  

所以我得到了 3 个构造函数，1(默认 2( 带有参数 3( 带有字符串。

在第三个中，我得到一个格式的日期字符串(示例(：2018-10-25/14：00(即 yy-mm-dd/hh：mm(。所以我需要将这些值存储到我的私有变量(m_year，m_month，m_day，m_hour，m_minute(中。这有点像我需要以某种方式读取这种字符串格式，检测什么是什么并存储它，但是如何？