时间&日期

##MyTime.hpp

#pragma once
#include <iostream>
#include <ctime>
#include <string>

using namespace std;

class MyTime
{
public:
	MyTime() {};
	~MyTime() {};

	time_t timeSec(void);
	uint64_t timeMs(void);
	string timeDate(void);
};

##MyTime.cpp

#include "MyTime.hpp"
#include <sys/timeb.h>

time_t MyTime::timeSec(void)
{
	return time(NULL);
}

uint64_t MyTime::timeMs(void)
{
	timeb now;
	ftime(&now);
	return (now.time * 1000 + now.millitm);
}
//# 注：Linux下使用gettimeofday()函数获取后计算实现
/*
#include<sys/time.h>

struct timeval tv;
gettimeofday(&tv,NULL);

tv.tv_sec*1000 + tv.tv_usec/1000;
*/

string MyTime::timeDate(void)
{
	time_t now = time(NULL);
	struct tm ltm;
	localtime_s(&ltm, &now);

	int year = 1900 + ltm.tm_year;
	int mon = 1 + ltm.tm_mon;
	int mday = ltm.tm_mday;
	int hour = ltm.tm_hour;
	int min = ltm.tm_min;
	int sec = ltm.tm_sec;
	string timeDate = to_string(year) + "-" + to_string(mon) + "-" + to_string(mday) + " " +
		to_string(hour) + ":" + to_string(min) + ":" + to_string(sec);

	return timeDate;
}

##测试函数

void test_time(void)
{
    MyTime myTime;
    cout << myTime.timeSec() << endl;
    cout << myTime.timeMs() << endl;
    cout << myTime.timeDate() << endl;
}

##测试结果截图