GPS，UTC和本地时间的显示器

GPS，UTC和本地时间的显示器

GitHub仓库：https://github.com/XinLiGitHub/GpsUtcAndLocalTime

PS：博文不再更新，后续更新会在GitHub仓库进行。

      GPS，UTC和本地时间的显示器。程序中涉及到朱利安日期的转换，详细介绍见维基百科[Julian day](https://en.wikipedia.org/wiki/Julian_day)。

1，开发环境

      1，操作系统：Windows 10 专业版

      2，IDE：Visual Studio 2015 专业版

2，程序源码

      DateTime.h文件

/**************************************************************** * Copyright (C) 2017, XinLi, all right reserved. * File name:    DateTime.h * Date:         2017.10.17 * Description:  Date and time module header file.*****************************************************************/#ifndef __DATETIME_H#define __DATETIME_H/**************************************************************** *                        Header include*****************************************************************//**************************************************************** *                       Macro definition*****************************************************************//**************************************************************** *                       Type definition*****************************************************************//**************************************************************** *                     Structure definition*****************************************************************/typedef struct{  int year;  int month;  int day;  int hour;  int minute;  int second;}DateTime;typedef struct{  int week;  int second;}GpsWeekSecond;#ifdef __cplusplusextern "C" {#endif  /* __cplusplus *//**************************************************************** *                     Variable declaration*****************************************************************//**************************************************************** *                     Function declaration*****************************************************************/DateTime GregorianCalendarDateAddYear(DateTime time, int year);DateTime GregorianCalendarDateAddMonth(DateTime time, int month);DateTime GregorianCalendarDateAddWeek(DateTime time, int week);DateTime GregorianCalendarDateAddDay(DateTime time, int day);DateTime GregorianCalendarDateAddHour(DateTime time, int hour);DateTime GregorianCalendarDateAddMinute(DateTime time, int minute);DateTime GregorianCalendarDateAddSecond(DateTime time, int second);GpsWeekSecond GregorianCalendarDateToGpsWeekSecond(DateTime time);double GregorianCalendarDateToJulianDate(DateTime time);double GregorianCalendarDateToModifiedJulianDate(DateTime time);GpsWeekSecond GpsWeekSecondAddYear(GpsWeekSecond time, int year);GpsWeekSecond GpsWeekSecondAddMonth(GpsWeekSecond time, int month);GpsWeekSecond GpsWeekSecondAddWeek(GpsWeekSecond time, int week);GpsWeekSecond GpsWeekSecondAddDay(GpsWeekSecond time, int day);GpsWeekSecond GpsWeekSecondAddHour(GpsWeekSecond time, int hour);GpsWeekSecond GpsWeekSecondAddMinute(GpsWeekSecond time, int minute);GpsWeekSecond GpsWeekSecondAddSecond(GpsWeekSecond time, int second);DateTime GpsWeekSecondToGregorianCalendarDate(GpsWeekSecond time);double GpsWeekSecondToJulianDate(GpsWeekSecond time);double GpsWeekSecondToModifiedJulianDate(GpsWeekSecond time);double JulianDateAddYear(double jd, int year);double JulianDateAddMonth(double jd, int month);double JulianDateAddWeek(double jd, int week);double JulianDateAddDay(double jd, int day);double JulianDateAddHour(double jd, int hour);double JulianDateAddMinute(double jd, int minute);double JulianDateAddSecond(double jd, int second);DateTime JulianDateToGregorianCalendarDate(double jd);GpsWeekSecond JulianDateToGpsWeekSecond(double jd);double JulianDateToModifiedJulianDate(double jd);double ModifiedJulianDateAddYear(double mjd, int year);double ModifiedJulianDateAddMonth(double mjd, int month);double ModifiedJulianDateAddWeek(double mjd, int week);double ModifiedJulianDateAddDay(double mjd, int day);double ModifiedJulianDateAddHour(double mjd, int hour);double ModifiedJulianDateAddMinute(double mjd, int minute);double ModifiedJulianDateAddSecond(double mjd, int second);DateTime ModifiedJulianDateToGregorianCalendarDate(double mjd);GpsWeekSecond ModifiedJulianDateToGpsWeekSecond(double mjd);double ModifiedJulianDateToJulianDate(double mjd);#ifdef __cplusplus}#endif  /* __cplusplus */#endif  /* __DATETIME_H */

      DateTime.c文件

/**************************************************************** * Copyright (C) 2017, XinLi, all right reserved. * File name:    DateTime.c * Date:         2017.10.17 * Description:  Date and time module source file.*****************************************************************//**************************************************************** *                        Header include*****************************************************************/#include "DateTime.h"/**************************************************************** *                       Global variables*****************************************************************//**************************************************************** *                     Function declaration*****************************************************************//**************************************************************** *                     Function definition*****************************************************************//**************************************************************** * Function:    GregorianCalendarDateAddYear * Description: Gregorian calendar date add year. * Input:       time: Gregorian calendar date. *              year: The number of year to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddYear(DateTime time, int year){  time.year += year;  if(time.month == 2)  {    int mday = 0;    if((((time.year % 4) == 0) && ((time.year % 100) != 0)) || ((time.year % 400) == 0))    {      mday = 29;    }    else    {      mday = 28;    }    if(time.day > mday)    {      time.month += 1;      time.day   -= mday;    }  }  return time;}/**************************************************************** * Function:    GregorianCalendarDateAddMonth * Description: Gregorian calendar date add month. * Input:       time:  Gregorian calendar date. *              month: The number of month to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddMonth(DateTime time, int month){  time.year  += month / 12;  time.month += month % 12;  if(time.month > 12)  {    time.year  += 1;    time.month -= 12;  }  int mday = 0;  if((time.month == 1) || (time.month == 3) || (time.month == 5) || (time.month == 7) ||     (time.month == 8) || (time.month == 10) || (time.month == 12))  {    mday = 31;  }  else if((time.month == 4) || (time.month == 6) || (time.month == 9) || (time.month == 11))  {    mday = 30;  }  else  {    if((((time.year % 4) == 0) && ((time.year % 100) != 0)) || ((time.year % 400) == 0))    {      mday = 29;    }    else    {      mday = 28;    }  }  if(time.day > mday)  {    time.month += 1;    time.day   -= mday;    if(time.month > 12)    {      time.year  += 1;      time.month -= 12;    }  }  return time;}/**************************************************************** * Function:    GregorianCalendarDateAddWeek * Description: Gregorian calendar date add week. * Input:       time: Gregorian calendar date. *              week: The number of week to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddWeek(DateTime time, int week){  double jd = GregorianCalendarDateToJulianDate(time) + week * 7.0;  return JulianDateToGregorianCalendarDate(jd);}/**************************************************************** * Function:    GregorianCalendarDateAddDay * Description: Gregorian calendar date add day. * Input:       time: Gregorian calendar date. *              day:  The number of day to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddDay(DateTime time, int day){  double jd = GregorianCalendarDateToJulianDate(time) + day;  return JulianDateToGregorianCalendarDate(jd);}/**************************************************************** * Function:    GregorianCalendarDateAddHour * Description: Gregorian calendar date add hour. * Input:       time: Gregorian calendar date. *              hour: The number of hour to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddHour(DateTime time, int hour){  time.hour += hour;  double jd = GregorianCalendarDateToJulianDate(time);  return JulianDateToGregorianCalendarDate(jd);}/**************************************************************** * Function:    GregorianCalendarDateAddMinute * Description: Gregorian calendar date add minute. * Input:       time:   Gregorian calendar date. *              minute: The number of minute to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddMinute(DateTime time, int minute){  time.minute += minute;  double jd = GregorianCalendarDateToJulianDate(time);  return JulianDateToGregorianCalendarDate(jd);}/**************************************************************** * Function:    GregorianCalendarDateAddSecond * Description: Gregorian calendar date add second. * Input:       time:   Gregorian calendar date. *              second: The number of seconds to add. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GregorianCalendarDateAddSecond(DateTime time, int second){  time.second += second;  double jd = GregorianCalendarDateToJulianDate(time);  return JulianDateToGregorianCalendarDate(jd);}/**************************************************************** * Function:    GregorianCalendarDateToGpsWeekSecond * Description: Gregorian calendar date to gps week and second. * Input:       time: Gregorian calendar date. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GregorianCalendarDateToGpsWeekSecond(DateTime time){  double jd = GregorianCalendarDateToJulianDate(time);  return JulianDateToGpsWeekSecond(jd);}/**************************************************************** * Function:    GregorianCalendarDateToJulianDate * Description: Gregorian calendar date to julian date. * Input:       time: Gregorian calendar date. * Output: * Return:      Julian date.*****************************************************************/double GregorianCalendarDateToJulianDate(DateTime time){  int jdn = (1461 * (time.year + 4800 + (time.month - 14) / 12)) / 4          + (367 * (time.month - 2 - 12 * ((time.month - 14) / 12))) / 12          - (3 * ((time.year + 4900 + (time.month - 14) / 12) / 100)) / 4          + time.day - 32075;  double jd = jdn + ((time.hour - 12) * 3600.0 + time.minute * 60.0 + time.second) / 86400.0;  return jd;}/**************************************************************** * Function:    GregorianCalendarDateToModifiedJulianDate * Description: Gregorian calendar date to modified julian date. * Input:       time: Gregorian calendar date. * Output: * Return:      Modified julian date.*****************************************************************/double GregorianCalendarDateToModifiedJulianDate(DateTime time){  return GregorianCalendarDateToJulianDate(time) - 2400000.5;}/**************************************************************** * Function:    GpsWeekSecondAddYear * Description: Gps week and second add year. * Input:       time: Gps week and second. *              year: The number of year to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddYear(GpsWeekSecond time, int year){  DateTime date = GpsWeekSecondToGregorianCalendarDate(time);  date = GregorianCalendarDateAddYear(date, year);  return GregorianCalendarDateToGpsWeekSecond(date);}/**************************************************************** * Function:    GpsWeekSecondAddMonth * Description: Gps week and second add month. * Input:       time:  Gps week and second. *              month: The number of month to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddMonth(GpsWeekSecond time, int month){  DateTime date = GpsWeekSecondToGregorianCalendarDate(time);  date = GregorianCalendarDateAddMonth(date, month);  return GregorianCalendarDateToGpsWeekSecond(date);}/**************************************************************** * Function:    GpsWeekSecondAddWeek * Description: Gps week and second add week. * Input:       time: Gps week and second. *              week: The number of week to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddWeek(GpsWeekSecond time, int week){  time.week += week;  return time;}/**************************************************************** * Function:    GpsWeekSecondAddDay * Description: Gps week and second add day. * Input:       time: Gps week and second. *              day:  The number of day to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddDay(GpsWeekSecond time, int day){  time.week   += day / 7;  time.second += day % 7 * 86400;  if(time.second > 604799)  {    time.week   += 1;    time.second -= 604800;  }  return time;}/**************************************************************** * Function:    GpsWeekSecondAddHour * Description: Gps week and second add hour. * Input:       time: Gps week and second. *              hour: The number of hour to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddHour(GpsWeekSecond time, int hour){  time.week   += hour / 168;  time.second += hour % 168 * 3600;  if(time.second > 604799)  {    time.week   += 1;    time.second -= 604800;  }    return time;}/**************************************************************** * Function:    GpsWeekSecondAddMinute * Description: Gps week and second add minute. * Input:       time:   Gps week and second. *              minute: The number of minute to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddMinute(GpsWeekSecond time, int minute){  time.week   += minute / 10080;  time.second += minute % 10080 * 60;    if(time.second > 604799)  {    time.week   += 1;    time.second -= 604800;  }    return time;}/**************************************************************** * Function:    GpsWeekSecondAddSecond * Description: Gps week and second add second. * Input:       time:   Gps week and second. *              second: The number of second to add. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond GpsWeekSecondAddSecond(GpsWeekSecond time, int second){  time.week   += second / 604800;  time.second += second % 604800;  if(time.second > 604799)  {    time.week   += 1;    time.second -= 604800;  }    return time;}/**************************************************************** * Function:    GpsWeekSecondToGregorianCalendarDate * Description: Gps week and second to gregorian calendar date. * Input:       time: Gps week and second. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime GpsWeekSecondToGregorianCalendarDate(GpsWeekSecond time){  double jd = GpsWeekSecondToJulianDate(time);  return JulianDateToGregorianCalendarDate(jd);}/**************************************************************** * Function:    GpsWeekSecondToJulianDate * Description: Gps week and second to julian date. * Input:       time: Gps week and second. * Output: * Return:      Julian date.*****************************************************************/double GpsWeekSecondToJulianDate(GpsWeekSecond time){  double jd = 2444244.5 + time.week * 7.0 + time.second / 86400.0;  return jd;}/**************************************************************** * Function:    GpsWeekSecondToModifiedJulianDate * Description: Gps week and second to modified julian date. * Input:       time: Gps week and second. * Output: * Return:      Modified julian date.*****************************************************************/double GpsWeekSecondToModifiedJulianDate(GpsWeekSecond time){  return GpsWeekSecondToJulianDate(time) - 2400000.5;}/**************************************************************** * Function:    JulianDateAddYear * Description: Julian date add year. * Input:       jd:   Julian date. *              year: The number of year to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddYear(double jd, int year){  DateTime date = JulianDateToGregorianCalendarDate(jd);  date = GregorianCalendarDateAddYear(date, year);  return GregorianCalendarDateToJulianDate(date);}/**************************************************************** * Function:    JulianDateAddMonth * Description: Julian date add month. * Input:       jd:    Julian date. *              month: The number of month to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddMonth(double jd, int month){  DateTime date = JulianDateToGregorianCalendarDate(jd);  date = GregorianCalendarDateAddMonth(date, month);  return GregorianCalendarDateToJulianDate(date);}/**************************************************************** * Function:    JulianDateAddWeek * Description: Julian date add week. * Input:       jd:   Julian date. *              week: The number of week to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddWeek(double jd, int week){  jd += week * 7.0;  return jd;}/**************************************************************** * Function:    JulianDateAddDay * Description: Julian date add day. * Input:       jd:  Julian date. *              day: The number of day to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddDay(double jd, int day){  jd += day;  return jd;}/**************************************************************** * Function:    JulianDateAddHour * Description: Julian date add hour. * Input:       jd:   Julian date. *              hour: The number of hour to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddHour(double jd, int hour){  jd += hour / 24.0;  return jd;}/**************************************************************** * Function:    JulianDateAddMinute * Description: Julian date add minute. * Input:       jd:     Julian date. *              minute: The number of minute to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddMinute(double jd, int minute){  jd += minute / 1440.0;  return jd;}/**************************************************************** * Function:    JulianDateAddSecond * Description: Julian date add second. * Input:       jd:     Julian date. *              second: The number of second to add. * Output: * Return:      Julian date.*****************************************************************/double JulianDateAddSecond(double jd, int second){  jd += second / 86400.0;  return jd;}/**************************************************************** * Function:    JulianDateToGregorianCalendarDate * Description: Julian date to gregorian calendar date. * Input:       jd: Julian date. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime JulianDateToGregorianCalendarDate(double jd){  int y = 4716;  int j = 1401;  int m = 2;  int n = 12;  int r = 4;  int p = 1461;  int v = 3;  int u = 5;  int s = 153;  int w = 2;  int b = 274277;  int c = -38;  int jdn = (int)(jd + 0.5);  int f   = jdn + j + (((4 * jdn + b) / 146097) * 3) / 4 + c;  int e   = r * f + v;  int g   = (e % p) / r;  int h   = u * g + w;  DateTime time = {0};  time.day    = (h % s) / u + 1;  time.month  = (h / s + m) % n + 1;  time.year   = e / p - y + (n + m - time.month) / n;  time.hour   = (int)((jd + 0.5 - jdn) * 86400.5) / 3600;  time.minute = (int)((jd + 0.5 - jdn) * 86400.5 - time.hour * 3600) / 60;  time.second = (int)((jd + 0.5 - jdn) * 86400.5 - time.hour * 3600 - time.minute * 60);  return time;}/**************************************************************** * Function:    JulianDateToGpsWeekSecond * Description: Julian date to gps week and second. * Input:       jd: Julian date. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond JulianDateToGpsWeekSecond(double jd){  GpsWeekSecond time = {0};  DateTime      date = JulianDateToGregorianCalendarDate(jd);  time.week   = (int)(jd - 2444244.5) / 7;  time.second = ((int)(jd - 2444244.5) - time.week * 7) * 86400 + date.hour * 3600 + date.minute * 60 + date.second;  return time;}/**************************************************************** * Function:    JulianDateToModifiedJulianDate * Description: Julian date to modified julian date. * Input:       jd: Julian date. * Output: * Return:      Modified julian date.*****************************************************************/double JulianDateToModifiedJulianDate(double jd){  double mjd = jd - 2400000.5;  return mjd;}/**************************************************************** * Function:    ModifiedJulianDateAddYear * Description: Modified julian date add year. * Input:       mjd:  Modified julian date. *              year: The number of year to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddYear(double mjd, int year){  DateTime date = ModifiedJulianDateToGregorianCalendarDate(mjd);  date = GregorianCalendarDateAddYear(date, year);  return GregorianCalendarDateToModifiedJulianDate(date);}/**************************************************************** * Function:    ModifiedJulianDateAddMonth * Description: Modified julian date add month. * Input:       mjd:   Modified julian date. *              month: The number of month to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddMonth(double mjd, int month){  DateTime date = ModifiedJulianDateToGregorianCalendarDate(mjd);  date = GregorianCalendarDateAddMonth(date, month);  return GregorianCalendarDateToModifiedJulianDate(date);}/**************************************************************** * Function:    ModifiedJulianDateAddWeek * Description: Modified julian date add week. * Input:       mjd:  Modified julian date. *              week: The number of week to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddWeek(double mjd, int week){  mjd += week * 7.0;  return mjd;}/**************************************************************** * Function:    ModifiedJulianDateAddDay * Description: Modified julian date add day. * Input:       mjd: Modified julian date. *              day: The number of day to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddDay(double mjd, int day){  mjd += day;  return mjd;}/**************************************************************** * Function:    ModifiedJulianDateAddHour * Description: Modified julian date add hour. * Input:       mjd:  Modified julian date. *              hour: The number of hour to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddHour(double mjd, int hour){  mjd += hour / 24.0;  return mjd;}/**************************************************************** * Function:    ModifiedJulianDateAddMinute * Description: Modified julian date add minute. * Input:       mjd:    Modified julian date. *              minute: The number of minute to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddMinute(double mjd, int minute){  mjd += minute / 1440.0;  return mjd;}/**************************************************************** * Function:    ModifiedJulianDateAddSecond * Description: Modified julian date add second. * Input:       mjd:    Modified julian date. *              second: The number of second to add. * Output: * Return:      Modified julian date.*****************************************************************/double ModifiedJulianDateAddSecond(double mjd, int second){  mjd += second / 86400.0;  return mjd;}/**************************************************************** * Function:    ModifiedJulianDateToGregorianCalendarDate * Description: Modified julian date to gregorian calendar date. * Input:       mjd: Modified julian date. * Output: * Return:      Gregorian calendar date.*****************************************************************/DateTime ModifiedJulianDateToGregorianCalendarDate(double mjd){  return JulianDateToGregorianCalendarDate(mjd + 2400000.5);}/**************************************************************** * Function:    ModifiedJulianDateToGpsWeekSecond * Description: Modified julian date to gps week and second. * Input:       mjd: Modified julian date. * Output: * Return:      Gps week and second.*****************************************************************/GpsWeekSecond ModifiedJulianDateToGpsWeekSecond(double mjd){  return JulianDateToGpsWeekSecond(mjd + 2400000.5);}/**************************************************************** * Function:    ModifiedJulianDateToJulianDate * Description: Modified julian date to julian date. * Input:       mjd: Modified julian date. * Output: * Return:      Julian date.*****************************************************************/double ModifiedJulianDateToJulianDate(double mjd){  double jd = mjd + 2400000.5;  return jd;}

      main.c文件

/**************************************************************** * Copyright (C) 2017, XinLi, all right reserved. * File name:    main.c * Date:         2017.10.17 * Description:  GPS, UTC and local time displays.*****************************************************************//**************************************************************** *                        Header include*****************************************************************/#include "DateTime.h"#include <stdint.h>#include <stdio.h>#include <time.h>#include <windows.h>/**************************************************************** *                       Global variables*****************************************************************//**************************************************************** *                     Function declaration*****************************************************************/static void gotoxy(int x, int y);/**************************************************************** *                     Function definition*****************************************************************//**************************************************************** * Function:    main * Description: Program entry. * Input: * Output: * Return:*****************************************************************/int main(void){  for(;;)  {    time_t        times     = 0;    double        mjd       = 0.0;    DateTime      utctime   = {.year = 1970, .month = 1, .day = 1, .hour = 0, .minute = 0, .second = 0};    DateTime      localtime = {.year = 1970, .month = 1, .day = 1, .hour = 8, .minute = 0, .second = 0};    DateTime      gpstime   = {.year = 1970, .month = 1, .day = 1, .hour = 0, .minute = 0, .second = 0};    GpsWeekSecond gpstimews = {0};    time(×);    if(times > INT32_MAX)    {      utctime = GregorianCalendarDateAddSecond(utctime, INT32_MAX);      utctime = GregorianCalendarDateAddSecond(utctime, (int)(times - INT32_MAX));    }    else    {      utctime = GregorianCalendarDateAddSecond(utctime, (int)times);    }    mjd       = GregorianCalendarDateToModifiedJulianDate(utctime);    localtime = GregorianCalendarDateAddHour(utctime, 8);    gpstime   = GregorianCalendarDateAddSecond(utctime, 18);    gpstimews = GregorianCalendarDateToGpsWeekSecond(gpstime);    gotoxy(0, 0);    printf("Local | %d-%.2d-%.2d %.2d:%.2d:%.2d | timezone UTC+8\n",           localtime.year, localtime.month, localtime.day,           localtime.hour, localtime.minute, localtime.second);    printf("UTC   | %d-%.2d-%.2d %.2d:%.2d:%.2d | MJD %.5f\n",           utctime.year, utctime.month, utctime.day,           utctime.hour, utctime.minute, utctime.second,           mjd);    printf("GPS   | %d-%.2d-%.2d %.2d:%.2d:%.2d | week %d %d s\n",           gpstime.year, gpstime.month, gpstime.day,           gpstime.hour, gpstime.minute, gpstime.second,           gpstimews.week, gpstimews.second);    Sleep(100);  }}/**************************************************************** * Function:    gotoxy * Description: Move the cursor to the specified position on the text screen. * Input:       x: X axis coordinates. *              y: Y axis coordinates. * Output: * Return:*****************************************************************/static void gotoxy(int x, int y){  COORD  pos  = {x, y};  HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);  SetConsoleCursorPosition(hOut, pos);}

3，运行效果