시스템 시간

• 필요한 헤더 파일

  #include "utils/TimeHelper.h"
  

• tm 구조체의 각 변수에 대한 설명

  struct tm {
      int tm_sec; /* second - the value range is [0,59] */
      int tm_min; /* minute - the value range is [0,59] */
      int tm_hour; /* hour - the value range is [0,23] */
      int tm_mday; /* Day of the month - the value range is[1,31] */
      int tm_mon; /* Month (starting from January, 0 means January) - the value range is[0,11] */
      int tm_year; /* Year, the value starts from 1900 */
      ...
  }
  

• 현재 날짜 및 시간 가져오기

  struct tm *t = TimeHelper::getDateTime();
  

• 시간 표시 예제

  static void updateUI_time() {
      char timeStr[20];
      static bool bflash = false;
      struct tm *t = TimeHelper::getDateTime();
  
      sprintf(timeStr, "%02d:%02d:%02d", t->tm_hour,t->tm_min,t->tm_sec);
      mTextTimePtr->setText(timeStr); // Pay attention to modify the control name
  
      sprintf(timeStr, "%d / %02d / %02d", 1900 + t->tm_year, t->tm_mon + 1, t->tm_mday);
      mTextDatePtr->setText(timeStr); // Pay attention to modify the control name
  
      static const char *day[] = { "Sun.", "Mon.", "Tue.", "Wed.", "Thu.", "Friu", "Sat." };
      sprintf(timeStr, "day of the week %s", day[t->tm_wday]);
      mTextWeekPtr->setText(timeStr); // Pay attention to modify the control name
  }
  

• 시간 설정 예제

  // Use tm structure to set time
  static void setSystemTime() {
        struct tm t;
      t.tm_year = 2017 - 1900;
      t.tm_mon = 9 - 1;
      t.tm_mday = 13;
      t.tm_hour = 16;
      t.tm_min = 0;
      t.tm_sec = 0;
  
      TimeHelper::setDateTime(&t);
  }
  
  // Or set the time with a string  date str format: 2017-09-13 16:00:00
  TimeHelper::setDateTime("2017-09-13 16:00:00");
  

더 자세한 내용은 Sample Code를 참고하십시오.