[C Code] UTC时间转换到北京时间

void UTCToChina(void)

     {
     ChinaYear = UTCYear;
     ChinaMonth = UTCMonth;
     ChinaDay = UTCDay;
     ChinaSeconds = UTCSeconds;
     ChinaMinutes = UTCMinutes;
     ChinaHour = UTCHour+8;
     if (ChinaHour>23)
        {
        ChinaHour-=24;
        ChinaDay++;
        switch (ChinaMonth)
               {
               case 1:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                    break;
               case 2:
                    if ((0==ChinaYear%4 && 0!=ChinaYear%100) || 0==ChinaYear%400)
                       {
                       if (ChinaDay>29)
                          {
                          ChinaDay=1;
                          ChinaMonth++;
                          }
                       }
                    else
                       {
                       if (ChinaDay>28)
                          {
                          ChinaDay=1;
                          ChinaMonth++;
                          }
                       }
                   break;
               case 3:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 4:
                    if (ChinaDay>30)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                    break;
               case 5:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 6:
                    if (ChinaDay>30)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 7:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 8:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                    break;
               case 9:
                    if (ChinaDay>30)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 10:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 11:
                    if (ChinaDay>30)
                       {
                       ChinaDay=1;
                       ChinaMonth++;
                       }
                   break;
               case 12:
                    if (ChinaDay>31)
                       {
                       ChinaDay=1;
                       ChinaMonth=1;
                       ChinaYear++;
                       }
                    break;
               default:break;
               }
        }
     }