1 dangranusing System; 2 using System.Collections.Generic; 3 using System.Text; 4  5 namespace WWFramework.DateTimes 6 { 7     /// <summary> 8     /// 时间相关函数 9     /// </summary>10     public static class Function11     {12         /// <summary>13         /// 将Unix时间戳转换为DateTime类型时间14         /// </summary>15         /// <param name="d">double 型数字</param>16         /// <returns>DateTime</returns>17         public static System.DateTime ConvertIntDateTime(double d)18         {19             System.DateTime time = System.DateTime.MinValue;20             System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));21             time = startTime.AddSeconds(d);22             return time;23         }24 25         /// <summary>26         /// 将c# DateTime时间格式转换为Unix时间戳格式27         /// </summary>28         /// <param name="time">时间</param>29         /// <returns>double</returns>30         public static double ConvertDateTimeInt(System.DateTime time)31         {32             double intResult = 0;33             System.DateTime startTime = TimeZone.CurrentTimeZone.ToLocalTime(new System.DateTime(1970, 1, 1));34             intResult = (time - startTime).TotalSeconds;35             return intResult;36         }37     }38 }

  1 struct tm  2 {  3         uint32     tm_sec;         /* seconds after the minute - [0, 59]   */  4         uint32     tm_min;         /* minutes after the hour - [0, 59]     */  5         uint32     tm_hour;        /* hours since midnight - [0, 23]       */  6         uint32     tm_mday;        /* day of the month - [1, 31]           */  7         uint32     tm_mon;         /* months since January - [0, 11]       */  8         uint32     tm_year;        /* year since 1900                      */  9         uint32     tm_wday;        /* days since Sunday - [0, 6]           */ 10         uint32     tm_yday;        /* days since January 1 - [0, 365]      */ 11         uint32     tm_isdst;       /* Daylight Saving Time flag            */ 12 }; 13 tm  time; 14 void localtime_h(uint32 time, struct tm *ret_time) 15 { 16     static const char month_days[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; 17     static const char leap_year[4] = {0, 0, 1, 0}; 18     uint32 j = 0; 19     uint32 day_count = 0; 20     uint32 i = 0; 21     uint32 leave_for_fouryear = 0; 22     uint32 four_year_count = 0; 23     uint32 temp_value = http://www.mamicode.com/0; 24     uint32 leave_for_year_days; 25     uint32 leave_for_month_days; 26     //time=time-28800; 27     ret_time->tm_sec = 0; 28     ret_time->tm_min = 0; 29     ret_time->tm_hour = 0; 30     ret_time->tm_wday = 0; 31     ret_time->tm_year = 0; 32     ret_time->tm_mday = 0; 33     ret_time->tm_mon = 0; 34     ret_time->tm_sec = time % 60; 35     temp_value = http://www.mamicode.com/time / 60; 36     ret_time->tm_min = temp_value % 60; 37     temp_value /= 60;  38     temp_value += 8; 39     ret_time->tm_hour = temp_value % 24; 40     temp_value /= 24; 41     ret_time->tm_wday = (temp_value + 4) % 7; 42     four_year_count = temp_value / (365 * 4 + 1); 43     leave_for_fouryear = temp_value % (365 * 4 + 1); 44     leave_for_year_days = leave_for_fouryear;  45    for (i = 0; i < 4; i++) 46    {         47         day_count = leap_year[i] ? 366 : 365; 48          49         if (leave_for_year_days <= day_count) 50         { 51             break; 52         } 53         else 54         { 55             leave_for_year_days -= day_count; 56         } 57    } 58     ret_time->tm_year = four_year_count * 4 + i ; 59     ret_time->tm_yday = leave_for_year_days; 60     leave_for_month_days = leave_for_year_days; 61    for (j = 0; j < 12; j++) 62    { 63        if (((leap_year[i])) && (j == 1)) 64        { 65            if (leave_for_month_days <= 29) 66            { 67                break; 68            } 69            else if (leave_for_month_days == 29) 70            { 71                i++; 72                leave_for_month_days = 0; 73                break; 74            } 75            else 76            { 77                leave_for_month_days -= 29; 78            } 79             80            continue;     81        } 82                 83        if (leave_for_month_days < month_days[j]) 84        { 85            break; 86        } 87        else if(leave_for_month_days == month_days[j]){ 88            i++; 89            leave_for_month_days = 0; 90            break; 91        } 92        else 93        { 94            leave_for_month_days -= month_days[j]; 95        }                 96    } 97    ret_time->tm_mday = leave_for_month_days + 1; 98    ret_time->tm_mon = j; 99 }100 void ConvSecTimeToCalendar(struct tm *t_tm,uint32 t)101 {102     t=(t>=28800)?(t-28800):t;103     localtime_h(t,t_tm);104     t_tm->tm_year +=1970;105     t_tm->tm_mon +=1;106 }