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  • 给定日期转换成周数

     1 DayOfWeek dy = (Convert.ToDateTime(string.Format("{0}-1-1 0:0:0", DateTime.Now.Year.ToString()))).DayOfWeek;
     2             int j=0;
     3             switch(dy)
     4             {
     5                 case DayOfWeek.Sunday:
     6                     j=0;
     7                     break;
     8                 case DayOfWeek.Monday:
     9                     j = 1;
    10                     break;
    11                 case DayOfWeek.Tuesday:
    12                     j = 2;
    13                     break;
    14                 case DayOfWeek.Wednesday:
    15                     j = 3;
    16                     break;
    17                 case DayOfWeek.Thursday:
    18                     j = 4;
    19                     break;
    20                 case DayOfWeek.Friday:
    21                     j = 5;
    22                     break;
    23                 case DayOfWeek.Saturday:
    24                     j = 6;
    25                     break;
    26 
    27             }
    28             int i = (DateTime.Now.DayOfYear+j)/7+1;
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  • 原文地址:https://www.cnblogs.com/tonybinlj/p/1326243.html
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