时间，日期的使用（公共方法）

分手后的思念是犯贱 2023-08-17 16:18 63阅读 0赞

1 public class TimeHelper
     2     {
     3         #region 实现发表的时间显示
     4         /// <summary>
     5         /// 实现发表的时间显示为几个月,几天前,几小时前,几分钟前,或几秒前
     6         /// </summary>
     7         /// <param name="time"></param>
     8         /// <returns></returns>
     9         public static string DateStringFromNow(DateTime time)
    10         {
    11             TimeSpan span = DateTime.Now - time;
    12             if (span.TotalDays > 120)
    13             {
    14                 return time.ToShortDateString();
    15             }
    16             else if (span.TotalDays > 90)
    17             {
    18                 return "3个月前";
    19             }
    20             else if (span.TotalDays > 60)
    21             {
    22                 return "2个月前";
    23             }
    24             else if (span.TotalDays > 30)
    25             {
    26                 return "1个月前";
    27             }
    28             else if (span.TotalDays > 14)
    29             {
    30                 return "2周前";
    31             }
    32             else if (span.TotalDays > 7)
    33             {
    34                 return "1周前";
    35             }
    36             else if (span.TotalDays > 1)
    37             {
    38                 return string.Format("{0}天前", (int)Math.Floor(span.TotalDays));
    39             }
    40             else if (span.TotalHours > 1)
    41             {
    42                 return string.Format("{0}小时前", (int)Math.Floor(span.TotalHours));
    43             }
    44             else if (span.TotalMinutes > 1)
    45             {
    46                 return string.Format("{0}分钟前", (int)Math.Floor(span.TotalMinutes));
    47             }
    48             else if (span.TotalSeconds >= 1)
    49             {
    50                 return string.Format("{0}秒前", (int)Math.Floor(span.TotalSeconds));
    51             }
    52             else
    53             {
    54                 return "1秒前";
    55             }
    56         }
    57         #endregion
    58 
    59         #region 根据指定的日期获取当前的星期一日期
    60         /// <summary>
    61         /// 根据指定的日期获取当前的星期一日期
    62         /// </summary>
    63         /// <param name="dateTime"></param>
    64         /// <returns></returns>
    65         public static DateTime GetMondayDate(DateTime dateTime)
    66         {
    67             int dd = Convert.ToInt32(dateTime.DayOfWeek);
    68             if (dd == 0) dd = 7;
    69             return dateTime.AddDays(-dd + 1);
    70         }
    71         #endregion
    72 
    73         #region 获取指定日期获取当前的星期天日期
    74         /// <summary>
    75         /// 获取指定日期获取当前的星期天日期
    76         /// </summary>
    77         /// <param name="dateTime"></param>
    78         /// <returns></returns>
    79         public static DateTime GetSundayDate(DateTime dateTime)
    80         {
    81             return dateTime.AddDays(1 - Convert.ToInt32(dateTime.DayOfWeek.ToString("d"))).AddDays(6);
    82         }
    83         #endregion
    84 
    85         #region 获取两者间的相隔天数
    86         /// <summary>
    87         /// 获取两者间的相隔天数
    88         /// </summary>
    89         /// <param name="beginDate"></param>
    90         /// <param name="endDate"></param>
    91         /// <returns></returns>
    92         public static int GetApartDay(DateTime beginDate, DateTime endDate)
    93         {
    94             TimeSpan span = endDate - beginDate;
    95             return Convert.ToInt32(span.TotalDays);
    96         }
    97         #endregion 
    98 
    99     }

转载于:https://www.cnblogs.com/hugeboke/p/11574964.html