/// <summary>
/// 根据日期获取名称(只判断日期)
/// </summary>
/// <param name="start">开始日期</param>
/// <param name="end">结束日期</param>
/// <returns></returns>
public static string nameWithDateRange(DateTime start, DateTime end)
{
DateRangeAttribute attribute = attributeWithDateRange(start, end);
if (attribute != null)
{
return(attribute.name);
}
return("Custom");
}
/// <summary>
/// 根据日期区间获取显示值(只判断日期)
/// </summary>
/// <param name="start">开始日期</param>
/// <param name="end">结束日期</param>
/// <returns></returns>
public static string displayWithDateRange(DateTime start, DateTime end)
{
DateRangeAttribute attribute = attributeWithDateRange(start, end);
if (attribute != null)
{
return(attribute.display);
}
return("自定义");
}
/// <summary>
/// 根据显示值获取日期区间
/// </summary>
/// <param name="display">显示值</param>
/// <param name="current">当前日期(结束日期)</param>
/// <param name="start">输出开始日期</param>
/// <param name="end">输出结束日期</param>
public static void dateRangeWithDisplay(string display, DateTime current, out DateTime start, out DateTime end)
{
DateRangeAttribute attribute = attributeWithDisplay(display);
start = DateTimeUtil.defaultTime();
end = DateTimeUtil.defaultTime();
if (attribute != null)
{
attribute.getDateRange(current, out start, out end);
}
}
/// <summary>
/// 根据日期区间获取Attribute(只判断日期)
/// </summary>
/// <param name="start">开始日期</param>
/// <param name="end">结束日期</param>
/// <returns></returns>
public static DateRangeAttribute attributeWithDateRange(DateTime start, DateTime end)
{
DateRangeAttribute custom = null;
foreach (DateRangeAttribute attribute in attributes)
{
if (attribute.range_value < 0)
{
continue;
}
if (attribute.range_value == 0)
{
custom = attribute;
continue;
}
switch (attribute.range_type)
{
case DateFieldType.Day:
default:
if (start.Date.AddDays(attribute.range_value).AddMilliseconds(-1).Date == end.Date)
{
return(attribute);
}
break;
case DateFieldType.Month:
if (start.Date.AddMonths(attribute.range_value).AddMilliseconds(-1).Date == end.Date)
{
return(attribute);
}
break;
case DateFieldType.Year:
if (start.Date.AddYears(attribute.range_value).AddMilliseconds(-1).Date == end.Date)
{
return(attribute);
}
break;
}
}
return(custom);
}
