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Contents
# encoding: utf-8
module DateName
# return the name of `from_date` on the view point of `to_date`
def self.zh from_date, to_date = DateTime.now
from_date = DateTime.parse(from_date) if from_date.is_a?(String)
to_date = DateTime.parse(to_date) if to_date.is_a?(String)
days = (from_date - to_date).to_i
case days
when -3 then "大前天"
when -2 then "前天"
when -1 then "昨天"
when 0 then "今天"
when 1 then "明天"
when 2 then "后天"
when 3 then "大后天"
when -9 .. -4 then "#{(0-days).to_s}天前"
when 4 .. 9 then "#{days.to_s}天后"
else
from_date.year == to_date.year ? from_date.strftime("%m月%d日")
: from_date.strftime("%Y年%m月%d日")
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems