module E1508kkKamiyama

Constants

VERSION

Public Class Methods

calc_bmi(height=150, weight=50) click to toggle source

身長と体重を入力して，BMIを出す

# File lib/e1508kk_kamiyama.rb, line 20
def calc_bmi(height=150, weight=50)
        bmi = (weight/(height.to_f/100).to_f)/(height.to_f/100).to_f
        print("あなたのBMI指数は#{sprintf( "%.2f", bmi.to_f )}です")
        # return bmi.to_f
end

calc_day(my_birth="19880113") click to toggle source

年齢から生まれた日の曜日を算出

# File lib/e1508kk_kamiyama.rb, line 26
def calc_day(my_birth="19880113")
        date = Time.local(my_birth[0, 4].to_i,  my_birth[4, 2].to_i,  my_birth[6, 2].to_i)
        wdays = ["日", "月", "火", "水", "木", "金", "土"]

        print("あなたの生まれた日は#{wdays[date.wday]}曜日でした")
end

calc_years(my_birth="19880113") click to toggle source

生年月日と今の年月日から年齢を計算する

# File lib/e1508kk_kamiyama.rb, line 5
def calc_years(my_birth="19880113")
        day = Time.now
        today_year = day.strftime("%Y")
        today = day.strftime("%m%d")
        my_year = my_birth[0, 4]
        my_day = my_birth[4, 4]
        if today.to_i >= my_day.to_i-1 then
                years = (today_year.to_i) - (my_year.to_i) + 1
        else
                years = (today_year.to_i) - (my_year.to_i) 
        end
        print("あなたの年齢は#{years}歳です")
        # return years
end

Private Instance Methods