#encoding: utf-8
arr = ['石頭', '剪刀', '布']
win_arr = [['石頭', '剪刀'], ['剪刀', '布'], ['布', '石頭']]
#隨機computer的值，放入result數組中
result = [arr.sample]
while (true)
? puts "請輸入石頭、剪刀、布"
? input_value = gets.force_encoding("GBK").encode("UTF-8").chomp
? if arr.include? input_value
??? result << input_value
??? if result[0] == result[1]
????? puts '平手'
??? elsif win_arr.include? result
????? puts '電腦獲勝'
??? else
????? puts '您獲勝了'
????? break
??? end
? else
??? puts '輸入的值有誤，請輸入石頭、剪刀、布'
??? next
? end
end