#encoding: utf-8 arr = ['石头', '剪刀', '布'] win_arr = [['石头', '剪刀'], ['剪刀', '布'], ['布', '石头']] #随机computer的值，放入result数组中 result = [arr.sample] while (true)   puts "请输入石头、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 '电脑获胜'     else       puts '您获胜了'       break     end   else     puts '输入的值有误，请输入石头、剪刀、布'     next   end end