Best of Ruby Quiz 之四 Animal Quiz之我的答案
终于完全靠我自己的思考,做出来一个quiz,就是第四个Animal Quiz,代码贴一下,笔记稍后放出。
1class AnimalQuiz
2 @@animals = Array.new # 用来保存问题和答案的数组,每个数组元素又是一个数组,
3 # [["cat", "Is it cute?", "y"], ["dog", "does it bark?","y"] ]
4
5 def AnimalQuiz.add_animal(animal)
6 @@animals.push(animal)
7 end
8
9
10 def self.do_quiz
11 match_animal = ""
12 @@animals.each do |animal|
13 puts animal[1] # 提问题
14 s = gets
15 if s.chomp! == animal[2] # 答案是否与数组中给定的答案匹配
16 puts "is it " + animal[0] + "?" # 匹配的情况,询问是否是当前数组元素中的动物
17 if get_yes_or_no=="y" # 读取输入,是当前数组元素中的动物
18 match_animal = animal[0] # 取出动物
19 break
20 end
21 else # 答案不匹配,向下一个数组元素中的问题进发
22 next
23 end
24 end
25 if match_animal.empty? # 循环完毕,没有找到答案
26 puts "you win, what animal do u think of?" # 向数组中累积问题
27 user_animal = Array.new
28 user_animal << gets.chomp!
29 puts "give me a question"
30 user_animal << gets.chomp!
31 puts "what is your answer to this question?(y or n)"
32 user_animal << gets.chomp!
33 add_animal(user_animal)
34 puts "thanks"
35 else
36 puts "i win," # 找到动物
37 end
38 end
39
40 def self.go
41 puts "Think of an animal"
42 puts "is it an elephant?" # 对大象特殊处理
43 if get_yes_or_no != "y" # 不是大象,开始处理
44 do_quiz
45 end
46 while wanna_play_again? =="y" # 是大象,询问是否想继续
47 puts "Think of an animal" # 继续,进行后续quiz
48 do_quiz
49 end
50 end
51
52 private
53
54 def self.wanna_play_again?
55 puts "wanna play again?"
56 get_yes_or_no
57 end
58
59 def self.get_yes_or_no # 获取用户输入
60 s =gets
61 while ((s=~/^\s*y\s*$/).nil? && (s=~/^\s*n\s*$/).nil? )
62 puts "please input 'y' or 'n'"
63 s = gets
64 end
65 s.chomp!
66 end
67
68end
69
70AnimalQuiz.go
2 @@animals = Array.new # 用来保存问题和答案的数组,每个数组元素又是一个数组,
3 # [["cat", "Is it cute?", "y"], ["dog", "does it bark?","y"] ]
4
5 def AnimalQuiz.add_animal(animal)
6 @@animals.push(animal)
7 end
8
9
10 def self.do_quiz
11 match_animal = ""
12 @@animals.each do |animal|
13 puts animal[1] # 提问题
14 s = gets
15 if s.chomp! == animal[2] # 答案是否与数组中给定的答案匹配
16 puts "is it " + animal[0] + "?" # 匹配的情况,询问是否是当前数组元素中的动物
17 if get_yes_or_no=="y" # 读取输入,是当前数组元素中的动物
18 match_animal = animal[0] # 取出动物
19 break
20 end
21 else # 答案不匹配,向下一个数组元素中的问题进发
22 next
23 end
24 end
25 if match_animal.empty? # 循环完毕,没有找到答案
26 puts "you win, what animal do u think of?" # 向数组中累积问题
27 user_animal = Array.new
28 user_animal << gets.chomp!
29 puts "give me a question"
30 user_animal << gets.chomp!
31 puts "what is your answer to this question?(y or n)"
32 user_animal << gets.chomp!
33 add_animal(user_animal)
34 puts "thanks"
35 else
36 puts "i win," # 找到动物
37 end
38 end
39
40 def self.go
41 puts "Think of an animal"
42 puts "is it an elephant?" # 对大象特殊处理
43 if get_yes_or_no != "y" # 不是大象,开始处理
44 do_quiz
45 end
46 while wanna_play_again? =="y" # 是大象,询问是否想继续
47 puts "Think of an animal" # 继续,进行后续quiz
48 do_quiz
49 end
50 end
51
52 private
53
54 def self.wanna_play_again?
55 puts "wanna play again?"
56 get_yes_or_no
57 end
58
59 def self.get_yes_or_no # 获取用户输入
60 s =gets
61 while ((s=~/^\s*y\s*$/).nil? && (s=~/^\s*n\s*$/).nil? )
62 puts "please input 'y' or 'n'"
63 s = gets
64 end
65 s.chomp!
66 end
67
68end
69
70AnimalQuiz.go