初学ror，使用官方那个blog例子，卡在这里了，求指点。我用rails 3.1.3 - V2EX
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iloveyou
V2EX    Ruby on Rails

初学ror，使用官方那个blog例子，卡在这里了，求指点。我用rails 3.1.3

  •   
  •   iloveyou 2012-01-17 23:14:32 +08:00 4800 次点击
    这是一个创建于 5016 天前的主题，其中的信息可能已经有所发展或是发生改变。
    Showing /Users/Sites/blog/app/views/posts/show.html.erb where line #21 raised:

    unefined local variable or method `comment' for #<#<Class:0x007fc394660120>:0x007fc394663aa0>
    Extracted source (around line #21):

    18: <% @post.comments.each do |commnet| %>
    19: <p>
    20: <b>Commenter:</b>
    21: <%= comment.commenter%>
    22: </p>
    23: <p>
    24: <b>Comment:</b>
  • line
  • comment
    5 条回复    1970-01-01 08:00:00 +08:00
    iloveyou
        1
    iloveyou  
    OP
       2012-01-17 23:15:35 +08:00
    posts model：

    class Post < ActiveRecord::Base
    validates :name, :presence => true
    validates :title, :presence => true, :length => { :minimum => 5 }

    has_many :comments
    end


    comments model:

    class Comment < ActiveRecord::Base
    belongs_to :post
    end
    iloveyou
        2
    iloveyou  
    OP
       2012-01-17 23:15:48 +08:00
    posts model：

    class Post < ActiveRecord::Base
    validates :name, :presence => true
    validates :title, :presence => true, :length => { :minimum => 5 }

    has_many :comments
    end


    comments model:

    class Comment < ActiveRecord::Base
    belongs_to :post
    end
    pepsin
        3
    pepsin  
       2012-01-17 23:22:20 +08:00
    21行那个comment没有对应的实例变量或者是方法吧?
    goophy
        4
    goophy  
       2012-01-17 23:27:46 +08:00 via iPhone
    18: <% @post.comments.each do |commnet| %>
    拼写错误 commnet -> comment
    iloveyou
        5
    iloveyou  
    OP
       2012-01-18 11:36:03 +08:00
    @goophy 我晕，我思索几天的问题啊，2b青年啊我
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