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目前,在为一位用户显示关注/取消关注按钮时,我拥有完整的功能。我能够正确关注和取消关注任何用户。

但是,当显示所有用户的列表并在每个用户上显示关注/取消关注按钮时。

当我点击关注时,我得到了。

我在 _unfollow.html.erb 的第二行为 #<#:0x007fa8a9b4f448> 得到未定义的局部变量或方法“following” -完整错误请参见下图

我在渲染部分时传入了变量。

<%= render 'follow_aud_form', :following => following if signed_in? %> 

我还可以检查“以下”并查看实例数据。

当我返回点击后,它实际上跟随/取消关注选定的用户,但是它首先生成错误

请参阅下面的代码

users_controller

def following
 @title = "Following"
 @user = User.find(params[:id])
 @users = @user.followed_users
 render 'show_follow'
end

def followers
  @title = "Followers"
  @user = User.find(params[:id])
  @users = @user.followers
  render 'show_follow'
end

show_follow.html.erb

<% @users.each do |following|%>

        <div class="span1">
          <%= render 'follow_aud_form', :following => following if signed_in? %>
        </div>

    <% end %>

follow_aud_form

<div id="follow_form">
  <% if current_user.following?(following) %>
    <%= render 'unfollow', :following => following %>
  <% else %>
    <%= render 'follow', :following => following %>
  <% end %>
  </div>

_follow_html

|__<%= @gaza_id = following.id %>__|
<%= form_for(current_user.relationships.build(followed_id: @gaza_id)) do |f| %>
  <div><%= f.hidden_field :followed_id %></div>
  <%= f.submit "Follow",:type => :image, :src => "/assets/follow.png" %>
<% end %>

_unfollow.html

|__<%= @slim_id = following.id %>__|
<%= form_for(current_user.relationships.find_by_followed_id(@slim_id),
             html: { method: :delete }) do |f| %>
  <%#= f.submit "Unfollow", class: "btn btn-large" %>
  <%= f.submit "Unfollow",:type => :image, :src => "/assets/following.png" %>
<% end %>

我还查看了带有关注/取消关注按钮的用户列表

在此处输入图像描述

4

1 回答 1

0

只需尝试将 _show_follow.html.erb 更改为:

<% @users.each do |following|%>

    <div class="span1">
      <% f = signed_in? ? following : ''
      <%= render 'follow_aud_form', :following => f %>
    </div>

<% end %>

我相信您遇到的唯一问题是,:following除非您用户登录,否则不会创建本地变量。提议的更改只是确保无论如何都会创建本地变量。

于 2013-08-17T18:05:18.947 回答