Rails 帮助创建 ajax 星级 [英] Rails help creating ajax star rating
问题描述
我在根据这两个答案创建一些简单的 ajax 评级时遇到了一些麻烦.Rails 3 评分模型 - 如何创建 ajax 评分? 和 Rails ajax 评级帮助如何创建一个显示星星的辅助方法
我的分类视图中出现以下错误:
分类中的名称错误#show显示 C:/Rails/konkurranceportalen/app/views/kategoris/_rating.html.erb 其中第 2 行提出:#<#<Class:0x3c77820>:0x3c724f8>的未定义局部变量或方法`f'提取的源代码(围绕第 2 行):1: <%= form_tag url_for(controller: 'konkurrancers', action: 'rate', id: "#{vind.id}"), remote: true %>2: <%= f.text_field :ratings, :size =>1, :min =>0, :max =>5, :step =>1%>3:<div class="rateit" data-rateit-backingfld="#konkurrancer_ratings" data-rateit-resetable="true">4:</div>5:</form>
我的分类展示视图:
<%= @kategori.h2.force_encoding("UTF-8") %></h1><div id="konkurrancer"><%= render 'konkurrencer', :remote =>真%></div>
我的 konkurrencer 部分:
<table id="tab1" border="0" bordercolor="#000000" style="background-color:#FFFFFF" width="725" cellpadding="0" cellspacing="0"><td><%=可排序的名称"、导航"%></td></tr><% @konkurrancer.each 做 |vind|%><tr class="thumbnail-item" onclick="window.open('<%= vind.tracking %>')" onmouseout="this.style.background='white';"onmouseover="this.style.background='#99ff33';this.style.cursor='pointer'"><td width="280px" style="padding-left: 5px;"><%= truncate(vind.name.force_encoding("UTF-8"), :length => 45) %><;/td><td><div id="container"><%= render :partial =>"评级", :remote =>真的,:locals =>{ :vind =>vind }%></div></td></tr><%结束%><div id="pagenavi"><%= hidden_field_tag :direction, params[:direction] %><%= hidden_field_tag :sort, params[:sort] %>
我的评分部分:
<%= form_tag url_for(controller: 'konkurrancers', action: 'rate', id: "#{vind.id}"), remote: true %><%= f.text_field :ratings, :size =>1, :min =>0, :max =>5, :step =>1%><div class="rateit" data-rateit-backingfld="#konkurrancer_ratings" data-rateit-resetable="true"></表单>
我的 rate.js:
$('#<%= @container %>').html('<%= escape_javascript(render(partial: 'rating', locals: { konkurrancer: @konkurrancer })) %>');
我的 konkurrancers 控制器:
定义率@konkurrancer = Konkurrancer.find(params[:id])@container = "Konkurrancer"+@Konkurrancer.id.to_s@theme.rating_score += params[:rating].to_i@theme.ratings += 1@theme.saveresponse_to do |格式|格式.js结尾结尾结尾
解决方案 问题是 vind
没有在你的局部变量中定义,你也没有将它作为局部变量传递.要解决此问题,您需要更改 rate.js
以将 vind
作为局部变量而不是 konkurrancer
传递:
$('#<%= @container %>').html('<%= escape_javascript(render(partial: 'rating', locals: { vind: @konkurrancer })) %>');
在你的 konkurrancer 部分:
<%= render 'rating', :remote =>真的,当地人:{ vind: vind } %>
然后您可以使用 id: vind.id
保留部分评分.
I am having a bit trouble creating some simple ajax rating based on these two answers. Rails 3 rateable model - How to create ajax rating? and Rails ajax rating help how to create a helper method to display stars
I get the following error in my kategori view:
NameError in Kategoris#show
Showing C:/Rails/konkurranceportalen/app/views/kategoris/_rating.html.erb where line #2 raised:
undefined local variable or method `f' for #<#<Class:0x3c77820>:0x3c724f8>
Extracted source (around line #2):
1: <%= form_tag url_for(controller: 'konkurrancers', action: 'rate', id: "#{vind.id}"), remote: true %>
2: <%= f.text_field :ratings, :size => 1, :min => 0, :max => 5, :step => 1 %>
3: <div class="rateit" data-rateit-backingfld="#konkurrancer_ratings" data-rateit-resetable="true">
4: </div>
5: </form>
My kategori show view:
<h1><%= @kategori.h2.force_encoding("UTF-8") %></h1>
<div id="konkurrancer"><%= render 'konkurrencer', :remote => true %></div>
</div>
My konkurrencer partial:
<div id="tabel">
<table id="tabel1" border="0" bordercolor="#000000" style="background-color:#FFFFFF" width="725" cellpadding="0" cellspacing="0">
<tr id="toptr">
<td><%= sortable "name", "Navn" %></td>
</tr>
<% @konkurrancer.each do |vind| %>
<tr class="thumbnail-item" onclick="window.open('<%= vind.tracking %>')" onmouseout="this.style.background='white';" onmouseover="this.style.background='#99ff33';this.style.cursor='pointer'">
<td width="280px" style="padding-left: 5px;"><%= truncate(vind.name.force_encoding("UTF-8"), :length => 45) %></td>
<td><div id="container"><%= render :partial => "rating", :remote => true, :locals => { :vind => vind } %></div></td>
</div>
</tr> <% end %>
</table>
<div id="pagenavi">
<%= hidden_field_tag :direction, params[:direction] %>
<%= hidden_field_tag :sort, params[:sort] %>
</div>
My ratings partial:
<%= form_tag url_for(controller: 'konkurrancers', action: 'rate', id: "#{vind.id}"), remote: true %>
<%= f.text_field :ratings, :size => 1, :min => 0, :max => 5, :step => 1 %>
<div class="rateit" data-rateit-backingfld="#konkurrancer_ratings" data-rateit-resetable="true">
</div>
</form>
My rate.js:
$('#<%= @container %>').html('<%= escape_javascript(render(partial: 'rating', locals: { konkurrancer: @konkurrancer })) %>');
My konkurrancers controller:
def rate
@konkurrancer = Konkurrancer.find(params[:id])
@container = "Konkurrancer"+@Konkurrancer.id.to_s
@theme.rating_score += params[:rating].to_i
@theme.ratings += 1
@theme.save
respond_to do |format|
format.js
end
end
end
解决方案 The problem is that vind
is not defined in your partial and you aren't passing it as a local variable either. To fix this you'll want to change rate.js
to pass vind
as the local variable instead of konkurrancer
:
$('#<%= @container %>').html('<%= escape_javascript(render(partial: 'rating', locals: { vind: @konkurrancer })) %>');
and in your konkurrancer partial:
<%= render 'rating', :remote => true, locals: { vind: vind } %>
You can then leave your ratings partial as it is with id: vind.id
.
这篇关于Rails 帮助创建 ajax 星级的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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