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我知道关于这个主题有很多问题,但是由于某种原因对我不起作用。我已经安装了 gmaps4rails gem(最新的)。我已按照所有说明进行操作,并包含了所有必要的文件以使其正常工作。一切都很好,但唯一的问题是实际地图没有加载/渲染?

这是我的布局页面:

  <html>
    <head>
        <title>Mash's Wing Ranch&reg; | <%= @page_title || 'Admin Area' %></title>
        <%= stylesheet_link_tag('admin_main', :media => 'all') %>
        <%= stylesheet_link_tag "gmaps4rails" %>
        <%= javascript_include_tag ('gmaps4rails.base','gmaps4rails.bing','gmaps4rails.googlemaps','gmaps4rails.mapquest','gmaps4railsopenlayers') %>   
    </head>
    <body>
        <div id="headercontainer">
            <div id="headercontent">
                <div id="headerlogo"></div>
                <div id="headernavigation">
                    <ul>
                        <li><%= link_to("Users", {:controller => 'admin_users', :action => 'list'}) %></li>
                        <li><%= link_to("Menu", {:controller => 'menus', :action => 'list'}) %></li>
                        <li><%= link_to("Sauces", {:controller => 'sauces', :action => 'list'}) %></li>
                        <li><%= link_to("Ranches", {:controller => 'ranches', :action => 'list'}) %></li>
                        <li><%= link_to("Franchise", {:controller => 'franchises', :action => 'list'}) %></li>
                        <li><%= link_to("Mailing List", {:controller => 'mailing_lists', :action => 'list'}) %></li>
                    </ul>
                </div>
                <div id="headerinformation">
                    <p>Admin Area</p>
                    <p><%= Time.now.strftime("%d/%m/%Y") %></p>
                    <p><%= Time.now.strftime("%I:%M%p") %></p>
                    <p>User - <%= session[:first_name] %> <%= session[:last_name] %></p>
                    <p><%= link_to("Log Out", :controller => 'access', :action => 'logout') %></p>
                </div>
            </div>
        </div>
        <div id="pagetitlecontainer">
            <div id="pagetitlecontent">
                <h3><%= @pagetitle %></h3>
            </div>
        </div>
        <% if !flash[:notice].blank? %>
        <div id="noticecontainer">
            <div id="noticecontent">
                <h4 class="notice">
                <%= flash[:notice] %>
            </div>
        </div>
        <% end %>
        <% if !flash[:error].blank? %>
        <div id="errornoticecontainer">
            <div id="errornoticecontent">
                <h4 class="notice">
                <%= flash[:error] %>
            </div>
        </div>
        <% end %>
        <div id="contentcontainer">
            <div id="content"><%= yield %></div>
        </div>
        <div id="footercontainer">
            <div id="footercontent">
                <p>Mash's Wing Ranch&reg; All Rights Reserved 2012</p>
            </div>
        </div>
    <%= yield :scripts %>
    </body>
    </html>

<%= gmaps4rails(@json) %>在我看来,我也添加了。

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