未登录状态下的导航栏调整

app/helpers/subjects_helper.rb

@@ -7,6 +7,7 @@ module SubjectsHelper
 
   # 实训路径详情列表，右侧状态显示栏
   def shixun_show_in_subject subject_status, shixun_status
+    content = ""
     content = if subject_status < 2
                  case shixun_status
                    when 0, 1

app/views/layouts/_unlogin_header.html.erb

@@ -91,22 +91,19 @@
         document.getElementById('nHeader').style.left=sl+'px';
     }
   $(function () {
-      <% if params[:action] == "index" %>
       var $header = $("#header-nav").children("li");
-      <% case params[:controller] %>
+      <% if params[:controller] == "welcome" %>
-      <% when "welcome" %>
       $("#header-nav").children("li").eq(0).addClass("active");
-      <% when "shixuns" %>
+      <% elsif subjects_controller.include?(params[:controller]) %>
       $("#header-nav").children("li").eq(1).addClass("active");
-      <% when "subjects" %>
+      <% elsif course_controller.include?(params[:controller]) %>
       $("#header-nav").children("li").eq(2).addClass("active");
-      <% when "courses" %>
+      <% elsif shixuns_controller.include?(params[:controller]) %>
       $header.length == 7 ? $header.eq(2).addClass("active") : $header.eq(3).addClass("active");
-      <% when "competitions" %>
+      <% elsif params[:controller] == "competitions" %>
       $header.length == 7 ? $header.eq(5).addClass("active") : $header.eq(4).addClass("active");
-      <% when "forums" %>
+      <% elsif params[:controller] ==  "forums" %>
       $header.length == 7 ? $header.eq(6).addClass("active") : $header.eq(5).addClass("active");
       <% end %>
-      <% end %>
   })
 </script>