优化课程列表成员数计算

app/helpers/courses_helper.rb

@@ -26,11 +26,11 @@ module CoursesHelper
   end
 
   # 返回学生数量，即roles表中定义的Reporter
-  def studentCount project
-    searchStudent(project).count
+  #def studentCount project
+   # searchStudent(project).count
     # or
     # searchStudent(project).count
-  end
+ # end
 
   # 判断用户是否是课程的管理员
   # add by nwb

app/views/courses/_course.html.erb

@@ -43,7 +43,8 @@
 	</p>
 	<p class="stats">
 		<%= content_tag('span',  "#{garble @course.members.count}", :class => "info") %>
-		<%= content_tag('span',  l(:label_x_member, :count => @course.members.count)) %>
+		<%#= content_tag('span',  l(:label_x_member, :count => @course.members.count)) %>
+         <%= content_tag('span',  l(:label_x_member, :count => studentCount(@course)+teacherCount(@course))) %>
 	</p>
 	
 	<!--gcm-->