<% @courses.each do |course| %> <% unless course.teacher.nil? %> " id="course_<%=course.id %>"> <% end %> <% end %>

序号	班级	主讲老师	学时	<%=l(:field_is_public)%>	状态	<%=l(:field_created_on)%>	动态时间	课程
<%= course.id %>	<%= course.name%>	<%= link_to(course.teacher.show_name, user_path(course.teacher)) %>	<%= course.class_period %>	<%= checked_image course.is_public? %>	<%= course.is_delete == 0 ? '正常' : '归档' %>	<%= format_date(course.created_at) %>	<%= course.updated_at.strftime('%Y-%m-%d %H:%M:%S') %>	<%= select_tag :syllabus_id,options_for_select(course_syllabus_option(course.teacher),course.syllabus_id), {:id=>"new_syllabus_id_#{course.id}", :class=>"course_syllabus_input", :onchange=>"select_syllabus(#{course.id});"}%>	新建课程