<%= link_to image_tag(url_to_avatar(activity.user), :width => "50", :height => "50"), user_path(activity.user_id), :alt => "用户头像" %>
<% if activity.try(:user).try(:realname) == ' ' %> <%= link_to activity.try(:user), user_path(activity.user_id), :class => "newsBlue mr15" %> <% else %> <%= link_to activity.try(:user).try(:realname), user_path(activity.user_id), :class => "newsBlue mr15" %> <% end %> TO <%= link_to activity.course.name.to_s+" | 课程作业", homework_common_index_path(:course => activity.course.id), :class => "newsBlue ml15"%>
<%= link_to activity.name.to_s, student_work_index_path(:homework => activity.id), :class => "postGrey"%>
<%= link_to "提交("+activity.student_works.count.to_s+")", student_work_index_path(:homework => activity.id), :class=> "c_blue" %>
截止时间：<%= activity.end_time.to_s %>
作业描述：<%= activity.description.html_safe %>