<% unless activity.nil? %>
<%= link_to image_tag(url_to_avatar(activity.author), :width => "50", :height => "50"), user_path(activity.author_id), :alt => "用户头像" %> <%#= render :partial => 'users/show_detail_info', :locals => {:user => activity.author} %>
<%= link_to activity.try(:author).show_name, user_path(activity.author_id), :class => "newsBlue mr15" %> TO <%= link_to activity.project.name.to_s+" | 项目资源", project_files_path(activity.course), :class => "newsBlue ml15" %>
<%= link_to activity.filename, project_files_path(activity.course), :class => "postGrey" %>
文件大小： <%= number_to_human_size activity.filesize%>
上传时间：<%= format_time(activity.created_on) %>
<% end %>