socialforge/app/views/users/_course_attachment.html.erb

<div class="resources mt10">
  <div class="homepagePostBrief" onmouseover="$('#act-<%=user_activity.id %>').css('visibility','visible')" onmouseout="$('.homepagePostSetting').css('visibility','hidden')">
    <div class="homepagePostPortrait">
     <!-- <a href="javascript:void(0);"><img src="images/homepageImage.jpg" width="90" height="90" alt="用户头像"/></a>-->
      <%= link_to image_tag(url_to_avatar(activity.author), :width => "50", :height => "50"), user_path(activity.author_id), :alt => "用户头像" %>
    </div>
    <div class="homepagePostDes">
      <div class="homepagePostTo">
        <% if activity.try(:author).try(:realname) == ' ' %>
            <%= link_to activity.try(:author), user_path(activity.author_id), :class => "newsBlue mr15" %>
        <% else %>
            <%= link_to activity.try(:author).try(:realname), user_path(activity.author_id), :class => "newsBlue mr15" %>
        <% end %>
         TO
        <%= link_to activity.course.name.to_s+"(课程名称)", course_path(activity.container_id), :class => "newsBlue ml15", :style=>"word-break:break-all" %>
        <!--<a href="javascript:void(0);" class="newsBlue ml15">分布式计算环境(课程名称)</a>-->
      </div>
      <div class="homepagePostTitle">
        <a href="javascript:void(0);" class="postGrey"><%=activity.filename.to_s(附件名称)%></a>
      </div>
      <div class="homepagePostSubmitContainer">
        <div class="homepagePostDeadline">时间：<%= format_date(activity.created_on) %></div>
      </div>
      <div class="homepagePostIntro">（附件描述）<%=activity.description.to_s%></div>
      <div class="homepagePostSetting" id="act-<%= user_activity.id %>" style="visibility: hidden">
        <ul>
          <li class="homepagePostSettingIcon">
            <ul class="homepagePostSettiongText">
              <li><a href="javascript:void(0);" class="postOptionLink">编辑</a></li>
              <li><a href="javascript:void(0);" class="postOptionLink">复制</a></li>
              <li><a href="javascript:void(0);" class="postOptionLink">删除</a></li>
            </ul>
          </li>
        </ul>
      </div>
    </div>
    <div class="cl"></div>
  </div>
</div>