<%= link_to image_tag(url_to_avatar(activity.author), :width => "90", :height => "90"), user_path(activity.author_id), :alt => "用户头像" %>
<% 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+"(课程讨论区)", course_path(activity.course), :class => "newsBlue ml15 mr5", :style=>"word-break:break-all"%>
<% if activity.parent_id.nil? %> <%= link_to activity.subject.to_s.html_safe+"(讨论区内容)", course_boards_path(Board.where('id=?',activity.board_id).first.course_id), :class=> "postGrey", :style=>"word-break:break-all" %> <% else %> <%= link_to activity.parent.subject.to_s.html_safe+"(讨论区内容)", course_boards_path(Board.where('id=?',activity.board_id).first.course_id), :class=> "postGrey", :style=>"word-break:break-all"%> <% end %>
时间：<%= format_date(activity.created_on) %>