<% if @companies.nil? || @companies.count == 0 %> <%= link_to image_tag('/images/footer_logo/nudt.png',:size=>'100x30',:alt=>"国防科学技术大学计算机学院"),"http://www.nudt.edu.cn/special.asp?classid=12", :target => "_blank" %> <%= link_to image_tag('/images/footer_logo/peking_eecs.png',:size=>'100x30',:alt=>"北京大学信息科学技术学院软件研究所"), "http://eecs.pku.edu.cn", :target => "_blank" %> <%= link_to image_tag('/images/footer_logo/buaa_scse.png',:size=>'100x30',:alt=>"北京航空航天大学计算机学院"), "http://scse.buaa.edu.cn/", :target => "_blank" %> <%= link_to image_tag('/images/footer_logo/iscas.png',:size=>'100x30',:alt=>"中国科学院软件研究所"), "http://www.iscas.ac.cn", :target => "_blank" %> <%= link_to image_tag('/images/footer_logo/inforbus.png',:size=>'100x30',:alt=>"山东中创软件商用中间件股份有限公司"), "http://www.inforbus.com", :target => "_blank" %> <% else %> <% @companies && @companies.each do |company| %> <%= link_to image_tag(url_to_avatar(company),:size=>"100x30",:alt=>company.name),company.url, :target => "_blank" %> <% end %> <% end %>