点击更换 <%= file_field_tag 'avatar[image]', :id => 'upload_course_logo', :class => 'undis upload_file', :size => "1", :multiple => true, :data => { :max_file_size => Setting.upload_avatar_max_size, :max_file_size_message => l(:error_upload_avatar_to_large, :max_size => number_to_human_size(Setting.upload_avatar_max_size.to_i)), :max_concurrent_uploads => Redmine::Configuration['max_concurrent_ajax_uploads'].to_i, :file_type => Redmine::Configuration['pic_types'].to_s, :type_support_message => l(:error_pic_type), :upload_path => upload_avatar_path(:format => 'js'), :description_placeholder => nil ,# l(:label_optional_description) :source_type => source.class.to_s, :source_id => source.id.to_s, :is_direct => 0 } %> <% content_for :header_tags do %> <%= javascript_include_tag 'jq-upload/jquery.ui.widget', 'jq-upload/jquery.iframe-transport', 'jq-upload/jquery.fileupload', 'jq-upload/upload' %> <% end %>