限制上传文件名、文件描述长度 #1252

app/helpers/application_helper.rb

@@ -127,7 +127,7 @@ module ApplicationHelper
   # * :text - Link text (default to attachment filename)
   # * :download - Force download (default: false)
   def link_to_attachment(attachment, options={})
-    text = h(truncate(options.delete(:text) || attachment.filename, length: 60, omission: '...'))
+    text = h(truncate(options.delete(:text) || attachment.filename, length: 25, omission: '...'))
     route_method = options.delete(:download) ? :download_named_attachment_path : :named_attachment_path
     html_options = options.slice!(:only_path)
     url = send(route_method, attachment, attachment.filename, options)

app/views/attachments/_links.html.erb

@@ -11,7 +11,9 @@
                 :id => attachment,
                 :filename => attachment.filename%>
   <% end %>
-  <%= h(" - #{attachment.description}") unless attachment.description.blank? %>
+  <span title="<%= attachment.description%>">
+    <%= h(truncate(" - #{attachment.description}", length: 20, omission: '...')) unless attachment.description.blank? %>
+  </span>
   <span class="size">(<%= number_to_human_size attachment.filesize %>)</span>
   <% if options[:deletable] %>
   	<% if attachment.container_type == 'HomeworkAttach' %>