直播增加级别限制

app/models/live_broad.rb

@@ -20,7 +20,12 @@ class LiveBroad < ActiveRecord::Base
           end
         end
       end
-      self.rank_strs=self.rank_str.map { |i| "" + i.to_s + "" }.join(",").strip(' ').strip(',')
+
+      # if self.rank_str.length>0
+      #   self.rank_str.each { |item|  puts item+'!'}
+      #
+      # end
+      self.rank_strs=self.rank_str.map { |i|  i.to_s + "" }.join(",")
     end
 
     IMG_STORE_PATH = "live_broads"
@@ -36,7 +41,7 @@ class LiveBroad < ActiveRecord::Base
           field :cover do
             formatted_value do
               bindings[:view].tag(:img,{:src => bindings[:object].get_cover_img,
-              :style => 'width: 100px;height: 100px;cursor: pointer;display: block;max-width: 100px',
+              :style => '`width: 100px;height: 100px;cursor: pointer;display: block;max-width: 100px',
               :onClick => "javascript:window.open('#{bindings[:object].get_cover_img}')"})
             end
           end