直播增加级别限制

app/models/live_broad.rb

@@ -20,12 +20,20 @@ class LiveBroad < ActiveRecord::Base
           end
         end
       end
-
-      # 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(",")
+      str=""
+      i=0
+      if self.rank_str.length>0
+        self.rank_str.each do |item|
+          if i==0
+            str=item.to_s
+          else
+            str=str+","+item.to_s
+          end
+          i=i+1
+        end
+      end
+        # self.rank_strs=self.rank_str.map { |i| "" + i.to_s + "" }.join(",")
+        self.rank_strs=str
     end
 
     IMG_STORE_PATH = "live_broads"