测试 before 事件

app/models/product.rb

@@ -10,9 +10,9 @@ class Product < ActiveRecord::Base
     #after_update :after_update
     before_save :before_save
     after_destroy :del_picture
-    before_filter :before_filter
+    before_filter :do_something
 
-    def before_filter
+    def do_something
         puts params
     end