Merge branch 'response_picture'

app/controllers/admin/posts_controller.rb

@@ -49,7 +49,7 @@ class Admin::PostsController < ApplicationController
       flash[:notice] = '创建博客成功'
       redirect_to admin_posts_path
     else
-      flash[:error] = '创建失败'
+      flash.now[:error] = '创建失败'
       render :new
     end
   end

app/uploaders/photo_uploader.rb

@@ -9,7 +9,15 @@ class PhotoUploader < CarrierWave::Uploader::Base
     "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
   end
 
-  process :resize_to_limit => [680,nil]
+  process :resize_to_limit => [1200,nil]
+
+  version :medium do
+    process :resize_to_limit => [640,nil]
+  end
+
+  version :small do
+    process :resize_to_limit => [400,nil]
+  end
 
   def extension_white_list
     %w(jpg jpeg gif png)