tinymce --- another good wysiwyg editor (rails中使用tinymce)

在rails 中的使用方式： 建议使用 gem 来做。否则一点儿一点儿的copy assets ，很麻烦。(it's strongly recommended we use the gem instead of adding files to app/assets image/stylesheets manually.

see: https://github.com/spohlenz/tinymce-rails/tree/tinymce-4

p.s. my tinymce.yml: 

siwei@siwei-Lenovo-V470c:/workspace/rails_girls_cn$ cat config/tinymce.yml 
theme_advanced_toolbar_location: top
theme_advanced_toolbar_align: left
theme_advanced_statusbar_location: bottom
theme_advanced_buttons3_add:
  - tablecontrols
  - fullscreen
plugins:
  - table
  - fullscreen
  - code
  - contextmenu
  - image
  - link
  - preview
  - charmap