ckeditor 会吃掉 inline style 。（preserve inline style in CKeditor)

refer to  http://stackoverflow.com/questions/15659390/ckeditor-automatically-strips-classes-from-div/15659962#15659962

默认情况下,ckeditor 会吃掉 代码中的 inline style, javascript. 很多时候我们要禁用掉它。所以：

// in your ckeditor's config.js 
config.allowedContent = true;