通過 `happy` 可以自定義配置表情圖片。  默認值為： ``` [ 'http://wangeditor.github.io/expressions/1.gif', 'http://wangeditor.github.io/expressions/2.gif', 'http://wangeditor.github.io/expressions/3.gif', 'http://wangeditor.github.io/expressions/4.gif', 'http://wangeditor.github.io/expressions/5.gif', 'http://wangeditor.github.io/expressions/6.gif', 'http://wangeditor.github.io/expressions/7.gif', 'http://wangeditor.github.io/expressions/8.gif', 'http://wangeditor.github.io/expressions/9.gif', 'http://wangeditor.github.io/expressions/10.gif', 'http://wangeditor.github.io/expressions/11.gif', 'http://wangeditor.github.io/expressions/12.gif', 'http://wangeditor.github.io/expressions/13.gif', 'http://wangeditor.github.io/expressions/14.gif', 'http://wangeditor.github.io/expressions/15.gif', 'http://wangeditor.github.io/expressions/16.gif', 'http://wangeditor.github.io/expressions/17.gif', 'http://wangeditor.github.io/expressions/18.gif', 'http://wangeditor.github.io/expressions/19.gif', 'http://wangeditor.github.io/expressions/20.gif' ] ``` - 全局配置示例： ``` ___E.config.happy = [ 'img/1.gif', 'img/2.gif', 'img/3.gif' ] ``` - 對象配置示例： ``` editor.config.happy = [ 'img/1.gif', 'img/2.gif', 'img/3.gif' ] ```