百度编辑器失去、获取焦点触发事件
var ue = UE.getEditor('editor',{initialFrameWidth:'100%',initialFrameHeight:200}); //初始化百度编辑器
ue.addListener('focus',function(editor){console.log(得到焦点);}); //得到焦点触发
ue.addListener('focus',function(editor){console.log(失去焦点);}); //失去焦点触发