目录树添加模型，和透明度调整的相关结构及逻辑样式

shuishen

2021-06-09 0ee58233d6e1ab07bc13701f12b60be8dcf9aff7

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//>>built
define(["./Evented"],function(b){var a=new b;return{publish:function(b,c){return a.emit.apply(a,arguments)},subscribe:function(b,c){return a.on.apply(a,arguments)}}});