var opt0 = ["一级分类|0", "二级分类|0", "三级分类|0"];
var dsy = new Dsy();
dsy.add("0", ["计算机|5"]);
dsy.add("0_0", ["平面设计|67","软件工程|68","IT认证|71","系统管理|1206"]);
dsy.add("0_0_0", ["平面设计|419","网页设计|420"]);
dsy.add("0_0_1", ["软件开发|427","软件测试|428","手机开发|434","嵌入式开发|436"]);
dsy.add("0_0_2", ["android开发|444","PHP|451","JAVA|452"]);
dsy.add("0_0_3", ["软件工程|1207","云计算|2020"]);