var opt0 = ["一级分类|0", "二级分类|0", "三级分类|0"];
var dsy = new Dsy();
dsy.add("0", ["公考资格|3"]);
dsy.add("0_0", ["公务员|56","考研|57"]);
dsy.add("0_0_0", ["教师资格|585"]);
dsy.add("0_0_1", ["无子分类|0"]);