path = ""
function query(tree,name) {
path += "/" + tree.name
if (tree.name == name) {
console.log(path)
return
}
var childs = tree.childs
if (childs != undefined) {
for ( var i = 0; i <childs.length; i++){
query(childs[i],name)
}
}
path= path.substring(0,path.lastIndexOf('/'))
}


不太擅长 js