阿里前端岗暑期实习一面

//要提取其中的叶子节点，以数组的形式输出

//输入为一个对象，格式如下
{
    name:"0",
    children:[{
        "name":"0-0",
        "isLeaf":true
    },
        {
            "name":"0-1",
            "children":[
                {"name":"1-0",
                 "children":[
                     {...}
                 ]
                }
            ]
        }]
}