json的树形结构

"favorite":{
    "folder":[{
        "name":"顶层收藏夹1",
        "items":[{
            "url":"",
            "name":"",
            "iconurl":"",
            "index":"",
            "time":""
        },{
            "url":"",
            "name":"",
            "iconurl":"",
            "index":"",
            "time":""
        }],
        "folder":[{
            "name":"子收藏夹",
            "items":[{
                "url":"",
                "name":"",
                "iconurl":"",
                "index":"",
                "time":""
            }],
            "folder":[{
            }]
        },{
            "name":"子收藏夹2",
            "items":[{
                "url":"",
                "name":"",
                "iconurl":"",
                "index":"",
                "time":""
            }],
            "folder":[{
            }]
        }]
    },{
        "name":"顶层收藏夹2",
        "items":[{
            "url":"",
            "name":"",
            "iconurl":"",
            "index":"",
            "time":""
        }],
        "folder":[{
        }]
    }]
}