go json解析问题 大牛们帮帮忙

json解析出来为nil ，对一个嵌套json操作，取里面的单独数据。 这是json数据： ``` { "code": 0, "data": { "song": { "count": 2, "itemlist": [{ "albummid": "001ZaCQY2OxVMg", "docid": "4960718353595419009", "id": "108041208", "mid": "000lH7Do3X6Aot", "name": "雪阳", "singer": "鹿予" }, { "albummid": "001ZaCQY2OxVMg", "docid": "4277524965976373789", "id": "107195477", "mid": "0004snbm3ZMeFz", "name": "雪阳花", "singer": "林爽" }], "name": "单曲", "order": 0, "type": 1 } }, "subcode": 0 } ``` 我试过了转结构体 取出来为nil 转各种类型也试过了，也是nil 求方案，怎么取