### 收藏 ~~~[api] post:http://api.satin.com/api/v1/collection *user_id='e5e3b4cba81b6206bf278bafabbf18a0'#用户id *tid=3#导航分类id *aid=1#正文id <<< success { "code": 200, "msg": "已收藏", "data": [] } <<< error { "code": 400, "msg": "收藏失败", "data": {} }