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