APIs

var api_reg = '/api/user/reg'; params: email user_name pwd remark

var api_login = '/api/user/login'; params: user_name pwd

var api_logout = '/api/user/logout'; params: [nothing]

var api_album_create = '/api/album/create'; params: is_open album_name

var api_album_collection = '/api/album/collection'; params: items_id album_id

var api_items_replay = '/api/items/replay'; params: items_id content

var api_album_listen = '/api/album/listen'; params: album_id