mapper

func BsonM2Map(m bson.M) map[string]interface{}

func BsonM2Struct(m bson.M, v interface{}) error

func IsKeyTimeValid(m bson.M, key string) bool

func IsKeyValid(m bson.M, key string) bool

func Json2Map(s string) (m map[string]interface{}, err error)

func Map2BsonM(m map[string]interface{}) bson.M

func Map2Json(m interface{}) (string, error)

func Map2Struct(m interface{}, v interface{}) error

func Struct2BsonM(v interface{}) (bson.M, error)

func Struct2Map(v interface{}) (map[string]interface{}, error)