[str1, str2]
 ret, err := fun1(....)

函数的原型是

func fun1(...) (interface{}, error)
ret
[[57 57 56 56] [97 100 98 49 57 55 102 98 49 101 57 48 52 98 102 56 55 102 52 56 57 57 55 54 49 55 101 57 49 100 98 49]]
[][]uint8
    v, _ := ret.([][]uint8)
    str1, _ := strconv.Atoi(string(v[0]))
    str2, _ := strconv.Atoi(string(v[1]))
[]

并且我也尝试了:

   v, _ := ret.([]string)
"9988"