//string转换为byte[]byte[] file = Convert.FromBase64String(string数据);//byte[]转换为stringConvert.ToBase64String(byte[]) 相关文章: 2022-12-23 2022-12-23 2022-01-28 2022-12-23 2021-12-12 2022-12-23 2022-12-23 2022-12-23