根据对方提供的URL获取返回的数据流并保存为XML /// <summary> /// MD5加密方式加密 /// ggh /// </summary> /// <param name="s">需要加密的字符串</param> /// <returns>经过md5加密过的字符串</returns> public string MD5(string s) { byte[] b = Encoding.Default.GetBytes(s); MD5 md5 = new MD5CryptoServiceProvider(); byte[] result = md5.ComputeHash(b); s = ""; for (int i = 0; i < result.Length; i++) { s += result[i].ToString("x").PadLeft(2, '0'); } return s; }