MD5加密

public class MD5DEncryptHelper
    {
        /// <summary>
        /// MD5加密
        /// </summary>
        /// <param name="strText">要加密的内容</param>
        /// <returns></returns>
        public static string MD5Encrypt(string strText)
        {
            //MD5 md5 = new MD5CryptoServiceProvider();
            //byte[] result = md5.ComputeHash(System.Text.Encoding.Default.GetBytes(strText));
            //string password = string.Empty;
            //for (int i = 0; i < result.Length; i++)
            //{
            //    password += string.Format("{0:x}", result[i]);
            //}
            //return password;
            byte[] result = Encoding.Default.GetBytes(strText);
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] output = md5.ComputeHash(result);
            var str = BitConverter.ToString(output).Replace("-", "");
            return str.ToUpper();
        }
    }