MD5简单加密

MD5简单加密

  	//先引入命名空间
	using System.Security.Cryptography;

	/// <summary>
        /// MD5加密
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string GetMD5Hash(string str)
        {
            using (MD5 md5hash=MD5.Create())
            {
                var md5bytes = md5hash.ComputeHash(Encoding.UTF8.GetBytes(str));
                StringBuilder builder = new StringBuilder();
                for (int i = 0; i < md5bytes.Length; i++)
                {
                    builder.Append(md5bytes[i].ToString("X2"));
                }
                return builder.ToString();
            }
        }