还有几个工具类

 /// <summary>
    /// 反射类
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public sealed class Reflector<T> where T : class
    {
        /// <summary>
        /// 通过反射创建实体
        /// </summary>
        /// <param name="classFullName">类的全名</param>
        /// <param name="dllName">dllName</param>
        /// <returns></returns>
        public static T Create(string classFullName, string dllName)
        {
            return Create(classFullName, dllName, true);
        }

        /// <summary>
        /// 通过反射创建实体
        /// </summary>
        /// <param name="classFullName">类的全名</param>
        /// <param name="dllName">dllName</param>
        /// <param name="cacheFlag">是否从缓存中读取</param>
        /// <returns></returns>
        public static T Create(string classFullName, string dllName, bool cacheFlag)
        {
            T objType = null;
            if (cacheFlag)
            {
                objType = (T)CacheManage.GetFromCache(classFullName);
                if (objType == null)
                {
                    objType = (T)Assembly.Load(dllName).CreateInstance(classFullName);//反射创建
                    CacheManage.SetCache(classFullName, objType);
                }
            }
            else
            {
                objType = (T)CreateAssembly(dllName).CreateInstance(classFullName);//反射创建
            }
            return objType;
        }

        /// <summary>
        /// 创建Assembly
        /// </summary>
        /// <param name="dllName">dllName</param>
        /// <returns></returns>
        public static Assembly CreateAssembly(string dllName)
        {
            Assembly obj = (Assembly)CacheManage.GetFromCache(dllName);
            if (obj == null)
            {
                obj = Assembly.Load(dllName);
                CacheManage.SetCache(dllName, obj);
            }
            return obj;
        }
    }
public class CacheManage
    {
        /// <summary>
        /// 从缓存获取
        /// </summary>
        /// <param name="objectkey"></param>
        /// <returns></returns>
        public static object GetFromCache(string objectkey)
        {
            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
            return objCache[objectkey];
        }
        /// <summary>
        /// 添加到缓存
        /// </summary>
        /// <param name="objectkey"></param>
        /// <param name="objObject"></param>
        public static void SetCache(string objectkey, object objObject)
        {
            System.Web.Caching.Cache objCache = HttpRuntime.Cache;
            objCache.Insert(objectkey, objObject);
        }
    }
 /// <summary> 
    /// 加密
    /// </summary> 
    public class AES
    {
        //默认密钥向量
        private static byte[] Keys = { 0x41, 0x72, 0x65, 0x79, 0x6F, 0x75, 0x6D, 0x79, 0x53, 0x6E, 0x6F, 0x77, 0x6D, 0x61, 0x6E, 0x3F };

        public static string Encode(string encryptString, string encryptKey)
        {
            encryptKey = Utils.GetSubString(encryptKey, 32, "");
            encryptKey = encryptKey.PadRight(32, ' ');

            RijndaelManaged rijndaelProvider = new RijndaelManaged();
            rijndaelProvider.Key = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 32));
            rijndaelProvider.IV = Keys;
            ICryptoTransform rijndaelEncrypt = rijndaelProvider.CreateEncryptor();

            byte[] inputData = Encoding.UTF8.GetBytes(encryptString);
            byte[] encryptedData = rijndaelEncrypt.TransformFinalBlock(inputData, 0, inputData.Length);

            return Convert.ToBase64String(encryptedData);
        }

        public static string Decode(string decryptString, string decryptKey)
        {
            try
            {
                decryptKey = Utils.GetSubString(decryptKey, 32, "");
                decryptKey = decryptKey.PadRight(32, ' ');

                RijndaelManaged rijndaelProvider = new RijndaelManaged();
                rijndaelProvider.Key = Encoding.UTF8.GetBytes(decryptKey);
                rijndaelProvider.IV = Keys;
                ICryptoTransform rijndaelDecrypt = rijndaelProvider.CreateDecryptor();

                byte[] inputData = Convert.FromBase64String(decryptString);
                byte[] decryptedData = rijndaelDecrypt.TransformFinalBlock(inputData, 0, inputData.Length);

                return Encoding.UTF8.GetString(decryptedData);
            }
            catch
            {
                return "";
            }

        }

        public static string Encode(string encryptString)
        {
            return Encode(encryptString, "jidesoft");
        }

        public static string Decode(string encryptString)
        {
            return Decode(encryptString, "jidesoft");
        }
    }

    /// <summary> 
    /// 加密
    /// </summary> 
    public class DES
    {
        //默认密钥向量
        private static byte[] Keys = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };

        /// <summary>
        /// DES加密字符串
        /// </summary>
        /// <param name="encryptString">待加密的字符串</param>
        /// <param name="encryptKey">加密密钥,要求为8位</param>
        /// <returns>加密成功返回加密后的字符串,失败返回源串</returns>
        public static string Encode(string encryptString, string encryptKey)
        {
            encryptKey = Utils.GetSubString(encryptKey, 8, "");
            encryptKey = encryptKey.PadRight(8, ' ');
            byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
            byte[] rgbIV = Keys;
            byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
            DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
            MemoryStream mStream = new MemoryStream();
            CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
            cStream.Write(inputByteArray, 0, inputByteArray.Length);
            cStream.FlushFinalBlock();
            return Convert.ToBase64String(mStream.ToArray());

        }

        /// <summary>
        /// DES解密字符串
        /// </summary>
        /// <param name="decryptString">待解密的字符串</param>
        /// <param name="decryptKey">解密密钥,要求为8位,和加密密钥相同</param>
        /// <returns>解密成功返回解密后的字符串,失败返源串</returns>
        public static string Decode(string decryptString, string decryptKey)
        {
            try
            {
                decryptKey = Utils.GetSubString(decryptKey, 8, "");
                decryptKey = decryptKey.PadRight(8, ' ');
                byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey);
                byte[] rgbIV = Keys;
                byte[] inputByteArray = Convert.FromBase64String(decryptString);
                DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider();

                MemoryStream mStream = new MemoryStream();
                CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
                cStream.Write(inputByteArray, 0, inputByteArray.Length);
                cStream.FlushFinalBlock();
                return Encoding.UTF8.GetString(mStream.ToArray());
            }
            catch
            {
                return "";
            }
        }

        public static string Encode(string encryptString)
        {
            return Encode(encryptString, "jidesoft");
        }

        public static string Decode(string encryptString)
        {
            return Decode(encryptString, "jidesoft");
        }
    }