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C#字典转对象 

/// <summary>
        /// Assign parameters to specified objects
        /// </summary>
        /// <typeparam name="T">object type</typeparam>
        /// <param name="dic">Fields/values</param>
        /// <returns></returns>
        static public T Assign<T>(Dictionary<string, string> dic) where T : new()
        {
            Type myType = typeof(T);
            T entity = new T();
            var fields = myType.GetProperties();
            string val = string.Empty;
            object obj = null;

            foreach (var field in fields)
            {
                if (!dic.ContainsKey(field.Name))
                    continue;
                val = dic[field.Name];

                object defaultVal;
                if (field.PropertyType.Name.Equals("String"))
                    defaultVal = "";
                else if (field.PropertyType.Name.Equals("Boolean"))
                {
                    defaultVal = false;
                    val = (val.Equals("1") || val.Equals("on")).ToString();
                }
                else if (field.PropertyType.Name.Equals("Decimal"))
                    defaultVal = 0M;
                else
                    defaultVal = 0;

                if (!field.PropertyType.IsGenericType)
                    obj = string.IsNullOrEmpty(val) ? defaultVal : Convert.ChangeType(val, field.PropertyType);
                else
                {
                    Type genericTypeDefinition = field.PropertyType.GetGenericTypeDefinition();
                    if (genericTypeDefinition == typeof(Nullable<>))
                        obj = string.IsNullOrEmpty(val) ? defaultVal : Convert.ChangeType(val, Nullable.GetUnderlyingType(field.PropertyType));
                }

                field.SetValue(entity, obj, null);
            }

            return entity;
        }
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调用

CupResponse resp = WebUtils.Assign<CupResponse>(respDictionary);
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 单元测试

        [TestMethod]
        public void AssignTest()
        {
            string respDataJson = "instId=&merNo=&signature=&respData=eyJyZXNwTXNnIjoi5ZWG5oi35oql5paH6Kej5p6Q5byC5bi4IiwicmVzcENvZGUiOiIxMDAxMDAwNCJ9";
            Dictionary<string, string> respDictionary = WebUtils.ParseToDictionary(respDataJson);
            if (respDictionary != null)
            {

                CupResponse resp = new CupResponse()
                {
                    instId = respDictionary["instId"],
                    merNo = respDictionary["merNo"],
                    signature = respDictionary["signature"],
                    respData = respDictionary["respData"]
                };

                CupResponse resp2 = WebUtils.Assign<CupResponse>(respDictionary);

            }
        }
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类

/// <summary>
    /// 交易密文报文响应类
    /// </summary>
    public class CupResponse
    {
        /// <summary>
        /// 签名值，商户报文签名信息
        /// </summary>
        public string signature { get; set; }

        /// <summary>
        /// 商户号，同请求
        /// </summary>
        public string merNo { get; set; }

        /// <summary>
        /// 机构号，同请求
        /// </summary>
        public string instId { get; set; }

        /// <summary>
        /// 响应报文，Base64 后的响应报文体，对响应明文报文JSON 数据取 UTF-8 字节流进行Bases64 编码
        /// </summary>
        public string respData { get; set; }
    }
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