有选择的复制对象，即根据客户端传值来复制对象属性值

 有选择的复制对象，即根据客户端传值来复制对象属性值第一个方法是接收调用方发来的参数列表，此方法很有用。第二个方法是根据调用方发来的参数来更新target对象，而不是只要source对象都更新为target对象的值。其中，第二个对象复制方法中，有对象属性有别名的情况，不需要的话可以直接删掉相关代码。 private Dictionary<string, object> GetPostData()
        {

            Dictionary<string, object> dic = new Dictionary<string, object>();

            var context = Request.Properties["MS_HttpContext"] as System.Web.HttpContextBase;
            var request = context.Request;
            foreach (string key in request.QueryString.Keys) dic[key] = request.QueryString[key];
            foreach (string key in request.Form.Keys) dic[key] = request.Form[key];

            var stream = context.Request.InputStream;
            stream.Seek(0, System.IO.SeekOrigin.Begin);
            stream.Position = 0;
            using (StreamReader sr = new StreamReader(stream, Encoding.UTF8))
            {
                IDictionary<string, JToken> data = JsonConvert.DeserializeObject<JObject>(sr.ReadToEnd());
                data.ForEach(p => dic[p.Key] = p.Value);
            }

            return dic;
        }/// <summary>
        /// 对象属性复制,该方法依赖HttpContent请求
        /// </summary>
        /// <param name="target"></param>
        /// <param name="source"></param>
        private void TryUpdateModel(IMember target, IMember source)
        {
            object value = null;
            if (target == null)
            {
                target = new ThreeMMember();
            }
            var PropertyList = source.GetType().GetProperties();
            var props = PropertyList.Select(p => p.Name).Join(GetPostData().Keys.ToArray(), p => p, p => p, (a, b) => a).Except(new List<string> { "Code" });
            foreach (var prop in props)
            {
                var pp = PropertyList.FirstOrDefault(p => p.Name == prop);
                value = pp.GetValue(source);
                var att = pp.GetCustomAttributes(typeof(BsonElementAttribute), true) as BsonElementAttribute[];
                var pp1 = att.Any() ? att.FirstOrDefault().ElementName : prop;
                target.SetProperty(pp1, value);
            }
        }