MVC集合ModelBinder

public class FormExtensionValueProviderFactory : ValueProviderFactory
    {
        public override IValueProvider GetValueProvider(ControllerContext controllerContext)
        {
            NameValueCollection requestData = new NameValueCollection();
            var headers = controllerContext.RequestContext.HttpContext.Request.Headers;
            foreach (string key in headers.Keys)
            {
                requestData.Add(key.Replace("-", ""), headers[key]);
            }
            var forms = controllerContext.RequestContext.HttpContext.Request.Form;
            foreach (string key in forms.Keys)
            {
                if (!string.IsNullOrEmpty(key))
                {
                    requestData.Add(ReplaceText(key), forms[key]);
                }
            }
            return new NameValueCollectionValueProvider(requestData, CultureInfo.InvariantCulture);
        }

        public string ReplaceText(string CommandText)
        {
            Regex reg = new Regex(@"(?<part1>(\S*)\[)(?<part2>(\d*)\])(?<part3>(\[\S*\]))", RegexOptions.IgnoreCase | RegexOptions.Multiline);
            var result = reg.Match(CommandText).Groups;

            if (result["part2"] != null && result.Count > 1)
            {
                string part1 = result["part1"].Value;
                string part2 = result["part2"].Value;
                string part3 = result["part3"].Value;
                return result["part1"].Value + result["part2"].Value
                     + result["part3"].Value.Replace("[", ".").Replace("]", "");
            }
            else
            {
                return CommandText;
            }
        }

    }

ValueProviderFactories.Factories.Insert(0, new FormExtensionValueProviderFactory());