Wxpay       

##微信支付的坑

###回调

微信请求回调地址的post参数是stream

所以servicestack服务器的route应该写成如下格式

   [Route("/callback/wxpay", "Post")]
	public class WxPayCallback : IReturn<string>, IRequiresRequestStream
	{
		/// <summary>
		/// The raw Http Request Input Stream
		/// </summary>
		public Stream RequestStream {get;set;}
	}