public HttpResponseMessage Post([FromBody] WeChatUser model) { var m = WechatDapper.Query("select * from WechatUser where openid=@openId", new { openId = model.OpenId }).FirstOrDefault(); if (m == null) { WechatDapper.Add(model); } HttpResponseMessage result = Request.CreateResponse(HttpStatusCode.OK, new { status = "OK" }, Configuration.Formatters.JsonFormatter); return(result); }