WeChat で Html5 ライト ゲームを開発する際のいくつかの落とし穴を共有する

　　　　　　if (!HttpContext.Current.Request.Browser.IsMobileDevice)
            {                
            var result = new RedirectResult("url", true);
                filterContext.Result = result;               
                 return;
            }            
            if (string.IsNullOrEmpty(HttpContext.Current.Request.UserAgent))
            {                
            var result = new RedirectResult("url", true);
                filterContext.Result = result;                
                return;
            }            
            if (HttpContext.Current.Request.UserAgent.IndexOf("MicroMessenger") == -1)
            {                
            var result = new RedirectResult("url", true);
                filterContext.Result = result;                
                return;
            }

　　　　　　var useragent = HttpContext.Current.Request.UserAgent.ToLower();            
　　　　　　if (useragent.IndexOf("Windows Phone".ToLower()) != -1)
            {                
            base.OnActionExecuting(filterContext);                
            return;
            }

　　　　dataForWeixin.callback = function () {            //一些初始化的操作
        }

　　　　#region 微信授权       
　　　　 public ActionResult WeixinLogin(string CurrentUrl)
        {            
        string url = WeixinOAuth2.Authorize(Server.UrlEncode(CurrentUrl));            
        return RedirectPermanent(url);
        }        
        public ActionResult WeixinCallback()
        {            
        if (!string.IsNullOrEmpty(Request["code"]))
            {                
            // 获取AccessToken参数
                var param = WeixinOAuth2.GetAccessToken(Request["code"]);                
                string url = string.Format("{0}#access_token={1}&openid={2}&expires_in={3}&state={4}", ConfigHelper.GetValue("Weixin_Callback"), param.access_token,param.openid,param.expires_in, Server.UrlDecode(Request.QueryString["state"]));                
                //重新跳转到回调页面，保持腾讯登录相同风格
                return Redirect(url);
            }            
            return View();
        }
　　　　/// <summary>
        /// 授权请求页面        
        /// </summary>
        /// <param name="flag">0为获取微信基本信息 1为获取微信openid接口</param>
        /// <returns></returns>
        public static string Authorize(string ReturnUrl)
        {            
        string url=string.Format("//m.sbmmt.com/{0}&redirect_uri={1}&response_type=code&scope=snsapi_base&state={2}#wechat_redirect", Weixin_AppKey, Weixin_GetOpenIDCallback, ReturnUrl);            
        return url;
        }　　
　　　　#endregion