public async Task <IActionResult> GetAppMenu([FromServices] AppData appData, [FromServices] IUtilRepository util)
{
var business = HttpContext.Session.Get <Business>(appData.Session);
if (business == null)
{
throw new Exception("请先登录");
}
var token = await util.GetTokenAsync(business.WeChatAppId, business.WeChatSecret);
var menu = await WxHelper.GetAppMenuAsync(token);
return(Json(menu));
}