public async override Task TicketReceived(TicketReceivedContext context)
{
//如果不调用HandleResponse，默认的行为是重定向到RedirectUri属性指定的地址。
//在这里不需要定向
var handleResponseContext = new HandleResponseContext(context.HttpContext
, context.Scheme
, context.Options as WeChatClientOptions
, context.Principal);
await HandleResponse(handleResponseContext);
context.HandleResponse();
await base.TicketReceived(context);
}
public virtual Task HandleResponse(HandleResponseContext context) => OnHandleResponse(context);
