类库中获取Session首先要添加引用
获取Session
string user = (string)HttpContext.Current.Session["user"];
获取Page
System.Web.UI.Page page = (System.Web.UI.Page)HttpContext.Current.Handler;
获取当前 Request Response 等对象都是在这里
HttpResponse response = System.Web.HttpContext.Current.Response; HttpRequest request = System.Web.HttpContext.Current.Request;