Cookies用法

    HttpApplication app = sender as HttpApplication;
	HttpContext context = app.Context;
	var curRequest = app.Request;
	var cookies = app.Request.Cookies;
	//新增
	HttpCookie cookie = new HttpCookie("wxtoken");
	cookie.Value = wxtoken;
	cookie.Expires = DateTime.Now.AddDays(2);//有效期
	context.Response.Cookies.Add(cookie);
	//取
	var s=cookies["wxtoken"]