.net 解决spider多次和重复抓取的方案

routes.MapRoute("RentofficeList",
               "rentofficelist/{AredId}-{PriceId}-{AcreageId}-{SortId}-{SortNum}.html",
               new { controller = "Home", action = "RentOfficeList" },
               new[] { "Mobile.Controllers" });

int areaId = GetRouteInt("AredId");//获取参数
/// <summary>
/// 获得路由中的值
/// </summary>
/// <param name="key">键</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
protected int GetRouteInt(string key, int defaultValue)
{
return Convert.ToInt32(RouteData.Values[key], defaultValue);
}
/// <summary>
/// 获得路由中的值
/// </summary>
/// <param name="key">键</param>
/// <returns></returns>
protected int GetRouteInt(string key)
{
return GetRouteInt(key, 0);
}