ASP.NET MVC路由扩展：链接和URL的生成(4)

  12:     {
  13:         return this.Action(actionName, null, null, null, null);
  14:     }
  15:     public string Action(string actionName, object routeValues)
  16:     {
  17:         return this.Action(actionName, null,
  18:             new RouteValueDictionary(routeValues), null, null);
  19:     }
  20:     public string Action(string actionName, string controllerName)
  21:     {
  22:         return this.Action(actionName, controllerName, null, null, null);
  23:     }
  24:     public string Action(string actionName, RouteValueDictionary routeValues)
  25:     {
  26:         return this.Action(actionName, null, routeValues, null, null);
  27:     }
  28:     public string Action(string actionName, string controllerName,  object routeValues)
  29:     {
  30:         return this.Action(actionName, controllerName, new RouteValueDictionary(routeValues), null, null);
  31:     }
  32:     public string Action(string actionName, string controllerName, RouteValueDictionary routeValues)
  33:     {
  34:         return this.Action(actionName, controllerName, routeValues, null, null);
  35:     }
  36:     public string Action(string actionName, string controllerName, object routeValues, string protocol)
  37:     {
  38:         return this.Action(actionName, controllerName, new RouteValueDictionary(routeValues), protocol, null);
  39:     }
  40:     public string Action(string actionName, string controllerName, RouteValueDictionary routeValues, string protocol, string hostName)
  41:     {
  42:         controllerName = controllerName ?? (string)this.RequestContext.RouteData.Values["controller"];
  43:         routeValues = routeValues ?? new RouteValueDictionary();
  44:         routeValues.Add("action", actionName);
  45:         routeValues.Add("controller", controllerName);