asp.net-mvc – 如何在signalR HubClass中使用UrlHelper

注意：如果您需要完全限定的URL,请确保正确设置域(example.com).

protected virtual UrlHelper Url
{
    get
    {
        var httpContext = HttpContext.Current;

        if (httpContext == null)
        {
            var request = new HttpRequest("/","http://example.com","");
            var response = new HttpResponse(new StringWriter());
            httpContext = new HttpContext(request,response);
        }

        var httpContextBase = new HttpContextWrapper(httpContext);
        var routeData = new RouteData();
        var requestContext = new RequestContext(httpContextBase,routeData);

        return new UrlHelper(requestContext);
    }
}