ASP.NET MVC：路线到URL [英] ASP.NET MVC: Route to URL

问题描述

什么是获取URL（相对或绝对）在MVC路由最简单的方法？我在这里看到了这个code对SO，但似乎有点冗长，不枚举RouteTable。

What's the easiest way to get the URL (relative or absolute) to a Route in MVC? I saw this code here on SO but it seems a little verbose and doesn't enumerate the RouteTable.

例如：

List<string> urlList = new List<string>();
urlList.Add(GetUrl(new { controller = "Help", action = "Edit" }));
urlList.Add(GetUrl(new { controller = "Help", action = "Create" }));
urlList.Add(GetUrl(new { controller = "About", action = "Company" }));
urlList.Add(GetUrl(new { controller = "About", action = "Management" }));

使用：

protected string GetUrl(object routeValues)
{
    RouteValueDictionary values = new RouteValueDictionary(routeValues);
    RequestContext context = new RequestContext(HttpContext, RouteData);

    string url = RouteTable.Routes.GetVirtualPath(context, values).VirtualPath;

    return new Uri(Request.Url, url).AbsoluteUri;
}

什么是更好的方式来检查RouteTable并获得一个给定的控制器和行动的网址？

What's a better way to examine the RouteTable and get a URL for a given controller and action?

推荐答案

这个怎么样（控制器）：

How about this (in the controller):

    public IEnumerable<SiteMapEntry> SiteMapEntries
    {
        get
        {
            var entries = new List<SiteMapEntry>();

            foreach (var route in this.Routes)
            {
                entries.Add(new SiteMapEntry
                (
                    this.Url.RouteUrl(route.Defaults),
                    SiteMapEntry.ChangeFrequency.Weekly,
                    DateTime.Now,
                    1F));
            }

            return entries;
        }
    }

当控制器成员：

public IEnumerable<Route> Routes

注意：

this.Url.RouteUrl(route.Defaults)

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