C# ASP.NET MVC 公共替代 UrlHelper.GenerateUrl
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ASP.NET MVC public alternative to UrlHelper.GenerateUrl
提问by Jennifer
I want to embed a link to a controller action in my page so I can use it from javascript. Something like
我想在我的页面中嵌入一个指向控制器操作的链接，以便我可以从 javascript 中使用它。就像是
var pollAction = '/Mycontroller/CheckStatus'
Now I am happy to hardcode it, but it would be really nice if there were a method I could use to create the URL. The AjaxHelper/HtmlExtensions contain methods to create hyperlinks (.ActionLink(...) and so on), but if you look into the guts of them, they rely on a method called UrlHelper.GenerateUrl() to resolve a controller and action into a url. This is internal so I can't really get at this.
现在我很高兴对它进行硬编码，但如果有一种方法可以用来创建 URL，那就太好了。AjaxHelper/HtmlExtensions 包含创建超链接的方法（.ActionLink(...) 等等），但是如果你仔细研究它们的内在，它们依赖一个叫做 UrlHelper.GenerateUrl() 的方法来将控制器和动作解析为一个网址。这是内部的，所以我真的无法理解。
Anyone found a good method in the framework to do this? Or must I roll my own?
任何人都在框架中找到了一个很好的方法来做到这一点？还是我必须自己滚动？
采纳答案by mapache
Have you tried something along these lines?
您是否尝试过类似的方法？
var pollAction = '<%=Url.Action("CheckStatus", "MyController") %>';
回答by Michiel
If your page or control inherits from ViewPageor ViewUserControl, use the Url.Actionmethod.
如果您的页面或控件继承自ViewPage或ViewUserControl，请使用该Url.Action方法。
If not, use this instead:
如果没有，请改用它：
String url = RouteTable.Routes.GetVirtualPath
(
((MvcHandler) HttpContext.Current.CurrentHandler).RequestContext,
new RouteValueDictionary
(
new
{
controller = "MyController",
action = "CheckState",
id = idParameter
}
)
).VirtualPath;
Place this inside a method on your code-behind and call it from the HTML view.
将它放在代码隐藏的方法中，并从 HTML 视图中调用它。
