MVC 中使用破折号路由可选参数

发布于 2024-09-02 09:28:07 字数 1085 浏览 2 评论 0原文

我做了这样的路由定义:

 routes.MapRoute("ProductSearch", "Search-{MainGroup}-{SubGroup}-{ItemType}",
   new {
    controller = "Product",
    action = "Search",
    MainGroup = "", SubGroup = "", ItemWebType = ""});

如果参数为空,它将不起作用。 实际上它解析了 url,因此 Url.Action 方法解析了路径“Search-12--”,但链接不起作用,因此页面的 GET 不起作用

使用斜线,它正在工作 Url.Action 方法使“Search” /12"

"Search/{MainGroup}/{SubGroup}/{ItemType}"

是否可以以某种方式纠正它?

我用默认的mvc项目制作了一个示例: 仅添加: 默认路由之前:

    routes.MapRoute(DefaultSearch", "Search-{MainGroup}-{Subgroup}-{ItemType}",
        new {controller = "Home",action = "About", MainGroup = "", 
              Subgroup = "", ItemType = ""});

在 Home/index.aspx 中:

<a href="<%=Url.Action("About", "Home", new {maingroup = "2", subgroup = "", itemType = ""}) %>">
    Search</a>

在 HomeController 中:

public ActionResult About(string maingroup, string subgroup, string itemtype)
{
  return View();
}

单击链接和 404

I've made an routing definition like this:

 routes.MapRoute("ProductSearch", "Search-{MainGroup}-{SubGroup}-{ItemType}",
   new {
    controller = "Product",
    action = "Search",
    MainGroup = "", SubGroup = "", ItemWebType = ""});

It is not working if the parameters are empty.
Actually it resolves the url, so Url.Action method resolves the path "Search-12--" but the link is not working, so the GET of the page is not working

With slashes it is working the Url.Action method makes "Search/12"

"Search/{MainGroup}/{SubGroup}/{ItemType}"

Is it somehow possible to correct it?

I made a sample with the default mvc project:
Only added:
before default route:

    routes.MapRoute(DefaultSearch", "Search-{MainGroup}-{Subgroup}-{ItemType}",
        new {controller = "Home",action = "About", MainGroup = "", 
              Subgroup = "", ItemType = ""});

in Home/index.aspx:

<a href="<%=Url.Action("About", "Home", new {maingroup = "2", subgroup = "", itemType = ""}) %>">
    Search</a>

In HomeController:

public ActionResult About(string maingroup, string subgroup, string itemtype)
{
  return View();
}

Click on the link and 404

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怀里藏娇 2024-09-09 09:28:07

你用什么版本?在 mvc 2 中,您可以使用 UrlParameter.Optional 作为路由的默认值。

What version do you use? in mvc 2 you can use UrlParameter.Optional as default values for routes.

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