如何在 ASP.NET MVC 中使用查询字符串路由 URL? [英] How do I route a URL with a querystring in ASP.NET MVC?

问题描述

我正在尝试在 MVC 中设置自定义路由，以采用以下格式从另一个系统获取 URL:

I'm trying to setup a custom route in MVC to take a URL from another system in the following format:

../ABC/ABC01?Key=123&Group=456

第二个 ABC 之后的 01 是一个步数，这将改变，并且键和组参数也会改变.我需要将其路由到控制器中的一个动作，并使用步骤编号键和组作为参数.我尝试了以下代码，但它引发了异常:

The 01 after the second ABC is a step number this will change and the Key and Group parameters will change. I need to route this to one action in a controller with the step number key and group as paramters. I've attempted the following code however it throws an exception:

代码:

routes.MapRoute(
    "OpenCase", 
    "ABC/ABC{stepNo}?Key={key}&Group={group}",
    new {controller = "ABC1", action = "OpenCase"}
);

异常:

`The route URL cannot start with a '/' or '~' character and it cannot contain a '?' character.`

推荐答案

您不能在路由中包含查询字符串.试试这样的路线:

You cannot include the query string in the route. Try with a route like this:

routes.MapRoute("OpenCase", "ABC/ABC{stepNo}",
   new { controller = "ABC1", action = "OpenCase" });

然后，在你的控制器上添加一个这样的方法:

Then, on your controller add a method like this:

public class ABC1 : Controller
{
    public ActionResult OpenCase(string stepno, string key, string group)
    {
        // do stuff here
        return View();
    }        
}

ASP.NET MVC 会自动将查询字符串参数映射到控制器中方法中的参数.

ASP.NET MVC will automatically map the query string parameters to the parameters in the method in the controller.

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