ASP.Net MVC：通过路由和视图方法请求变量

发布于 2024-07-23 15:18:49 字数 604 浏览 2 评论 0原文

基本上，如果我想创建一个带有分页的搜索页面，我需要一个像这样的网址：

/Topics/Index?search=hi&page=1

我似乎不知道如何：

A）设置没有搜索和页面1的默认路由 /Topics/Index?page=1 甚至 /Topics/Index?search=&page=1

B) 使用 View 方法执行相同的操作

我确实看到，如果我在控件上有一个方法：

Index(String search, Int32? page)

并使用 url：

/Topics/Index?search=hi&page=1 or /Topics/Index?search=hi

它给了我我想要的方法。我只需要一种方法来获取主题控制器的默认路由，以使用所述请求变量创建默认 url。我只是不认为

/Topics/Index/hi/1

有利于搜索网址，主要是因为不能保证我会有搜索词或页面，所以它最终可能会像：

/Topics/Index/1

原文

Basically if I wanted to make something a search page with paging I would need a url like:

/Topics/Index?search=hi&page=1

What I can't seem to figure out is how to:

A) Set a default route with no search and page 1
/Topics/Index?page=1 or even /Topics/Index?search=&page=1

B) use the View method to do the same

I do see that if I have a method on the control:

Index(String search, Int32? page)

And use the url:

/Topics/Index?search=hi&page=1 or /Topics/Index?search=hi

It gives me what I want in the method. I just need a way to get a default route for the Topic controller to create a default url with said request variables. I just don't think that

/Topics/Index/hi/1

Is conducive to a search url, mostly because there's no guarantee I'll have search terms or a page so it could end up like:

/Topics/Index/1

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一影成城 2024-07-30 15:18:50

您在 RouteValueDictionary 中传递的任何未映射到 Url 部分的内容都将作为查询字符串参数添加。所以你可以这样做：

Url.GenerateUrl("Route", "Index", "Topics", 
  new RouteValueDictionary(new 
    { 
      page = this.Model.PageNumber, 
      search = this.Model.Search
    });

Anything you pass in the RouteValueDictionary that doesn't map to a part of your Url will get added as a querystring parameter. So you can do:

Url.GenerateUrl("Route", "Index", "Topics", 
  new RouteValueDictionary(new 
    { 
      page = this.Model.PageNumber, 
      search = this.Model.Search
    });

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北城半夏 2024-07-30 15:18:50

所以基本上我通过在控制器上设置默认值来处理非值。但不确定这是最好的主意。

在 GLobal.asax 中：

routes.MapRoute
(
 "TopicDefault",                                              
 "Topic/{action}",                          
  new { controller = "Topic", action = "Index"}  
);

在控制器上：

public ActionResult Index(Int32? parentForumId, Int32? pageNumber, Int32? amountToShow)
{

  Int32 revisedPageNumber = pageNumber.HasValue ? pageNumber.Value : 0;
  Int32 revisedAmountToShow = amountToShow.HasValue ? amountToShow.Value : 10;
  Int32 revisedParentForumId = parentForumId.HasValue ? parentForumId.Value : 1;

  IList<TopicCreateViewModel> modelValues =
     Topic.GetListForGrid(revisedParentForumId, revisedPageNumber, 
       revisedAmountToShow, out realPage)


  return View("Index", modelValues);
}

So basically I resorted to handling the non values by setting up defaults on the controller. Not sure this is the best idea though.

In GLobal.asax:

routes.MapRoute
(
 "TopicDefault",                                              
 "Topic/{action}",                          
  new { controller = "Topic", action = "Index"}  
);

On the Controller:

public ActionResult Index(Int32? parentForumId, Int32? pageNumber, Int32? amountToShow)
{

  Int32 revisedPageNumber = pageNumber.HasValue ? pageNumber.Value : 0;
  Int32 revisedAmountToShow = amountToShow.HasValue ? amountToShow.Value : 10;
  Int32 revisedParentForumId = parentForumId.HasValue ? parentForumId.Value : 1;

  IList<TopicCreateViewModel> modelValues =
     Topic.GetListForGrid(revisedParentForumId, revisedPageNumber, 
       revisedAmountToShow, out realPage)


  return View("Index", modelValues);
}

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