这篇文章将为大家详细讲解有关ASP.NET MVC路由配置的示例分析，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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XD 首先说URL的构造。 其实这个也谈不上构造，只是语法特性吧。
routes.MapRoute(name: "Default",url: "{controller}/{action}/{id}", defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional } );Route myRoute = new Route("{controller}/{action}", new MvcRouteHandler());
routes.Add("MyRoute", myRoute);routes.MapRoute("ShopSchema", "Shop/{action}", new { controller = "Home" });个人觉得第一种比较易懂，第二种方便调试，第三种写起来比较效率吧。各取所需吧。本文行文偏向于第三种。
routes.MapRoute(
"Default", // 路由名称
"{controller}/{action}/{id}", // 带有参数的 URL
new { controller = "Home", action = "Index", id = UrlParameter.Optional } // 参数默认值 (UrlParameter.Optional-可选的意思) );routes.MapRoute("ShopSchema2", "Shop/OldAction", new { controller = "Home", action = "Index" });
routes.MapRoute("ShopSchema", "Shop/{action}", new { controller = "Home" });
routes.MapRoute("ShopSchema2", "Shop/OldAction.js",
new { controller = "Home", action = "Index" });没有占位符路由就是现成的写死的。
比如这样写然后去访问http://localhost:XXX/Shop/OldAction.js，response也是完全没问题的。 controller , action , area这三个保留字就别设静态变量里面了。
routes.MapRoute("MyRoute2", "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = "DefaultId" });这种情况如果访问 /Home/Index 的话，因为第三段（id）没有值，根据路由规则这个参数会被设为DefaultId
这个用viewbag给title赋值就能很明显看出
ViewBag.Title = RouteData.Values["id"];
图不贴了，结果是标题显示为DefaultId。 注意要在控制器里面赋值，在视图赋值没法编译的。
然后再回到默认路由。 UrlParameter.Optional这个叫可选URL段.路由里没有这个参数的话id为null。 照原文大致说法，这个可选URL段能用来实现一个关注点的分离。刚才在路由里直接设定参数默认值其实不是很好。照我的理解，实际参数是用户发来的，我们做的只是定义形式参数名。但是，如果硬要给参数赋默认值的话，建议用语法糖写到action参数里面。比如：
public ActionResult Index(string id = "abcd"){ViewBag.Title = RouteData.Values["id"];return View();}routes.MapRoute("MyRoute", "{controller}/{action}/{id}/{*catchall}", new { controller = "Home", action = "Index", id = UrlParameter.Optional });在这里id和最后一段都是可变的，所以 /Home/Index/dabdafdaf 等效于 /Home/Index//abcdefdjldfiaeahfoeiho 等效于 /Home/Index/All/Delete/Perm/.....
这个提醒一下记得引用命名空间，开启IIS网站不然就是404。这个非常非主流，不建议瞎搞。
routes.MapRoute("MyRoute","{controller}/{action}/{id}/{*catchall}", new { controller = "Home", action = "Index", id = UrlParameter.Optional },new[] { "URLsAndRoutes.AdditionalControllers", "UrlsAndRoutes.Controllers" });但是这样写的话数组排名不分先后的，如果有多个匹配的路由会报错。 然后作者提出了一种改进写法。
routes.MapRoute("AddContollerRoute","Home/{action}/{id}/{*catchall}",new { controller = "Home", action = "Index", id = UrlParameter.Optional },new[] { "URLsAndRoutes.AdditionalControllers" });
routes.MapRoute("MyRoute", "{controller}/{action}/{id}/{*catchall}", new { controller = "Home", action = "Index", id = UrlParameter.Optional },new[] { "URLsAndRoutes.Controllers" });这样第一个URL段不是Home的都交给第二个处理 最后还可以设定这个路由找不到的话就不给后面的路由留后路啦，也就不再往下找啦。
Route myRoute = routes.MapRoute("AddContollerRoute",
"Home/{action}/{id}/{*catchall}",
new { controller = "Home", action = "Index", id = UrlParameter.Optional },
new[] { "URLsAndRoutes.AdditionalControllers" }); myRoute.DataTokens["UseNamespaceFallback"] = false;routes.MapRoute("MyRoute", "{controller}/{action}/{id}/{*catchall}",
new { controller = "Home", action = "Index", id = UrlParameter.Optional },
new { controller = "^H.*"},
new[] { "URLsAndRoutes.Controllers"});routes.MapRoute("MyRoute", "{controller}/{action}/{id}/{*catchall}",
new { controller = "Home", action = "Index", id = UrlParameter.Optional },
new { controller = "^H.*", action = "^Index$|^About$"},
new[] { "URLsAndRoutes.Controllers"});routes.MapRoute("MyRoute", "{controller}/{action}/{id}/{*catchall}",
new { controller = "Home", action = "Index", id = UrlParameter.Optional },
new { controller = "^H.*", action = "Index|About", httpMethod = new HttpMethodConstraint("GET") },
new[] { "URLsAndRoutes.Controllers" });routes.MapPageRoute("", "", "~/Default.aspx");
routes.MapPageRoute("list", "Items/{action}", "~/Items/list.aspx", false, new RouteValueDictionary { { "action", "all" } });
routes.MapPageRoute("show", "Show/{action}", "~/show.aspx", false, new RouteValueDictionary { { "action", "all" } });
routes.MapPageRoute("edit", "Edit/{id}", "~/edit.aspx", false, new RouteValueDictionary { { "id", "1" } }, new RouteValueDictionary { { "id", @"\d+" } });具体的可以看
使用Asp.Net4新特性路由创建WebForm应用
或者官方msdn
首先要在路由注册方法那里
//启用路由特性映射 routes.MapMvcAttributeRoutes();
这样
[Route("Login")]route特性才有效.该特性有好几个重载.还有路由约束啊,顺序啊,路由名之类的.
[RoutePrefix("reviews")]
[Route("{action=index}")]
public class ReviewsController : Controller
{
}// eg: /users/5
[Route("users/{id:int}"]
public ActionResult GetUserById(int id) { ... }
// eg: users/ken
[Route("users/{name}"]
public ActionResult GetUserByName(string name) { ... }// eg: /users/5
// but not /users/10000000000 because it is larger than int.MaxValue,
// and not /users/0 because of the min(1) constraint.
[Route("users/{id:int:min(1)}")]
public ActionResult GetUserById(int id) { ... }| Constraint | Description | Example |
|---|---|---|
| alpha | Matches uppercase or lowercase Latin alphabet characters (a-z, A-Z) | {x:alpha} |
| bool | Matches a Boolean value. | {x:bool} |
| datetime | Matches a DateTime value. | {x:datetime} |
| decimal | Matches a decimal value. | {x:decimal} |
| double | Matches a 64-bit floating-point value. | {x:double} |
| float | Matches a 32-bit floating-point value. | {x:float} |
| guid | Matches a GUID value. | {x:guid} |
| int | Matches a 32-bit integer value. | {x:int} |
| length | Matches a string with the specified length or within a specified range of lengths. | {x:length(6)} {x:length(1,20)} |
| long | Matches a 64-bit integer value. | {x:long} |
| max | Matches an integer with a maximum value. | {x:max(10)} |
| maxlength | Matches a string with a maximum length. | {x:maxlength(10)} |
| min | Matches an integer with a minimum value. | {x:min(10)} |
| minlength | Matches a string with a minimum length. | {x:minlength(10)} |
| range | Matches an integer within a range of values. | {x:range(10,50)} |
| regex | Matches a regular expression. | {x:regex(^\d{3}-\d{3}-\d{4}$)} |
具体的可以参考
Attribute Routing in ASP.NET MVC 5
对我来说,这样的好处是分散了路由规则的定义.有人喜欢集中,我个人比较喜欢这种灵活的处理.因为这个action定义好后,我不需要跑到配置那里定义对应的路由规则
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Routing; ////// If the standard constraints are not sufficient for your needs, you can define your own custom constraints by implementing the IRouteConstraint interface. /// public class UserAgentConstraint : IRouteConstraint { private string requiredUserAgent; public UserAgentConstraint(string agentParam) { requiredUserAgent = agentParam; } public bool Match(HttpContextBase httpContext, Route route, string parameterName, RouteValueDictionary values, RouteDirection routeDirection) { return httpContext.Request.UserAgent != null && httpContext.Request.UserAgent.Contains(requiredUserAgent); } }
routes.MapRoute("ChromeRoute", "{*catchall}",
new { controller = "Home", action = "Index" },
new { customConstraint = new UserAgentConstraint("Chrome") },
new[] { "UrlsAndRoutes.AdditionalControllers" });比如这个就用来匹配是否是用谷歌浏览器访问网页的。
routes.RouteExistingFiles = true;
routes.MapRoute("DiskFile", "Content/StaticContent.html", new { controller = "Customer", action = "List", });浏览网站，以开启 IIS Express，然后点显示所有应用程序-点击网站名称-配置（applicationhost.config）-搜索UrlRoutingModule节点
把这个节点里的preCondition删除，变成
routes.IgnoreRoute("Content/{filename}.html");文件名还可以用 {filename}占位符。
IgnoreRoute方法是RouteCollection里面StopRoutingHandler类的一个实例。路由系统通过硬-编码识别这个Handler。如果这个规则匹配的话，后面的规则都无效了。 这也就是默认的路由里面routes.IgnoreRoute("{resource}.axd/{*pathInfo}");写最前面的原因。
PM> Install-Package Moq
using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Web;
using Moq;
using System.Web.Routing;
using System.Reflection;
[TestClass]
public class RoutesTest
{
private HttpContextBase CreateHttpContext(string targetUrl = null, string HttpMethod = "GET")
{
// create the mock request
Mock mockRequest = new Mock();
mockRequest.Setup(m => m.AppRelativeCurrentExecutionFilePath)
.Returns(targetUrl);
mockRequest.Setup(m => m.HttpMethod).Returns(HttpMethod);
// create the mock response
Mock mockResponse = new Mock();
mockResponse.Setup(m => m.ApplyAppPathModifier(
It.IsAny())).Returns(s => s);
// create the mock context, using the request and response
Mock mockContext = new Mock();
mockContext.Setup(m => m.Request).Returns(mockRequest.Object);
mockContext.Setup(m => m.Response).Returns(mockResponse.Object);
// return the mocked context
return mockContext.Object;
}
private void TestRouteMatch(string url, string controller, string action, object routeProperties = null, string httpMethod = "GET")
{
// Arrange
RouteCollection routes = new RouteCollection();
RouteConfig.RegisterRoutes(routes);
// Act - process the route
RouteData result = routes.GetRouteData(CreateHttpContext(url, httpMethod));
// Assert
Assert.IsNotNull(result);
Assert.IsTrue(TestIncomingRouteResult(result, controller, action, routeProperties));
}
private bool TestIncomingRouteResult(RouteData routeResult, string controller, string action, object propertySet = null)
{
Func valCompare = (v1, v2) =>
{
return StringComparer.InvariantCultureIgnoreCase
.Compare(v1, v2) == 0;
};
bool result = valCompare(routeResult.Values["controller"], controller)
&& valCompare(routeResult.Values["action"], action);
if (propertySet != null)
{
PropertyInfo[] propInfo = propertySet.GetType().GetProperties();
foreach (PropertyInfo pi in propInfo)
{
if (!(routeResult.Values.ContainsKey(pi.Name)
&& valCompare(routeResult.Values[pi.Name],
pi.GetValue(propertySet, null))))
{
result = false;
break;
}
}
}
return result;
}
private void TestRouteFail(string url)
{
// Arrange
RouteCollection routes = new RouteCollection();
RouteConfig.RegisterRoutes(routes);
// Act - process the route
RouteData result = routes.GetRouteData(CreateHttpContext(url));
// Assert
Assert.IsTrue(result == null || result.Route == null);
}
[TestMethod]
public void TestIncomingRoutes()
{
// check for the URL that we hope to receive
TestRouteMatch("~/Admin/Index", "Admin", "Index");
// check that the values are being obtained from the segments
TestRouteMatch("~/One/Two", "One", "Two");
// ensure that too many or too few segments fails to match
TestRouteFail("~/Admin/Index/Segment");//失败
TestRouteFail("~/Admin");//失败
TestRouteMatch("~/", "Home", "Index");
TestRouteMatch("~/Customer", "Customer", "Index");
TestRouteMatch("~/Customer/List", "Customer", "List");
TestRouteFail("~/Customer/List/All");//失败
TestRouteMatch("~/Customer/List/All", "Customer", "List", new { id = "All" });
TestRouteMatch("~/Customer/List/All/Delete", "Customer", "List", new { id = "All", catchall = "Delete" });
TestRouteMatch("~/Customer/List/All/Delete/Perm", "Customer", "List", new { id = "All", catchall = "Delete/Perm" });
}
} 最后还是再推荐一下Adam Freeman写的apress.pro.asp.net.mvc.4这本书。稍微熟悉MVC的从第二部分开始读好了。前面都是入门（对我来说是扯淡）。但总比国内某些写书的人好吧——把个开源项目的源代码下载下来帖到书上面来，然后标题起个深入解析XXXX，然后净瞎扯淡。最后一千多页的巨著又诞生了。Adam Freeman的风格我就很喜欢，都是实例写作，然后还在那边书里面专门写了大量的测试。
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