我将首先带来代码。
控制器:
public ActionResult VideoList(int page)
{
}
[HttpPost]
public ActionResult SaveWindowWidth(string width)
{
return Json(new { success = true });
}JS:
$(document).ready(function ()
{
var width = $("#Window").width();
$.ajax(
{
type: "POST",
url: '/Video/SaveWindowWidth',
async: "true",
data: { "width": width },
dataType: 'text json',
contentType: 'application/x-www-form-urlencoded; charset=UTF-8',
success: function (data, status)
{
if (data)
{
alert(data.status);
}
},
error: function (data, status)
{
if (data)
{
alert(data.status);
}
}
})
})路由:
routes.MapRoute(
"Home", // Route name
"Home", // URL with parameters
new { controller = "Home", action = "Index" }
);
routes.MapRoute(
"BookPage", // Route name
"BookPage/{page}", // URL with parameters
new { controller = "Book", action = "Page" }
);
routes.MapRoute(
"BlogMember", // Route name
"BlogMember/{id}/{page}", // URL with parameters
new { controller = "Blog", action = "Member" }
);
routes.MapRoute(
"BlogPost", // Route name
"BlogPost/{id}/{page}", // URL with parameters
new { controller = "Blog", action = "Post" }
);
routes.MapRoute(
"BlogPage", // Route name
"BlogPage/{page}", // URL with parameters
new { controller = "Blog", action = "Page" }
);
routes.MapRoute(
"BlogTag", // Route name
"BlogTag/{tag}/{page}", // URL with parameters
new { controller = "Blog", action = "Tag" }
);
routes.MapRoute(
"NewBlogPostComment", // Route name
"NewBlogPostComment", // URL with parameters
new { controller = "Blog", action = "NewBlogPostComment" }
);
routes.MapRoute(
"NewBlogPost", // Route name
"NewBlogPost", // URL with parameters
new { controller = "Blog", action = "NewBlogPost" }
);
routes.MapRoute(
"EditBlogPost", // Route name
"EditBlogPost/{id}", // URL with parameters
new { controller = "Blog", action = "EditBlogPost" }
);
routes.MapRoute(
"Account", // Route name
"Account", // URL with parameters
new { controller = "Account", action = "Update" }
);
routes.MapRoute(
"LogOff", // Route name
"LogOff", // URL with parameters
new { controller = "Account", action = "LogOff" }
);
routes.MapRoute(
"LogOn", // Route name
"LogOn", // URL with parameters
new { controller = "Account", action = "LogOn" }
);
routes.MapRoute(
"Register", // Route name
"Register", // URL with parameters
new { controller = "Account", action = "Register" }
);
//routes.MapRoute(
// "About", // Route name
// "About", // URL with parameters
// new { controller = "Home", action = "About" }
//);
routes.MapRoute(
"Contact", // Route name
"Contact", // URL with parameters
new { controller = "Home", action = "Contact" }
);
routes.MapRoute(
"UnderConstruction", // Route name
"UnderConstruction", // URL with parameters
new { controller = "Home", action = "UnderConstruction" }
);
routes.MapRoute(
"DisableBlogComment", // Route name
"DisableBlogComment/{id}", // URL with parameters
new { controller = "Blog", action = "DisableBlogComment" }
);
routes.MapRoute(
"DisableAllMemberBlogComments", // Route name
"DisableAllMemberBlogComments/{id}", // URL with parameters
new { controller = "Blog", action = "DisableAllMemberBlogComments" }
);
routes.MapRoute(
"DisableVideoComment", // Route name
"DisableVideoComment/{id}", // URL with parameters
new { controller = "Video", action = "DisableVideoComment" }
);
routes.MapRoute(
"DisableAllMemberVideoComments", // Route name
"DisableAllMemberVideoComments/{id}", // URL with parameters
new { controller = "Video", action = "DisableAllMemberVideoComments" }
);
routes.MapRoute(
"DisableMember", // Route name
"DisableMember/{id}", // URL with parameters
new { controller = "Member", action = "DisableMember" }
);
routes.MapRoute(
"NewPost", // Route name
"NewPost", // URL with parameters
new { controller = "Blog", action = "NewPost" }
);
routes.MapRoute(
"InactiveBlogPosts", // Route name
"InactiveBlogPosts/{page}", // URL with parameters
new { controller = "Blog", action = "InactiveBlogPosts" }
);
routes.MapRoute(
"InactiveBlogComments", // Route name
"InactiveBlogComments/{page}", // URL with parameters
new { controller = "Blog", action = "InactiveBlogComments" }
);
routes.MapRoute(
"InactiveVideoComments", // Route name
"InactiveVideoComments/{page}", // URL with parameters
new { controller = "Video", action = "InactiveVideoComments" }
);
routes.MapRoute(
"EditHomePage", // Route name
"EditHomePage", // URL with parameters
new { controller = "Home", action = "EditHomePage" }
);
routes.MapRoute(
"EditAboutPage", // Route name
"EditAboutPage", // URL with parameters
new { controller = "Home", action = "EditAboutPage" }
);
routes.MapRoute(
"Newsletter", // Route name
"Newsletter", // URL with parameters
new { controller = "Newsletter", action = "Newsletter" }
);
routes.MapRoute(
"RegisterNewVideo", // Route name
"RegisterNewVideo", // URL with parameters
new { controller = "Video", action = "RegisterNewVideo" }
);
routes.MapRoute(
"Members", // Route name
"Members/{page}", // URL with parameters
new { controller = "Member", action = "MemberList" }
);
routes.MapRoute(
"EditMember", // Route name
"EditMember/{id}", // URL with parameters
new { controller = "Member", action = "EditMember" }
);
routes.MapRoute(
"AppSettings", // Route name
"AppSettings", // URL with parameters
new { controller = "Utility", action = "AppSettings" }
);
routes.MapRoute(
"AudioBookPage", // Route name
"AudioBookPage/{page}", // URL with parameters
new { controller = "Book", action = "AudioBookPage" }
);
routes.MapRoute(
"IPBlocked", // Route name
"IPBlocked", // URL with parameters
new { controller = "Utility", action = "IPBlocked" }
);
routes.MapRoute(
"LiveTV", // Route name
"LiveTV", // URL with parameters
new { controller = "LiveTV", action = "LiveTV" }
);
routes.MapRoute(
"VideoPlayer", // Route name
"VideoPlayer/{id}/{page}", // URL with parameters
new { controller = "Video", action = "VideoPlayer" }
);
routes.MapRoute(
"Video", // Route name
"Video/{page}", // URL with parameters
new { controller = "Video", action = "VideoList" }
);
routes.MapRoute(
"NewVideoComment", // Route name
"NewVideoComment", // URL with parameters
new { controller = "Video", action = "NewVideoComment" }
);
routes.MapRoute(
"Music", // Route name
"Music", // URL with parameters
new { controller = "Music", action = "Index" }
);
routes.MapRoute(
"RootsCompilationOne", // Route name
"Music/RootsCompilationOne", // URL with parameters
new { controller = "Music", action = "RootsCompilationOne" }
);
routes.MapRoute(
"UnityIsStrength", // Route name
"Music/UnityIsStrength", // URL with parameters
new { controller = "Music", action = "UnityIsStrength" }
);
routes.MapRoute(
"FileUpload", // Route name
"FileUpload", // URL with parameters
new { controller = "Utility", action = "FileUpload" }
);
routes.MapRoute(
"PageUnavailable", // Route name
"PageUnavailable", // URL with parameters
new { controller = "Utility", action = "PageUnavailable" }
);
routes.MapRoute(
"VideoGrid", // Route name
"VideoGrid/{page}", // URL with parameters
new { controller = "Video", action = "VideoGrid" }
);
routes.MapRoute(
"EditVideo", // Route name
"EditVideo/{id}", // URL with parameters
new { controller = "Video", action = "EditVideo" }
);
routes.MapRoute(
"CopyVideo", // Route name
"CopyVideo/{id}/{page}", // URL with parameters
new { controller = "Video", action = "CopyVideo" }
);
routes.MapRoute(
"DeleteIPLogs", // Route name
"DeleteIPLogs/{ip}", // URL with parameters
new { controller = "Utility", action = "DeleteIPLogs" }
);
routes.MapRoute(
"SaveWindowWidth", // Route name
"SaveWindowWidth/{width}", // URL with parameters
new { controller = "Video", action = "SaveWindowWidth" }
);
routes.MapRoute(
"FacebookLikes", // Route name
"FacebookLikes", // URL with parameters
new { controller = "Utility", action = "FacebookLikes" }
);
routes.MapRoute(
"Default", // Route name
"{controller}/{action}/{id}", // URL with parameters
new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults
);ajax试图调用VideoList方法的问题。我在阅读回复时看到了这一点:
参数字典包含一个空条目,该条目对应于'System.Web.Mvc.ActionResult VideoList(Int32)‘方法的不可为空类型'System.Int32’的参数'page‘
我在某个地方听说可能是路由有问题,所以我也把它们贴在了这里。我将非常感谢你的帮助
向Mariusz致敬
发布于 2012-11-27 04:00:27
您的视频路由配置不正确。MVC试图从每个url中获取控制器和操作,以便从适当的控制器中找出所需的方法。在您的例子中,它总是得到相同的值VideoController.VideoList():
routes.MapRoute(
"Video", // Route name
"Video/{page}", // URL with parameters
new { controller = "Video", action = "VideoList" }
);如果你改变你的路线,一切都会好起来的:
routes.MapRoute(
"Video", // Route name
"Video/{action}", // URL with parameters
new { controller = "Video", action = "VideoList" }
);发布于 2012-11-27 04:05:32
使用字符串将值存储为URL不是最佳做法。
我做这样的事情。
视图
@Html.Hidden("getVideoUrl", Url.Action("SaveWindowWidth", "Video"))JS
var url = $("#getVideoUrl").val();
$.post(url, data: { "width": width },
success: function (data, status)
{
if (data)
{
alert(data.status);
}
},
error: function (data, status)
{
if (data)
{
alert(data.status);
}
});发布于 2012-11-27 04:14:41
Dima已经发现了这个问题,尽管他的解决方案对你并不是很有效。对您的路由进行配置,以便在请求url Video/SaveWindowWidth时,调用控制器Video上的操作VideoList,并将参数page设置为SaveWindowWidth。很明显,这不是您想要的。
ASP.Net MVC将执行第一个匹配的路由。这就是为什么首先包含所有特定的路由很重要。
解决这个问题的方法之一是重写您的路由,以便某些API路由配置在您的通用pretty路由之上。要做到这一点,你需要在任何漂亮的url之前提到每一个组合。
例如,
routes.MapRoute(
"SaveWindowWidthForVideo", // Route name
"Video/SaveWindowWidth",
new { controller = "Video", action = "SaveWindowWidth" }
);
routes.MapRoute(
"SaveWindowHeightForVideo", // Route name
"Video/SaveWindowHeight",
new { controller = "Video", action = "SaveWindowHeight" }
);
routes.MapRoute(
"SaveWindowSomethingElseForVideo", // Route name
"Video/SaveWindowHeight",
new { controller = "Video", action = "SaveWindowSomethingElseForVideo" }
);
// etc etc
// your remaining pretty urls
routes.MapRoute(
"Video", // Route name
"Video/{page}", // URL with parameters
new { controller = "Video", action = "VideoList" }
);我不喜欢这样做,因为它很容易变得相当麻烦。
我更喜欢的解决方案是通过在url中添加单词api来区分我漂亮的url路由和ajax API路由。
routes.MapRoute(
"ApiCallsForVideo", // Route name
"api/video/{action}",
new { controller = "Video" }
);
// or
routes.MapRoute(
"ApiCalls", // Route name
"api/{controller}/{action}"
);
// etc etc
routes.MapRoute(
"Video", // Route name
"Video/{page}", // URL with parameters
new { controller = "Video", action = "VideoList" }
);这显然涉及到修改ajax调用,使其包含单词api。
https://stackoverflow.com/questions/13571828
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