ley*_*cua 11 asp.net-mvc razor
我需要从约定驱动的位置编写js文件的内容(如〜/ ClientApp/Controllers/Home/Home.js,如果加载位于〜/ Views/Home/Home.cshtml的视图).我该怎么做呢？
示例:如果文件〜/ Views/Home/Home.cshtml如下所示:
<div id="some-partial-view">
<!-- ... -->
</div>
文件〜/ ClientApp/Controllers/Home/Home.Controller.js看起来像
function HomeController() {
//some code
}
然后,Web服务器返回的渲染视图应该看起来像(如果使用fiddler)
<!--ommitted <html> <body> tags -->
<div id="some-partial-view">
<!-- ... -->
</div>
<script type="text/javascript">
function HomeController() {
//some code
}
</script>
一种方法是添加一个HTML Helper,它将执行此操作,例如:
<div id="some-partial-view" ng:Controller="HomeController">
<!-- ... -->
</div>
@Html.IncludeController("HomeController")
但是,我不想在所有部分视图中重复这一点.
有任何想法吗？
Dar*_*rov 15
您可以编写自定义视图:
public class MyRazorView : RazorView
{
public MyRazorView(ControllerContext controllerContext, string viewPath, string layoutPath, bool runViewStartPages, IEnumerable<string> viewStartFileExtensions, IViewPageActivator viewPageActivator)
: base(controllerContext, viewPath, layoutPath, runViewStartPages, viewStartFileExtensions, viewPageActivator)
{
}
protected override void RenderView(ViewContext viewContext, TextWriter writer, object instance)
{
base.RenderView(viewContext, writer, instance);
var view = (BuildManagerCompiledView)viewContext.View;
var context = viewContext.HttpContext;
var path = context.Server.MapPath(view.ViewPath);
var viewName = Path.GetFileNameWithoutExtension(path);
var controller = viewContext.RouteData.GetRequiredString("controller");
var js = context.Server.MapPath(
string.Format(
"~/ClientApp/Controllers/{0}/{0}.{1}.js",
viewName,
controller
)
);
if (File.Exists(js))
{
writer.WriteLine(
string.Format(
"<script type=\"text/javascript\">{0}</script>",
File.ReadAllText(js)
)
);
}
}
}
和一个自定义视图引擎,它将在请求部分视图时返回此自定义视图:
public class MyRazorViewEngine : RazorViewEngine
{
protected override IView CreatePartialView(ControllerContext controllerContext, string partialPath)
{
return new MyRazorView(
controllerContext,
partialPath,
null,
false,
base.FileExtensions,
base.ViewPageActivator
);
}
}
将注册Application_Start:
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
RegisterGlobalFilters(GlobalFilters.Filters);
RegisterRoutes(RouteTable.Routes);
ViewEngines.Engines.Clear();
ViewEngines.Engines.Add(new MyRazorViewEngine());
}
你可能可能需要调整一些路径,因为在你的问题中不太清楚js究竟应该在哪里,但通常你应该在答案中有足够的细节.
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