我们创建了 OnlyBreadCrumbMVCSiteMapNodeAttribute。我们装饰任何我们想要属性的代码
public class OnlyBreadCrumbMvcSiteMapNodeAttribute : MvcSiteMapNodeAttribute
{
public OnlyBreadCrumbMvcSiteMapNodeAttribute(string title, string parentKey)
{
Title = title;
ParentKey = parentKey;
VisibilityProvider = typeof(BreadCrumbOnlyVisibilityProvider).AssemblyQualifiedName;
}
public OnlyBreadCrumbMvcSiteMapNodeAttribute(string title, string parentKey, string key)
{
Title = title;
Key = key;
ParentKey = parentKey;
VisibilityProvider = typeof(BreadCrumbOnlyVisibilityProvider).AssemblyQualifiedName;
}
}
还有一个可见性提供者
public class BreadCrumbOnlyVisibilityProvider : ISiteMapNodeVisibilityProvider
{
public bool IsVisible(SiteMapNode node, HttpContext context, IDictionary<string, object> sourceMetadata)
{
if (sourceMetadata["HtmlHelper"] == null || (string)sourceMetadata["HtmlHelper"] == "MvcSiteMapProvider.Web.Html.SiteMapPathHelper")
{
return true;
}
return false;
}
}
使用喜欢
[OnlyBreadCrumbMvcSiteMapNode("Upload Documents", "AssetDocuments")]
public virtual ActionResult FileUpload(int assetId)
上传文件将是面包屑标题。AssetDocuments 是父键
如果传递第三个参数,则设置面包屑节点本身的键