1、建立MvcHtmlExtension擴充套件類

 1  public static class MvcHtmlExtension
 2     {
 3         public static MvcHtmlString MenuLink(this HtmlHelper helper, string text, string action, string controller)
 4         {
 5             var routeData = helper.ViewContext.RouteData.Values;
 6             var currentController = routeData["
 
controller"];
 7             var currentAction = routeData["action"];
 8             if (String.Equals(action, currentAction as string, StringComparison.OrdinalIgnoreCase) &&
 9                 String.Equals(controller, currentController as string, StringComparison.OrdinalIgnoreCase))
10             {
 
11                 return helper.ActionLink(text, action, controller, null, new { @class = "menua" });
12             }
13             return helper.ActionLink(text, action, controller);
14         }
15     }

2、前臺cshtml使用

1 <div class="collapse navbar-collapse  pull-right">
2                 <
 
ul class="nav navbar-nav">
3                     <li>@Html.MenuLink("育兒寶典", "YuErBaoDian", "Home")</li>
4                     <li>@Html.MenuLink("關於我們", "About", "Home")</li>
5                     <li>@Html.MenuLink("聯絡我們", "Contact", "Home")</li>
6                 </ul>
7 </div>

作者：Tommy
出處：https://www.cnblogs.com/XL-Tommy/
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