Using the Routing System to Generate an Outgoing URL
结果呢：<a href="/Home/CustomVariable">This is an outgoing URL</a>
结果呢：<a href="/App/DoCustomVariable">This is an outgoing URL</a>
用路由系统生成输出URL 在视图中生成输出URL 高级路由特性 精通ASP-NET-MVC-5-弗瑞曼
原文：http://www.cnblogs.com/ganmk--jy/p/5573330.html