asp.net mvc 页面内容呈现Html.Raw
Html.Raw内容经过页面呈现，不呈现Html标签
@Html.Raw( File.ReadAllText(Server.MapPath("~/Content/html/about.html")))
HtmlString内容不经过页面处理呈现，原样呈现，含Html标签
@(File.ReadAllText(Server.MapPath("~/Content/html/about.html")))
或
@( new HtmlString(File.ReadAllText(Server.MapPath("~/Content/html/about.html"))))