ASP.NET Core MVC通过IViewLocationExpander扩展视图搜索路径

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原文:ASP.NET Core MVC通过IViewLocationExpander扩展视图搜索路径

IViewLocationExpander API

• ExpandViewLocations Razor视图路径，视图引擎会搜索该路径.
• PopulateValues 每次调用都会填充路由

项目目录如下所示

创建区域扩展器，其实我并不需要多区域，我目前只需要达到一个区域中有多个文件夹进行存放我的视图.

所以我通过实现IViewLocationExpander进行扩展添加我自定义视图路径规则即可正如下代码片段

 public class MyViewLocationExpander : IViewLocationExpander
    {
        public IEnumerablestring> ExpandViewLocations(ViewLocationExpanderContext context, IEnumerablestring> viewLocations

) { if (context.ControllerName != null && context.ControllerName.StartsWith("App")) { viewLocations = viewLocations.Concat( new[] { $"/Areas/sysManage/Views/App/{context.ControllerName}/{context.ViewName}{RazorViewEngine.ViewExtension}" }); return viewLocations; } if (context.AreaName != "sysManage") return viewLocations; viewLocations = viewLocations.Concat( new[] { $"/Areas/sysManage/Views/System/{context.ControllerName}/{context.ViewName}{RazorViewEngine.ViewExtension}" }); return viewLocations; } public void PopulateValues(ViewLocationExpanderContext context) { } }

在Startup.ConfigureServices 注册

  public void ConfigureServices(IServiceCollection services)  
        {  
            services.Configure(o => {  
                o.ViewLocationExpanders.Add(new MyViewLocationExpander());  
            });  
            services.AddMvc();  
        } 

 app.UseEndpoints(endpoints =>
            {
                endpoints.MapRazorPages();
                endpoints.MapAreaControllerRoute(
                    name: "sysManage", "sysManage",
                    pattern: "{area:exists}/{controller=Home}/{action=Index}/{id?}");
            });

最终路由指向的还是

/SysManage/Controller/Action

ASP.NET Core MVC通过IViewLocationExpander扩展视图搜索路径

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原文地址：https://www.cnblogs.com/lonelyxmas/p/12696001.html