Simple use of ASP. NET Core Filter

Learn the simple use of filter filters today and share them together to make progress.

First, you need to set up an ASP. Actonfilter class inherits Microsoft.AspNetCore.Mvc.Filters under the root directory;

Rewrite two methods: onactionexecuted onactionexecuting Obvious onactionexecuting is called when the site is executed, onactionexecuted after the site run, the middle can write their own method.

Then register the filter services inside the Startup.cs. ADDMVC (options = options. Filters.add (New Actionfilter ()); });

Start the project, and the filter starts executing.

Simple use of ASP. NET Core Filter