How to create a .NET Core project

Editor to share with you how to create a .NET Core project, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's learn about it!

1, open VS2019, click "create New Project", select "ASP.NET Core Web Application", set the path and file name, select the target framework (.net core3.1 long-term support), configure HTTPS (check box), click "create", and since then a .net core project has been created.

2. Introduction of project catalogue and documents

Properties- > launchSettings.json: project profile

Appsettings.json: application profile, similar to web.config

Wwwroot: content directory, storing static files

Program.cs: console application

Startup.cs:Web application startup class

* there are two types of Host (host): WebHost and general-purpose host

3. ASP.NET Core Web application startup flow chart:

4. Kestrel introduction: Kestrel is a Web server that handles HTTP requests with high performance, few functions, and does not support directional proxies.

5. Configuration introduction

Web application default port: "applicationUrl" in launchSettings.json

Environment variable configuration default port: add "ASPNETCORE_URLS" to launchSettings.json

Configuration priority: command line > application configuration > hard coding > environment variable

6. Start the application on the command line

Enter cmd at the bin- > debug address and use the dotnet command on the console (dotnet help can see all the commands).

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