[Core]. Net Core Road (1) Hello World

Directory

• RELATED LINKS
• dotnet command
• VS Code Hello World
• Web Hello World
• Summarize

Actually, this article was written last month.

It's just that

However, do not forget the beginner's mind party must always

RELATED LINKS

Learn. NET Core

Http://asp.net/core

Down. NET Core
Https://www.microsoft.com/net/core

Doc. NET Core

Https://docs.asp.net/en/latest/getting-started.html

dotnet command

mkdir Hwapp--Create a directory Hwapp
CD Hwapp--Open Directory Hwapp
dotnet New-Create project (Program.cs + Project.json)

dotnet Restore--restoring dependency (Project.lock.json)
dotnet Build--Compile project (obj folder and Bin folder)
Dotnet Run-Runs the project (execution Bin\debug\projectname.dll)

Dotnet-h View Help

Command line run Hello World

Cmd

• mkdir Hwapp--Create a directory Hwapp
• CD Hwapp--Open Directory Hwapp
• dotnet New-Create project (Program.cs + Project.json)
• dotnet Restore--restoring dependency (Project.lock.json)
• Dotnet Run-Runs the project (execution Bin\debug\projectname.dll)

VS Code Run Hello World

• Continue with the example above to open the folder
• Press F5 to select. NET Core (build. Vscode\launch.json)

• Press the F5 prompt to configure (generate. Vscode\tasks.json)

The program in Launch.json needs to be configured above

"Program": "${workspaceroot}/bin/debug/<target-framework>/<project-name.dll>",

Change to the following ways

"Program": "${workspaceroot}/bin/debug/netcoreapp1.0/programname.dll",

It is important to note that it is not always useful to complete these pressed F5, confirming that C # debug is loaded

VS code in the lower right corner of the status bar will be prompted

CSharp extensions can also be manually installed

Ctrl + p:ext Install CSharp

By the end of the CSharp extension, F5 can run the program.

Ctrl + Shift + Y (Debug console):

Web Hello World

Try out the console version and experience a web version of

• Project.json adding dependencies

"Microsoft.AspNetCore.Server.Kestrel": "1.0.0-rc2-final"

• dotnet Restore (F1 + dotnet Restore)
• New Startup class

Using microsoft.aspnetcore.builder;using microsoft.aspnetcore.hosting;using Microsoft.aspnetcore.http;namespace consoleapplication{public    class Startup    {public        void Configure (Iapplicationbuilder app)        {            app . Run (context =            {                return context. Response.writeasync ("Hello from ASP. core!");}}}    

• Modify Program.cs

        public static void Main (string[] args)        {            Console.WriteLine ("Hello world!"); /using Microsoft.AspNetCore.Hosting;

            var host = new Webhostbuilder ()                        . Usekestrel ()                        . Usestartup<startup> ()                        . Build ();            Host. Run ();        }

• F5 Access Http://localhost:5000/

Summarize

Disadvantages:

• Need to download more from SDK + ext CSharp + restore
• Debugging speed feeling is still relatively slow
• Chrome Access Web address display cannot be accessed

Advantages:

• Cross-platform
• Lightweight

[Core]. Net Core Road (1) Hello World