Dotnet Core 简明教程

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace FirstApp {
   public class Program {
      public static void Main(string[] args) {
         Console.WriteLine("Hello guys, welcome to .NET Core world!");
      }
   }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace FirstApp {
   public class Student {
      public int ID { get; set; }
      public string LastName { get; set; }
      public string FirstMidName { get; set; }
      public DateTime EnrollmentDate { get; set; }
   }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace FirstApp {
   public class Course {
      public int CourseID { get; set; }
      public string Title { get; set; }
      public int Credits { get; set; }
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "emitEntryPoint": true
   },
   "dependencies": {
      "Microsoft.NETCore.App": {
         "type": "platform",
         "version": "1.0.1"
      }
   },
   "frameworks": {
      "netcoreapp1.0": {
         "imports": "dnxcore50"
      }
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "emitEntryPoint": true
   },
   "dependencies": {
      "Microsoft.NETCore.App": {
         "type": "platform",
         "version": "1.0.1"
      },
      "System.Runtime.Serialization.Json": "4.0.2"
   },
   "frameworks": {
      "netcoreapp1.0": {
         "imports": "dnxcore50"
      }
   }
}

<Page
   x:Class = "UWPFirstApp.MainPage"
   xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x = "http://schemas.microsoft.com/winfx/2006/xaml"
   xmlns:local = "using:UWPFirstApp"
   xmlns:d = "http://schemas.microsoft.com/expression/blend/2008"
   xmlns:mc = "http://schemas.openxmlformats.org/markup-compatibility/2006"
   mc:Ignorable = "d">

   <Grid Background = "{ThemeResource ApplicationPageBackgroundThemeBrush}">
      <StackPanel HorizontalAlignment = "Center">
         <TextBlock Text = "Hello, world!"
            Margin = "20"
            Width = "200"
            HorizontalAlignment = "Left"/>
         <TextBlock Text = "Write your name."
            Margin = "20"
            Width = "200"
            HorizontalAlignment = "Left"/>
         <TextBox x:Name = "txtbox"
            Width = "280"
            Margin = "20"
            HorizontalAlignment = "Left"/>
         <Button x:Name = "button" Content = "Click Me"
            Margin = "20"
            Click = "button_Click"/>
         <TextBlock x:Name = "txtblock"
            HorizontalAlignment = "Left"
            Margin = "20"/>
      </StackPanel>
   </Grid>

</Page>

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;

using Windows.Foundation;
using Windows.Foundation.Collections;

using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Blank Page item template is documented at
// http://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409

namespace UWPHellowWorld {
   /// <summary>
   /// An empty page that can be used on its own or navigated to within a Frame.
   /// </summary>
   public sealed partial class MainPage : Page {
      public MainPage() {
         this.InitializeComponent();
      }
      private void button_Click(object sender, RoutedEventArgs e) {
         if (txtbox.Text != "")
            txtblock.Text = "Hello: " + txtbox.Text;
         else
            txtblock.Text = "You have not write your name";
      }
   }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace UtilityLibrary {
   public static class StringLib {
      public static bool StartsWithUpper(this String str) {
         if (String.IsNullOrWhiteSpace(str))
         return false;
         Char ch = str[0];
         return Char.IsUpper(ch);
      }
      public static bool StartsWithLower(this String str) {
         if (String.IsNullOrWhiteSpace(str))
         return false;
         Char ch = str[0];
         return Char.IsLower(ch);
      }
      public static bool StartsWithNumber(this String str) {
         if (String.IsNullOrWhiteSpace(str))
         return false;
         Char ch = str[0];
         return Char.IsNumber(ch);
      }
   }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using UtilityLibrary;

namespace FirstApp {
   public class Program {
      public static void Main(string[] args) {
         int rows = Console.WindowHeight;
         Console.Clear();
         do {
            if (Console.CursorTop >= rows || Console.CursorTop == 0) {
               Console.Clear();
               Console.WriteLine("\nPress <Enter> only to exit; otherwise, enter a string and press <Enter>:\n");
            }
            string input = Console.ReadLine();

            if (String.IsNullOrEmpty(input)) break;
            Console.WriteLine("Input: {0} {1,30}: {2}\n", input, "Begins with uppercase? ",
            input.StartsWithUpper() ? "Yes" : "No");
         } while (true);
      }
   }
}

{
   "supports": {},
   "dependencies": {
      "NETStandard.Library": "1.6.0",
      "Microsoft.NETCore.Portable.Compatibility": "1.0.1"
   },
   "frameworks": {
      "netstandard1.3": {}
   }
}

{
   "supports": {},
   "dependencies": {
      "NETStandard.Library": "1.6.0",
      "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
      "System.Runtime.Serialization.Json": "4.0.3",
      "Microsoft.EntityFrameworkCore": "1.1.0"
   },
   "frameworks": {
      "netstandard1.3": {}
   }
}

dotnet help

dotnet pack

{
   "authors": [ "Mark Junior" ],
   "description": "String Library API",
   "version" : "1.0.1-*",
   "supports": {},

   "dependencies": {
      "Microsoft.EntityFrameworkCore": "1.1.0",
      "Microsoft.NETCore.Portable.Compatibility": "1.0.1",
      "NETStandard.Library": "1.6.0",
      "System.Runtime.Serialization.Json": "4.0.3",
      "System.Runtime.Serialization.Primitives": "4.3.0"
   },
   "frameworks": {
      "netstandard1.3": {}
   }
}

nuget add StringLibrary.1.0.1.nupkg -Source D:\PrivateNugetPackages

PM > Uninstall-Package Xamarin.Forms

dotnet new -t xunittest

{
   "version": "1.0.0-*",
   "buildOptions": {
      "debugType": "portable"
   },
   "dependencies": {
      "System.Runtime.Serialization.Primitives": "4.1.1",
      "xunit": "2.1.0",
      "dotnet-test-xunit": "1.0.0-rc2-192208-24"
   },
   "testRunner": "xunit",
   "frameworks": {
      "netcoreapp1.0": {
         "dependencies": {
            "Microsoft.NETCore.App": {
               "type": "platform",
               "version": "1.0.1"
            }
         },
         "imports": [
            "dotnet5.4",
            "portable-net451+win8"
         ]
      }
   }
}

using System;
using Xunit;
namespace Tests {
   public class Tests {
      [Fact]
      public void Test1() {
         Assert.True(true);
      }
   }
}

dotnet restore

using System;
using Xunit;

namespace Tests {
   public class Tests {
      [Fact]
      public void Test1() {
         Assert.True(true);
      }
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "debugType": "portable"
   },
   "dependencies": {
      "System.Runtime.Serialization.Primitives": "4.1.1",
      "xunit": "2.1.0",
      "dotnet-test-xunit": "1.0.0-rc2-192208-24"
   },
   "testRunner": "xunit",
   "frameworks": {
      "netcoreapp1.0": {
         "dependencies": {
            "Microsoft.NETCore.App": {
               "type": "platform",
               "version": "1.0.1"
            }
         },
         "imports": [
            "dotnet5.4",
            "portable-net451+win8"
         ]
      }
   }
}

using System;
using Xunit;

namespace Tests {
   public class Tests {
      [Fact]
      public void Test1() {
         Assert.True(false);
      }
   }
}

{
   "projects": [ "src", "test" ],
   "sdk": {
      "version": "1.0.0-preview2-003131"
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "emitEntryPoint": true
   },
   "dependencies": {
      "Microsoft.NETCore.App": {
         "type": "platform",
         "version": "1.0.1"
      },
      "NuGet.CommandLine": "3.5.0",
      "System.Runtime.Serialization.Json": "4.0.3"
   },
   "frameworks": {
      "netcoreapp1.0": {
         "dependencies": { },
         "imports": "dnxcore50"
      }
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "emitEntryPoint": true
   },
   "dependencies": {
      "Microsoft.NETCore.App": {
         "type": "platform",
         "version": "1.0.1"
      },
   "NuGet.CommandLine": "3.5.0",
      "System.Runtime.Serialization.Json": "4.0.3"
   },
   "frameworks": {
      "netcoreapp1.0": {
         "dependencies": {
            "StringLibrary": {
               "target": "project"
            }
         },
         "imports": "dnxcore50"
      }
   }
}

using System;
using Xunit;
using StringLibrary;

namespace Tests {
   public class Tests {
      [Fact]
      public void StartsWithUpperCaseTest() {
         string input = "Mark";
         Assert.True(input.StartsWithUpper());
      }
      [Fact]
      public void StartsWithLowerCaseTest() {
         string input = "mark";
         Assert.True(input.StartsWithLower());
      }
      [Fact]
      public void StartsWithNumberCaseTest() {
         string input = "123";
         Assert.True(input.StartsWithNumber());
      }
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "emitEntryPoint": true
   },

   "dependencies": {
      "Microsoft.Composition": "1.0.30",
      "Microsoft.NETCore.App": {
         "type": "platform",
         "version": "1.0.1"
      }
   },

   "frameworks": {
      "netcoreapp1.0": {
         "imports": "dnxcore50"
      }
   }
}

{
   "version": "1.0.0-*",
   "buildOptions": {
      "emitEntryPoint": true
   },
   "dependencies": {
      "Microsoft.Composition": "1.0.30",
      "Microsoft.NETCore.App": {
         "type": "platform",
         "version": "1.0.1"
      }
   },
   "frameworks": {
      "netcoreapp1.0": {
         "imports": "portable-net45+win8+wp8+wpa81"
      }
   }
}

using System;
using System.Collections.Generic;
using System.Composition;
using System.Linq;
using System.Threading.Tasks;

namespace MEFDemo {
   public interface IPrintData {
      void Send(string message);
   }
   [Export(typeof(IPrintData))]
   public class PrintData : IPrintData {
      public void Send(string message) {
         Console.WriteLine(message);
      }
   }
}

using System;
using System.Collections.Generic;
using System.Composition;
using System.Composition.Hosting;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;

namespace MEFDemo {
   public class Program {
      public static void Main(string[] args) {
         Program p = new Program();
         p.Run();
      }
      public void Run() {
         Compose();
         PrintData.Send("Hello,this is MEF demo");
      }
      [Import]
      public IPrintData PrintData { get; set; }

      private void Compose() {
         var assemblies = new[] { typeof(Program).GetTypeInfo().Assembly };
         var configuration = new ContainerConfiguration()
            .WithAssembly(typeof(Program).GetTypeInfo().Assembly);

         using (var container = configuration.CreateContainer()) {
            PrintData = container.GetExport<IPrintData>();
         }
      }
   }
}

dotnet --info

dotnet help new

dotnet --info

dotnet help new

dotnet help

using System;
namespace MSBuild {
   class Program {
      static void Main(string[] args) {
         Console.WriteLine("Hello World!");
      }
   }
}

dotnet build

dotnet restore

tree /f

dotnet build

dotnet run

dotnet help

dotnet migrate

tree /f

dotnet restore

dotnet build