Comment écrire et déboguer des projets .net avec vscode

$:> dotnet new sln -o vscode_tutorial //在当前目录下 创建名为vscode_tutorial

$:> dotnet new classlib -o VSCodeTutorial.Common //在当前目录下新建类库项目VSCodeTutorial.Common
$:> dotnet sln add VSCodeTutorial.Common/VSCodeTutorial.Common.csproj //将项目添加到解决方案中

$:> dotnet new console -o VSCodeTutorial.ConsoleApp
$:> dotnet sln add VSCodeTutorial.ConsoleApp/VSCodeTutorial.ConsoleApp.csproj
$:> dotnet new xunit -o VSCodeTutorial.UnitTest
$:> dotnet sln add VSCodeTutorail.UnitTest/VSCodeTutorial.UnitTest.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>netcoreapp1.1</TargetFramework>
  </PropertyGroup>
 <!--添加项目引用-->
  <ItemGroup>
    <ProjectReference Include="..\VSCodeTutorial.Common\VSCodeTutorial.Common.csproj" />
  </ItemGroup></Project>

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>netcoreapp1.1</TargetFramework>
  </PropertyGroup><!--nuget 上的类库引用-->
  <ItemGroup>
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
    <PackageReference Include="xunit" Version="2.2.0" />
    <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
  </ItemGroup><!--本地项目引用-->
 <ItemGroup>
    <ProjectReference Include="..\VSCodeTutorial.Common\VSCodeTutorial.Common.csproj" />
  </ItemGroup></Project>

namespace VSCodeTutorial.Common{    
public class MathHelper
    {        /// <summary>
        /// 阶乘，本例中暂不考虑 溢出的问题哦 Factorial(n) = n*（n-1）*(n-2)...*1;
        /// </summary>
        /// <param name="n">输入参数n</param>
        /// <returns></returns>
        public static int Factorial(int n){            if(n <=0 ){                
throw new System.ArgumentOutOfRangeException("n","参数错误，不能小于等于零");
            }            if(n == 1){                return 1;
            }            return n*Factorial(n-1);
        }
    }
}

using System;
using VSCodeTutorial.Common;
using Xunit;
namespace VSCodeTutorial.UnitTest{    
public class MathHelperTest
    {
         [Fact]        
public void TestFactorial()        {            //先测试一下边界的情况
            int zero = 0 ;            
var exception = Assert.Throws<ArgumentOutOfRangeException>(() => MathHelper.Factorial(zero));            
int one = 1;            
var oneResult = MathHelper.Factorial(one);
            Assert.Equal(1, oneResult);            //再测一下正常的情况
            int five = 5;            
var fiveResult = MathHelper.Factorial(five);
            Assert.Equal(5*4*3*2*1, fiveResult);            
int ten = 10;            
var tenResult = MathHelper.Factorial(ten);
            Assert.Equal(10*9*8*7*6*5*4*3*2*1, tenResult);
        }
    }
}

{    
"version": "0.1.0",    
"command": "dotnet", //全局命令，即所有的任务都使用这个命令，也可以在各个任务中设置    
"isShellCommand": true,    
"args": [],    
"tasks": [        
{            
"taskName": "build", //任务名称 当设置了主的command 之后这个taskName也会作为一个命令参数            
"args": [                
"${workspaceRoot}\\VSCodeTutorial.ConsoleApp\\VSCodeTutorial.ConsoleApp.csproj"
            ],            
"isBuildCommand": true, 
//一个解决方案只能设置一个编译任务，多设置了也是白搭，当然也能执行，只是不能利用快捷方式运行了           
"problemMatcher": "$msCompile"//C#项目的problemMatcher        
}    
]}

{    
"version": "0.1.0",    
"isShellCommand": true,    
"args": [],    
"tasks": [        
{           
"taskName": "build_console",            
"command":"dotnet"
            "args": [                
"build", //组成dotnet build                
//设置需要编译的项目，如果存在多个启动项目可以设置成解决方案文件（.sln）,这里只有一个项目所以设置运行项目也可以                
"${workspaceRoot}\\VSCodeTutorial.ConsoleApp\\VSCodeTutorial.ConsoleApp.csproj"
            ],            
"isBuildCommand": true, //设置是否编译项目            
"problemMatcher": "$msCompile"
        },        
{            
"taskName": "UnitTest",            
"command":"dotnet",            
"args": [                
"test",//组成dotnet test 命令                
"${workspaceRoot}\\VSCodeTutorial.UnitTest\\VSCodeTutorial.UnitTest.csproj"
            ],            
"isTestCommand": true,//设置为单元测试项目           
"problemMatcher": "$msCompile"
        }    
]}

using System;
using VSCodeTutorial.Common;
namespace VSCodeTutorial.ConsoleApp{    
class Program
    {        
static void Main(string[] args)        {            
while(true)
            {
                Console.WriteLine("请输入一个小于10的数字,回车结束:");                
string input_str = Console.ReadLine();                
if(int.TryParse(input_str ,out var input_int))
                {                    
if(input_int>0 && input_int<=10){                       
int result =  MathHelper.Factorial(input_int);
                       Console.WriteLine("你输入的数字是{0},它的阶乘结果是{1},退出请按ctrl+c,按其他键再试一次",
input_int,result);
                       Console.ReadKey();
                    }
                }                else{
                    Console.WriteLine("输入的字符不是有效的数字");
                }
            }

        }
    }
}

$:> dotnet run -p ./VSCodeTutorial.ConsoleApp/VSCodeTutorial.ConsoleApp.csproj

using System;
using System.Text;
using VSCodeTutorial.Common;namespace VSCodeTutorial.ConsoleApp{    
class Program
    {        
static void Main(string[] args)        {
            Console.OutputEncoding = Encoding.UTF8; // 设置控制台编码
            while(true)
            {
                Console.WriteLine("请输入一个小于10的数字,回车结束:");                
string input_str = Console.ReadLine();                
if(int.TryParse(input_str ,out var input_int))
                {                    
if(input_int>0 && input_int<=10){                       
int result =  MathHelper.Factorial(input_int);
Console.WriteLine("你输入的数字是{0},它的阶乘结果是{1},退出请按ctrl+c,按其他键再试一次",input_int,result);
                       Console.ReadKey();
                    }
                }                else{
                    Console.WriteLine("输入的字符不是有效的数字");
                }
            }

        }
    }
}

{    
"version": "0.2.0",    
"configurations": [        
{            
"name": ".NET Core Launch (console)", //配置名称 可以改成更好识别的名字            
"type": "coreclr", // .net core类型的调试            
"request": "launch", //调试方式 不用改            
"preLaunchTask": "build", // 前置任务，这里是编译，但是默认的编译任务，已经被我改了名字了，所以这里要改一下哦            "program": "${workspaceRoot}\\VSCodeTutorial.ConsoleApp\\bin\\Debug\\netcoreapp1.1\\VSCodeTutorial.ConsoleApp.dll", //需要调试的DLL的位置 
"args": [], //额外的参数            
"cwd": "${workspaceRoot}\\VSCodeTutorial.ConsoleApp", //工作目录            
"console": "internalConsole", //控制台模式，这里是内嵌控制台，一会要改成外置的，不然没法交互输入            
"stopAtEntry": false,            
"internalConsoleOptions": "openOnSessionStart"
        },        
{            
"name": ".NET Core Attach", //名称            
"type": "coreclr", //类型            
"request": "attach", //使用附加的方式            
"processId": "${command:pickProcess}" //附加的进程ID        
}    
]}

{    
"version": "0.2.0",    
"configurations": [
        {            
        "name": "调试ConsoleApp", //修改下命令            
        "type": "coreclr",            
        "request": "launch",            
        "preLaunchTask": "build_console", //修改前置任务名和task.json中配置一致            
        "program": "${workspaceRoot}\\VSCodeTutorial.ConsoleApp\\bin\\Debug\\netcoreapp1.1\\
        VSCodeTutorial.ConsoleApp.dll",            
        "args": [],            
        "cwd": "${workspaceRoot}\\VSCodeTutorial.ConsoleApp",            
        "externalConsole":true, //使用外置的控制台            
        "stopAtEntry": false,            
        "internalConsoleOptions": "openOnSessionStart"
        },
        {            
        "name": ".NET Core Attach",            
        "type": "coreclr",            
        "request": "attach",            
        "processId": "${command:pickProcess}"
        }
    ]
}