使用VsCode编写和调试.NET Core项目

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);
        }
    }
}

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");
                }
            }

        }
    }
}

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": "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}"
        }
    ]
}

{
    "version": "0.2.0",
    "configurations": [
        "HelloRpcClientLaunch"
        {
            "name": "HelloRpcServer",
            "type": "coreclr",
            "request": "launch",
            "preLaunchTask": "buildServer",
            "program": "${workspaceRoot}\\src\\sample\\HelloRpc\\HelloRpc.Server\\bin\\Debug\\netcoreapp1.1\\HelloRpc.Server.dll",
            "args": [],
            "cwd": "${workspaceRoot}\\src\\sample\\HelloRpc\\HelloRpc.Server",
            "externalConsole":true,
            "stopAtEntry": false,
            "internalConsoleOptions": "openOnSessionStart"
        },
        "HelloRpcClientLaunch"
        {
            "name": "HelloRpcClient",
            "type": "coreclr",
            "request": "launch",
            "preLaunchTask": "buildClient",
            "program": "${workspaceRoot}\\src\\sample\\HelloRpc\\HelloRpc.Client\\bin\\Debug\\netcoreapp1.1\\HelloRpc.Client.dll",
            "args": [],
            "cwd": "${workspaceRoot}\\src\\sample\\HelloRpc\\HelloRpc.Client",
            "externalConsole":true,
            "stopAtEntry": false,
            "internalConsoleOptions": "openOnSessionStart"
        }
    ]
    "compounds": [
        {
            "name": "Server/Client",
            "configurations": ["HelloRpcServer", "HelloRpcClient"]
        }
    ]
}