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  • .NET Core 1.0 CentOS7 尝试(三、使用VSCode创建一个Web应用)

     参考地址:https://docs.asp.net/en/latest/tutorials/your-first-mac-aspnet.html  

     一、使用VSCode创建一个目录FirstWebApp,File->Open Folder->Create Folder

        

        二、初始一个基本的.NET项目

        在VSCode中,Ctrl+Shift+P中没有找到这个命令,暂时没搞定,为啥?

        命令:dotnet new

        三、添加引用包

         project.json中添加相关引用

       

       VSCode中Ctrl+Shift+P 输入dotnet restore 单击加载恢复当前项目依赖包

        四、添加Startup.cs文件

        

    using Microsoft.AspNetCore.Builder;
    using Microsoft.AspNetCore.Hosting;
    using Microsoft.AspNetCore.Http;
    using Microsoft.Extensions;
    
    namespace FirstWebApp
    {
        public class Startup
        {   
            public void Configure(IApplicationBuilder app)
            {
                app.Run(async(context)=>
                {
                    await context.Response.WriteAsync("Hello World!");
                });
            }
        }
    }

         Program.cs

         

    using System;
    using System.IO;
    using Microsoft.AspNetCore.Hosting;
    
    namespace FirstWebApp
    {
        public class Program
        {
            public static void Main(string[] args)
            {
                var host = new WebHostBuilder()
                .UseKestrel()
                .UseContentRoot(Directory.GetCurrentDirectory())
                .UseStartup<Startup>()
                .Build();
                
                host.Run();
            }
        }
    }

        五、最终结果

        VSCode中F5执行发现报错

        Unhandled Exception: System.AggregateException: One or more errors occurred. (Error -98 EADDRINUSE address already in use) --->      Microsoft.AspNetCore.Server.Kestrel.Networking.UvException: Error -98 EADDRINUSE address already in use

       如果发现这个错误,暂时不知道有啥解决方案,临时对策就是在CentOS 系统管理工具中,找到System Monitor 在Processes 干掉dotnet的全部进程。

        命令跑如下:

       

    [sonny@bogon FirstWebApp]$ dotnet run
    Project FirstWebApp (.NETCoreApp,Version=v1.0) was previously compiled. Skipping compilation.
    Hosting environment: Production
    Content root path: /home/sonny/DotnetProject/FirstWebApp
    Now listening on: http://localhost:5000
    Application started. Press Ctrl+C to shut down.

       六、结果

        浏览器中访问localhost:5000 就能看到Hello World!

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  • 原文地址:https://www.cnblogs.com/sonnychen/p/5504789.html
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