ASP.NETCore环境变量配置和启动设置讲解

        // This method gets called by the runtime. Use this method to configure the Http request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.ADDDebug();

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseBrowserLink();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();

            app.Usemvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id?}");
            });
        }

{
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:22437/",
      "sslPort": 0
    }
  },
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true, 
      "environmentVariables": { 
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "CoreWEBApp": {
      "commandName": "Project",
      "launchBrowser": true,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "applicationUrl": "http://localhost:22438"
    }
  }
}

{
  "iisSettings": {
    "windowsAuthentication": false,//启用Windows身份验证
    "anonymousAuthentication": true,//启用匿名身份验证
    "iisExpress": {
      "applicationUrl": "http://localhost:22437/",//应用启动的Url路径。
      "sslPort": 44355//启用SSL的端口
    }
  },
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "commandLineArgs": "", //传递命令的参数
      "workingDirectory": "", //设置命令的工作目录
      "launchBrowser": true, //是否在浏览器中启动
      "launchUrl": "1111", //在浏览器中启动的相对URL
      "environmentVariables": { //将环境变量设置为键/值对
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    }
  }
}

    <environment names="Development">
        <link rel="stylesheet" href="~/lib/bootstrap/dist/CSS/bootstrap.css" rel="external nofollow"  />
        <link rel="stylesheet" href="~/css/site.css" rel="external nofollow"  />
    </environment>
    <environment names="Staging,Production">
        <link rel="stylesheet" href="https://ajax.aspnetcdn.com/ajax/bootstrap/3.3.7/css/bootstrap.min.css" rel="external nofollow" 
              asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css" rel="external nofollow" 
              asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
        <link rel="stylesheet" href="~/css/site.min.css" rel="external nofollow"  asp-append-version="true" />
    </environment>