asp.net core razor pages project in visual code localhost:5001 return 这个站点无法访问

Question

Windows 服务器 2012, ASP.NET 核心 3.0

我安装了新的应用程序 razor 页面并尝试在可视代码中以调试模式运行我在 localhost:5001 上打开项目但在浏览器中出现错误：

无法访问此站点。 https://localhost:5001/的网页可能暂时关闭，或者它可能已永久移动到新的 web 地址。

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": ".NET Core Launch (web)",
            "type": "coreclr",
            "request": "launch",
            "preLaunchTask": "build",
            "program": "${workspaceFolder}/bin/Debug/netcoreapp3.0/WebApplication1.dll",
            "args": [],
            "cwd": "${workspaceFolder}",
            "stopAtEntry": false,
            "serverReadyAction": {
                "action": "openExternally",
                "pattern": "^\\s*Now listening on:\\s+(https?://\\S+)"
            },
            "env": {
                "ASPNETCORE_ENVIRONMENT": "Development"
            },
            "sourceFileMap": {
                "/Pages": "${workspaceFolder}/Pages"
            }
        },
        {
            "name": ".NET Core Attach",
            "type": "coreclr",
            "request": "attach",
            "processId": "${command:pickProcess}"
        }
    ]
}

附加信息：

我试图在 Visual Studio 中运行项目。 如果我 select 运行 IIS 一切都很好，但如果我使用项目名称是类似的错误。

Answer 1

您的启动文件中有以下条目吗？

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