Core 运行修改后台代码实时编译

 首先引入

  <ItemGroup>
    <DotNetCliToolReference Include="Microsoft.DotNet.Watcher.Tools" Version="2.0.0" />
  </ItemGroup>

第二步完成

    "Watch": {
      "commandName": "Project",
      "executablePath": "C:\\Program Files\\dotnet\\dotnet.exe",
      "commandLineArgs": "watch run",
      "launchBrowser": true,
      "applicationUrl": "http://localhost:5008",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }

第三步：运行dotnet watch run 就成功了