1  using Microsoft.Extensions.Hosting;
 2  
 3  private readonly IHostEnvironment _hostEnvironment;
 4  
 5  public TestController(IHostEnvironment hostEnvironment)
 6  {
 7      _hostEnvironment = hostEnvironment;
 8  }
 9    
10  public IActionResult Test()
11  {
13 　　return Content(_hostEnvironment.ContentRootPath);
14  }