C#获取根目录的方法总结

1.控制台应用程序

1. static void Main(string[] args)
   
2. {
   
3. //1.Environment.CurrentDirectory
   
4. Console.WriteLine(Environment.CurrentDirectory);
   
5. //2.AppDomain.CurrentDomain.BaseDirectory
   
6. Console.WriteLine(AppDomain.CurrentDomain.BaseDirectory);
   
7. //3.项目的目录
   
8. Console.WriteLine(Path.GetFullPath("../../"));
   
9. Console.ReadKey();
   
10. }

运行结果：

2.winform应用程序

1. private void Form1_Load(object sender, EventArgs e)
   
2. {
   
3. //1.Environment.CurrentDirectory
   
4. txtBox1.Text = Environment.CurrentDirectory;
   
5. //2.Application.StartupPath
   
6. txtBox2.Text = Application.StartupPath;
   
7. //3.Directory.GetCurrentDirectory()
   
8. txtBox3.Text = Directory.GetCurrentDirectory();
   
9. //4.AppDomain.CurrentDomain.BaseDirectory
   
10. txtBox4.Text = AppDomain.CurrentDomain.BaseDirectory;
    
11. }

运行结果：

3.MVC和WebForm项目

　　通过Server.MapPath("/")获取根目录

1. //WebForm
   
2. <h1><%=Server.MapPath("/") %></h1>
   
3. //Mvc
   
4. <h1>@Server.MapPath("/")</h1>

4.WebApi项目

1. public class ValuesController : ApiController
   
2. {
   
3. //api/values
   
4. public string Get()
   
5. {
   
6. return System.Web.Hosting.HostingEnvironment.MapPath("/");
   
7. }
   
8. }

WebApi Core的根目录获取：HttpRuntime.AppDomainAppPath

补充：WebForm /Mvc /WebApi项目的根目录为配置文件Web.config所在的目录。

 

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