怎么获取物理路径？？

Question

由 D:\a\b\c\bin\Debug\1.exe;
怎么得到：D:\a\b\c\;  

Answer 1

Response.Write("<br>服务器实际路径是：" + Request.PhysicalPath);

Answer 2

System.AppDomain.CurrentDomain.BaseDirectory;
这个行不？

Answer 3

 /// <summary>
        /// 获得物理路径
        /// </summary>
        /// <param name="a">路径</param>
        /// <returns>物理路径</returns>
        public static string GetFullPath(string a)
        {
            string AppDir = System.AppDomain.CurrentDomain.BaseDirectory;
            if (a.IndexOf(":") < 0)
            {
                string str = a.Replace("..\\", "");
                if (str != a)
                {
                    int Num = (a.Length - str.Length) / ("..\\").Length + 1;
                    for (int i = 0; i < Num; i++)
                    {
                        AppDir = AppDir.Substring(0, AppDir.LastIndexOf("\\"));
                    }
                    str = "\\" + str;                }
                a = AppDir + str;
            }
            return a;
        }

Answer 4

 /// <summary>
        /// 获得物理路径
        /// </summary>
        /// <param name="a">路径</param>
        /// <returns>物理路径</returns>
        public static string GetFullPath(string a)
        {
            string AppDir = System.AppDomain.CurrentDomain.BaseDirectory;
            if (a.IndexOf(":") < 0)
            {
                string str = a.Replace("..\\", "");
                if (str != a)
                {
                    int Num = (a.Length - str.Length) / ("..\\").Length + 1;
                    for (int i = 0; i < Num; i++)
                    {
                        AppDir = AppDir.Substring(0, AppDir.LastIndexOf("\\"));
                    }
                    str = "\\" + str;                }
                a = AppDir + str;
            }
            return a;
        }

Answer 5

用这个
System.AppDomain.CurrentDomain.BaseDirectory;

Answer 6

会得到D:\a\b\c\bin\Debug，不是D:\a\b\c\

Answer 7

HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString()

Answer 8

System.Web.HttpContext.Current.Request.PhysicalApplicationPath