从当前进程检索所有环境变量名及其值

IDictionary environmentVariables = Environment.GetEnvironmentVariables();

DictionaryEntry de;

IEnumerator enumObj = environmentVariables.GetEnumerator();

while (enumObj.MoveNext())

{

de = (DictionaryEntry)enumObj.Current;

Response.Write(de.Key);

Response.Write(":");

Response.Write(de.Value);

Response.Write("<br/>");

输出信息：

Path:C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Microsoft SQL Server\80\Tools\Binn\;D:\Microsoft SQL Server\90\DTS\Binn\;D:\Microsoft SQL Server\90\Tools\binn\;D:\Microsoft SQL Server\90\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies\

PATHEXT:.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH

PROCESSOR_ARCHITECTURE:x86

SystemDrive:C:

windir:C:\WINDOWS

TMP:C:\WINDOWS\TEMP

USERPROFILE:C:\Documents and Settings\Default User

ProgramFiles:C:\Program Files

FP_NO_HOST_CHECK:NO

COMPUTERNAME:KVCSERVER

APP_POOL_ID:DefaultAppPool

NUMBER_OF_PROCESSORS:1

PROCESSOR_IDENTIFIER:x86 Family 15 Model 4 Stepping 9, GenuineIntel

SystemRoot:C:\WINDOWS

ComSpec:C:\WINDOWS\system32\cmd.exe

CommonProgramFiles:C:\Program Files\Common Files

PROCESSOR_LEVEL:15

PROCESSOR_REVISION:0409

lib:C:\Program Files\SQLXML 4.0\bin\

ALLUSERSPROFILE:C:\Documents and Settings\All Users

VS90COMNTOOLS:D:\Microsoft Visual Studio 9.0\Common7\Tools\

TEMP:C:\WINDOWS\TEMP

OS:Windows_NT