另一种方法。

REM    # # # #      CHECKING OR IS STARTED AS ADMINISTRATOR     # # # # #

FSUTIL | findstr /I "volume" > nul&if not errorlevel 1  goto Administrator_OK

cls
echo *******************************************************
echo ***    R U N    A S    A D M I N I S T R A T O R    ***
echo *******************************************************
echo.
echo.
echo Call up just as the Administrator. Abbreviation can be done to the script and set:
echo.
echo      Shortcut ^> Advanced ^> Run as Administrator
echo.
echo.
echo Alternatively, a single run "Run as Administrator"
echo or in the Schedule tasks with highest privileges
pause > nul
goto:eof
:Administrator_OK

REM Some next lines code ...

我有两种检查特权访问的方法，这两种方法都非常可靠，而且几乎在每个windows版本上都非常可移植。

1. 方法

set guid=%random%%random%-%random%-%random%-%random%-%random%%random%%random%

mkdir %WINDIR%\%guid%>nul 2>&1
rmdir %WINDIR%\%guid%>nul 2>&1

IF %ERRORLEVEL%==0 (
    ECHO PRIVILEGED!
) ELSE (
    ECHO NOT PRIVILEGED!
)

这是最可靠的方法之一，因为它很简单，而且这个非常原始的命令的行为不太可能改变。这不是其他内置CLI工具的情况，比如可以通过管理/网络策略禁用的net session，或者像fsutils这样在Windows 10上改变输出的命令。

*适用于XP及以后

2. 方法

REG ADD HKLM /F>nul 2>&1

IF %ERRORLEVEL%==0 (
    ECHO PRIVILEGED!
) ELSE (
    ECHO NOT PRIVILEGED!
)

Sometimes you don't like the idea of touching the user disk, even if it is as inoffensive as using fsutils or creating a empty folder, is it unprovable but it can result in a catastrophic failure if something goes wrong. In this scenario you can just check the registry for privileges. For this you can try to create a key on HKEY_LOCAL_MACHINE using default permissions you'll get Access Denied and the ERRORLEVEL == 1, but if you run as Admin, it will print "command executed successfully" and ERRORLEVEL == 0. Since the key already exists it have no effect on the registry. This is probably the fastest way, and the REG is there for a long time. * It's not avaliable on pre NT (Win 9X).

*适用于XP及以后

---

工作示例

清除临时文件夹的脚本

@echo off :main echo. echo. Clear Temp Files script echo. call :requirePrivilegies rem Do something that require privilegies echo. del %temp%\*.* echo. End! pause>nul goto :eof :requirePrivilegies set guid=%random%%random%-%random%-%random%-%random%-%random%%random%%random% mkdir %WINDIR%\%guid%>nul 2>&1 rmdir %WINDIR%\%guid%>nul 2>&1 IF NOT %ERRORLEVEL%==0 ( echo ########## ERROR: ADMINISTRATOR PRIVILEGES REQUIRED ########### echo # This script must be run as administrator to work properly! # echo # Right click on the script and select "Run As Administrator" # echo ############################################################### pause>nul exit ) goto :eof

问题

blak3r / Rushyo的解决方案适用于除Windows 8以外的所有系统。在Windows 8上运行AT会导致:

The AT command has been deprecated. Please use schtasks.exe instead.

The request is not supported.

(参见截图#1)，将返回%errorLevel% 1。

 

研究

所以，我开始寻找其他需要更高权限的命令。rationallyparanoid网站上列出了一些这样的命令，所以我在当前Windows操作系统的两个极端(XP和8)上运行了每个命令，希望找到一个在两种操作系统上使用标准权限时都被拒绝访问的命令。

最终，我找到了一个- NET SESSION。一个真正的、干净的、普遍的解决方案，不包括:

在安全位置上创建数据或与数据交互 分析FOR循环返回的数据 搜索“管理员”字符串 使用AT (Windows 8不兼容)或WHOAMI (Windows XP不兼容)。

每一个都有自己的安全性、可用性和可移植性问题。

 

测试

我已经独立确认，这适用于:

Windows XP, x86 Windows XP, x64 Windows Vista, x86 Windows Vista, x64 Windows 7, x86 Windows 7, x64 Windows 8, x86 Windows 8, x64 Windows 10 v1909, x64

(见截图#2)

 

实施/使用

所以，要使用这个解决方案，只需像这样做:

@echo off
goto check_Permissions

:check_Permissions
    echo Administrative permissions required. Detecting permissions...
    
    net session >nul 2>&1
    if %errorLevel% == 0 (
        echo Success: Administrative permissions confirmed.
    ) else (
        echo Failure: Current permissions inadequate.
    )
    
    pause >nul

 

解释

NET SESSION是一个用于“管理服务器计算机连接”的标准命令。不带参数使用时，[它]显示与本地计算机的所有会话信息。”

所以，这是我给出的实现的基本过程:

@echo off Disable displaying of commands goto check_Permissions Jump to the :check_Permissions code block net session >nul 2>&1 Run command Hide visual output of command by Redirecting the standard output (numeric handle 1 / STDOUT) stream to nul Redirecting the standard error output stream (numeric handle 2 / STDERR) to the same destination as numeric handle 1 if %errorLevel% == 0 If the value of the exit code (%errorLevel%) is 0 then this means that no errors have occurred and, therefore, the immediate previous command ran successfully else If the value of the exit code (%errorLevel%) is not 0 then this means that errors have occurred and, therefore, the immediate previous command ran unsuccessfully The code between the respective parenthesis will be executed depending on which criteria is met

 

截图

Windows 8 AT %errorLevel%:

 

NET SESSION在Windows XP x86 - Windows 8 x64上:

 

谢谢你，@Tilka，把你接受的答案改成了我的。：）

使用CMD脚本检查管理权限的最干净的方法，我发现，是这样的:

@echo off

REM  Calling verify with no args just checks the verify flag,
REM   we use this for its side effect of setting errorlevel to zero
verify >nul

REM  Attempt to read a particular system directory - the DIR
REM   command will fail with a nonzero errorlevel if the directory is
REM   unreadable by the current process.  The DACL on the
REM   c:\windows\system32\config\systemprofile directory, by default,
REM   only permits SYSTEM and Administrators.
dir %windir%\system32\config\systemprofile >nul 2>nul

REM  Use IF ERRORLEVEL or %errorlevel% to check the result
if not errorlevel 1 echo has Admin privs
if     errorlevel 1 echo has only User privs

这个方法只使用CMD.exe内置程序，所以它应该非常快。它还检查流程的实际功能，而不是检查sid或组成员关系，因此测试有效的权限。这可以追溯到Windows 2003和XP。普通用户进程或非提升进程目录探测失败，而Admin进程或提升进程成功。

>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"&&(
 echo admin...
)

不仅检查，而且自动获得管理权限 也就是win7/8/8.1 ff的自动UAC。下面是一个非常酷的程序，它还有一个特性:这个批处理代码片段不仅检查管理权限，而且会自动获取它们!(以及之前的测试，如果生活在一个支持UAC的操作系统上。)

有了这个技巧，你不需要更长的时间右击你的批处理文件“与管理权限”。如果你忘记了，从提升权限开始，UAC自动出现!此外，首先它是测试，如果操作系统需要/提供UAC，所以它表现正确，例如Win 2000/XP，直到Win 8.1测试。

@echo off
REM Quick test for Windows generation: UAC aware or not ; all OS before NT4 ignored for simplicity
SET NewOSWith_UAC=YES
VER | FINDSTR /IL "5." > NUL
IF %ERRORLEVEL% == 0 SET NewOSWith_UAC=NO
VER | FINDSTR /IL "4." > NUL
IF %ERRORLEVEL% == 0 SET NewOSWith_UAC=NO


REM Test if Admin
CALL NET SESSION >nul 2>&1
IF NOT %ERRORLEVEL% == 0 (

    if /i "%NewOSWith_UAC%"=="YES" (
        rem Start batch again with UAC
        echo Set UAC = CreateObject^("Shell.Application"^) > "%temp%\getadmin.vbs"
        echo UAC.ShellExecute "%~s0", "", "", "runas", 1 >> "%temp%\getadmin.vbs"
        "%temp%\getadmin.vbs"
        del "%temp%\getadmin.vbs"
        exit /B
    )

    rem Program will now start again automatically with admin rights! 
    rem pause
    goto :eof
)

该代码片段将一些好的批处理模式合并在一起，特别是(1)本Hooper在这个线程中的管理测试和(2)在BatchGotAdmin上读取的UAC激活，并由robvanderwoude在批处理站点上引用(respect)。(3)对于“VER | FINDSTR模式”的操作系统标识，我只是没有找到参考。)

(关于一些非常小的限制，当“NET SESSION”不工作时，如另一个答案所述-请随意插入另一个这些命令。对我来说，运行在Windows安全模式或特殊标准服务，这不是一个重要的用例-对一些管理员来说可能是。)