这不能通过 ProcessBuilder 完成,您需要调用 Windows API。
我使用JNA来实现这一点,代码类似于以下:
Shell32X.java
:
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.Structure;
import com.sun.jna.WString;
import com.sun.jna.platform.win32.Shell32;
import com.sun.jna.platform.win32.WinDef.HINSTANCE;
import com.sun.jna.platform.win32.WinDef.HWND;
import com.sun.jna.platform.win32.WinNT.HANDLE;
import com.sun.jna.platform.win32.WinReg.HKEY;
import com.sun.jna.win32.W32APIOptions;
public interface Shell32X extends Shell32
{
Shell32X INSTANCE = (Shell32X)Native.loadLibrary("shell32", Shell32X.class, W32APIOptions.UNICODE_OPTIONS);
int SW_HIDE = 0;
int SW_MAXIMIZE = 3;
int SW_MINIMIZE = 6;
int SW_RESTORE = 9;
int SW_SHOW = 5;
int SW_SHOWDEFAULT = 10;
int SW_SHOWMAXIMIZED = 3;
int SW_SHOWMINIMIZED = 2;
int SW_SHOWMINNOACTIVE = 7;
int SW_SHOWNA = 8;
int SW_SHOWNOACTIVATE = 4;
int SW_SHOWNORMAL = 1;
/** File not found. */
int SE_ERR_FNF = 2;
/** Path not found. */
int SE_ERR_PNF = 3;
/** Access denied. */
int SE_ERR_ACCESSDENIED = 5;
/** Out of memory. */
int SE_ERR_OOM = 8;
/** DLL not found. */
int SE_ERR_DLLNOTFOUND = 32;
/** Cannot share an open file. */
int SE_ERR_SHARE = 26;
int SEE_MASK_NOCLOSEPROCESS = 0x00000040;
int ShellExecute(int i, String lpVerb, String lpFile, String lpParameters, String lpDirectory, int nShow);
boolean ShellExecuteEx(SHELLEXECUTEINFO lpExecInfo);
public static class SHELLEXECUTEINFO extends Structure
{
/*
DWORD cbSize;
ULONG fMask;
HWND hwnd;
LPCTSTR lpVerb;
LPCTSTR lpFile;
LPCTSTR lpParameters;
LPCTSTR lpDirectory;
int nShow;
HINSTANCE hInstApp;
LPVOID lpIDList;
LPCTSTR lpClass;
HKEY hkeyClass;
DWORD dwHotKey;
union {
HANDLE hIcon;
HANDLE hMonitor;
} DUMMYUNIONNAME;
HANDLE hProcess;
*/
public int cbSize = size();
public int fMask;
public HWND hwnd;
public WString lpVerb;
public WString lpFile;
public WString lpParameters;
public WString lpDirectory;
public int nShow;
public HINSTANCE hInstApp;
public Pointer lpIDList;
public WString lpClass;
public HKEY hKeyClass;
public int dwHotKey;
/*
* Actually:
* union {
* HANDLE hIcon;
* HANDLE hMonitor;
* } DUMMYUNIONNAME;
*/
public HANDLE hMonitor;
public HANDLE hProcess;
protected List getFieldOrder() {
return Arrays.asList(new String[] {
"cbSize", "fMask", "hwnd", "lpVerb", "lpFile", "lpParameters",
"lpDirectory", "nShow", "hInstApp", "lpIDList", "lpClass",
"hKeyClass", "dwHotKey", "hMonitor", "hProcess",
});
}
}
}
Elevator.java
:
package test;
import test.Shell32X.SHELLEXECUTEINFO;
import com.sun.jna.WString;
import com.sun.jna.platform.win32.Kernel32;
import com.sun.jna.platform.win32.Kernel32Util;
public class Elevator
{
public static void main(String... args)
{
executeAsAdministrator("c:\\windows\\system32\\notepad.exe", "");
}
public static void executeAsAdministrator(String command, String args)
{
Shell32X.SHELLEXECUTEINFO execInfo = new Shell32X.SHELLEXECUTEINFO();
execInfo.lpFile = new WString(command);
if (args != null)
execInfo.lpParameters = new WString(args);
execInfo.nShow = Shell32X.SW_SHOWDEFAULT;
execInfo.fMask = Shell32X.SEE_MASK_NOCLOSEPROCESS;
execInfo.lpVerb = new WString("runas");
boolean result = Shell32X.INSTANCE.ShellExecuteEx(execInfo);
if (!result)
{
int lastError = Kernel32.INSTANCE.GetLastError();
String errorMessage = Kernel32Util.formatMessageFromLastErrorCode(lastError);
throw new RuntimeException("Error performing elevation: " + lastError + ": " + errorMessage + " (apperror=" + execInfo.hInstApp + ")");
}
}
}