Java屏蔽Windows按键代码
发布时间:2020-12-15 00:12:52 所属栏目:Java 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 import com.sun.jna.platform.win32.Kernel32;import com.sun.jna.platform.win32.User32;import com.sun.jna.platform.win32.WinDef.HMODULE;import
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 import com.sun.jna.platform.win32.Kernel32; import com.sun.jna.platform.win32.User32; import com.sun.jna.platform.win32.WinDef.HMODULE; import com.sun.jna.platform.win32.WinDef.LRESULT; import com.sun.jna.platform.win32.WinDef.WPARAM; import com.sun.jna.platform.win32.WinUser.HHOOK; import com.sun.jna.platform.win32.WinUser.KBDLLHOOKSTRUCT; import com.sun.jna.platform.win32.WinUser.LowLevelKeyboardProc; import com.sun.jna.platform.win32.WinUser.MSG; public class KeyHook { private static HHOOK hhk; private static LowLevelKeyboardProc keyboardHook; private static User32 lib; public static void blockWindowsKey() { if (isWindows()) { new Thread(new Runnable() { @Override public void run() { lib = User32.INSTANCE; HMODULE hMod = Kernel32.INSTANCE.GetModuleHandle(null); keyboardHook = new LowLevelKeyboardProc() { public LRESULT callback(int nCode,WPARAM wParam,KBDLLHOOKSTRUCT info) { if (nCode >= 0) { switch (info.vkCode) { case 0x5B: case 0x5C: return new LRESULT(1); default: //do nothing } } return lib.CallNextHookEx(hhk,nCode,wParam,info.getPointer()); } }; hhk = lib.SetWindowsHookEx(13,keyboardHook,hMod,0); int result; MSG msg = new MSG(); while ((result = lib.GetMessage(msg,null,0)) != 0) { if (result == -1) { break; } else { lib.TranslateMessage(msg); lib.DispatchMessage(msg); } } lib.UnhookWindowsHookEx(hhk); } }).start(); } } public static void unblockWindowsKey() { if (isWindows() && lib != null) { lib.UnhookWindowsHookEx(hhk); } } public static boolean isWindows() { String os = System.getProperty("os.name").toLowerCase(); return (os.indexOf("win") >= 0); } } 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |