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OperationManager/operation_windows.cpp

+#include "./operation_windows.h"
+
+Operation_Windows::Operation_Windows()
+{
+
+}
+int Operation_Windows::ScreenOperation(bool commond)
+{
+#if (defined(Q_CC_MSVC) || defined(Q_CC_MINGW))
+    if(commond==true)
+    {
+      ::PostMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM)2);
+
+    }
+    else
+    {
+     ::PostMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM)-1);
+    }
+#else
+   Q_UNUSED(commond);
+#endif
+    return 0;
+}
+bool Operation_Windows::envinit()
+{
+#if (defined(Q_CC_MSVC) || defined(Q_CC_MINGW))
+    HANDLE hToken;
+    TOKEN_PRIVILEGES tkp;
+
+    //获取进程标志
+    if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
+         return false;
+
+    //获取关机特权的LUID
+    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,    &tkp.Privileges[0].Luid);
+    tkp.PrivilegeCount = 1;
+    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
+
+    //获取这个进程的关机特权
+    AdjustTokenPrivileges(hToken, false, &tkp, 0, (PTOKEN_PRIVILEGES)NULL, 0);
+    if (GetLastError() != ERROR_SUCCESS) return false;
+#endif
+    return true;
+}
+int Operation_Windows::PoweroffOperation(int commond)
+{
+#if (defined(Q_CC_MSVC) || defined(Q_CC_MINGW))
+    if(envinit() !=0) return -1;
+/*****************************************************************/
+    if(commond == 1)
+    {
+    // 强制关闭计算机
+    if ( !ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE, 0))
+          return -1;
+    }
+    else if(commond == 2)
+    {
+     SetSystemPowerState(false,TRUE);
+    }
+    else if(commond == 3)
+    {
+     ExitWindowsEx(EWX_REBOOT,0);     //重启计算机
+    }
+    else {
+
+    }
+#else
+   Q_UNUSED(commond);
+#endif
+    return 0;
+}