设置开机自启动并重启

#include "mainwindow.h"

#include <QApplication>

#include "windows.h"

#include <QCoreApplication>

#include <QSettings>

#include <QDebug>

#include <windows.h>

#define REG_RUN "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run"

#pragma comment(lib,"Advapi32.lib")

#pragma comment(lib,"User32.lib")

//设置开机自启动

//Param:    is_auto_start     true添加/false移除

//              name          注册表保存的名字   键

//            filePath        程序路径          值

//返回值:   true设置成功/false设置失败

bool setAutoStart(bool is_auto_start,QString name,QString filePath)

{

    QSettings *settings = new QSettings(REG_RUN, QSettings::NativeFormat);

    if(is_auto_start)

    {

        if(settings->value(name).toString()!=filePath.replace("/","\\")){

            settings->setValue(name,filePath.replace("/", "\\"));

            return true;

        }

    }

    else

    {

        if(settings->value(name).toString()!=""){

            settings->remove(name);

            return true;

        }

    }

    delete settings;

    return false;

}

//winAPI重启系统

bool MySystemShutdownOrRestart()

{

    HANDLE hToken;

    TOKEN_PRIVILEGES tkp;

    // Get a token for this process.

    if (!OpenProcessToken(GetCurrentProcess(),TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))

        return(FALSE);

    // Get the LUID for the shutdown privilege.

    LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,

                         &tkp.Privileges[0].Luid);

    tkp.PrivilegeCount = 1;  // one privilege to set

    tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

    // Get the shutdown privilege for this process.

    AdjustTokenPrivileges(hToken, FALSE, &tkp, 0,(PTOKEN_PRIVILEGES)NULL, 0);

    if (GetLastError() != ERROR_SUCCESS)

        return FALSE;

    // Shut down the system and force all applications to close.

    /*

if (!ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE,

SHTDN_REASON_MAJOR_OPERATINGSYSTEM |

SHTDN_REASON_MINOR_UPGRADE |

SHTDN_REASON_FLAG_PLANNED))

*/

    //restart the system

    if (!ExitWindowsEx(EWX_REBOOT | EWX_FORCE, 0))

        return FALSE;

    //shutdown or restart was successful

    return TRUE;

}

//单例

bool checkOnly()

{

    //  创建互斥量

    HANDLE m_hMutex  =  CreateMutex(NULL, FALSE,  L"121212121212" );

    //  检查错误代码

    if  (GetLastError()  ==  ERROR_ALREADY_EXISTS)  {

        //  如果已有互斥量存在则释放句柄并复位互斥量

        CloseHandle(m_hMutex);

        m_hMutex  =  NULL;

        //  程序退出

        return  false;

    }

    else

        return true;

}

int main(int argc, char *argv[])

{

    QApplication a(argc, argv);

    if(!checkOnly())

        return 0;

    if(setAutoStart(true,"TmPrinter",QCoreApplication::applicationFilePath())){

//        qDebug()<<"开机自启动设置成功，即将重启。路径："<<QCoreApplication::applicationFilePath();

        MySystemShutdownOrRestart();

    }

    MainWindow w;

    w.hide();

//    w.show();

    return a.exec();

}