1. 場景描述
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5SN4EjMkJGOyE2N3ADMzEDO1U2M0YjM3gDZzQDM5Y2N58CX5d2bs92Yl1iclB3bsVmdlR2LcNWaw9CXt92Yu4GZjlGbh5yYjV3Lc9CX6MHc0RHaiojIsJye.png)
還是用開機助手這個軟體來舉例,軟體在編譯打包完成後,正常啟動後,可以正常讀取到與其同級目錄下BAT檔案中的關機腳本的,如下圖
經過測試,是沒有問題,但是呢,當我們把程式設定為開機啟動,在程式開機自啟動後,無法讀取程式的關機腳本。
2. 查找原因
2.1 權限原因
在開始部署的時候,把程式安裝到了C槽,開始懷疑是不是因為給的權利不夠,在給了全部權限後,還是不可以。排除權限問題。
2.2 在部署目錄運作
在部署目錄手動啟動,程式可以正常執行,可以讀取到關機腳本。
2.3 檔案路徑問題
經過百度後,才明白,如果我們把程式設定為開機啟動後,因為開機啟動的指令其實也是CMD的指令,是以,如果我們在代碼中使用以下代碼擷取程式路徑,其實擷取到的是CMD程式的運作路徑,也就是“C:\Windows\System32”,是以會發現找不到檔案
QString appPath = QApplication::applicationFilePath();
3. 解決方法
解決方案也很簡單,就是把擷取程式路徑的代碼修改一下,如下:
QString curPath = QCoreApplication::applicationDirPath();
問題解決
附上源碼
#include "mainwindow.h"
#include "./ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent)
: QWidget(parent)
, ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setWindowTitle("網絡關機助手");
this->setWindowFlag(Qt::FramelessWindowHint);
ui->label_mainBack->setStyleSheet("QLabel{border-image:url(:/images/images/mainBack.png);}");
ui->label_logo->setStyleSheet("QLabel{border-image:url(:/images/images/logo_W.png);}");
ui->pushButton_poweroff->setToolTip("關閉所有線上計算機");
ui->pushButton_close->setToolTip("最小化到工作列");
ui->pushButton_poweroff->setStyleSheet("QPushButton{border-image:url(:/images/images/pw_n.png);}QPushButton:hover{border-image:url(:/images/images/pw_h.png);}QPushButton:pressed{border-image:url(:/images/images/pw_p.png);}");
ui->label_title->setText("網絡關機助手");
readConfig();
initUDPSocket();
initMySystemTrayIcon();
initGetTimeTimer();
getSystemInfor();
}
MainWindow::~MainWindow()
{
if(m_getTimeTimer)
{
m_getTimeTimer->stop();
delete m_getTimeTimer;
m_getTimeTimer = nullptr;
}
delete ui;
}
void MainWindow::powerOffBat()
{
QString strinfo;
QProcess p(NULL);
QString curPath = QCoreApplication::applicationDirPath();
QString toolPath;
toolPath = "/BAT";
curPath.append(toolPath);
p.setWorkingDirectory(curPath);
toolPath = "/poweroff.bat";
curPath.append(toolPath);
p.start(curPath);
if(p.waitForFinished())
{
qDebug() << "成功";
}
else
{
QMessageBox::warning(this,"警告","執行關機腳本失敗\r\n請檢查程式根目錄下BAT檔案中是否存在‘poweroff.bat’");
}
}
void MainWindow::sentConmad()
{
m_Socket->writeDatagram(QString::number(1,16).toLatin1(),QHostAddress::Broadcast,8088);
}
void MainWindow::on_pushButton_poweroff_clicked()
{
/*
* 關機指令需要測試,UDP廣播應該是自己也可以收到,是以這裡應該不需要單獨執行關機指令
*/
sentConmad();
}
void MainWindow::getUDPDate()
{
while (m_Socket->hasPendingDatagrams())
{
QByteArray datagram;
datagram.resize(m_Socket->pendingDatagramSize());
m_Socket->readDatagram(datagram.data(),datagram.size());
if(datagram.toInt() == 0x01)
{
if(this->isHidden())
{
this->show();
}
powerOffBat();
}
}
}
void MainWindow::on_pushButton_close_clicked()
{
// this->close(); //最後注釋
this->hide();
}
void MainWindow::initMySystemTrayIcon()
{
/*
* 設定系統托盤内容
*/
m_trayIcon = new QSystemTrayIcon(this);
m_trayIcon->setIcon(QIcon(":/images/images/logo.ico"));
m_trayIcon->setToolTip("關機助手");
m_trayIcon->show();
connect(m_trayIcon,&QSystemTrayIcon::activated,this,[=](QSystemTrayIcon::ActivationReason temp){
switch (temp) {
case QSystemTrayIcon::Trigger:
{
//單擊圖示時間
break;
}
case QSystemTrayIcon::DoubleClick:
{
if(this->isHidden())
{
this->showNormal();
}
else
{
this->hide();
}
break;
}
}
});
initMySystemTrayIconAction();
initMySystemTrayIconMenu();
// m_trayIcon->showMessage("Tip","PowerControl is running",QSystemTrayIcon::MessageIcon::Information,3);
}
void MainWindow::initMySystemTrayIconAction()
{
m_showWindowAction = new QAction(QIcon(":/images/images/logo.ico"),"顯示界面",this);
connect(m_showWindowAction,&QAction::triggered,this,[=](){this->show();});
m_exitAppAction = new QAction(QIcon(":/images/images/exit.ico"),"退出程式",this);
connect(m_exitAppAction,&QAction::triggered,this,[=](){this->close();});
m_powerOffAppAction = new QAction(QIcon(":/images/images/logo.ico"),"一鍵關機",this);
connect(m_powerOffAppAction,&QAction::triggered,this,&MainWindow::on_pushButton_poweroff_clicked);
}
void MainWindow::initMySystemTrayIconMenu()
{
m_trayIconMenu = new QMenu(this);
m_trayIconMenu->addAction(m_powerOffAppAction);
m_trayIconMenu->addSeparator();
m_trayIconMenu->addAction(m_showWindowAction);
m_trayIconMenu->addAction(m_exitAppAction);
m_trayIcon->setContextMenu(m_trayIconMenu);
}
void MainWindow::initUDPSocket()
{
m_Socket = new QUdpSocket();
m_Socket->bind(8088,QUdpSocket::ShareAddress);
connect(m_Socket,&QUdpSocket::readyRead,this,&MainWindow::getUDPDate);
}
static QPoint last(0,0); //儲存坐标
const int TITLE_HEIGHT = 50; //這裡也可以使用宏定義,儲存标題高度,也就是滑鼠點選區域的高度
void MainWindow::mousePressEvent(QMouseEvent *event)
{
if(event->position().y()<TITLE_HEIGHT)
{
last = event->globalPosition().toPoint();
}
}
void MainWindow::mouseMoveEvent(QMouseEvent *event)
{
if(event->position().y()<TITLE_HEIGHT)
{
int dx = event->globalPosition().x() - last.x();
int dy = event->globalPosition().y() - last.y();
last = event->globalPosition().toPoint();
this->move(this->x()+dx,this->y()+dy);
}
}
void MainWindow::mouseReleaseEvent(QMouseEvent *event)
{
if(event->position().y()<TITLE_HEIGHT)
{
int dx = event->globalPosition().x() - last.x();
int dy = event->globalPosition().y() - last.y();
this->move(this->x()+dx,this->y()+dy);
}
}
QString MainWindow::getTime(QString format)
{
QTime mTime = QTime::currentTime();
if(ui->checkBox_isTimerOff->isChecked())
if(mTime.hour() == mTimeOff.hour() && mTime.minute() == mTimeOff.minute())
{
ui->checkBox_isTimerOff->setChecked(false);
QSettings *config = new QSettings("CONFIG.ini",QSettings::IniFormat);
config->setValue("TimerOff/HH",mTime.hour());
config->setValue("TimerOff/MM",mTime.minute());
sentConmad();
}
return mTime.toString(format);
}
void MainWindow::initGetTimeTimer()
{
if(!m_getTimeTimer)
{
m_getTimeTimer = new QTimer(this);
}
connect(m_getTimeTimer,&QTimer::timeout,this,[=](){
ui->pushButton_close->setText(getTime("hh:mm"));
});
m_getTimeTimer->start(500);
}
void MainWindow::getSystemInfor()
{
m_systemName = QHostInfo::localHostName();
QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
for (int i = 0; i < ipAddressesList.size(); ++i) {
if (ipAddressesList.at(i) != QHostAddress::LocalHost &&
ipAddressesList.at(i).toIPv4Address()) {
m_systemIp = ipAddressesList.at(i).toString();
break;
}
}
if (m_systemIp.isEmpty())
m_systemIp = QHostAddress(QHostAddress::LocalHost).toString();
ui->label_sysInfor->setText(QString("裝置名稱:%1\r\nI P 位址:%2").arg(m_systemName).arg(m_systemIp));
}
void MainWindow::readConfig()
{
QString curPath = QCoreApplication::applicationDirPath();
curPath.append("/CONFIG.ini");
QSettings *config = new QSettings(curPath,QSettings::IniFormat);
ui->timeEdit_off->setTime(QTime(config->value("TimerOff/HH").toInt(),config->value("TimerOff/MM").toInt(),0,0));
if(config->value("TimerOff/FLAG").toInt())
{
ui->checkBox_isTimerOff->setChecked(true);
}
}
void MainWindow::on_timeEdit_off_userTimeChanged(const QTime &time)
{
mTimeOff = time;
}
void MainWindow::on_checkBox_isTimerOff_clicked(bool checked)
{
QString curPath = QCoreApplication::applicationDirPath();
curPath.append("/CONFIG.ini");
QSettings *config = new QSettings(curPath,QSettings::IniFormat);
if(checked)
{
config->setValue("TimerOff/FLAG",1);
config->setValue("TimerOff/HH",ui->timeEdit_off->time().hour());
config->setValue("TimerOff/MM",ui->timeEdit_off->time().minute());
}
else
config->setValue("TimerOff/FLAG",0);
}