modbus_rtu_test/main.cpp

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#include "mainwindow.h"
#include <windows.h>
#include <QApplication>
#include <QDir>
#include <QFileInfoList>
#include <QDebug>
#include <QSettings>
void SetProcessAutoRunSelf(const QString &appPath)
{
//注册表路径需要使用双反斜杠如果是32位系统要使用QSettings::Registry32Format
QSettings settings("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run",
QSettings::Registry64Format);
//以程序名称作为注册表中的键
//根据键获取对应的值(程序路径)
QFileInfo fInfo(appPath);
QString name = fInfo.baseName();
QString path = settings.value(name).toString();
//如果注册表中的路径和当前程序路径不一样,
//则表示没有设置自启动或自启动程序已经更换了路径
//toNativeSeparators的意思是将"/"替换为"\"
QString newPath = QDir::toNativeSeparators(appPath);
if (path != newPath)
{
settings.setValue(name, newPath);
}
}
int main(int argc, char *argv[])
{
SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED);
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}