qt/LedOK/main.cpp

#include "mainwindow.h"
#include <QApplication>
#include <QMessageBox>
#include <QSplashScreen>

#ifdef _MSC_VER //MSVC编译器
#include <Windows.h>
#include <DbgHelp.h>
    #if _MSC_VER >= 1600
    #pragma execution_character_set("utf-8")
    #endif
LONG WINAPI handleException(_EXCEPTION_POINTERS *excep) {
    QString errCode = QString::number(excep->ExceptionRecord->ExceptionCode, 16);
    QString errAddr = QString::number((uint)excep->ExceptionRecord->ExceptionAddress, 16);
    HANDLE hDumpFile = CreateFile(L"c:/ledok-crash.dmp", GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
    if(hDumpFile == INVALID_HANDLE_VALUE) {
        qDebug()<<"handleException hDumpFile INVALID"<<"ExceptionCode"<<errCode<<"ExceptionAddress"<<errAddr;
        return EXCEPTION_CONTINUE_SEARCH;
    }
    MINIDUMP_EXCEPTION_INFORMATION dumpInfo{GetCurrentThreadId(), excep, TRUE};
    MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hDumpFile, MiniDumpNormal, &dumpInfo, NULL, NULL);//写入Dump文件内容
    CloseHandle(hDumpFile);
    QMessageBox::critical(nullptr, "程序出错 (ver: " APP_VERSION")", "<b>程序出错!</b> (code: "+errCode+". addr: "+errAddr+")<br/>请将C盘下的 ledok-crash.dmp 文件发送到 gangphon@qq.com 邮箱, 研发人员会尽快处理.");
    return EXCEPTION_EXECUTE_HANDLER;
//  EXCEPTION_EXECUTE_HANDLER 已处理异常, 让 windows 正常结束
//  EXCEPTION_CONTINUE_SEARCH 未处理异常, 让 windows 弹出错误框并结束 (Qt会卡死一段时间)
//  EXCEPTION_CONTINUE_EXECUTION 已修复错误, 让 windows 从异常发生处继续执行
}
#endif

QString gFileHome;

int main(int argc, char *argv[]) {
    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
    QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
    QApplication::setOrganizationName("Shanghai Xixun Electronic Technology Co., Ltd.");
    QApplication::setOrganizationDomain("www.ledok.cn");
    QApplication::setApplicationName("LedOK Express");
    QApplication a(argc, argv);
    gFileHome = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
    QFont font;
    font.setFamilies(QStringList{"Arial","Microsoft YaHei UI"});
    font.setPixelSize(14);
    a.setFont(font);

    QSplashScreen splash(QPixmap(":/res/splash.png"));
    splash.show();
    splash.showMessage(QObject::tr("Setting up the LedOK Express..."), Qt::AlignRight | Qt::AlignTop, Qt::white);
#ifdef _MSC_VER
    SetUnhandledExceptionFilter(handleException);
#endif
    MainWindow w;
    w.show();
    splash.finish(&w);

    return a.exec();
}