Qt开发: 捕获系统异常，产生dmp文件

项目 *.pro里添加

LIBS += -lDbgHelp

main.cpp:

#include "mainWidget.h"

#include "MainForm.h"

#include <QApplication>

#include <QTextCodec>

#include <QDir>

#include <windows.h>

#include <dbghelp.h>

//异常捕获函数

long ApplicationCrashHandler(EXCEPTION_POINTERS *pException){

{

        // 在程序exe的上级目录中创建dmp文件夹

        QDir *dmp = new QDir;

        bool exist = dmp->exists("../dmp/");

        if(exist == false)

            dmp->mkdir("../dmp/");

        }

        QDateTime current_date_time = QDateTime::currentDateTime();

        QString current_date = current_date_time.toString("yyyy_MM_dd_hh_mm_ss");

        QString time =  current_date + ".dmp";

          EXCEPTION_RECORD *record = pException->ExceptionRecord;

          QString errCode(QString::number(record->ExceptionCode, 16));

          QString errAddr(QString::number((uint)record->ExceptionAddress, 16));

          QString errFlag(QString::number(record->ExceptionFlags, 16));

          QString errPara(QString::number(record->NumberParameters, 16));

          qDebug()<<"errCode: "<<errCode;

          qDebug()<<"errAddr: "<<errAddr;

          qDebug()<<"errFlag: "<<errFlag;

          qDebug()<<"errPara: "<<errPara;

          HANDLE hDumpFile = CreateFile((LPCWSTR)QString("../dmp/" + time).utf16(),

                   GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

          if(hDumpFile != INVALID_HANDLE_VALUE) {

              MINIDUMP_EXCEPTION_INFORMATION dumpInfo;

              dumpInfo.ExceptionPointers = pException;

              dumpInfo.ThreadId = GetCurrentThreadId();

              dumpInfo.ClientPointers = TRUE;

              MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(),hDumpFile, MiniDumpNormal, &dumpInfo, NULL, NULL);

              CloseHandle(hDumpFile);

          }

          else{

              qDebug()<<"hDumpFile == null";

          }

          return EXCEPTION_EXECUTE_HANDLER;

}

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

{

    QApplication a(argc, argv);

    QTextCodec::setCodecForLocale(QTextCodec::codecForLocale());

    //注冊异常捕获函数

    SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)ApplicationCrashHandler);

    MainForm mf;

    mf.show();

    return a.exec();

}