Windows端 Qt5.15.2调试程序CrashHandler示例

#include "crashhandler.h" #include <QMessageBox> #include <QDateTime> #include <qglobal.h> #ifdef _MSC_VER #include <Windows.h> // Windows.h必须放在DbgHelp.h前，否则编译会报错 #include <DbgHelp.h> #endif //MSVC编译器 #ifdef _MSC_VER //#if defined(_MSC_VER) && (_MSC_VER >= 1600) //#pragma execution_character_set("utf-8") //#endif /** * @brief 应用程序崩溃处理程序 * @param pException * @return EXCEPTION_EXECUTE_HANDLER equ 1 表示我已经处理了异常,可以优雅地结束了 * EXCEPTION_CONTINUE_SEARCH equ 0 表示我不处理,其他人来吧,于是windows调用默认的处理程序显示一个错误框,并结束(qt中会导致窗口卡死一段时间) * EXCEPTION_CONTINUE_EXECUTION equ -1 表示错误已经被修复,请从异常发生处继续执行 */ LONG ApplicationCrashHandler(EXCEPTION_POINTERS *pException){//程式异常捕获 //创建 Dump 文件 QString strPath = QString("%1.dmp").arg(QDateTime::currentDateTime().toString("yyyy-MM-dd HH-mm-ss")); #ifdef UNICODE LPCWSTR filePath = reinterpret_cast<LPCWSTR>(strPath.utf16()); #else LPCSTR filePath = reinterpret_cast<LPCSTR>(strPath.toStdString().data()); #endif // !UNICODE HANDLE hDumpFile = CreateFile(filePath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); if( hDumpFile != INVALID_HANDLE_VALUE){ //Dump信息 MINIDUMP_EXCEPTION_INFORMATION dumpInfo; dumpInfo.ExceptionPointers = pException; dumpInfo.ThreadId = GetCurrentThreadId(); dumpInfo.ClientPointers = TRUE; //写入Dump文件内容 MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hDumpFile, MiniDumpNormal, &dumpInfo, NULL, NULL); } //这里弹出一个错误对话框并退出程序 EXCEPTION_RECORD* record = pException->ExceptionRecord; QString errCode(QString::number((quint64)record->ExceptionCode, 16)); // QString errAdr(QString::number((uint)record->ExceptionAddress, 16)); QString errAdr(QString::number(static_cast<unsigned int>(reinterpret_cast<uintptr_t>(record->ExceptionAddress)), 16)); QMessageBox::critical(nullptr, "Program crash","<FONT size=4><div><b>Express sincere apologies for the errors that have occurred</b><br/></div>"+ QString("<div>error:%1</div><div>error address：%2</div></FONT>").arg(errCode).arg(errAdr), QMessageBox::Ok); return EXCEPTION_EXECUTE_HANDLER; } #endif void CrashHandler::initCrashHandler() { #ifdef _MSC_VER SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)ApplicationCrashHandler); // 使用win API注册异常处理函数 #endif }