QT_强杀进程

#ifdef WIN32
    bool res = false;
    HANDLE    hToolHelp32Snapshot;
    hToolHelp32Snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    PROCESSENTRY32    pe = { sizeof(PROCESSENTRY32) };
    BOOL  isSuccess = Process32First(hToolHelp32Snapshot, &pe);
    while (isSuccess)
    {
        size_t len = WideCharToMultiByte(CP_ACP, 0, pe.szExeFile, wcslen(pe.szExeFile), NULL, 0, NULL, NULL);
        char *des = (char *)malloc(sizeof(char) * (len + 1));
        WideCharToMultiByte(CP_ACP, 0, pe.szExeFile, wcslen(pe.szExeFile), des, len, NULL, NULL);
        des[len] = '';
        if (!strcmp(des, appName.toStdString().c_str()))
        {
            appPath = getProcessPathForWin(pe.th32ProcessID);
            TerminateProcess(OpenProcess(PROCESS_TERMINATE, FALSE, pe.th32ProcessID), 0);
            res = true;
        }
        free(des);
        isSuccess = Process32Next(hToolHelp32Snapshot, &pe);
    }
    CloseHandle(hToolHelp32Snapshot);
    return res;
#else
    QString killProcess = "killall appName";
    int ret = system(QStringConvertChar(killProcess));
    qDebug() << QString::fromStdString(getTime(1)) << "killProcess result:" << ret << "----" << killProcess; return ret == 0 ? true : false; 

#endif