qt调用cmd.exe弹出窗口5.15.2

包含

#include <Windows.h>

#include "mainwindow5_7a.h"
#include "ui_mainwindow5_7a.h"
#include <QDragEnterEvent>
#include <QUrl>
#include <QFile>
#include <QTextStream>
#include <QMimeData>
#include <QDebug>
#include <QMessageBox>
#include <QProcess>

#include <Windows.h>
//QT拖放读取图片文件打开图像



MainWindow5_7a::MainWindow5_7a(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow5_7a)
{
    ui->setupUi(this);


    //QProcess m_process;

    QString program = "C:\\WINDOWS\\system32\\cmd.exe";
    QStringList list;
    list << "/c dir";
    list <<"";
    // list << QString("rundll32.exe") + QString(" C:\\Windows\\System32\\shimgvw.dll,ImageView_Fullscreen ") + path;
    //if (m_process.state() != QProcess::NotRunning)
    {
        // m_process.close();
    }
    //m_process.start("D:/QT_Project_vs/SugarTvision/x64/Debug/SugarTvision.exe", list);

   // m_process.startDetached(program, list);

    QStringList arguments;
    arguments << "/K";
    arguments << "title";
    arguments << "child process";

    QProcess *myProcess = new QProcess(this);
    //QString program = "D:/Work/Code/VsProj/BasicSytax/Qt/QtProcess/x64/Debug/ConsoleTest.exe";
    //QString program = "C:/Windows/System32/notepad.exe";
     program = "C:/Windows/System32/cmd.exe";
    myProcess->setCreateProcessArgumentsModifier([](QProcess::CreateProcessArguments *args)
                                                 {
                                                     //args->startupInfo->wShowWindow = SW_SHOWMAXIMIZED;//此成员变量设置此有效，QT5.12
                                                     args->flags |= CREATE_NEW_CONSOLE;
                                                     args->startupInfo->dwFlags &= ~STARTF_USESTDHANDLES;
                                                     args->startupInfo->dwFlags |= STARTF_USEFILLATTRIBUTE;
                                                     args->startupInfo->dwFillAttribute = BACKGROUND_BLUE | FOREGROUND_RED
                                                                                          | FOREGROUND_INTENSITY;
                                                     //args->startupInfo->dwFlags = STARTF_USESHOWWINDOW | STARTF_USESTDHANDLES;
                                                 }
                                                 );
    myProcess->start(program, arguments);

    setAcceptDrops(true);

}

MainWindow5_7a::~MainWindow5_7a()
{
    delete ui;
}

void MainWindow5_7a::dragEnterEvent(QDragEnterEvent *event)
{
    if(event->mimeData()->hasUrls())//数据中是否包含URL
    {
        event->acceptProposedAction();//接受动作
    }
    else
    {
        event->ignore();//忽略该事件
        qDebug()<<"无效文件哦";
    }
}

void MainWindow5_7a::dropEvent(QDropEvent *event)
{
    const QMimeData * q_mimedata=event->mimeData();//获取MIME的数据
    if(q_mimedata->hasUrls())
    {
        QList<QUrl> url_list= q_mimedata->urls(); //获取URL列表
        foreach(QUrl aa,url_list)
        {
            qDebug()<<aa.toLocalFile()<<",";
        }
        //将其中的一个URL表示为本地文件的路径
        QString file_name=url_list.at(0).toLocalFile();
//        if(!file_name.isEmpty())
//        {
//            QFile file2(file_name);
//            if(!file2.open(QIODevice::ReadOnly))
//            {
//                return;
//            }
//            QTextStream in(&file2); //建立文本流对象
//           //ui->textEdit->clear();
//            ui->textEdit->setText(in.readAll());//读取流对象的内容
//        }
//        else
//        {
//            qDebug()<<"文件空的哦";
//        }
        QPixmap pixmap(file_name);
        ui->label_pic->setPixmap(pixmap);
        ui->label_pic->resize(pixmap.height(),pixmap.width());
    }
    else
    {
        qDebug()<<"URL不存在哦";
    }
}


void MainWindow5_7a::on_pushButton_clicked()
{
    QMessageBox::information(this,tr("tips"),tr("图像处理事件"));
}

 

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