Qt：QNetworkAccessManager使用ftp协议上传文件

目录

第一种写法

第二种

---

第一种写法

.h

#pragma once

#include <QMainWindow>
#include <QNetworkAccessManager>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();
private:
    void Init();

    void Upload();
private slots:
    void on_pushButton_clicked();

    void on_pushButton_2_clicked();

    void on_pushButton_3_clicked();

private:
    Ui::MainWindow *ui;

    QStringList files;

    QNetworkAccessManager * manager = nullptr;
};

.cpp

#include "MainWindow.h"
#include "ui_MainWindow.h"

#include <QNetworkReply>
#include <QNetworkRequest>
#include <QFileDialog>
#include <QDebug>

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

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

void MainWindow::Init()
{
    manager = new QNetworkAccessManager(this);

    ui->progressBar->setMaximum(100);
}

void MainWindow::Upload()
{
    foreach (QString filepath, files)
    {
        QUrl remoteUrl("ftp://127.0.0.1:2122/" + QFileInfo(filepath).fileName());
        QNetworkRequest request(remoteUrl);
        request.setMaximumRedirectsAllowed(120000); // timeout in milliseconds
        request.setHeader(QNetworkRequest::ContentLengthHeader, QFile(filepath).size());
        request.setHeader(QNetworkRequest::ContentTypeHeader, "application/octet-stream");

        QFile file(filepath);
        file.open(QIODevice::ReadOnly);
        QByteArray data = file.readAll();       
        file.close();

        QNetworkReply* reply = manager->put(request, data);

        connect(reply, &QNetworkReply::uploadProgress, [=](qint64 bytesSent, qint64 bytesTotal) {
            qDebug() << "已上传：" << bytesSent << "字节，总共上传字节："  << bytesTotal;
           
        });
        connect(reply, &QNetworkReply::finished, [=]() {
            if(reply->error() != QNetworkReply::NoError) {
                //error handling
            }
            reply->deleteLater();
        });
    }
}

void MainWindow::on_pushButton_clicked()
{
    files = QFileDialog::getOpenFileNames(this, "选择上传文件", QDir::homePath(), "Files (*.*)");

    foreach(QString file, files)
    {
        ui->textEdit->append(file);
    }
}

void MainWindow::on_pushButton_2_clicked()
{
    Upload();
}

void MainWindow::on_pushButton_3_clicked()
{
    ui->textEdit->clear();
}

界面：

存在问题：中文命名的文件名称会乱码

第二种

FtpManager.h

#pragma once

#include <QObject>

#include <QUrl>
#include <QFileInfo>
#include <QNetworkReply>
#include <QNe