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QFTP工具实现
你需要实现一个QFTP工具,可以连接到FTP服务器,下载文件和发送代码。下面是一个使用Qt6和Qt Creator实现QFTP工具的示例:
首先,创建一个Qt6项目,选择Qt Widgets Application模板,然后添加以下依赖项:
接下来,创建一个QFTP工具类,继承自QDialog:
class QFtpTool : public QDialog {
Q_OBJECT
public:
QFtpTool(QWidget *parent = nullptr);
~QFtpTool();
private slots:
void connectToFtp();
void downloadFile();
void uploadFile();
private:
QFtp *ftp;
QComboBox *hostComboBox;
QLineEdit *usernameEdit;
QLineEdit *passwordEdit;
QComboBox *portComboBox;
QListView *fileList;
QPushButton *connectButton;
QPushButton *downloadButton;
QPushButton *uploadButton;
};
实现QFTP工具类的构造函数和析构函数:
QFtpTool::QFtpTool(QWidget *parent) : QDialog(parent) {
ftp = new QFtp(this);
ftp->set PassiveMode(true);
hostComboBox = new QComboBox(this);
usernameEdit = new QLineEdit(this);
passwordEdit = new QLineEdit(this);
portComboBox = new QComboBox(this);
fileList = new QListView(this);
connectButton = new QPushButton(tr("Connect"), this);
downloadButton = new QPushButton(tr("Download"), this);
uploadButton = new QPushButton(tr("Upload"), this);
connect(connectButton, &QPushButton::clicked, this, &QFtpTool::connectToFtp);
connect(downloadButton, &QPushButton::clicked, this, &QFtpTool::downloadFile);
connect(uploadButton, &QPushButton::clicked, this, &QFtpTool::uploadFile);
QVBoxLayout *layout = new QVBoxLayout(this);
layout->addWidget(new QLabel(tr("Host:")));
layout->addWidget(hostComboBox);
layout->addWidget(new QLabel(tr("Username:")));
layout->addWidget(usernameEdit);
layout->addWidget(new QLabel(tr("Password:")));
layout->addWidget(passwordEdit);
layout->addWidget(new QLabel(tr("Port:")));
layout->addWidget(portComboBox);
layout->addWidget(fileList);
layout->addWidget(connectButton);
layout->addWidget(downloadButton);
layout->addWidget(uploadButton);
setLayout(layout);
}
QFtpTool::~QFtpTool() {
delete ftp;
delete hostComboBox;
delete usernameEdit;
delete passwordEdit;
delete portComboBox;
delete fileList;
delete connectButton;
delete downloadButton;
delete uploadButton;
}
实现QFTP工具类的槽函数:
void QFtpTool::connectToFtp() {
QString host = hostComboBox->currentText();
QString username = usernameEdit->text();
QString password = passwordEdit->text();
int port = portComboBox->currentIndex();
ftp->connectToHost(host, port);
ftp->login(username, password);
}
void QFtpTool::downloadFile() {
QString file = fileList->currentIndex().toString();
ftp->get(file, file);
}
void QFtpTool::uploadFile() {
QString file = fileList->currentIndex().toString();
ftp->put(file, file);
}
最后,使用Qt Creator编译和运行QFTP工具。
这个示例只是一个基本的QFTP工具,实际实现中可能需要添加更多的功能和错误处理。