qt对话框可以输入姓名性别学号生日

等基本信息。下面是一个基于Qt的对话框示例，可以输入姓名、性别、学号和生日：

#include <QDialog>
#include <QLabel>
#include <QLineEdit>
#include <QComboBox>
#include <QDateEdit>
#include <QDialogButtonBox>
#include <QHBoxLayout>
#include <QVBoxLayout>

class InfoDialog : public QDialog
{
    Q_OBJECT

public:
    InfoDialog(QWidget *parent = nullptr);

    QString getName() const;
    QString getGender() const;
    QString getStudentID() const;
    QDate getBirthday() const;

private slots:
    void accept();

private:
    QLabel *nameLabel;
    QLineEdit *nameEdit;
    QLabel *genderLabel;
    QComboBox *genderComboBox;
    QLabel *studentIDLabel;
    QLineEdit *studentIDEdit;
    QLabel *birthdayLabel;
    QDateEdit *birthdayEdit;
    QDialogButtonBox *buttonBox;
};

InfoDialog::InfoDialog(QWidget *parent)
    : QDialog(parent)
{
    nameLabel = new QLabel(tr("Name:"));
    nameEdit = new QLineEdit;

    genderLabel = new QLabel(tr("Gender:"));
    genderComboBox = new QComboBox;
    genderComboBox->addItem(tr("Male"));
    genderComboBox->addItem(tr("Female"));

    studentIDLabel = new QLabel(tr("Student ID:"));
    studentIDEdit = new QLineEdit;

    birthdayLabel = new QLabel(tr("Birthday:"));
    birthdayEdit = new QDateEdit;
    birthdayEdit->setDisplayFormat("yyyy-MM-dd");
    birthdayEdit->setCalendarPopup(true);
    birthdayEdit->setMaximumDate(QDate::currentDate());

    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);

    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    QHBoxLayout *nameLayout = new QHBoxLayout;
    nameLayout->addWidget(nameLabel);
    nameLayout->addWidget(nameEdit);

    QHBoxLayout *genderLayout = new QHBoxLayout;
    genderLayout->addWidget(genderLabel);
    genderLayout->addWidget(genderComboBox);

    QHBoxLayout *studentIDLayout = new QHBoxLayout;
    studentIDLayout->addWidget(studentIDLabel);
    studentIDLayout->addWidget(studentIDEdit);

    QHBoxLayout *birthdayLayout = new QHBoxLayout;
    birthdayLayout->addWidget(birthdayLabel);
    birthdayLayout->addWidget(birthdayEdit);

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addLayout(nameLayout);
    mainLayout->addLayout(genderLayout);
    mainLayout->addLayout(studentIDLayout);
    mainLayout->addLayout(birthdayLayout);
    mainLayout->addWidget(buttonBox);

    setLayout(mainLayout);
    setWindowTitle(tr("Information"));
}

QString InfoDialog::getName() const
{
    return nameEdit->text();
}

QString InfoDialog::getGender() const
{
    return genderComboBox->currentText();
}

QString InfoDialog::getStudentID() const
{
    return studentIDEdit->text();
}

QDate InfoDialog::getBirthday() const
{
    return birthdayEdit->date();
}

void InfoDialog::accept()
{
    if (nameEdit->text().isEmpty() || studentIDEdit->text().isEmpty()) {
        QMessageBox::warning(this, tr("Warning"), tr("Name and Student ID are required."));
    } else {
        QDialog::accept();
    }
}

在主窗口中使用该对话框的示例代码：

#include <QApplication>
#include <QPushButton>
#include <QMessageBox>
#include "infodialog.h"

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    QPushButton button("Show Info Dialog");
    QObject::connect(&button, &QPushButton::clicked, [&](){
        InfoDialog dialog;
        if (dialog.exec() == QDialog::Accepted) {
            QString name = dialog.getName();
            QString gender = dialog.getGender();
            QString studentID = dialog.getStudentID();
            QDate birthday = dialog.getBirthday();
            QMessageBox::information(nullptr, "Information",
                QString("Name: %1\nGender: %2\nStudent ID: %3\nBirthday: %4")
                .arg(name).arg(gender).arg(studentID).arg(birthday.toString("yyyy-MM-dd")));
        }
    });
    button.show();

    return a.exec();
}

运行后点击“Show Info Dialog”按钮，就可以弹出一个对话框来输入基本信息。如果输入的姓名和学号为空，点击“OK”按钮时会弹出一个警告框提示用户。如果输入的信息都是正确的，点击“OK”按钮后会返回`QDialog::Accepted`，然后可以通过对话框的公共槽函数获取输入的信息。