exam_timer_teacher/widgets/studentmodel.h

#ifndef STUDENTMODEL_H
#define STUDENTMODEL_H

#include <QAbstractTableModel>
#include <QObject>

class StudentTableModel : public QAbstractTableModel
{
    Q_OBJECT
public:
    explicit StudentTableModel(QObject *parent = nullptr);
    enum columnRole {
        NAME,
        SWID,
        EXAMINEENUMBER,
        EXAMTEST,
        GROUPNUMBER,
        GROUP_NAME,
        MAXTIME,
        ANSWERTIME,
        ANSWERFILENAME,
        SCHOOL,
        STATE,
        COLUMNSIZE
    };

    struct Student
    {
        qint64 id;
        QString name;           // 姓名
        QString swID;           // SW_ID
        QString examineeNumber; // 考试编号
        QString examTest;       // 考试内容
        QString checkinNumber;    // 签到号
        QString groupName;      // 组别
        int maxTime;            // 最大完成时间
        int answerTime;         // 完成时间
        QString answerFileName; // 完成时间
        QString school;         // 学校
        QString state;          // 在线状态
    };
    // 加载 JSON 数据
    void loadJsonData(const QJsonArray &jsonArray);
    Student getCurrentStudent(const QModelIndex &index) const
    {
        if (index.isValid() && index.row() < students.size()) {
            return students.at(index.row());
        }
        return Student(); // 如果索引无效或者超出范围，返回一个空的 Exams 结构
    }

protected:
    // 返回行数
    int rowCount(const QModelIndex &parent = QModelIndex()) const override;

    // 返回列数
    int columnCount(const QModelIndex &parent = QModelIndex()) const override;

    // 返回数据
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;

    // 设置表头
    QVariant headerData(int section,
                        Qt::Orientation orientation,
                        int role = Qt::DisplayRole) const override;

    Qt::ItemFlags flags(const QModelIndex &index) const override;

private:
    QList<Student> students;
};

#endif // STUDENTMODEL_H