表格视图D

Posted 2021-09-06 Respect@

表格视图

• 表格视图

表格视图

weap.h

#ifndef WEAPONMODEL_H
#define WEAPONMODEL_H
#include <QAbstractTableModel>

class WeaponModel : public QAbstractTableModel
{
public:
    WeaponModel(QObject* parent  = 0);

    virtual int rowCount(const QModelIndex &parent = QModelIndex()) const;
    virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
    QVariant data(const QModelIndex &index,int role) const;
    QVariant headerData(int section,Qt::Orientation orientation,int role) const;

private:
    QVector<short> army;                //军队
    QVector<short> weaponType;          //武器类型
    QMap<short,QString> armyMap;        //军队映射
    QMap<short,QString> weaponMap;      //武器映射

    QStringList weapon;     //武器
    QStringList header;     //表头
    void populateModel();   //表格数据的初始化
};

#endif // WEAPONMODEL_H

weap.cpp

#include "weaponmodel.h"

WeaponModel::WeaponModel(QObject* parent)
    :QAbstractTableModel(parent)
{
    armyMap[1] = QString("空军");
    armyMap[2] = QString("海军");
    armyMap[3] = QString("陆军");
    armyMap[4] = QString("海军陆战队");

    weaponMap[1] = QString("轰炸机");
    weaponMap[2] = QString("战斗机");
    weaponMap[3] = QString("航空母舰");
    weaponMap[4] = QString("驱逐舰");
    weaponMap[5] = QString("直升机");
    weaponMap[6] = QString("坦克");
    weaponMap[7] = QString("两栖攻击舰");
    weaponMap[8] = QString("两栖战车");

    populateModel();
}

int WeaponModel::rowCount(const QModelIndex &parent) const
{
    return army.size();
}

int WeaponModel::columnCount(const QModelIndex &parent) const
{
    return 3;
}

//放回指定索引的数据，将数值映射成文字
QVariant WeaponModel::data(const QModelIndex &index, int role) const
{
    if(!index.isValid())
        return QVariant();

    if(role == Qt::DisplayRole)
    {
        switch(index.column()){
        case 0:
            return armyMap[army[index.row()]];
            break;
        case 1:
            return weaponMap[weaponType[index.row()]];
            break;
        case 2:
            return weapon[index.row()];
        default:
            return QVariant();
        }
    }

    return QVariant();
}

QVariant WeaponModel::headerData(int section, Qt::Orientation orientation, int role) const
{
    if(role == Qt::DisplayRole && orientation == Qt::Horizontal)
        return header[section];

    return QAbstractTableModel::headerData(section,
                                           orientation,
                                           role);
}

void WeaponModel::populateModel()
{
    header << QString("军种")
           << QString("种类")
           << QString("武器");
    army << 1 << 2 << 3 << 4 << 2 << 4 << 3 << 1;
    weaponType << 1 << 3 << 5 << 7 << 4 << 8 << 6 << 2;
    weapon << QString("B-2") << QString("尼尔兹极")
           << QString("阿帕奇") << QString("黄蜂级")
           << QString("比例伯克级") << QString("AAAV")
           << QString("M1A1") << QString("F-22");
}

main.cpp

#include <QApplication>
#include "weaponmodel.h"
#include <QTableView>


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

    WeaponModel model;
    QTableView view;
    view.setModel(&model);
    view.setWindowTitle(QString("表格视图"));
    view.resize(600,400);
    view.show();

    return app.exec();
}