1 replacemodel.h
2 #ifndef REPLACEMODEL_H
3 #define REPLACEMODEL_H
4
5 #include <QStandardItemModel>
6
7 class ReplaceModel : public QStandardItemModel
8 {
9 Q_OBJECT
10 public:
11 enum SubjectItem
12 {
13 MATH = 0,
14 ENGLISH,
15 CHINESE,
16 };
17
18 explicit ReplaceModel(QObject *parent = 0);
19
20 signals:
21
22 public slots:
23
24 // QAbstractItemModel interface
25 public:
26 QVariant data(const QModelIndex &index, int role) const;
27 };
28
29 #endif // REPLACEMODEL_H
30
31 replacemodel.cpp
32 #include "replacemodel.h"
33
34 ReplaceModel::ReplaceModel(QObject *parent) : QStandardItemModel(parent)
35 {
36
37 }
38
39 QVariant ReplaceModel::data(const QModelIndex &index, int role) const
40 {
41 QVariant value = QStandardItemModel::data(index, role);
42 if(role == Qt::DisplayRole)
43 {
44 int subject = index.data(Qt::EditRole).toInt();
45 QString replaceVal;
46 switch(subject)
47 {
48 case MATH:
49 replaceVal = "数学";
50 break;
51 case ENGLISH:
52 replaceVal = "英语";
53 break;
54 case CHINESE:
55 replaceVal = "语文";
56 break;
57 default:
58 replaceVal = "体育";
59 break;
60 }
61 value = QVariant(replaceVal);
62 }
63 return value;
64 }
65
66 main.cpp
67 #include <QApplication>
68 #include <QTableView>
69 #include "replacemodel.h"
70
71 int main(int argc, char *argv[])
72 {
73 QApplication app(argc, argv);
74
75 QTableView tableView;
76 ReplaceModel *model = new ReplaceModel;
77 model->setHorizontalHeaderLabels(QStringList() << "学科");
78
79 //语文
80 QStandardItem *chinese = new QStandardItem(QString::number(ReplaceModel::CHINESE));
81 model->appendRow(chinese);
82
83 //数学
84 QStandardItem *math = new QStandardItem(QString::number(ReplaceModel::MATH));
85 model->appendRow(math);
86
87 tableView.setModel(model);
88 tableView.show();
89
90 return app.exec();
91 }
