bool MySqlTableModel ::setData(const QModelIndex &index , const QVariant &value , int role){
bool result = true;;
if(role == Qt ::CheckStateRole && index.column() == 0){
if (value != Qt ::Unchecked){
// emit dataChanged(index , index);
result = QSqlTableModel ::setData(QSqlTableModel ::index(index.row() , 9) , true , Qt ::DisplayRole);
}else{
// emit dataChanged(index , index);
result = QSqlTableModel ::setData(QSqlTableModel ::index(index.row() , 9) , false , Qt ::DisplayRole);
}
return result;
}
return QSqlTableModel ::setData(index , value , role);
}
重载QSqlTableModel的setData()函数往数据库中写数据返回false，数据写不到数据库里，什么原因啊？？
