34.QT模型(表格绘制)-白红宇

34.QT模型(表格绘制)

阅读量：4326 次

发布时间：2019-06-06

本文共 2928 字，大约阅读时间需要 9 分钟。

modellex.h

1 #ifndef MODELEX_H 2 #define MODELEX_H 3 #include 
       
         4 #include 
        
          5 #include 
         
           6 #include 
          
            7 #include 
           
             8  9 10 class modelex : public QAbstractTableModel11 {12 13 public:14     explicit modelex(QObject *parent = 0);15 16     virtual int rowCount(const QModelIndex &parent=QModelIndex()) const;17     virtual int columnCount(const QModelIndex &parent=QModelIndex()) const;18     QVariant data(const QModelIndex &index, int role) const;19     QVariant headerData(int section, Qt::Orientation orientation, int role) const;20 21 private:22     QVector
            
              army;23 QVector
             
               weapon;24 QMap
              
                armymap;25 QMap
               
                 weaponmap;26 27 QStringList weaponlist;28 QStringList armylist;29 QStringList header;30 31 void showModel();32 };33 34 #endif // MODELEX_H

modelex.cpp

1 #include "modelex.h" 2  3 modelex::modelex(QObject *parent):QAbstractTableModel(parent) 4 { 5     armymap[1] ="空军"; 6     armymap[2] ="海军"; 7     armymap[3] ="陆军"; 8  9     weaponmap[1] = "AK47";10     weaponmap[2] = "M16";11     weaponmap[3] = "M18";12     showModel();13 }14 15 int modelex::rowCount(const QModelIndex &parent) const16 {17      return army.size();//行数18 }19 20 int modelex::columnCount(const QModelIndex &parent) const21 {22    return 2;//列数23 }24 25 //返回每一行每一列的数据26 QVariant modelex::data(const QModelIndex &index, int role) const27 {28     if(!index.isValid())29     {30         return QVariant();31     }32     if(role == Qt::DisplayRole)33     {34         switch(index.column())35         {36             case 0:37                 return armymap[army[index.row()]];38                 break;39             case 1:40                 return armymap[weapon[index.row()]];41                 break;42             default:43                 return QVariant();44         }45 46     }47     return QVariant();48 }49 50 QVariant modelex::headerData(int section, Qt::Orientation orientation, int role) const51 {52     if(role == Qt::DisplayRole && Qt::Horizontal == orientation)53     {54         //返回表的开头55         return header[section];56     }57     else58     {59         return QAbstractTableModel::headerData(section,orientation,role);60     }61 }62 63 void modelex::showModel()64 {65     header<<"兵种" <<"兵器";66     //数字与字符串对应67     army<<1<<2<<3<<2<<1;68     weapon<<1<<2<<3<<2<<1;69 }

main.cpp

1 #include "widget.h" 2 #include 
       
         3 #include 
        
          4 #include "modelex.h" 5  6 int main(int argc, char *argv[]) 7 { 8     QApplication a(argc, argv); 9     //Widget w;10     //w.show();11     modelex m;12     QTableView view;13     view.setModel(&m);14     view.show();15     view.resize(800,600);16 17     return a.exec();18 }

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