#include "mainwindow.h"

 #include <QApplication>

 #include <QLabel>

 #include <list>

 #include <QList>

 #include <QDebug>

 using namespace std;

 //STL list

 int main1(int argc, char *argv[])

 {

     QApplication a(argc, argv);

     //MainWindow w;

     //w.show();

     list<QLabel*> mylist;

     char *str[]={"hello1","hello2","hello3","hello4","hello5"};

     for(int i=;i<;i++)

     {

         QLabel *p = new QLabel(str[i]);

         mylist.push_back(p);

     }

     int i=;

     for(auto X:mylist)

     {

         X->move(i++*,i++*);

         X->show();

     }

     return a.exec();

 }

 //QListIterator迭代器数据只能读不能写

 int main2(int argc, char *argv[])

 {

     QApplication a(argc, argv);

 //    QList<QLabel*> mylist;

 //    char *str[5]={"hello1","hello2","hello3","hello4","hello5"};

 //    for(int i=0;i<5;i++)

 //    {

 //        QLabel *p = new QLabel(str[i]);

 //        mylist.push_back(p);

 //    }

 //    int i=0;

 //    for(auto X:mylist)

 //    {

 //        X->move(i++*100,i++*100);

 //        X->show();

 //    }

     QList<int> mylist;

     mylist.push_back();

     mylist<<<<<<<<;

     QListIterator<int> myi(mylist);

     while(myi.hasNext())

     {

         qDebug()<<myi.next();

     }

     return a.exec();

 }

 // QMutableListIterator数据能读能写

 int main(int argc, char *argv[])

 {

     QApplication a(argc, argv);

     QList<int> mylist;

     mylist.push_back();

     mylist<<<<<<<<;

     QMutableListIterator<int> myi(mylist);

     myi.toFront();

     while(myi.hasNext())

     {

         int tmp = myi.next()*;

         myi.setValue(tmp);

         qDebug()<<tmp;

     }

     return a.exec();

 }