7.treeview

  • ui

  •  

  • mainwindow.h 
     1 #ifndef MAINWINDOW_H
 2 #define MAINWINDOW_H
 3 
 4 #include <QMainWindow>
 5 #include <QStringData>
 6 #include <QStringList>
 7 #include <QStringListModel>
 8 
 9 namespace Ui {
10 class MainWindow;
11 }
12 
13 class MainWindow : public QMainWindow
14 {
15     Q_OBJECT
16 
17 public:
18     explicit MainWindow(QWidget *parent = 0);
19     ~MainWindow();
20 
21     void inittree();
22 
23 private slots:
24     void on_pushButton_clicked();
25 
26 private:
27     Ui::MainWindow *ui;
28     QStringListModel *slm;
29     QStringList *sl;
30 };
31 
32 #endif // MAINWINDOW_H

     

  • mainwindow.cpp 
     1 #include "mainwindow.h"
 2 #include "ui_mainwindow.h"
 3 
 4 MainWindow::MainWindow(QWidget *parent) :
 5     QMainWindow(parent),
 6     ui(new Ui::MainWindow)
 7 {
 8     ui->setupUi(this);
 9     inittree();
10 }
11 
12 MainWindow::~MainWindow()
13 {
14     delete ui;
15 }
16 
17 //创建一个树
18 void MainWindow::inittree()
19 {
20     ui->treeWidget->clear();
21     //初始化
22     QTreeWidgetItem *group1 = new QTreeWidgetItem(ui->treeWidget);
23     group1->setText(0,"父1");
24 
25     QTreeWidgetItem *sub1 = new QTreeWidgetItem(group1);
26     QTreeWidgetItem *sub2 = new QTreeWidgetItem(group1);
27     QTreeWidgetItem *sub3 = new QTreeWidgetItem(group1);
28     sub1->setText(0,"子1");
29     sub2->setText(0,"子2");
30     sub3->setText(0,"子3");
31 
32     QTreeWidgetItem *ssub1 = new QTreeWidgetItem(sub1);
33     QTreeWidgetItem *ssub2 = new QTreeWidgetItem(sub1);
34     QTreeWidgetItem *ssub3 = new QTreeWidgetItem(sub1);
35     ssub1->setText(0,"孙1");
36     ssub2->setText(0,"孙2");
37     ssub3->setText(0,"孙3");
38 
39     QTreeWidgetItem *sssub1 = new QTreeWidgetItem(sub2);
40     QTreeWidgetItem *sssub2 = new QTreeWidgetItem(sub2);
41     QTreeWidgetItem *sssub3 = new QTreeWidgetItem(sub2);
42     sssub1->setText(0,"孙1");
43     sssub2->setText(0,"孙2");
44     sssub3->setText(0,"孙3");
45 
46     QTreeWidgetItem *ssssub1 = new QTreeWidgetItem(sub3);
47     QTreeWidgetItem *ssssub2 = new QTreeWidgetItem(sub3);
48     QTreeWidgetItem *ssssub3 = new QTreeWidgetItem(sub3);
49     ssssub1->setText(0,"孙1");
50     ssssub2->setText(0,"孙2");
51     ssssub3->setText(0,"孙3");
52 }
53 
54 void MainWindow::on_pushButton_clicked()
55 {
56     //模型
57     slm = new QStringListModel(this);
58     //列表
59     sl = new QStringList();
60     //迭代器遍历树
61     QTreeWidgetItemIterator it(ui->treeWidget);
62     while(*it)
63     {
64         sl->append((*it)->text(0));
65         ++it;
66     }
67 
68     //模型链接列表
69     slm->setStringList(*sl);
70     ui->listView->setModel(slm);
71 }

     

posted @ 2018-04-08 13:29  喵小喵~  阅读(164)  评论(0)  编辑  收藏  举报