![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250816131940-68a0856c9a2cb.png\")
<\/p>\n\u5f00\u53d1\u5de5\u5177：QT Creator<\/p>\n
QListView \u662f Qt \u4e2d\u7528\u4e8e\u663e\u793a\u5217\u8868\u6570\u636e\u7684\u89c6\u56fe\u63a7\u4ef6\u3002\u5b83\u7ee7\u627f\u81ea QAbstractItemView，\u901a\u5e38\u4e0e\u6a21\u578b（\u5982 QStringListModel\u3001QStandardItemModel \u6216\u81ea\u5b9a\u4e49\u6a21\u578b）\u914d\u5408\u4f7f\u7528，\u7528\u4e8e\u5448\u73b0\u6570\u636e\u9879\u7684\u5217\u8868\u3002<\/p>\n
1\u3001QListView\u548cQStringListModel\u914d\u5408\u4f7f\u7528<\/p>\n
\/\/ \u521b\u5efa\u6570\u636elist
\nQStringList list = {"item1", "item2", "item3"};<\/p>\n
\/\/ \u521b\u5efamodel, \u5e76\u7ed1\u5b9alist\u6570\u636e
\nQStringListModel *model = new QStringListModel(list);<\/p>\n
\/\/ \u7ed9listView\u8bbe\u7f6emodel
\nui->listView->setModel(model);<\/p>\n
<\/p>\n
\u521b\u5efa\u7684model\u4e5f\u8981\u6ce8\u610f\u58f0\u660e\u5468\u671f，\u89c1QT\u7684\u89c6\u56fe\u7c7b（QTableView\u548cQListView）（\u4e00）-CSDN\u535a\u5ba2<\/p>\n
QListView\u7684QStringListModel\u589e\u5220\u6570\u636e\u5176\u5b9e\u5c31\u662f\u5bf9QStringList\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
\/\/ \u6dfb\u52a0\u6570\u636e<\/p>\n
\/\/ \u901a\u8fc7model\u83b7\u53d6\u539f\u6709\u7684\u6570\u636elist
\nQStringList updatelist = model->stringList();<\/p>\n
\/\/ \u5f80\u539f\u6709\u7684\u6570\u636elist\u4e2d\u6dfb\u52a0\u6570\u636e
\nupdatelist << "item4" << "item5";<\/p>\n
\/\/ \u7ed9model\u8bbe\u7f6e\u66f4\u65b0\u540e\u7684list
\nmodel->setStringList(updatelist);<\/p>\n
\/\/ \u66f4\u65b0listView
\nui->listView->update();<\/p>\n
\/\/ \u901a\u8fc7model\u83b7\u53d6\u539f\u6709\u7684\u6570\u636elist
\nQStringList updatelist2 = model->stringList();<\/p>\n
\/\/ \u5220\u9664\u6570\u636e
\nupdatelist2.takeFirst();<\/p>\n
\/\/ \u7ed9model\u8bbe\u7f6e\u66f4\u65b0\u540e\u7684list
\nmodel->setStringList(updatelist2);<\/p>\n
\/\/ \u66f4\u65b0listView
\nui->listView->update(); <\/p>\n
\u5982\u679c\u9700\u8981\u83b7\u53d6\u70b9\u51fb\u7684\u662f\u54ea\u4e00\u4e2a\u6570\u636e，\u53ef\u4ee5\u4f7f\u7528\u70b9\u51fb\u4e8b\u4ef6<\/p>\n
void onSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected<\/p>\n
void onSelectionChanged(const QItemSelection &selected, const QItemSelection &deselected) {
\n QModelIndexList indexes = selected.indexes();
\n if (!indexes.isEmpty()) {
\n QModelIndex index = indexes.first();
\n qDebug() << "Selected item:" << index.data().toString();
\n }
\n } <\/p>\n
2\u3001QListView\u548cQStandardItemModel\u914d\u5408\u4f7f\u7528<\/p>\n
\u4f7f\u7528\u6b65\u9aa4\u548cQStringListModel\u4e00\u6837，\u7b80\u5355\u7684\u4f7f\u7528\u65b9\u5f0f\u4e0d\u505a\u591a\u4f59\u7684\u4ecb\u7ecd\u4e86\u3002<\/p>\n
QStandardItemModel *model = new QStandardItemModel();
\nmodel->setColumnCount(3);
\nmodel->setHorizontalHeaderLabels({"Name", "Age", "City"});<\/p>\n
QStandardItem *item1 = new QStandardItem("Alice");
\nQStandardItem *item2 = new QStandardItem("25");
\nQStandardItem *item3 = new QStandardItem("New York");
\nmodel->appendRow({item1, item2, item3});<\/p>\n
\/\/ \u521b\u5efa QTableView \u6765\u663e\u793a\u6a21\u578b
\nQTableView *view = new QTableView();
\nview->setModel(model); <\/p>\n
\u5f88\u591a\u65f6\u5019\u5217\u8868\u6570\u636e\u9700\u8981\u7684\u4e0d\u4ec5\u4ec5\u6570\u6570\u636e，\u4e5f\u53ef\u80fd\u9700\u8981\u6309\u94ae\u3001\u56fe\u7247\u3001\u70b9\u51fb\u7b49\u529f\u80fd，\u4e0b\u9762\u63d0\u4f9b\u4e00\u4e2a\u6dfb\u52a0\u4e86\u6309\u94ae\u4ee5\u53ca\u6309\u94ae\u4e8b\u4ef6\u7684\u4f8b\u5b50\u3002<\/p>\n
\/\/ listviewshow.h<\/p>\n
#ifndef LISTVIEWSHOW_H
\n#define LISTVIEWSHOW_H<\/p>\n
#include <QWidget>
\n#include <QListView>
\n#include <QStringListModel><\/p>\n
namespace Ui {
\nclass listviewshow;
\n}<\/p>\n
class listviewshow : public QWidget
\n{
\n Q_OBJECT<\/p>\n
public:
\n explicit listviewshow(QWidget *parent = nullptr);
\n ~listviewshow();<\/p>\n
void init();<\/p>\n
public slots:
\n void onButtonClicked(int);<\/p>\n
private:
\n Ui::listviewshow *ui;
\n QListView *p_listview;
\n};<\/p>\n
#endif \/\/ LISTVIEWSHOW_H<\/p>\n
\/\/ listviewshow.cpp<\/p>\n
#include "listviewshow.h"
\n#include "ui_listviewshow.h"
\n#include <QVBoxLayout>
\n#include <QStandardItemModel>
\n#include <QSignalMapper><\/p>\n
listviewshow::listviewshow(QWidget *parent) :
\n QWidget(parent),
\n ui(new Ui::listviewshow),
\n p_listview(nullptr)
\n{
\n ui->setupUi(this);
\n init();
\n}<\/p>\n
listviewshow::~listviewshow()
\n{
\n delete ui;
\n}<\/p>\n
void listviewshow::init()
\n{
\n \/\/ \u521b\u5efa QListView \u548c\u6a21\u578b
\n QStandardItemModel *model = new QStandardItemModel(this);<\/p>\n
\/\/ \u6dfb\u52a0\u591a\u4e2a\u9879\u5230\u6a21\u578b
\n for (int i = 0; i < 4; ++i)
\n {
\n QStandardItem *item = new QStandardItem();
\n item->setSizeHint(QSize(10, 50));
\n model->appendRow(item);
\n }<\/p>\n
ui->listView->setModel(model);<\/p>\n
\/\/ \u521b\u5efa\u4fe1\u53f7\u6620\u5c04\u5668
\n QSignalMapper *signalMapper = new QSignalMapper(this);<\/p>\n
\/\/ \u4e3a\u6bcf\u4e2a\u9879\u8bbe\u7f6e\u81ea\u5b9a\u4e49 QWidget
\n for (int row = 0; row < model->rowCount(); ++row)
\n {
\n QWidget *widget = new QWidget();
\n \/\/widget->setMinimumHeight(25);
\n QHBoxLayout *layout = new QHBoxLayout(widget);<\/p>\n
QLabel *label = new QLabel("Item " + QString::number(row + 1), widget);
\n QPushButton *button = new QPushButton("Button", widget);<\/p>\n
\/\/ \u5c06\u6309\u94ae\u4e0e\u4fe1\u53f7\u6620\u5c04\u5668\u7ed1\u5b9a
\n signalMapper->setMapping(button, row); \/\/ \u6620\u5c04\u7d22\u5f15\u5230\u6309\u94ae
\n connect(button, &QPushButton::clicked, signalMapper, QOverload<>::of(&QSignalMapper::map));<\/p>\n
layout->addWidget(label);
\n layout->addWidget(button);
\n widget->setLayout(layout);<\/p>\n
ui->listView->setIndexWidget(model->index(row, 0), widget);
\n }
\n \/\/ \u8fde\u63a5\u4fe1\u53f7\u6620\u5c04\u5668\u7684\u4fe1\u53f7\u5230\u69fd
\n connect(signalMapper, SIGNAL(mapped(int)), this, SLOT(onButtonClicked(int)));
\n}<\/p>\n
void listviewshow::onButtonClicked(int row)
\n{
\n qDebug() << "Button clicked for item row: " << row;
\n \/\/\u786e\u8ba4\u662f\u54ea\u4e00\u4e2a\u6309\u94ae\u540e，\u5c31\u80fd\u901a\u8fc7\u6309\u94ae\u7684\u5e8f\u53f7\u5230list\u4e2d\u53bb\u62ff\u5bf9\u5e94\u7684\u6570\u636e
\n \/\/ui->listView->model()->index(row, 0);
\n QWidget *targetWidget = ui->listView->indexWidget(ui->listView->model()->index(row, 0));
\n QLabel *label = targetWidget->findChild<QLabel *>();
\n qDebug() << "Found QLabel:" << label->text();
\n}<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250816131940-68a0856cb0732.png\")
<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb128\u6b21\u3002\u5f88\u591a\u65f6\u5019\u5217\u8868\u6570\u636e\u9700\u8981\u7684\u4e0d\u4ec5\u4ec5\u6570\u6570\u636e\uff0c\u4e5f\u53ef\u80fd\u9700\u8981\u6309\u94ae\u3001\u56fe\u7247\u3001\u70b9\u51fb\u7b49\u529f\u80fd\uff0c\u4e0b\u9762\u63d0\u4f9b\u4e00\u4e2a\u6dfb\u52a0\u4e86\u6309\u94ae\u4ee5\u53ca\u6309\u94ae\u4e8b\u4ef6\u7684\u4f8b\u5b50\u3002QListView\u7684QStringListModel\u589e\u5220\u6570\u636e\u5176\u5b9e\u5c31\u662f\u5bf9QStringList\u8fdb\u884c\u64cd\u4f5c\u3002\u4f7f\u7528\u6b65\u9aa4\u548cQStringListModel\u4e00\u6837\uff0c\u7b80\u5355\u7684\u4f7f\u7528\u65b9\u5f0f\u4e0d\u505a\u591a\u4f59\u7684\u4ecb\u7ecd\u4e86\u3002\u662f Qt \u4e2d\u7528\u4e8e\u663e\u793a\u5217\u8868\u6570\u636e\u7684\u89c6\u56fe\u63a7\u4ef6\u3002\u6216\u81ea\u5b9a\u4e49\u6a21\u578b\uff09\u914d\u5408\u4f7f\u7528\uff0c\u7528\u4e8e\u5448\u73b0\u6570\u636e\u9879\u7684\u5217\u8868\u3002\u5982\u679c\u9700\u8981\u83b7\u53d6\u70b9\u51fb\u7684\u662f\u54ea\u4e00\u4e2a\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u70b9\u51fb\u4e8b\u4ef6\u3002\u521b\u5efa\u7684model\u4e5f\u8981\u6ce8\u610f\u58f0\u660e\u5468\u671f\uff0c\u89c1\u3002\u5f00\u53d1\u5de5\u5177\uff1aQT Creator\u3002<\/p>\n","protected":false},"author":2,"featured_media":59074,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[218,190],"topic":[],"class_list":["post-59076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-qt","tag-190"],"yoast_head":"\n