QTable添加复选框

效果

mainWindow.h
#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QWidget>
#include <QListWidget>
#include <QStringList>
#include <QString>
#include <QDebug>
#include <QListWidgetItem>
#include <QGridLayout>
#include <QToolButton>
#include <QLineEdit>
#include <QRadioButton>
#include <QMainWindow>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();


    void initTableWidget();
    void settingTableChanged(int row, int col);
private:
    Ui::MainWindow *ui;
};
#endif // MAINWINDOW_H

mainWindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    connect(this->ui->tableWidget, SIGNAL(cellChanged(int row,int col)), this, SLOT(settingTableChanged(int row, int col)));
    initTableWidget();
}

void MainWindow::initTableWidget()
{
    ui->tableWidget->setRowCount(10);
    ui->tableWidget->setColumnCount(10);

    for(int i = 0;i < ui->tableWidget->rowCount ();i++)
    {
        for(int j=1;j<ui->tableWidget->columnCount ();j++){
            ui->tableWidget->setEditTriggers ( QAbstractItemView::NoEditTriggers );//表格不可编辑
            ui->tableWidget->setColumnWidth(j,ui->tableWidget->size ().width ()/1.8);
            QTableWidgetItem *check=new QTableWidgetItem;
            check->setCheckState (Qt::Checked);
            ui->tableWidget->setItem(i,j,check); //插入复选框
        }
        QTableWidgetItem *check = new QTableWidgetItem("20%");
        ui->tableWidget->setItem(i,16,check); //插入复选框
    }

}

void MainWindow::settingTableChanged (int row, int col){
    if(ui->tableWidget->item (row,col)->checkState ()==Qt::Checked){
        // ui->setting_tableWidget->item(row,col)->setBackgroundColor (Qt::green);
        ui->tableWidget->item(row,col)->setTextColor (Qt::green);
        for(int j=1;j<16;j++)
        {
            if(j!=col){
                ui->tableWidget->item(row,j)->setCheckState (Qt::Unchecked); //插入复选框
            }
        }
    }
}

MainWindow::~MainWindow()
{
    delete ui;
}

原文：https://blog.csdn.net/Fuel_Ming/article/details/121792322