#include "mainwindow.h" #include "ui_mainwindow.h" #include MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) // , ui(new Ui::MainWindow) { ui->setupUi(this); ui->comboBox->setView(new QListView()); //设置无边框 // ui->comboBox_2->setView(new QListView()); } MainWindow::~MainWindow() { delete ui; }