QT不卡界面Demo V2

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QStringListModel> #include <QDebug> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); //前台接收数据并展示 connect(&m_myBusiness,&MyBusiness::fileListResult,this,&MainWindow::updateFileListUI); } MainWindow::~MainWindow() { delete ui; } QStringList MainWindow::getFileList(QString address) { return m_myBusiness.getFileList(address); } void MainWindow::updateFileListUI(QStringList result) { QStringListModel * model = new QStringListModel(this); model->setStringList(result); ui->listView->setModel(model); } void MainWindow::on_pushButton_clicked() { qDebug() << "MainWindow on_pushButton_clicked Thread" <<QThread::currentThreadId(); QtConcurrent::run(this,&MainWindow::getFileList,QString("E:\\")); } void MainWindow::on_pushButtonSync_clicked() { qDebug() << "MainWindow on_pushButtonSync_clicked Thread" <<QThread::currentThreadId(); QStringList result; //查询数据库获取数据 for(int i = 0; i < 10;i++) { result.insert(i,QString::number(i)+ ".txt"); QThread::sleep(1); } QStringListModel * model = new QStringListModel(this); model->setStringList(result); ui->listView->setModel(model); }