自动打开两个窗口

monitor.cpp

@@ -45,6 +45,18 @@ Monitor::Monitor(MainWindow *parent) :
     CarList::getInstance()->setAdapter(adapter);
 }
 
+void Monitor::showEvent(QShowEvent *event)
+{
+    QWidget::showEvent(event);
+    QTimer *timer = new QTimer(this);
+    timer->setSingleShot(true);
+    connect(timer, &QTimer::timeout, [this]() {
+        emit this->ui->showList->toggle();
+        emit this->ui->showLog->toggle();
+    });
+    timer->start(100);  // 延时100ms，等待窗口创建完毕后执行，哈哈哈哈哈
+}
+
 Monitor::~Monitor()
 {
     delete ui;