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qt_easy/QToolBarE/QToolBarE.pro

+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++11
+
+# You can make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
+
+SOURCES +=  main.cpp
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
+
+RESOURCES += \
+    resource.qrc

qt_easy/QToolBarE/main.cpp

+#include <QApplication>
+#include <QMainWindow>
+#include <QToolBar>
+#include <QAction>
+#include <QIcon>
+#include <QMessageBox>
+
+class MyClass : public QMainWindow {
+    Q_OBJECT
+
+public:
+    MyClass(QWidget *parent = nullptr) : QMainWindow(parent) {
+        // 创建工具栏
+        QToolBar *toolbar = new QToolBar("MyToolbar", this);
+        toolbar->setIconSize(QSize(32, 32));  // 设置图标大小
+       toolbar->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
+        // 添加打开按钮
+        QAction *actionOpen = toolbar->addAction(QIcon(":/images/open.png"), "Open");
+        connect(actionOpen, &QAction::triggered, this, &MyClass::openFile);
+
+        // 添加保存按钮
+        QAction *actionSave = toolbar->addAction(QIcon(":/images/Save.png"), "Save");
+        connect(actionSave, &QAction::triggered, this, &MyClass::saveFile);
+
+        // 添加分隔符
+        toolbar->addSeparator();
+
+        // 添加自定义部件
+        QWidget *customWidget = new QWidget;
+        customWidget->setFixedSize(100, 30);
+        toolbar->addWidget(customWidget);
+
+        // 将工具栏添加到主窗口
+        addToolBar(toolbar);
+    }
+
+private slots:
+    void openFile() {
+        QMessageBox::information(this, "Open", "Open file");
+    }
+
+    void saveFile() {
+        QMessageBox::information(this, "Save", "Save file");
+    }
+};
+
+int main(int argc, char *argv[]) {
+    QApplication a(argc, argv);
+
+    MyClass window;
+    window.show();
+
+    return a.exec();
+}
+
+#include "main.moc"

qt_easy/QToolBarE/resource.qrc

+<RCC>
+    <qresource prefix="/images">
+        <file>open.png</file>
+        <file>Save.png</file>
+    </qresource>
+</RCC>