其他

DialogTest/widget.cpp

@@ -1,8 +1,23 @@
 #include "widget.h"
+#include <QFileDialog>
+#include <QString>
+#include <QDebug>
 
 Widget::Widget(QWidget *parent)
     : QWidget(parent)
 {
+    this->resize(600,400);
+    button = new QPushButton("选择文件",this);
+    button->resize(100,100);
+    button->move(250,100);
+
+    connect(button,&QPushButton::clicked,[](){
+//        QString str = QFileDialog::getOpenFileName();
+//        qDebug()<<str;
+        QStringList str = QFileDialog::getOpenFileNames();
+        qDebug()<<str;
+    });
+
 }
 
 Widget::~Widget()

DialogTest/widget.h

@@ -2,11 +2,15 @@
 #define WIDGET_H
 
 #include <QWidget>
+#include <QPushButton>
 
 class Widget : public QWidget
 {
     Q_OBJECT
 
+private:
+    QPushButton *button;
+
 public:
     Widget(QWidget *parent = nullptr);
     ~Widget();