Qt学习笔记之实现简单文件浏览器

左手的ㄟ右手 2023-07-18 06:38 85阅读 0赞

#-------------------------------------------------
    #
    # Project created by QtCreator 2020-02-20T20:09:24
    #
    #-------------------------------------------------
    
    QT       += core gui network
    
    greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
    
    TARGET = myGui6
    TEMPLATE = app
    
    # The following define makes your compiler emit warnings if you use
    # any feature of Qt which as been marked as deprecated (the exact warnings
    # depend on your compiler). Please consult the documentation of the
    # deprecated API in order to know how to port your code away from it.
    DEFINES += QT_DEPRECATED_WARNINGS
    
    # You can also make your code fail to compile if you use deprecated APIs.
    # In order to do so, uncomment the following line.
    # You can also select to disable deprecated APIs only up to a certain version of Qt.
    #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
    
    
    SOURCES += main.cpp\
            widget.cpp
    
    HEADERS  += widget.h
    
    RESOURCES += \
        res/myres.qrc

#include "widget.h"
    #include <QApplication>
    #include <QFile>
    #include <QDebug>
    
    int main(int argc, char *argv[])
    {
        QApplication a(argc, argv);
    
        //! 加载样式表
        QFile file(":/qss/psblack.css");
        if (file.open(QFile::ReadOnly)) {
            QString qss = QLatin1String(file.readAll());
            qApp->setStyleSheet(qss);
            file.close();
        }
        Widget w;
        w.show();
    
        return a.exec();
    }

#ifndef WIDGET_H
    #define WIDGET_H
    
    #include <QWidget>
    #include <QtNetwork>
    #include <QLabel>
    #include <QTextBrowser>
    #include <QLayout>
    #include <QTextCodec>
    #include <QDebug>
    #include <QTreeWidget>
    #include <QTreeWidgetItem>
    
    class Widget : public QWidget
    {
        Q_OBJECT
    
    public:
        Widget(QWidget *parent = 0);
        ~Widget();
    
    private:
    
    private slots:
    
    
    };
    
    #endif // WIDGET_H

#include "widget.h"
    #include <QFile>
    #include <QFileInfo>
    #include <QFileInfoList>
    #include <QDir>
    #include <QVector>
    
    Widget::Widget(QWidget *parent)
        : QWidget(parent)
    {
        QHBoxLayout* horizontalLayout_4 = new QHBoxLayout(this);
        horizontalLayout_4->setObjectName(QStringLiteral("horizontalLayout_4"));
        QTreeWidget *treeWidget = new QTreeWidget();
        QTreeWidgetItem *__qtreewidgetitem = new QTreeWidgetItem();
        __qtreewidgetitem->setText(0, QStringLiteral("1"));
        treeWidget->setHeaderItem(__qtreewidgetitem);
        treeWidget->setObjectName(QStringLiteral("treeWidget"));
    
        horizontalLayout_4->addWidget(treeWidget);
    
        treeWidget->clear();
        treeWidget->setHeaderLabel("文件浏览器");
    
        QFileInfoList fileInfoList = QDir::drives();
        for (int i = 0; i < fileInfoList.size();i++){
            QString str = fileInfoList[i].absoluteFilePath();
            QStringList strList =  str.split(":");
            QTreeWidgetItem *group = new QTreeWidgetItem(treeWidget);
            group->setText(0, strList[0]);
            QDir dir;
            dir.setPath(fileInfoList[i].absoluteFilePath());
            //! 打出文件夹下文件
            QStringList fileList = dir.entryList();
            for (int i = 0; i < fileList.size(); i++){
                //qDebug()<<fileList[i];
                QTreeWidgetItem *subItem11 = new QTreeWidgetItem(group);
                subItem11->setText(0, fileList[i]);
            }
        }
    }
    
    Widget::~Widget()
    {
    
    }

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[20200324222941585.png]: /images/20230528/f13e8f310601468ead65131dfdbe4600.png