windows下文件创建时间、访问时间、修改时间的设置

 

 

 

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>
#include "Windows.h"
namespace Ui {
class Widget;
}
class QStandardItemModel;
class Widget : public QWidget
{
    Q_OBJECT
public:
    explicit Widget(QWidget *parent = 0);
    ~Widget();
private slots:
    void on_btnOpen_clicked();
    void on_btnReadTime_clicked();
    void on_btnWriteTime_clicked();
    void on_btnCreateTime_clicked();
    void on_checkBox_clicked(bool checked);
private:
    void buildTime(PFILETIME fileTime);
    void buildModel(QStandardItemModel *model);
    Ui::Widget *ui;
    QString dir;
    QStandardItemModel *model;
    bool bRecur;
};

#endif // WIDGET_H

#include "widget.h"
#include "ui_widget.h"
#include <QFileDialog>
#include <QStandardItemModel>
#include <QDateTime>
#include <QDebug>
Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{
    ui->setupUi(this);
    dir = ".";
    bRecur = false;
    model = new QStandardItemModel();
    ui->treeView->setModel(model);
    QStringList list;
    list << "File" << "Create" << "Write" << "Access";
    model->setHorizontalHeaderLabels(list);
    QHeaderView *view = ui->treeView->header();
//    QStandardItemModel* standardModel = new QStandardItemModel ;
//    standardModel->setHorizontalHeaderItem(0, new QStandardItem("file"));
//    standardModel->setHorizontalHeaderItem(1, new QStandardItem("create"));
//    standardModel->setHorizontalHeaderItem(2, new QStandardItem("write"));
//    standardModel->setHorizontalHeaderItem(3, new QStandardItem("read"));



    view->setDefaultAlignment(Qt::AlignCenter);
    view->setStretchLastSection(false);
    for(int i=1;i<4; ++i)
    ui->treeView->setColumnWidth(i, 140);
    view->setSectionResizeMode(0, QHeaderView::Stretch);
    view->setSectionResizeMode(1, QHeaderView::Fixed);
    view->setSectionResizeMode(2, QHeaderView::Fixed);
    view->setSectionResizeMode(3, QHeaderView::Fixed);
    ui->treeView->setSelectionMode(QTreeView::ContiguousSelection);
    ui->dateTimeEdit->setDateTime(QDateTime::currentDateTime());
}

Widget::~Widget()
{
    delete ui;
}

void Widget::on_btnOpen_clicked()
{
    QString tmp = QFileDialog::getExistingDirectory(this, "选择目录", dir);
    if(tmp.isNull())
        return;

    dir = tmp;

    buildModel(model);
}

void Widget::on_btnReadTime_clicked()
{
    FILETIME fileTime;
    buildTime(&fileTime);
    QModelIndexList list = ui->treeView->selectionModel()->selectedRows();
    for(auto item: list)
    {
        HANDLE hFile = CreateFile( (dir+"/"+item.data().toString()).toStdWString().c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
        if(hFile!=INVALID_HANDLE_VALUE)
        {
            SetFileTime(hFile, 0, &fileTime, 0);
            qDebug() << item.data().toString() << GetLastError();
            CloseHandle(hFile);
        }
    }
}

void Widget::on_btnWriteTime_clicked()
{
    FILETIME fileTime;
    buildTime(&fileTime);
    QModelIndexList list = ui->treeView->selectionModel()->selectedRows();
    for(auto item: list)
    {
        HANDLE hFile = CreateFile( (dir+"/"+item.data().toString()).toStdWString().c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
        if(hFile!=INVALID_HANDLE_VALUE)
        {
            SetFileTime(hFile, 0, 0, &fileTime);
            qDebug() << item.data().toString() << GetLastError();
            CloseHandle(hFile);
        }
    }
}

void Widget::on_btnCreateTime_clicked()
{
    FILETIME fileTime;
    buildTime(&fileTime);
    QModelIndexList list = ui->treeView->selectionModel()->selectedRows();
    for(auto item: list)
    {
        HANDLE hFile = CreateFile( (dir+"/"+item.data().toString()).toStdWString().c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
        if(hFile!=INVALID_HANDLE_VALUE)
        {
            SetFileTime(hFile, &fileTime, 0, 0);
            qDebug() << item.data().toString() << GetLastError();
            CloseHandle(hFile);
        }
    }

}

void Widget::buildModel(QStandardItemModel *model)
{
    model->removeRows(0, model->rowCount());
    QDir dir(dir);
    QStandardItem *item= model->invisibleRootItem();
    for(auto fileInfo: dir.entryInfoList(QDir::Files))
    {
//        QStandardItem *item = new QStandardItem;
        QStandardItem *item1 = new QStandardItem(fileInfo.fileName());
        QStandardItem *item2 = new QStandardItem(fileInfo.created().toString("yyyy-MM-dd HH:mm:ss"));
        QStandardItem *item3 = new QStandardItem(fileInfo.lastModified().toString("yyyy-MM-dd HH:mm:ss"));
        QStandardItem *item4 = new QStandardItem(fileInfo.lastRead().toString("yyyy-MM-dd HH:mm:ss"));
        QList<QStandardItem*> args;
        args << item1<< item2<< item3<< item4;
        item->appendRow(args);
//        model->appendRow(item);
    }
}

void Widget::buildTime(PFILETIME fileTime)
{
    QDateTime time = ui->dateTimeEdit->dateTime();
    SYSTEMTIME sysTime;
    sysTime.wDay = time.date().day();
    sysTime.wYear = time.date().year();
    sysTime.wMonth = time.date().month();
    sysTime.wHour = time.time().hour();
    sysTime.wMinute = time.time().minute();
    sysTime.wSecond = time.time().second();
    ::SystemTimeToFileTime(&sysTime, fileTime);
}

void Widget::on_btnFresh_clicked()
{
    QFont font = ui->treeView->font();
    QFontMetrics fm(font);
    QRect rec = fm.boundingRect("2099-99-99 88:88:88");
//    qDebug() << font.pointSize() << rec.width();
    buildModel(model);
}