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Qt 收藏夹书签管理

news 2025/6/29 9:02:46

Qt 收藏夹书签管理，对浏览器导出的标准书签html文件进行正则解析数据提取，对书签时间戳进行易读的格式转换，收藏夹层级树形显示，表格显示书签层级、名称、链接、日期的详细数据，右键菜单提供复制链接和浏览器打开的功能，支持按名称、链接、日期范围进行筛选，支持两个层级解析，层级内目录名不能重名。

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QFileDialog>
#include <QDir>
#include <QFileInfo>
#include <QFile>
#include <QTextStream>
#include <QDateTime>
#include <QRegularExpression>
#include <QRegularExpressionMatch>
#include <QTreeWidgetItem>
#include <QTableWidget>
#include <QMenu>
#include <QClipboard>
#include <QDesktopServices>
#include <QTimer>MainWindow::MainWindow(QWidget *parent): QMainWindow(parent), ui(new Ui::MainWindow)
{ui->setupUi(this);QFont font;font.setPixelSize(16);setFont(font);setWindowTitle(QStringLiteral("收藏夹管理"));ui->treeWidget->setHeaderHidden(true);ui->treeWidget->setFixedWidth(200);connect(ui->treeWidget, SIGNAL(itemClicked(QTreeWidgetItem*,int)), this, SLOT(showData(QTreeWidgetItem*,int)));QStringList headers;headers << QStringLiteral("层级") << QStringLiteral("名称") << QStringLiteral("链接") << QStringLiteral("日期");initTableWidget(ui->tableWidget, headers);ui->tableWidget->setContextMenuPolicy(Qt::CustomContextMenu);connect(ui->tableWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(menuDisplayed(QPoint)));ui->dateEdit_start->setCalendarPopup(true);ui->dateEdit_end->setCalendarPopup(true);ui->dateEdit_start->setDate(QDate::currentDate().addDays(-7));ui->dateEdit_end->setDate(QDate::currentDate());ui->dateEdit_start->setMinimumDate(QDate(2000, 1, 1));ui->dateEdit_end->setMinimumDate(QDate(2000, 1, 1));ui->dateEdit_start->setMaximumDate(QDate::currentDate());ui->dateEdit_end->setMaximumDate(QDate::currentDate());ui->lineEdit_keyword->setFixedWidth(200);connect(ui->lineEdit_keyword, SIGNAL(returnPressed()), this, SLOT(on_pushButton_keyword_clicked()));
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::initTableWidget(QTableWidget *tableWidget, QStringList headers)
{tableWidget->setColumnCount(headers.size());tableWidget->setHorizontalHeaderLabels(headers);tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows);tableWidget->setSelectionMode(QAbstractItemView::SingleSelection);tableWidget->verticalHeader()->setVisible(false);tableWidget->horizontalHeader()->setHighlightSections(false);tableWidget->setFrameShape(QFrame::NoFrame);tableWidget->setShowGrid(true);tableWidget->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);tableWidget->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);tableWidget->horizontalHeader()->setSectionResizeMode(3, QHeaderView::ResizeToContents);for (int i = 0; i < headers.size(); ++i){tableWidget->horizontalHeaderItem(i)->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);}tableWidget->setItemDelegate(new NoFocusDelegate());
}void MainWindow::dataTableWidget(QTableWidget *tableWidget, QList<HREFData> dataLst)
{if (dataLst.isEmpty()){return;}int rowCount = tableWidget->rowCount();int newCount = dataLst.size();if (newCount > rowCount){for (int row = rowCount; row < newCount; ++row){tableWidget->insertRow(row);for (int i = 0; i < 4; ++i){QTableWidgetItem *item = new QTableWidgetItem();tableWidget->setItem(row, i, item);}}}else if (newCount < rowCount){for (int row = rowCount; row > newCount; --row){tableWidget->removeRow(row - 1);}}for (int i = 0; i < newCount; ++i){HREFData data = dataLst.at(i);tableWidget->item(i, 0)->setText(data.Tag);tableWidget->item(i, 1)->setText(data.Name);tableWidget->item(i, 2)->setText(data.Href);tableWidget->item(i, 3)->setText(data.Date);tableWidget->item(i, 1)->setToolTip(data.Name);tableWidget->item(i, 2)->setToolTip(data.Href);}
}void MainWindow::menuDisplayed(const QPoint &pos)
{QTableWidgetItem *item = ui->tableWidget->itemAt(pos);if (item != nullptr){QMenu *menu = new QMenu(ui->tableWidget);QAction *copyHref = new QAction(QStringLiteral("复制链接"), ui->tableWidget);connect(copyHref, SIGNAL(triggered(bool)), this, SLOT(copyHref()));QAction *openHref = new QAction(QStringLiteral("浏览器打开"), ui->tableWidget);connect(openHref, SIGNAL(triggered(bool)), this, SLOT(openHref()));menu->addAction(copyHref);menu->addAction(openHref);menu->exec(QCursor::pos());delete copyHref;delete openHref;delete menu;}
}void MainWindow::copyHref()
{QApplication::clipboard()->setText(ui->tableWidget->item(ui->tableWidget->currentRow(), 2)->text());
}void MainWindow::openHref()
{QDesktopServices::openUrl(QUrl(ui->tableWidget->item(ui->tableWidget->currentRow(), 2)->text()));
}void MainWindow::on_pushButton_clicked()
{QString filestr = QFileDialog::getOpenFileName(this, QStringLiteral("打开收藏夹文件"), ".", "*.html");if (!filestr.isEmpty()){QFile file(filestr);file.open(QIODevice::ReadOnly);QString tt = file.readAll();file.close();QStringList lst = tt.split("\r\n");static QRegularExpression reTag("\">(.+)</H3>");static QRegularExpression reTagModified("LAST_MODIFIED=\"(.+)\"");QString tagName;QString tagModified;QString level_1 = "    <";QString level_2 = "        <";mTagLst.clear();foreach (QString str, lst){if (str.contains("<H3")){if (str.startsWith(level_1)){tagName = reTag.match(str).captured(1);tagModified = QDateTime::fromTime_t(reTagModified.match(str).captured(1).toInt()).toString("yyyy-MM-dd hh:mm:ss");mTagLst.append(QStringLiteral("%1/%2").arg(tagName).arg(tagModified));}else if (str.startsWith(level_2)){QString tmp = tagName;mTagLst.append(QStringLiteral("%1/%2").arg(tmp + "/" + reTag.match(str).captured(1)).arg(QDateTime::fromTime_t(reTagModified.match(str).captured(1).toInt()).toString("yyyy-MM-dd hh:mm:ss")));}}}static QRegularExpression re(" ICON=\"(.+)\"");static QRegularExpression reBookName("\">(.+)</A>");static QRegularExpression reBookHref("HREF=\"(.+?)\"");static QRegularExpression reBookDate("ADD_DATE=\"(.+?)\"");QRegularExpressionMatch rematch;mTagHrefMap.clear();QString curTag;int curLevel = 0;QString level_0_href = "    <";QString level_1_href = "        <";QString level_2_href = "            <";foreach (QString tag, mTagLst){QList<HREFData> tmp;mTagHrefMap.insert(tag, tmp);}foreach (QString str, lst){if (str.contains("HREF")){rematch = re.match(str);QString line = str;if (rematch.hasMatch()){line = str.replace(rematch.captured(0), "");}HREFData data;data.Name = reBookName.match(line).captured(1);data.Href = reBookHref.match(line).captured(1);data.Date = QDateTime::fromTime_t(reBookDate.match(line).captured(1).toInt()).toString("yyyy-MM-dd hh:mm:ss");QString week;switch (QDate::fromString(data.Date.split(" ")[0], "yyyy-MM-dd").dayOfWeek()){case Qt::Monday:week = QStringLiteral("一");break;case Qt::Tuesday:week = QStringLiteral("二");break;case Qt::Wednesday:week = QStringLiteral("三");break;case Qt::Thursday:week = QStringLiteral("四");break;case Qt::Friday:week = QStringLiteral("五");break;case Qt::Saturday:week = QStringLiteral("六");break;case Qt::Sunday:week = QStringLiteral("日");break;}data.Date = data.Date + "/" + week;QString tag;if (curLevel == 1){if (str.startsWith(level_1_href)){tag = curTag;}}else if (curLevel == 2){if (str.startsWith(level_2_href)){tag = curTag;}else if (str.startsWith(level_1_href)){QString key = curTag.split("/")[0];foreach (QString tmp, mTagLst){lst = tmp.split("/");if ((lst.size() == 2) && (lst[0] == key)){curTag = tmp;curLevel = 1;tag = curTag;break;}}}}if (str.startsWith(level_0_href)){tag = mTagLst[0];}QStringList lst = tag.split("/");QString level;if (lst.size() == 2){level = lst[0].replace("&amp;", "&");}else if (lst.size() == 3){level = lst[0].replace("&amp;", "&") + "/" + lst[1].replace("&amp;", "&");}data.Tag = level;QList<HREFData> hrefLst = mTagHrefMap.value(tag);hrefLst.append(data);mTagHrefMap.insert(tag, hrefLst);}else if (str.contains("<H3")){tagName = reTag.match(str).captured(1);foreach (QString tag, mTagLst){QStringList lst = tag.split("/");if (lst.size() == 2){if (lst[0] == tagName){curTag = tag;curLevel = 1;break;}}else if (lst.size() == 3){if (lst[1] == tagName){curTag = tag;curLevel = 2;break;}}}}}for (int i = ui->treeWidget->topLevelItemCount() - 1; i >= 0; --i){delete ui->treeWidget->takeTopLevelItem(i);}QList<QTreeWidgetItem *> topLst;foreach (QString tag, mTagLst){QStringList lst = tag.split("/");if (lst.size() == 2){QTreeWidgetItem *item = new QTreeWidgetItem;item->setText(0, lst[0].replace("&amp;", "&"));item->setData(0, Qt::UserRole, tag);item->setToolTip(0, lst[1]);ui->treeWidget->insertTopLevelItem(ui->treeWidget->topLevelItemCount(), item);topLst.append(item);}else if (lst.size() == 3){foreach (QTreeWidgetItem *top, topLst){if (top->text(0) == lst[0].replace("&amp;", "&")){QTreeWidgetItem *item = new QTreeWidgetItem(top);item->setText(0, lst[1].replace("&amp;", "&"));item->setData(0, Qt::UserRole, tag);item->setToolTip(0, lst[2]);break;}}}}ui->treeWidget->expandAll();}
}void MainWindow::showData(QTreeWidgetItem *item, int column)
{Q_UNUSED(column);QString tmp = item->data(0, Qt::UserRole).toString();if (tmp != mCurTagData){mCurTagData = tmp;dataTableWidget(ui->tableWidget, mTagHrefMap.value(mCurTagData));}
}void MainWindow::on_pushButton_date_clicked()
{if (ui->dateEdit_start->date() > ui->dateEdit_end->date() || mTagLst.isEmpty()){return;}QDate startDate = ui->dateEdit_start->date();QDate endDate = ui->dateEdit_end->date();QString tmp = QStringLiteral("%1;%2").arg(startDate.toString("yyyy-MM-dd")).arg(endDate.toString("yyyy-MM-dd"));if (mCurTagData == tmp){return;}QList<HREFData> retLst;foreach (QString tag, mTagLst){QList<HREFData> dataLst = mTagHrefMap.value(tag);foreach (HREFData data, dataLst){QDate date = QDate::fromString(data.Date.split(" ")[0], "yyyy-MM-dd");if ((date >= startDate) && (date <= endDate)){retLst.append(data);}}}if (!retLst.isEmpty()){mCurTagData = tmp;dataTableWidget(ui->tableWidget, retLst);}
}void MainWindow::on_pushButton_keyword_clicked()
{if (ui->lineEdit_keyword->text().isEmpty() || mTagLst.isEmpty()){return;}QString keyword = ui->lineEdit_keyword->text();if (mCurTagData == keyword){return;}QList<HREFData> retLst;foreach (QString tag, mTagLst){QList<HREFData> dataLst = mTagHrefMap.value(tag);foreach (HREFData data, dataLst){if (data.Name.contains(keyword) || data.Href.contains(keyword)){retLst.append(data);}}}if (!retLst.isEmpty()){mCurTagData = keyword;dataTableWidget(ui->tableWidget, retLst);}
}

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