把一下PyQt5的代码变成PyQt6的代码
代码:
from PyQt5.QtCore import QUrl, Qt, QTranslator, QLocale, QLibraryInfo
from PyQt5.QtGui import QFont, QIcon, QKeySequence
from PyQt5.QtWidgets import (QApplication, QMainWindow, QToolBar, QLineEdit,
QAction, QStatusBar, QMessageBox, QTabWidget)
from PyQt5.QtWebEngineWidgets import QWebEngineView, QWebEnginePage, QWebEngineSettings
from datetime import datetime
import sys,os
os.environ["QT_MULTIMEDIA_PREFERRED_PLUGINS"] = "windowsmediafoundation"
os.environ["QTWEBENGINE_CHROMIUM_FLAGS"] = "--enable-gpu-rasterization --enable-zero-copy"
os.environ["QT_MEDIA_BACKEND"] = "ffmpeg"
class CustomWebView(QWebEngineView):
def __init__(self, parent=None,window=None):
super().__init__(parent)
# 捕获链接悬停事件获取URL
self.window = window
self.page().linkHovered.connect(self.save_hovered_url)
self.hovered_url = QUrl()
self.page().profile().setHttpUserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36")
settings = self.settings()
settings.setAttribute(QWebEngineSettings.PlaybackRequiresUserGesture, False) # 允许自动播放
settings.setAttribute(QWebEngineSettings.JavascriptEnabled, True)
settings.setAttribute(QWebEngineSettings.PluginsEnabled, True) # 启用插件
settings.setAttribute(QWebEngineSettings.WebGLEnabled, True) # 支持WebGL
settings.setAttribute(QWebEngineSettings.LocalStorageEnabled, True) # 启用本地存储
settings.setAttribute(QWebEngineSettings.JavascriptCanOpenWindows, True)
def save_hovered_url(self, url):
"""保存鼠标悬停的链接地址"""
self.hovered_url = QUrl(url)
def createWindow(self, type):
"""重写窗口创建方法"""
url = QUrl(self.url().toString())
if self.hovered_url.isValid():
try:
self.window.add_new_tab(self.hovered_url)
self.load(url)
except:
self.load(self.hovered_url)
return self # 返回当前视图实例
def save_screenshot(self):
current_time = datetime.now()
photo_name = current_time.strftime("%Y%m%d_%H%M%S_%f") + '.png'
save_folder = r'save\photo'
os.makedirs(save_folder, exist_ok=True)
save_path = os.path.join(save_folder, photo_name)
photo = self.grab()
photo.save(rf'save\photo\{photo_name}')
class BrowserWindow(QMainWindow):
def __init__(self):
super().__init__()
self.setWindowTitle("PyQt5 浏览器")
self.setGeometry(100, 100, 1200, 800)
# 创建标签页
self.tabs = QTabWidget()
self.tabs.setTabsClosable(True)
self.tabs.tabCloseRequested.connect(self.close_tab)
self.setCentralWidget(self.tabs)
# 创建初始标签页
self.add_new_tab(QUrl('https://www.baidu.com'), "主页")
# 创建工具栏
self.create_toolbar()
# 创建菜单栏
self.create_menus()
# 创建状态栏
self.status_bar = QStatusBar()
self.setStatusBar(self.status_bar)
# 显示窗口
self.show()
def add_new_tab(self, url=None, label="新标签页"):
"""添加新标签页"""
if url is None:
url = QUrl('https://www.baidu.com')
browser = CustomWebView(window=self)
settings = browser.settings()
settings.setFontFamily(QWebEngineSettings.StandardFont, 'Microsoft YaHei UI')
settings.setFontFamily(QWebEngineSettings.FixedFont, "Courier New")
browser.setUrl(url)
browser.urlChanged.connect(self.update_urlbar)
browser.loadProgress.connect(self.update_progress)
browser.loadFinished.connect(self.update_title)
index = self.tabs.addTab(browser, label)
self.tabs.setCurrentIndex(index)
return browser
def close_tab(self, index):
"""关闭标签页"""
if self.tabs.count() < 2:
return
self.tabs.removeTab(index)
def create_toolbar(self):
"""创建工具栏"""
toolbar = QToolBar("导航工具栏")
toolbar.setMovable(False)
self.addToolBar(toolbar)
# 后退按钮
back_btn = QAction(QIcon("back.png"), "后退", self)
back_btn.setStatusTip("后退到上一页")
back_btn.triggered.connect(lambda: self.current_browser().back())
toolbar.addAction(back_btn)
# 前进按钮
forward_btn = QAction(QIcon("forward.png"), "前进", self)
forward_btn.setStatusTip("前进到下一页")
forward_btn.triggered.connect(lambda: self.current_browser().forward())
toolbar.addAction(forward_btn)
# 刷新按钮
reload_btn = QAction(QIcon("reload.png"), "刷新", self)
reload_btn.setStatusTip("刷新当前页面")
reload_btn.triggered.connect(lambda: self.current_browser().reload())
toolbar.addAction(reload_btn)
# 主页按钮
home_btn = QAction(QIcon("home.png"), "主页", self)
home_btn.setStatusTip("返回主页")
home_btn.triggered.connect(self.navigate_home)
toolbar.addAction(home_btn)
toolbar.addSeparator()
# 地址栏
self.urlbar = QLineEdit()
self.urlbar.returnPressed.connect(self.navigate_to_url)
toolbar.addWidget(self.urlbar)
# 停止加载按钮
stop_btn = QAction(QIcon("stop.png"), "停止", self)
stop_btn.setStatusTip("停止加载当前页面")
stop_btn.triggered.connect(lambda: self.current_browser().stop())
toolbar.addAction(stop_btn)
def create_menus(self):
"""创建菜单栏"""
# 文件菜单
file_menu = self.menuBar().addMenu("文件(&F)")
new_tab_action = QAction(QIcon("new-tab.png"), "新建标签页", self)
new_tab_action.setShortcut(QKeySequence.AddTab)
new_tab_action.triggered.connect(lambda: self.add_new_tab())
file_menu.addAction(new_tab_action)
new_window_action = QAction(QIcon("new-window.png"), "新建窗口", self)
new_window_action.setShortcut("Ctrl+N")
new_window_action.triggered.connect(self.new_window)
file_menu.addAction(new_window_action)
file_menu.addSeparator()
save_page_action = QAction(QIcon("save.png"), "保存页面", self)
save_page_action.setShortcut("Ctrl+S")
save_page_action.triggered.connect(self.save_page)
file_menu.addAction(save_page_action)
file_menu.addSeparator()
exit_action = QAction(QIcon("exit.png"), "退出", self)
exit_action.setShortcut("Ctrl+Q")
exit_action.triggered.connect(self.close)
file_menu.addAction(exit_action)
# 编辑菜单
edit_menu = self.menuBar().addMenu("编辑(&E)")
copy_action = QAction(QIcon("copy.png"), "复制", self)
copy_action.setShortcut("Ctrl+C")
copy_action.triggered.connect(self.copy)
edit_menu.addAction(copy_action)
paste_action = QAction(QIcon("paste.png"), "粘贴", self)
paste_action.setShortcut("Ctrl+V")
paste_action.triggered.connect(self.paste)
edit_menu.addAction(paste_action)
cut_action = QAction(QIcon("cut.png"), "剪切", self)
cut_action.setShortcut("Ctrl+X")
cut_action.triggered.connect(self.cut)
edit_menu.addAction(cut_action)
# 查看菜单
view_menu = self.menuBar().addMenu("查看(&V)")
zoom_in_action = QAction(QIcon("zoom-in.png"), "放大", self)
zoom_in_action.setShortcut("Ctrl++")
zoom_in_action.triggered.connect(self.zoom_in)
view_menu.addAction(zoom_in_action)
zoom_out_action = QAction(QIcon("zoom-out.png"), "缩小", self)
zoom_out_action.setShortcut("Ctrl+-")
zoom_out_action.triggered.connect(self.zoom_out)
view_menu.addAction(zoom_out_action)
reset_zoom_action = QAction(QIcon("zoom-reset.png"), "重置缩放", self)
reset_zoom_action.setShortcut("Ctrl+0")
reset_zoom_action.triggered.connect(self.reset_zoom)
view_menu.addAction(reset_zoom_action)
# 历史菜单
history_menu = self.menuBar().addMenu("历史(&H)")
back_action = QAction(QIcon("back.png"), "后退", self)
back_action.setShortcut("Alt+Left")
back_action.triggered.connect(lambda: self.current_browser().back())
history_menu.addAction(back_action)
forward_action = QAction(QIcon("forward.png"), "前进", self)
forward_action.setShortcut("Alt+Right")
forward_action.triggered.connect(lambda: self.current_browser().forward())
history_menu.addAction(forward_action)
# 帮助菜单
help_menu = self.menuBar().addMenu("帮助(&H)")
about_action = QAction(QIcon("about.png"), "关于", self)
about_action.triggered.connect(self.show_about)
help_menu.addAction(about_action)
def current_browser(self):
"""获取当前标签页的浏览器实例"""
return self.tabs.currentWidget()
def navigate_home(self):
"""导航到主页"""
self.current_browser().setUrl(QUrl("https://www.baidu.com"))
def navigate_to_url(self):
"""导航到地址栏中的URL"""
url = self.urlbar.text()
if not url.startswith(('http://', 'https://')):
url = 'http://' + url
self.current_browser().setUrl(QUrl(url))
def update_urlbar(self, q):
"""更新地址栏显示"""
self.urlbar.setText(q.toString())
self.urlbar.setCursorPosition(0)
def update_progress(self, progress):
"""更新加载进度"""
if progress < 100:
self.status_bar.showMessage(f"加载中: {progress}%")
else:
self.status_bar.clearMessage()
def update_title(self):
"""更新标签页标题"""
title = self.current_browser().page().title()
self.setWindowTitle(f"{title} - PyQt5 浏览器")
self.tabs.setTabText(self.tabs.currentIndex(), title[:15] + '...' if len(title) > 15 else title)
def new_window(self):
"""创建新窗口"""
new_window = BrowserWindow()
new_window.show()
def save_page(self):
"""保存页面"""
self.current_browser().save_screenshot()
self.status_bar.showMessage("保存成功", 3000)
def copy(self):
"""复制操作"""
self.current_browser().page().triggerAction(QWebEnginePage.Copy)
def paste(self):
"""粘贴操作"""
self.current_browser().page().triggerAction(QWebEnginePage.Paste)
def cut(self):
"""剪切操作"""
self.current_browser().page().triggerAction(QWebEnginePage.Cut)
def zoom_in(self):
"""放大页面"""
self.current_browser().setZoomFactor(self.current_browser().zoomFactor() + 0.1)
def zoom_out(self):
"""缩小页面"""
self.current_browser().setZoomFactor(self.current_browser().zoomFactor() - 0.1)
def reset_zoom(self):
"""重置缩放"""
self.current_browser().setZoomFactor(1.0)
def show_about(self):
"""显示关于对话框"""
QMessageBox.about(self, "关于 PyQt5 浏览器",
"这是一个使用 PyQt5 创建的浏览器\n\n"
"版本: 1.0\n"
"支持基本浏览功能、多标签页和菜单栏操作")
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setApplicationName("PyQt5 浏览器")
app.setWindowIcon(QIcon("browser.png"))
app.setFont(QFont('Microsoft YaHei UI', 10, QFont.Normal))
translator = QTranslator()
locale = QLocale.system().name()
if translator.load("qt_"+ locale,
QLibraryInfo.location(QLibraryInfo.TranslationsPath)):
app.installTranslator(translator)
# 设置默认样式
app.setStyle("Fusion")
window = BrowserWindow()
sys.exit(app.exec_())
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