忘记加了，下面是加了之后的
[Python] 纯文本查看 复制代码 import sys
from PyQt5.QtCore import QUrl
from PyQt5.QtWidgets import QApplication, QMainWindow, QAction, QToolBar, QLineEdit, QTabWidget, QVBoxLayout, QWidget, QLabel, QComboBox, QDialog, QShortcut
from PyQt5.QtWebEngineWidgets import QWebEngineView
from PyQt5.QtGui import QKeySequence
class Browser(QMainWindow):
def __init__(self):
super().__init__()
self.tabs = QTabWidget()
self.tabs.setDocumentMode(True)
self.tabs.setTabsClosable(True)
self.tabs.tabCloseRequested.connect(self.close_current_tab)
self.tabs.currentChanged.connect(self.current_tab_changed)
self.url_bar = QLineEdit()
self.url_bar.returnPressed.connect(self.navigate_to_url)
self.add_new_tab(QUrl("https://www.baidu.com"), "首页")
self.nav_bar = QToolBar()
self.addToolBar(self.nav_bar)
back_btn = QAction("后退", self)
back_btn.triggered.connect(self.go_back)
self.nav_bar.addAction(back_btn)
forward_btn = QAction("前进", self)
forward_btn.triggered.connect(self.go_forward)
self.nav_bar.addAction(forward_btn)
reload_btn = QAction("刷新", self)
reload_btn.triggered.connect(self.reload_page)
self.nav_bar.addAction(reload_btn)
home_btn = QAction("首页", self)
home_btn.triggered.connect(self.navigate_home)
self.nav_bar.addAction(home_btn)
self.nav_bar.addWidget(self.url_bar) # 将地址栏添加到导航栏中
self.nav_bar.addSeparator()
self.status = self.statusBar()
self.bookmarks = []
self.bookmarks_menu = self.menuBar().addMenu("书签")
self.update_bookmarks()
settings_action = QAction("设置", self)
settings_action.triggered.connect(self.show_settings)
self.menuBar().addAction(settings_action)
new_tab_shortcut = QShortcut(QKeySequence("Ctrl+T"), self)
new_tab_shortcut.activated.connect(self.add_new_tab)
self.language = "英文" # 添加语言属性并设置默认值
self.setStyleSheet("""
QMainWindow {
background-color: #F0F0F0;
}
QTabWidget::pane {
border: 1px solid #C0C0C0;
background: white;
}
QTabBar::tab {
padding: 8px;
background-color: #E0E0E0;
border: 1px solid #C0C0C0;
border-top-left-radius: 4px;
border-top-right-radius: 4px;
}
QTabBar::tab:selected {
background-color: #FFD700;
}
QToolBar {
background-color: #E0E0E0;
}
QLineEdit {
background-color: #FFFFFF;
}
QStatusBar {
background-color: #E0E0E0;
}
""")
layout = QVBoxLayout()
container = QWidget()
layout.addWidget(self.url_bar)
layout.addWidget(self.tabs)
container.setLayout(layout)
self.setCentralWidget(container)
self.nav_bar.addWidget(self.url_bar)
self.url_bar = QLineEdit()
self.url_bar.returnPressed.connect(self.navigate_to_url)
self.nav_bar.addWidget(self.url_bar)
self.show()
def add_new_tab(self, qurl=None, label="新标签页"):
if qurl is None:
qurl = QUrl("https://www.baidu.com")
browser = QWebEngineView()
browser.setUrl(qurl)
i = self.tabs.addTab(browser, label)
self.tabs.setCurrentIndex(i)
browser.urlChanged.connect(lambda qurl, browser=browser: self.update_url(qurl, browser))
browser.loadFinished.connect(lambda _, i=i, browser=browser: self.tabs.setTabText(i, browser.page().title()))
def update_url(self, q, browser=None):
if browser != self.tabs.currentWidget():
return
self.url_bar.setText(q.toString())
def current_tab_changed(self, i):
qurl = self.tabs.currentWidget().url()
self.update_url(qurl, self.tabs.currentWidget())
def close_current_tab(self, i):
if self.tabs.count() < 2:
return
self.tabs.removeTab(i)
def navigate_home(self):
self.tabs.currentWidget().setUrl(QUrl("https://www.baidu.com"))
def navigate_to_url(self):
q = QUrl(self.url_bar.text())
if q.scheme() == "":
q.setScheme("http")
self.tabs.currentWidget().setUrl(q)
def go_back(self):
self.tabs.currentWidget().back()
def go_forward(self):
self.tabs.currentWidget().forward()
def reload_page(self):
self.tabs.currentWidget().reload()
def update_bookmarks(self):
for bookmark in self.bookmarks:
self.bookmarks_menu.removeAction(bookmark)
self.bookmarks.clear()
for i in range(self.tabs.count()):
qurl = self.tabs.widget(i).url()
title = self.tabs.tabText(i)
action = QAction(title, self)
action.setData(qurl)
action.triggered.connect(self.navigate_to_bookmark)
self.bookmarks.append(action)
self.bookmarks_menu.addAction(action)
def navigate_to_bookmark(self):
action = self.sender()
if action:
qurl = action.data()
self.tabs.currentWidget().setUrl(qurl)
def show_settings(self):
settings_dialog = QDialog(self)
settings_dialog.setWindowTitle("设置")
settings_dialog.setMinimumSize(300, 200)
layout = QVBoxLayout()
language_label = QLabel("语言:")
language_combo = QComboBox()
language_combo.addItem("英文")
language_combo.addItem("中文")
language_combo.currentIndexChanged.connect(self.set_language)
language_combo.setCurrentText(self.language)
layout.addWidget(language_label)
layout.addWidget(language_combo)
settings_dialog.setLayout(layout)
settings_dialog.exec_()
def set_language(self, index):
language = "英文" if index == 0 else "中文"
if language != self.language:
self.language = language
# TODO: 设置浏览器界面语言
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setApplicationName("强大浏览器")
window = Browser()
window.show()
sys.exit(app.exec_())
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发表于 2023-7-24 22:38
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发表于 2023-7-25 15:08
