python制作浏览器

from PyQt5.QtCore import * from PyQt5.QtWidgets import * from PyQt5.QtGui import * from PyQt5.QtWebEngineWidgets import * import sys import urllib.request import StrList as ll class sc: def sc(self): f1=open('收藏.py','r') sc=ll.move_str_list(f1.read()) f1.close() return sc class save: url=None def Tab_Save(self): html = urllib.request.urlopen(self.url).read() self.saveHtml("WSL浏览器_下载", html) #return html def saveHtml(self,file_name, file_content): # 注意windows文件命名的禁用符，比如 / with open(file_name.replace('/', '_') + ".html", "wb") as f: # 写文件用bytes而不是str，所以要转码 f.write(file_content) class WebView(QWebEngineView): def __init__(self, parent): super().__init__(parent) def createWindow(self, webWindowType): return main_demo.browser class MainDemo(QMainWindow): def __init__(self, *args, **kwargs): super().__init__(*args, **kwargs) #sc1=sc() #shoucang=sc1.sc() self.tab_save=save() self.setWindowTitle('WSL浏览器') self.setWindowIcon(QIcon('icons/penguin.png')) self.resize(800, 500) self.show() # 添加URL地址栏 self.urlbar = QLineEdit() # 让地址栏支持输入地址回车访问 self.urlbar.returnPressed.connect(self.navigate_to_url)#renew_urlbar1 # 添加标签栏 "" #正方形标签 self.tabs = QTabWidget() self.tabs.setDocumentMode(True) #标签形状 """梯形""" self.tabs.setTabShape(QTabWidget.Triangular) #设置可拖动页面 #help(self.tabs) self.tabs.setMovable(True) #self.tabs.setMovable(bool)#setMoveable(bool) # self.tabs.tabBarDoubleClicked.connect(self.tab_open) self.tabs.currentChanged.connect(self.current_tab_changed) """ #梯形标签 self.tabs = QTabWidget() self.tabs.setTabShape(QTabWidget.Triangular) self.tabs.setDocumentMode(True) self.tabs.setMovable(True) self.tabs.setTabsClosable(True) #self.tabWidget.tabCloseRequested.connect(self.close_Tab) self.setCentralWidget(self.tabs) """ # 允许关闭标签 self.tabs.setTabsClosable(True) # 设置关闭按钮的槽 self.tabs.tabCloseRequested.connect(self.close_current_tab) #self.add_new_tab(QUrl('https://www.baidu.com/'), 'Homepage') # 设置浏览器 self.browser = WebView(self) self.browser.load(QUrl('https://www.baidu.com/')) # 为标签添加索引方便管理 i = self.tabs.addTab(self.browser, 'Homepage') self.tabs.setCurrentIndex(i) qurl=QUrl('https://www.baidu.com/') self.tab_save.url='https://www.baidu.com/' self.browser.urlChanged.connect(lambda qurl, browser=self.browser: self.renew_urlbar(qurl, self.browser)) #self.browser.urlChanged.connect(lambda qurl, browser=self.browser: self.renew_urlbar1(qurl, self.browser)) # 将标签标题改为网页相关的标题 self.browser.loadFinished.connect(lambda _, i=i, browser=self.browser: self.tabs.setTabText(i, self.browser.page().title())) self.setCentralWidget(self.tabs) new_tab_action = QAction(QIcon('icons/add_page.png'), 'New Page', self) new_tab_action.triggered.connect(self.add_new_tab) # 添加导航栏 navigation_bar = QToolBar('Navigation') self.addToolBar(navigation_bar) # 设定图标大小 navigation_bar.setIconSize(QSize(16, 16)) self.addToolBar(navigation_bar) # 添加前进、后退、停止加载和刷新的按钮 """ back_button = QAction(QIcon('icons/back.png'), '后退', self) forward_button = QAction(QIcon('icons/forward.png'), '前进', self) stop_button = QAction(QIcon('icons/stop.png'), '停止加载', self) reload_button = QAction(QIcon('icons/renew.png'), '重新加载', self) new_button=QAction(QIcon('icons/add_page.png'), '新增网页', self) """ back_button = QAction(QIcon('icons/houtui.png'), '后退', self) forward_button = QAction(QIcon('icons/qianjin.png'), '前进', self) stop_button = QAction(QIcon('icons/close.png'), '停止加载', self) reload_button = QAction(QIcon('icons/shuaxin.png'), '重新加载', self) new_button=QAction(QIcon('icons/new.png'), '新增网页', self) home_button=QAction(QIcon('icons/home.png'), '首页', self) #save_button=QAction(QIcon('icons/tab_save.png'), '保存网页', self) "" back_button.triggered.connect(self.tabs.currentWidget().back) forward_button.triggered.connect(self.tabs.currentWidget().forward) stop_button.triggered.connect(self.tabs.currentWidget().stop) reload_button.triggered.connect(self.tabs.currentWidget().reload) new_button.triggered.connect(self.add_new_tab) home_button.triggered.connect(self.home) #save_button.triggered.connect(self.tab_save.Tab_Save) # 将按钮添加到导航栏上 navigation_bar.addAction(back_button) navigation_bar.addAction(forward_button) navigation_bar.addAction(stop_button) navigation_bar.addAction(reload_button) navigation_bar.addAction(home_button) navigation_bar.addAction(new_button) #navigation_bar.addAction(home_button) #navigation_bar.addAction(save_button) navigation_bar.addSeparator() navigation_bar.addWidget(self.urlbar) # 响应回车按钮，将浏览器当前访问的URL设置为用户输入的URL def navigate_to_url(self): current_url = QUrl(self.urlbar.text()) if current_url.scheme() == '': current_url.setScheme('http') self.tab_save.url=self.urlbar.text() self.tabs.currentWidget().load(current_url) def home(self):#https://www.hao123.com/?tn=88093251_99_hao_pg #current_url = QUrl('https://www.baidu.com/') current_url = QUrl('https://www.hao123.com/?tn=88093251_99_hao_pg') if current_url.scheme() == '': current_url.setScheme('http') self.tab_save.url=self.urlbar.text() self.tabs.currentWidget().load(current_url) # 将当前网页的链接更新到地址栏 def renew_urlbar(self, url, browser=None): # 非当前窗口不更新URL if browser != self.tabs.currentWidget(): return #self.add_new_tab() self.urlbar.setText(url.toString()) self.urlbar.setCursorPosition(0) # 将当前网页的链接更新到地址栏 def renew_urlbar1(self, url, browser=None): # 非当前窗口不更新URL if browser != self.tabs.currentWidget(): return self.add_new_tab() current_url = QUrl(self.tabs.currentWidget())#'https://www.hao123.com/?tn=88093251_99_hao_pg') if current_url.scheme() == '': current_url.setScheme('http') self.tab_save.url=self.urlbar.text() self.tabs.currentWidget().load(current_url) #self.urlbar.setText(url.toString()) #self.urlbar.setCursorPosition(0) # 添加新的标签页 def add_new_tab(self): # 设置浏览器 self.browser = WebView(self) self.browser.load(QUrl('https://www.hao123.com/?tn=88093251_99_hao_pg'))#chrome://newtab #self.browser.load(QUrl('chrome://newtab')) # 为标签添加索引方便管理 i = self.tabs.addTab(self.browser, 'Blank') self.tabs.setCurrentIndex(i) qurl=QUrl('https://www.hao123.com/?tn=88093251_99_hao_pg') self.tab_save.url='https://www.hao123.com/?tn=88093251_99_hao_pg' self.browser.urlChanged.connect(lambda qurl, browser=self.browser: self.renew_urlbar(qurl, self.browser)) # 将标签标题改为网页相关的标题 self.browser.loadFinished.connect(lambda _, i=i, browser=self.browser: self.tabs.setTabText(i, self.browser.page().title())) # 双击标签栏打开新页面 def tab_open(self, i=-1): if i == -1: self.add_new_tab() def current_tab_changed(self, i): qurl = self.tabs.currentWidget().url() self.renew_urlbar(qurl, self.tabs.currentWidget()) def close_current_tab(self, i): # 若当前标签页只有一个则不关闭 if self.tabs.count() < 2: exit() return self.tabs.removeTab(i) if __name__ == '__main__': my_application = QApplication(sys.argv) #创建QApplication类的实例 main_demo = MainDemo() main_demo.show() my_application.exec_()