py_js_communicate_demo

import os import sys import time import uuid import pythoncom import win32api import win32con from PyQt5 import QtCore, QtGui, QtWidgets, QtWebEngineWidgets from PyQt5.QtCore import QUrl, Qt, QSharedMemory from PyQt5.QtGui import QIcon, QCursor from PyQt5.QtWebChannel import QWebChannel from PyQt5.QtWebEngineWidgets import QWebEngineView from PyQt5.QtWidgets import QApplication, QTabWidget, QWidget, QDesktopWidget, QMenu, QAction, QMessageBox, QMainWindow from loguru import logger from win32comext.shell import shell import bridge.Bridge from resources.browser import Ui_Form_browser from resources.frozen_dir import app_path class POS(QWidget): def __init__(self, parent=None): super(POS, self).__init__(parent) self.setStyleSheet("border:1px solid rgb(217,223,229);") self.setDocumentMode(True) self.m_Position = None self.m_flag = None self.title = None self.channel = None self.bridge = None self.tabBrowser = QWidget() self.tabBrowserUI() self.setWindowFlags(Qt.FramelessWindowHint) def tabBrowserUI(self): # 定义一个channel全局对象，用于注册一些对象提供给html页面中的JS代码调用 self.channel = QWebChannel() # 定义一个对象，其中包含槽函数，注册到channel可以传递给JS代码 self.bridge = bridge.Bridge.BridgeClass() # 将factorial对象注册到channel中，名字为obj，JS中使用这个名字来调用函数 self.channel.registerObject("Bridge", self.bridge) # 将channel传递给html中的JS self.title.widget_browser.page().setWebChannel(self.channel) if __name__ == '__main__': print("hello")