我正在开发一个 PyQt5 应用程序，它利用 QWebEngineView 加载 HTML 页面。 HTML 页面包含 JavaScript 代码，可打开用于输入值的弹出窗口。当我在 Web 浏览器中打开 HTML 文件时，代码按预期工作，但在 PyQt5 应用程序中加载时，弹出窗口不会打开。
我怀疑 QWebEngineView 中可能存在安全限制或限制，导致弹出窗口无法按预期打开。
下面是我的 PyQt5 代码的简化版本：
import sys
from PyQt5.QtCore import QUrl
from PyQt5.QtWebEngineWidgets import QWebEngineView
from PyQt5.QtWidgets import QApplication, QMainWindow, QVBoxLayout, QWidget
class MyWebView(QWebEngineView):
def __init__(self, parent=None):
super(MyWebView, self).__init__(parent)
file_path = r"path\to\index.html"
url = QUrl.fromLocalFile(file_path)
self.load(url)
class MainWindow(QMainWindow):
def __init__(self):
super(MainWindow, self).__init__()
self.setWindowTitle("Custom Form App")
self.setGeometry(100, 100, 800, 600)
central_widget = QWidget(self)
layout = QVBoxLayout(central_widget)
web_view = MyWebView(self)
layout.addWidget(web_view)
self.setCentralWidget(central_widget)
if __name__ == "__main__":
app = QApplication(sys.argv)
window = MainWindow()
window.show()
sys.exit(app.exec_())
index.html：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Custom Form Popup</title>
</head>
<body>
<p>Hello World</p>
<script>
function openPopup(defaultValues = {}) {
return new Promise((resolve) => {
const popupWindow = window.open('', 'Custom Form', `width=${300},height=${200},left=${300},top=${300}`);
const formHTML = `
<div id="customForm">
<label for="speedInput">Speed:</label>
<input type="text" id="speedInput" placeholder="Enter speed" value="${defaultValues.speed || ''}">
<label for="altitudeInput">Altitude:</label>
<input type="text" id="altitudeInput" placeholder="Enter altitude" value="${defaultValues.altitude || ''}">
<button onclick="submitForm()">Submit</button>
</div>
`;
popupWindow.document.write(formHTML);
popupWindow.submitForm = function() {
const speed = popupWindow.document.getElementById('speedInput').value;
const altitude = popupWindow.document.getElementById('altitudeInput').value;
resolve({ speed, altitude });
popupWindow.close();
};
});
}
openPopup({ speed: 50, altitude: 100 })
.then((enteredValues) => {
console.log('Entered Values:', enteredValues);
});
</script>
</body>
</html>
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