39 lines
982 B
Python
39 lines
982 B
Python
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#!/usr/bin/env python
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'''
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（1）QML显式的调用Python函数
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定义一个类，并继承QtCore.QObject对象，并使用@修饰符修饰pyqtSlot
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创建rootContext对象，并使用setContextProperty（string, object）注册对象，
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这样在QML中就可以调用这个函数了。
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这个例子运行后，如果点击鼠标的话，会在控制台打印字符串。
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'''
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from PyQt5.QtCore import QUrl, QObject, pyqtSlot
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from PyQt5.QtGui import QGuiApplication
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from PyQt5.QtQuick import QQuickView
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class MyClass(QObject):
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@pyqtSlot(str) # 输入参数为str类型
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def outputString(self, string):
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print(string)
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if __name__ == '__main__':
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app = QGuiApplication([])
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path = 'test.qml' # 加载的QML文件
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con = MyClass()
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view = QQuickView()
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view.engine().quit.connect(app.quit)
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view.setSource(QUrl(path))
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context = view.rootContext()
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context.setContextProperty("con", con)
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view.show()
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app.exec_()
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