32 lines
900 B
Python
32 lines
900 B
Python
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#!/usr/bin/env python
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'''
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（3）QML连接信号到Python
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当QML触发事件的时候，发射一个信号给Python，此时Python调用一个函数。
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先在QML中定义一个信号，
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然后在捕获事件的时候，发射信号，
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最后Python中创建一个rootObject对象，然后连接这个对象，
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这个例子中，当点击鼠标的时候，控制台会打印信息。
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'''
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from PyQt5.QtCore import QUrl
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from PyQt5.QtGui import QGuiApplication
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from PyQt5.QtQuick import QQuickView
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def outputString(string):
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print(string)
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if __name__ == '__main__':
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path = 'test3.qml' # 加载的QML文件
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app = QGuiApplication([])
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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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view.show()
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context = view.rootObject()
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context.sendClicked.connect(outputString) # 连接QML信号sendCLicked
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app.exec_()
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