mirror of
https://github.com/muziing/PySide6-Code-Tutorial.git
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77 lines
1.9 KiB
Python
77 lines
1.9 KiB
Python
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import sys
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from PySide6 import QtCore, QtWidgets
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"""
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QComboBox
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设置是否具有边框，默认值为True
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.setFrame(enable: bool)
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.hasFrame() -> bool
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当设置了无效索引时将显示占位文本
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.setPlaceholderText(placeholder_text: str)
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.placeholderText() -> str
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清空条目与清空单行编辑器功能
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.clear()
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.clearEditText()
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可以通过调用方法来编程弹出/收回下拉框
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.showPopup()
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.hidePopup()
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设置补全器与验证器（详细内容见本项目QCompleter、QValidator章节）
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.setCompleter(completer: QCompleter)
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.setValidator(validator: QValidator)
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"""
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class MyWidget(QtWidgets.QWidget):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.setWindowTitle("空白测试模板")
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self.resize(800, 600)
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self.setup_ui()
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self.test()
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def setup_ui(self) -> None:
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"""设置界面"""
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self.cbb = QtWidgets.QComboBox(self)
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self.cbb.move(200, 200)
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self.cbb.addItems([str(i) for i in range(100, 105)]) # 通过列表推导式快速添加多个条目
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self.button = QtWidgets.QPushButton("测试按钮", self)
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self.button.move(400, 200)
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def test(self) -> None:
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"""测试combobox功能"""
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# 允许编辑
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self.cbb.setEditable(True)
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# 设置边框
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self.cbb.setFrame(False)
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@QtCore.Slot()
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def test_popup():
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"""测试弹出下拉框功能"""
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self.cbb.showPopup()
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# self.cbb.hidePopup()
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self.button.clicked.connect(test_popup) # type: ignore
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# 测试补全器
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self.cbb.setCompleter(QtWidgets.QCompleter(["abc", "106", "1001"]))
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# 测试清空
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self.cbb.clearEditText() # 清除单行编辑器中的文本
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# self.cbb.clear() # 清除所有条目
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if __name__ == "__main__":
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app = QtWidgets.QApplication(sys.argv)
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window = MyWidget()
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window.show()
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sys.exit(app.exec())
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