Python 如何在QTreeWidget中获取单击的项目?

Python 如何在QTreeWidget中获取单击的项目?,python,python-3.x,pyqt,pyqt5,qtreewidget,Python,Python 3.x,Pyqt,Pyqt5,Qtreewidget,我有一个二维QTreeWidget,如何通过单击它来获取项目?我使用PyQt5。我有这部分代码,但它只获取所选行的第一项(或通过更改baseNode.text(#)获得的任何其他项) 您只需使用QTreeWidgetItem和单击的列发送的信号: 例如: from PyQt5 import QtCore, QtGui, QtWidgets class Widget(QtWidgets.QWidget): def __init__(self, parent=None):

我有一个二维QTreeWidget,如何通过单击它来获取项目?我使用PyQt5。我有这部分代码,但它只获取所选行的第一项(或通过更改baseNode.text(#)获得的任何其他项)

您只需使用
QTreeWidgetItem
和单击的列发送的信号:

例如:

from PyQt5 import QtCore, QtGui, QtWidgets


class Widget(QtWidgets.QWidget):
    def __init__(self, parent=None):
        super(Widget, self).__init__(parent)
        lay = QtWidgets.QVBoxLayout(self)
        tree = QtWidgets.QTreeWidget()
        tree.setColumnCount(2)
        lay.addWidget(tree)

        for i in range(4):
            parent_it = QtWidgets.QTreeWidgetItem(["{}-{}".format(i, l) for l in range(2)])
            tree.addTopLevelItem(parent_it)
            for j in range(5):
                it = QtWidgets.QTreeWidgetItem(["{}-{}-{}".format(i, j, l) for l in range(2)])
                parent_it.addChild(it)
        tree.expandAll()

        tree.itemClicked.connect(self.onItemClicked)

    @QtCore.pyqtSlot(QtWidgets.QTreeWidgetItem, int)
    def onItemClicked(self, it, col):
        print(it, col, it.text(col))


if __name__ == '__main__':
    import sys

    app = QtWidgets.QApplication(sys.argv)
    w = Widget()
    w.show()
    sys.exit(app.exec_())
您只需使用
QTreeWidgetItem
和单击的列发送的信号:

例如:

from PyQt5 import QtCore, QtGui, QtWidgets


class Widget(QtWidgets.QWidget):
    def __init__(self, parent=None):
        super(Widget, self).__init__(parent)
        lay = QtWidgets.QVBoxLayout(self)
        tree = QtWidgets.QTreeWidget()
        tree.setColumnCount(2)
        lay.addWidget(tree)

        for i in range(4):
            parent_it = QtWidgets.QTreeWidgetItem(["{}-{}".format(i, l) for l in range(2)])
            tree.addTopLevelItem(parent_it)
            for j in range(5):
                it = QtWidgets.QTreeWidgetItem(["{}-{}-{}".format(i, j, l) for l in range(2)])
                parent_it.addChild(it)
        tree.expandAll()

        tree.itemClicked.connect(self.onItemClicked)

    @QtCore.pyqtSlot(QtWidgets.QTreeWidgetItem, int)
    def onItemClicked(self, it, col):
        print(it, col, it.text(col))


if __name__ == '__main__':
    import sys

    app = QtWidgets.QApplication(sys.argv)
    w = Widget()
    w.show()
    sys.exit(app.exec_())

这意味着项目没有子项目。这意味着项目没有子项目。