python pyqt5 QTreeWidget 点击事件

image.png

!/usr/bin/env python3

'''
【简介】
PyQT5中 QTreeWidget 例子

'''

from PyQt5.QtWidgets import *
import sys

class TreeWidgetDemo(QMainWindow):
def init(self, parent=None):
super(TreeWidgetDemo, self).init(parent)
self.setWindowTitle('TreeWidget 例子')
self.tree = QTreeWidget()
# 设置列数
self.tree.setColumnCount(2)
# 设置头的标题
self.tree.setHeaderLabels(['Key', 'Value'])
root = QTreeWidgetItem(self.tree)
root.setText(0, 'root')
root.setText(1, '0')

    child1 = QTreeWidgetItem(root)
    child1.setText(0, 'child1')
    child1.setText(1, '1')

    child2 = QTreeWidgetItem(root)
    child2.setText(0, 'child2')
    child2.setText(1, '2')

    child3 = QTreeWidgetItem(root)
    child3.setText(0, 'child3')
    child3.setText(1, '3')

    child4 = QTreeWidgetItem(child3)
    child4.setText(0, 'child4')
    child4.setText(1, '4')

    child5 = QTreeWidgetItem(child3)
    child5.setText(0, 'child5')
    child5.setText(1, '5')

    self.tree.addTopLevelItem(root)
    self.tree.clicked.connect(self.onTreeClicked)

    self.setCentralWidget(self.tree)

def onTreeClicked(self, qmodelindex):
    item = self.tree.currentItem()
    print("key=%s ,value=%s" % (item.text(0), item.text(1)))

if name == 'main':
app = QApplication(sys.argv)
tree = TreeWidgetDemo()
tree.show()
sys.exit(app.exec_())