python pyqt5 QTreeWidget

image.png

image.png

image.png

!/usr/bin/env python3

'''
【简介】
PyQT5中 QTreeWidget 例子

'''

import sys
from PyQt5.QtWidgets import *
from PyQt5.QtGui import QIcon, QBrush, QColor
from PyQt5.QtCore import Qt

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'])
# 设置根节点
root = QTreeWidgetItem(self.tree)
root.setText(0, 'root')
root.setIcon(0, QIcon("./images/root.png"))
# 设置列宽
self.tree.setColumnWidth(0, 160)

    ### 设置节点的背景颜色
    # brush_red = QBrush(Qt.red)
    # root.setBackground(0, brush_red)
    # brush_green = QBrush(Qt.green)
    # root.setBackground(1, brush_green)

    # 设置子节点1
    child1 = QTreeWidgetItem(root)
    child1.setText(0, 'child1')
    child1.setText(1, 'ios')
    child1.setIcon(0, QIcon("./images/IOS.png"))
    child1.setCheckState(0, Qt.Checked)

    # 设置子节点2
    child2 = QTreeWidgetItem(root)
    child2.setText(0, 'child2')
    child2.setText(1, '')
    child2.setIcon(0, QIcon("./images/android.png"))

    # 设置子节点3
    child3 = QTreeWidgetItem(child2)
    child3.setText(0, 'child3')
    child3.setText(1, 'android')
    child3.setIcon(0, QIcon("./images/music.png"))

    self.tree.addTopLevelItem(root)
    # 结点全部展开
    self.tree.expandAll()

    self.setCentralWidget(self.tree)

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