pyqt5树状分隔画面

import sys
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import *


class Example(QWidget):
def __init__(self):
super().__init__()
self.initUI()

def initUI(self):
hbox = QHBoxLayout(self)
left = QFrame(self)
# QFrame 控件添加StyledPanel样式能使QFrame 控件之间的界限更加明显
# left.setFrameShape(QFrame.StyledPanel)
right = QFrame(self)
# right.setFrameShape(QFrame.StyledPanel)
splitter1 = QSplitter(Qt.Horizontal)
splitter1.addWidget(left)
splitter1.setSizes([20, ]) # 设置分隔条位置
splitter1.addWidget(right)
hbox.addWidget(splitter1)
self.setLayout(hbox)

# 树
self.tree = QTreeWidget(left)
self.tree.setStyleSheet("border:outset;color:#215b63;")
self.tree.setAutoScroll(True)
self.tree.setEditTriggers(QAbstractItemView.DoubleClicked | QAbstractItemView.EditKeyPressed)
self.tree.setTextElideMode(Qt.ElideMiddle)
# self.tree.setIndentation(30)
self.tree.setRootIsDecorated(True)
self.tree.setUniformRowHeights(False)
self.tree.setItemsExpandable(True)
self.tree.setAnimated(False)
self.tree.setHeaderHidden(True)
self.tree.setExpandsOnDoubleClick(True)
self.tree.setObjectName("tree")

# 设置根节点
root = QTreeWidgetItem(self.tree)
root.setText(0, '系统管理')
# 设置树形控件的列的宽度
# self.tree.setColumnWidth(0, 150)
# 设置子节点1
child1 = QTreeWidgetItem()
child1.setText(0, '增加人员信息')
root.addChild(child1)
# 设置子节点2
child2 = QTreeWidgetItem(root)
child2.setText(0, '查询人员信息')
# 加载根节点的所有属性与子控件
self.tree.addTopLevelItem(root)
# 设置stackedWidget
self.stackedWidget = QStackedWidget(right)

# 设置第一个面板
self.form1 = QWidget()
self.formLayout1 = QHBoxLayout(self.form1)
self.label1 = QLabel()
self.label1.setText("增加人员信息面板")
self.label1.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding))
self.label1.setAlignment(Qt.AlignCenter)
self.label1.setFont(QFont("Roman times", 50, QFont.Bold))
self.formLayout1.addWidget(self.label1)

# 设置第二个面板
self.form2 = QWidget()
self.formLayout2 = QHBoxLayout(self.form2)
self.label2 = QLabel()
self.label2.setText("查询人员信息面板")
self.label2.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding))
self.label2.setAlignment(Qt.AlignCenter)
self.label2.setFont(QFont("Roman times", 50, QFont.Bold))
self.formLayout2.addWidget(self.label2)

# 将两个面板，加入stackedWidget
forms = [self.form1, self.form2]
for form in forms:
self.stackedWidget.addWidget(form)

# 树节点监听事件 lambda用于给槽传参数
self.tree.clicked.connect(lambda: self.onClicked(self.tree_item_text()))

# 窗口最大化
self.showMaximized()
self.setWindowTitle('树窗口分隔案列')
self.show()

def onClicked(self, qmodeLindex):
item = self.tree.currentItem()
for line in qmodeLindex.keys():
if item.text(0) == line:
self.on_pushButton_clicked(qmodeLindex[line])
break

# 打开面板
def on_pushButton_clicked(self,id):
self.stackedWidget.setCurrentIndex(id)

# tree_item_text节点信息
def tree_item_text(self):
self.qmodeLindex = {'增加人员信息': 0, "查询人员信息": 1}
return self.qmodeLindex


if __name__ == '__main__':
app = QApplication(sys.argv)
ex = Example()
sys.exit(app.exec_())