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  • pyqt5 树节点点击实现多窗口切换

    # coding=utf-8
    
    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("background-color:#eeeeee;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
            self.stackedWidget.addWidget(self.form1)
            self.stackedWidget.addWidget(self.form2)
    
            # 树节点监听事件
            self.tree.clicked.connect(self.onClicked)
    
    
            # 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()
            print('Key=%s,value=%s'%(item.text(0),item.text(1)))
            if item.text(0) == '增加人员信息':
                self.on_pushButton1_clicked()
            elif item.text(0) == '查询人员信息':
                self.on_pushButton2_clicked()
            else:
                print('返回主界面')
    
    
        # 按钮一:打开第一个面板
        def on_pushButton1_clicked(self):
            self.stackedWidget.setCurrentIndex(0)
    
        # 按钮二:打开第二个面板
        def on_pushButton2_clicked(self):
            self.stackedWidget.setCurrentIndex(1)
    
    
    if __name__ == '__main__':
        app = QApplication(sys.argv)
        ex = Example()
        sys.exit(app.exec_())
    

      

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  • 原文地址:https://www.cnblogs.com/pythonClub/p/10260707.html
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