[pyqt5]QListView增删改查和添加右键菜单

        slm = QStringListModel()  # 创建model
        slm.setStringList(['111', '222', '333'])  # 将数据设置到model
        self.listView.setModel(slm)

        model_index = slm.index(0, 0)
        self.listView.setCurrentIndex(model_index)
        slm.setData(model_index, (255, 0, 0), Qt.BackgroundColorRole)

slm = QStringListModel()  # 创建model
slm.setStringList(['111', '222', '333'])  # 将数据设置到model
self.listView.setModel(slm)
slm.setData(slm.index(1), "aaaaa")

 indexes = self.listView.selectedIndexes()
        if indexes:
            index = indexes[0]
            slm.removeRow(index.row())

 row = slm.rowCount()
 value = '444'
 slm.insertRow(row)
 slm.setData(slm.index(row), value)

 self.listView.setContextMenuPolicy(3)
 self.listView.customContextMenuRequested[QPoint].connect(self.listWidgetContext)

 def listWidgetContext(self, point):
     popMenu = QMenu()
     popMenu.addAction("添加")
     popMenu.addAction("修改")
     popMenu.addAction("删除")
     popMenu.exec_(QCursor.pos())

        slm = QStringListModel()  # 创建model
        slm.setStringList([])  # 将数据设置到model
        self.listView.setModel(slm)

       data_list = [{'img': "football.png", "title": "足球"},
              {"img": "basketball.png", "title": "篮球"},
              {"img": "valleyball.png", "title": "排球"}]

        model = QStandardItemModel()
        for data in self.data_list:
            item = QStandardItem(QIcon(data["img"]), data["title"])
            model.appendRow(item)
        self.listView.setModel(model)

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'listviewtest.ui'
#
# Created by: PyQt5 UI code generator 5.15.7
#
# WARNING: Any manual changes made to this file will be lost when pyuic5 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import QStringListModel, Qt, QPoint
from PyQt5.QtGui import QCursor
from PyQt5.QtWidgets import QMenu


class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(800, 600)
        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.listView = QtWidgets.QListView(self.centralwidget)
        self.listView.setGeometry(QtCore.QRect(100, 30, 551, 441))
        self.listView.setObjectName("listView")

        slm = QStringListModel()  # 创建model
        slm.setStringList(['111', '222', '333'])  # 将数据设置到model
        self.listView.setModel(slm)

        # 设置选择某行
        model_index = slm.index(0, 0)
        self.listView.setCurrentIndex(model_index)
        slm.setData(model_index, (255, 0, 0), Qt.BackgroundColorRole)
        # 删除某行
        indexes = self.listView.selectedIndexes()
        if indexes:
            index = indexes[0]
            slm.removeRow(index.row())
        # 添加某行
        row = slm.rowCount()
        value = '444'
        slm.insertRow(row)
        slm.setData(slm.index(row), value)
        # 添加右键菜单
        self.listView.setContextMenuPolicy(3)
        self.listView.customContextMenuRequested[QPoint].connect(self.listWidgetContext)

        # 清空列表
        # slm = QStringListModel()  # 创建model
        # slm.setStringList([])  # 将数据设置到model
        # self.listView.setModel(slm)

        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 800, 30))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def listWidgetContext(self, point):
        popMenu = QMenu()
        popMenu.addAction("添加")
        popMenu.addAction("修改")
        popMenu.addAction("删除")
        popMenu.exec_(QCursor.pos())

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))


if __name__ == "__main__":
    import sys

    app = QtWidgets.QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())