Python QListView教程的实现

pip install PyQt5  # 或者 pip install PyQt6

import sys
from PyQt5.QtWidgets import QApplication, QListView, QWidget, QVBoxLayout  # PyQt5用户
# 或者
# from PyQt6.QtWidgets import QApplication, QListView, QWidget, QVBoxLayout  # PyQt6用户
from PyQt5.QtGui import QStandardItemModel, QStandardItem  # PyQt5用户，用于创建和管理模型中的数据
# 或者
# from PyQt6.QtCore import QStringListModel  # PyQt6用户，另一个常用的模型类

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

    def initUI(self):
        self.listView = QListView(self)
        self.model = QStandardItemModel()
        
        # 添加一些项目到模型中
        items = ["Item 1", "Item 2", "Item 3", "Item 4"]
        for item in items:
            standardItem = QStandardItem(item)
            self.model.appendRow(standardItem)
        
        self.listView.setModel(self.model)
        
        layout = QVBoxLayout()
        layout.addWidget(self.listView)
        self.setLayout(layout)
        self.setWindowTitle('QListView Example')

# 主程序
if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = ListViewExample()
    ex.show()
    sys.exit(app.exec_())

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QListView  # PyQt5用户
# 或者
# from PyQt6.QtWidgets import QApplication, QMainWindow, QListView  # PyQt6用户
from PyQt5.QtGui import QStringListModel  # PyQt5用户
# 或者
# from PyQt6.QtCore import QStringListModel  # PyQt6用户

app = QApplication(sys.argv)
main_window = QMainWindow()
main_window.setWindowTitle("QListView 示例")
main_window.setGeometry(100, 100, 400, 300)

list_view = QListView(main_window)
list_view.setGeometry(50, 50, 300, 200)

model = QStringListModel()
data = ["苹果", "香蕉", "橙子", "葡萄", "草莓"]
model.setStringList(data)
list_view.setModel(model)

main_window.show()
sys.exit(app.exec_())

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QListView, QPushButton, QMessageBox
from PyQt5.QtGui import QStandardItemModel, QStandardItem

class QListviewDemo(QWidget):
    def __init__(self, *args, **kwargs):
        super(QListviewDemo, self).__init__(*args, **kwargs)
        self.setWindowTitle("QListviewDemo")
        self.resize(400, 400)
        self.layout = QVBoxLayout(self)
        
        self.qlistview = QListView()
        self.layout.addWidget(self.qlistview)
        
        self.mode = QStandardItemModel(5, 1)
        for i in range(self.mode.rowCount()):
            item = QStandardItem("item%d" % i)
            self.mode.setItem(i, 0, item)
        self.mode.insertRow(5, QStandardItem("item0"))
        self.qlistview.setModel(self.mode)
        
        hlayout = QVBoxLayout()
        self.add_btn = QPushButton("增", clicked=self.on_add_btn_clicked)
        self.del_btn = QPushButton("删", clicked=self.on_del_btn_clicked)
        self.sort_btn = QPushButton("排序", clicked=self.on_sort_btn_clicked)
        
        hlayout.addWidget(self.add_btn)
        hlayout.addWidget(self.del_btn)
        hlayout.addWidget(self.sort_btn)
        self.layout.addLayout(hlayout)
        
    def on_add_btn_clicked(self):
        num = self.mode.rowCount()
        self.mode.appendRow(QStandardItem("item%d" % (num + 1)))
        
    def on_del_btn_clicked(self):
        num = self.mode.rowCount()
        if num > 0:
            self.mode.removeRow(num - 1)
        
    def on_sort_btn_clicked(self):
        self.mode.sort(0)

if __name__ == '__main__':
    app = QApplication(sys.argv)
    test = QListviewDemo()
    test.show()
    sys.exit(app.exec_())