PyQt5基礎學習-QListWidget(列表擴展器) 1.QListWidget().addItem(添加目錄) 2.QListWidget().itemClicked.connect(綁定點擊事件) 3.self.setCentralWidget(設置中心部件)

點擊列表，彈出的對話框顯示被點擊的選項

"""
擴展的列表控件(QListWidget)

QListView
"""
from PyQt5.QtWidgets import *
import sys

class ListWidgetDemo(QMainWindow):
    def __init__(self):
        super(ListWidgetDemo, self).__init__()
        self.setWindowTitle("QListWidget例子")
        self.resize(300, 270)
        self.listwidget = QListWidget()
        self.listwidget.addItem("item1")
        self.listwidget.addItem("item2")
        self.listwidget.addItem("item3")
        self.listwidget.addItem("item4")
        self.listwidget.addItem("item5")
        self.listwidget.itemClicked.connect(self.clicked)

        self.listwidget.setWindowTitle("demo")

        self.setCentralWidget(self.listwidget)

    def clicked(self, Index):
        QMessageBox.information(self, "QListWidget", "您選擇了:" +
                                self.listwidget.item(self.listwidget.row(Index)).text())

if __name__ == "__main__":
    app = QApplication(sys.argv)
    main = ListWidgetDemo()
    main.show()

    sys.exit(app.exec_())