如何从 PyQt 中的 QListView 中选择项目

我是 PyQt 的新手。所以我试图从 QListView 中获取所选项目，我能够获取所选项目的索引，但我无法获取索引的值，请有人帮助我。

这是代码：

import sys
import os

from PyQt4 import QtCore, QtGui
from PyQt4.QtCore import * 
from PyQt4.QtGui import * 

class asset(QtGui.QDialog):

    def __init__(self,parent=None):
        super(asset, self).__init__(parent)
        self.assetList = QtGui.QListView(self)
        self.assetList.clicked.connect(self.on_treeView_clicked)

        ######################################################################
        # ----------------- ADD ITEMS----------------------------------------
        ######################################################################

        list_data = listDirs('D:\\')
        dir = listModel(list_data)
        self.assetList.setModel(dir)

        self.setStyleSheet('''

                            *{
                            background-color : rgb(65,65,65);
                            color : rgb(210,210,210);
                            alternate-background-color:rgb(55,55,55);
                            }

                            QTreeView,QListView,QLineEdit{
                            background-color : rgb(50,50,50);
                            color : rgb(210,210,210);
                            }

                            '''
                           )
        self.setFocus()

    @QtCore.pyqtSlot(QtCore.QModelIndex)
    def on_treeView_clicked(self, index):
        itms = self.assetList.selectedIndexes()
        for it in itms:
            print 'selected item index found at %s' % it.row()

class listModel(QAbstractListModel): 
    def __init__(self, datain, parent=None, *args): 
        """ datain: a list where each item is a row
        """
        QAbstractListModel.__init__(self, parent, *args) 
        self.listdata = datain

    def rowCount(self, parent=QModelIndex()): 
        return len(self.listdata) 

    def data(self, index, role): 
        if index.isValid() and role == Qt.DisplayRole:
            return QVariant(self.listdata[index.row()])
        else: 
            return QVariant()

def listDirs(*path):
    completePath = os.path.join(*path)
    dirs = os.listdir(os.path.abspath(completePath))
    outputDir = []
    for dir in dirs:
        if os.path.isdir(os.path.join(completePath,dir)):
            outputDir.append(dir)
    return outputDir



if __name__ == "__main__":

    app = QtGui.QApplication(sys.argv)
    app.setStyle('plastique')
    main = asset()
    main.resize(200,200)
    main.show()
    sys.exit(app.exec_())   

Thanks !

您可以使用便捷的方法data of QModelIndex。它返回一个QVariant。只需将其转换为您会使用的东西，例如QString with .toString:

print 'selected item index found at %s with data: %s' % (it.row(), it.data().toString())

顺便一提，QListView.clicked会给你索引。除非您有多项选择，或覆盖默认选择行为，否则它将是唯一选定的项目。你不需要循环selectedIndexes():

@QtCore.pyqtSlot(QtCore.QModelIndex)
def on_treeView_clicked(self, index):
    print 'selected item index found at %s with data: %s' % (index.row(), index.data().toString())