import sys

from PyQt4.QtGui import *

class Browser(QWidget):

    def __init__(self):

        super(Browser, self).__init__()

        self.resize(700, 600)

        self.setWindowTitle("File Browser")

        self.treeView = QTreeView()

        self.fileSystemModel = QFileSystemModel(self.treeView)

        self.fileSystemModel.setReadOnly(False)

        root = self.fileSystemModel.setRootPath("/")

        self.treeView.setModel(self.fileSystemModel)

        self.treeView.setRootIndex(root)

        Layout = QVBoxLayout(self)

        Layout.addWidget(self.treeView)

        self.setLayout(Layout)

if __name__ == "__main__":

    app = QApplication(sys.argv)

    main = Browser()

    main.show()

    sys.exit(app.exec_())

pyqt练习x3.12