PyQt可以使用QTreeView来显示一个目录结构，要将treeview显示为目录树，需要将其模型设置为QFileSystemModel实例。
import sys
from PyQt5.QtWidgets import QApplication, QFileSystemModel, QTreeView, QWidget, QVBoxLayout
from PyQt5.QtGui import QIcon
class App(QWidget):
def __init__(self):
super().__init__()
self.title = 'PyQt5 file system view - pythonspot.com'
self.left = 10
self.top = 10
self.width = 640
self.height = 480
self.initUI()
def initUI(self):
self.setWindowTitle(self.title)
self.setGeometry(self.left, self.top, self.width, self.height)
self.model = QFileSystemModel()
self.model.setRootPath('')
self.tree = QTreeView()
self.tree.setModel(self.model)
self.tree.setAnimated(False)
self.tree.setIndentation(20)
self.tree.setSortingEnabled(True)
self.tree.setWindowTitle("Dir View")
self.tree.resize(640, 480)
windowLayout = QVBoxLayout()
windowLayout.addWidget(self.tree)
self.setLayout(windowLayout)
self.show()
if __name__ == '__main__':
app = QApplication(sys.argv)
ex = App()
sys.exit(app.exec_())
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