使用模型和视图。
"""An example of how to use models and views in PyQt4.
Model/view documentation can be found at
http://doc.qt.nokia.com/latest/model-view-programming.html.
"""
import sys
from PyQt4.QtGui import (QApplication, QColumnView, QFileSystemModel,
QSplitter, QTreeView)
from PyQt4.QtCore import QDir, Qt
if __name__ == '__main__':
app = QApplication(sys.argv)
# Splitter to show 2 views in same widget easily.
splitter = QSplitter()
# The model.
model = QFileSystemModel()
# You can setRootPath to any path.
model.setRootPath(QDir.rootPath())
# List of views.
views = []
for ViewType in (QColumnView, QTreeView):
# Create the view in the splitter.
view = ViewType(splitter)
# Set the model of the view.
view.setModel(model)
# Set the root index of the view as the user's home directory.
view.setRootIndex(model.index(QDir.homePath()))
# Show the splitter.
splitter.show()
# Maximize the splitter.
splitter.setWindowState(Qt.WindowMaximized)
# Start the main loop.
sys.exit(app.exec_())
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