PyQt-从XML到QTreeWidget

PyQt-从XML到QTreeWidget

看来您可以使用QXmlDefaultHandler来做到这一点。

这是一个简单的演示脚本，显示了如何使用它：

from PyQt4 import QtCore, QtGui, QtXmlclass XmlHandler(QtXml.QXmlDefaultHandler):    def __init__(self, root):        QtXml.QXmlDefaultHandler.__init__(self)        self._root = root        self._item = None        self._text = ''        self._error = ''    def startElement(self, namespace, name, qname, attributes):        if qname == 'folder' or qname == 'item': if self._item is not None:     self._item = QtGui.QTreeWidgetItem(self._item) else:     self._item = QtGui.QTreeWidgetItem(self._root) self._item.setData(0, QtCore.Qt.UserRole, qname) self._item.setText(0, 'Unknown Title') if qname == 'folder':     self._item.setExpanded(True) elif qname == 'item':     self._item.setText(1, attributes.value('type'))        self._text = ''        return True    def endElement(self, namespace, name, qname):        if qname == 'title': if self._item is not None:     self._item.setText(0, self._text)        elif qname == 'folder' or qname == 'item': self._item = self._item.parent()        return True    def characters(self, text):        self._text += text        return True    def fatalError(self, exception):        print('Parse Error: line %d, column %d:n  %s' % (   exception.lineNumber(),   exception.columnNumber(),   exception.message(),   ))        return False    def errorString(self):        return self._errorclass Window(QtGui.QTreeWidget):    def __init__(self):        QtGui.QTreeWidget.__init__(self)        self.header().setResizeMode(QtGui.QHeaderView.Stretch)        self.setHeaderLabels(['Title', 'Type'])        source = QtXml.QXmlInputSource()        source.setData(xml)        handler = XmlHandler(self)        reader = QtXml.QXmlSimpleReader()        reader.setContentHandler(handler)        reader.setErrorHandler(handler)        reader.parse(source)xml = """<root>    <folder>        <title>Folder One</title>        <item type="1"> <title>Item One</title>        </item>        <item type="1"> <title>Item Two</title>        </item>        <item type="2"> <title>Item Three</title>        </item>        <folder> <title>Folder Two</title> <item type="3">     <title>Item Four</title> </item> <item type="0">     <title>Item Five</title> </item> <item type="1">     <title>Item Six</title> </item>        </folder>    </folder>    <folder>        <title>Folder Three</title>        <item type="0"> <title>Item Six</title>        </item>        <item type="2"> <title>Item Seven</title>        </item>        <item type="2"> <title>Item Eight</title>        </item>    </folder></root>"""if __name__ == '__main__':    import sys    app = QtGui.QApplication(sys.argv)    window = Window()    window.resize(400, 300)    window.show()    sys.exit(app.exec_())