用python自帶的xml.etree.ElementTree模塊和xml.dom.minidom模塊生成xml文件標籤的屬性時,屬性順序會按照字典順序重排,要想按照自己設定順序來,可以使用lxml模塊,lxml模塊不是python自帶的,需要自己安裝,安裝方法見上一篇博客。
lxml模塊用法的例子如下:
from lxml import etree
if __name__ == '__main__':
#root = etree.Element("root")
root = etree.Element("root",nsmap={'xsi': 'http://b.c/d'})
root.set("xsiinteresting", "totally")
child1 = etree.SubElement(root, "child1" )
child1.set("interesting", "totally")
child1.text = "TEXT"
child2 = etree.SubElement(root, "child2")
child2.set("name", "myattr1")
child2.set("auto", "myattr2")
child3 = etree.SubElement(child2, "child3")
child3.text = "TEXT"
child4 = etree.SubElement(child2, "child4")
child4.text = "TEXT"
child5 = etree.SubElement(child2, "child5")
child6 = etree.SubElement(child5, "child6")
child6.text = "TEXT"
child7 = etree.SubElement(child5, "child7")
child7.text = "TEXT"
#root.append( etree.Element("child1") )
#root.append( etree.Element("child1", interesting="totally"))
#child2 = etree.SubElement(root, "child2")
#child3 = etree.SubElement(root, "child3")
#root.insert(0, etree.Element("child0"))
print etree.tostring(root, pretty_print=True)
# write to file:
tree = etree.ElementTree(root)
tree.write('text.xml', pretty_print=True, xml_declaration=True, encoding='utf-8')