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# encoding: utf-8

__author__ = 'liuzhijun'

from lxml import etree

text = '''

<div class="col">

<div class="footer-title">Sitemap</div>

<ul class="list-unstyled">

<li><a href="https://foofish.net/categories.html">分类</a></li>

<li><a href="https://foofish.net/tags.html">标签</a></li>

<li><a href="https://foofish.net/pages/about.html">关于</a></li>

<li><a href="https://foofish.net/feeds/all.atom.xml" type="application/atom+xml" rel="alternate"></a></li>

<li><a href="https://foofish.net/feeds/rss.xml" type="application/rss+xml" rel="alternate">RSS</a></li>

</ul>

</div>

'''

html = etree.XML(text)

html = etree.fromstring(text)

for i in html.xpath("//@class"):

print(i)

# print(etree.tostring(i))

# print(etree.tostring(html.xpath("//div")))

#

#

# result = etree.tostring(html)

# print(result)

#

#

# # 构建一个 root 元素节点

#

# root = etree.Element("root")

# print(root)

#

# # tag是元素节点的名称

# print(root.tag)

#

#

# # 添加子节点元素

#

# ch1 = etree.SubElement(root, "ch1")

# ch2 = etree.SubElement(root, "ch2")

# ch3 = etree.SubElement(root, "ch3")

#

# # 输出xml内容

# print(etree.tostring(root))

#

# # 删除子节点

#

# root.remove(ch1)

# print(etree.tostring(root))

#

# # 清除所有节点(除根节点外)

# #root.clear()

# #print(etree.tostring(root))

#

# # 像列表一样操作元素

# ch = root[0]

# print(ch.tag)

# print(len(root))

# print(ch.getparent())

#

# for ch in root:

# print(ch.tag)

#

#

# # 创建属性(像字典一样)

# root = etree.Element("root", height="100")

# print(etree.tostring(root))

#

# # 获取属性值

# print(root.get("height"))

#

# # 设置属性

# root.set("size", "200")

# print(etree.tostring(root))

#

# # root.keys

# # root.items

#

# # 元素的文本操作

# print(root.text)

# root.text = "hellworld"

# print(etree.tostring(root))

#

#

# http://lxml.de/tutorial.html#the-element-class