forked from secondtonone1/python-
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathlxmldemo.py
More file actions
54 lines (48 loc) · 2.02 KB
/
Copy pathlxmldemo.py
File metadata and controls
54 lines (48 loc) · 2.02 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#-*-coding:utf-8-*-
import requests
import re
import time
from lxml import etree
if __name__ == "__main__":
text = '''
<div class="bus_vtem">
<a href="https://www.aisinei.org/thread-17826-1-1.html" title="XINGYAN星颜社 2018.11.09 VOL.096 唐思琪 [47+1P]" class="preview" target="_blank">
<img src="https://i.asnpic.win/block/74/74eab64cfa4229d58c19a64970368178.jpg" width="250" height="375" alt="XINGYAN星颜社 2018.11.09 VOL.096 唐思琪 [47+1P]"/>
<span class="bus_listag">XINGYAN星颜社</span>
</a>
<a href="https://www.aisinei.org/thread-17826-1-1.html" title="XINGYAN星颜社 2018.11.09 VOL.096 唐思琪 [47+1P]" target="_blank">
<div class="lv-face"><img src="https://www.aisinei.org/uc_server/avatar.php?uid=2&size=small" alt="发布组小乐"/></div>
<div class="t">XINGYAN星颜社 2018.11.09 VOL.096 唐思琪 </div>
<div class="i"><span><i class="bus_showicon bus_showicon_v"></i>5401</span><span><i class="bus_showicon bus_showicon_r"></i>1</span></div>
</a>
</div>
'''
html = etree.HTML(text)
result = etree.tostring(html)
#打印lxml生成的字符串，如果html格式不全，会自动补全
#print(result.decode('utf-8'))
# 打印根节点下所有子孙节点
result2 = html.xpath('//*')
#print(result2)
result3 = html.xpath('//a[@class="preview"]')
print(result3)
result4 = html.xpath('//a[@class="preview"]/../@class')
print(result4)
text2 = '''
<div class="bus_vtem mtest"> hurricane!
</div>
'''
html2 = etree.HTML(text2)
result5 = html2.xpath('//*[contains(@class, "mtest")]')
# 错误用法
#result5 = html.xpath('//*[@class="mtest"]')
print(result5)
text3 = '''
<div class="bus_vtem mtest" name="hurricane"> hurricane!
</div>
<div class="bus_vtem mtest" name = "tornado"> tornado!
</div>
'''
html3 = etree.HTML(text3)
result6 = html3.xpath('//*[contains(@class, "mtest") and @name="hurricane"]/text()')
print(result6)