pyquery类似于jquery语法,可以对html文本进行解析:pip3 install pyquery
from pyquery import PyQuery
import requests
pq = PyQuery(html文档)
pq('css'选择器)
items():获取到多个标签,使用items()将PyQuery转化成一个生成器对象,然后使用for in 循环
filter('css选择器'):过滤
text():获取标签的文本
attr('属性名'):获取属性值
'''
def tencentJob(full):
# 职位列表页源码
html = load_data(full_url)
next_url = parse_page_data(html)
if next_url != 'javascript:;':
next_url = 'https://hr.tencent.com/'+ next_url
tencentJob(next_url)
def load_data(url):
"""
发起请求获取职位列表页源码
"""
req_header = {
'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3534.4 Safari/537.36'
}
response = requests.get(url,headers=req_header)
if response.status_code == 200:
return response.text
def parse_page_data(html):
"""
解析职位列表的源码数据,获取源码数据及职位详情页中的内容,返回职位列表下一页的url
:param html:
:return:
"""
# 实例化pyquery对象
html_pq = PyQuery(html)
# 提取职位列表
# tr_even = html_pq('tr.even') # 1
tr_even = html_pq('tr').filter('.even')
tr_odd = html_pq('tr').filter('.odd')
tr_all = tr_even + tr_odd
tr_all = tr_all.items()
print(type(tr_even),tr_even)
print(type(tr_odd),tr_odd)
for tr in tr_all:
jobinfo = {}
# 标题(使用.text取出文本)
jobinfo['title'] = tr('td.l.square a').text()
print(type(jobinfo))
# 取出详情页地址a的href属性
detail_url = 'https://hr.tencent.com/'+tr('td.l.square a').attr('href')
# 职位类型:获取索引位置的值
jobinfo['type'] = tr('td').eq(1).text()
# 人数
jobinfo['count'] = tr('td').eq(2).text()
# 地点
jobinfo['address'] = tr('td').eq(3).text()
# 发布时间
jobinfo['publishTime'] = tr('td').eq(4).text()
# 工作详情内容
html = load_data(detail_url)
jobinfo['content'] = parse_detail_data(html)
# 提取下一页url地址
next_url = html_pq('a').filter('#next').attr('href')
return next_url
def parse_detail_data(html):
"""
解析详情数据
:param html:
:return:
"""
# 实例化pq属性
html_pq = PyQuery(html)
# 提取详情内容所在的li标签
lis = html_pq('ul.squareli li')
content = []
for li in lis.items():
li_text = li.text()
content.append(li_text)
return ''.join(content)
if __name__ == '__main__':
# 设置起始偏移量
offset = 0
# 拼接完整url地址
full_url = 'https://hr.tencent.com/position.php?&start='+ str(offset)
tencentJob(full_url)
\
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