【python爬虫】网贷天眼平台表格数据抓取

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一、需求分析
抓取url:
http://www.p2peye.com/shuju/ptsj/

抓取字段：
昨日数据
排序平台名称成交额综合利率投资人借款周期借款人满标速度累计贷款余额资金净流入

二、python爬虫源代码

# -*- coding:utf-8*-
import sys
reload(sys)
sys.setdefaultencoding('utf-8')
import time
time1=time.time()
import requests
from lxml import etree
import re
import pandas as pdurl="http://www.p2peye.com/shuju/ptsj/"
head={"Host": "www.p2peye.com","Connection": "keep-alive","Cache-Control": "max-age=0","Upgrade-Insecure-Requests": "1","User-Agent": "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36","Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8","Accept-Encoding": "gzip, deflate, sdch","Accept-Language": "zh-CN,zh;q=0.8"
}html=requests.get(url,headers=head).content
selector=etree.HTML(html)num1=[]
name1=[]
total1=[]
rate1=[]
pnum1=[]
cycle1=[]
p1num1=[]
fuload1=[]
alltotal1=[]
capital1=[]#############用正则表达式匹配
num=re.findall('<td class="num">(.*?)</td>',html,re.S)
for each in num:print eachnum1.append(each)##############用xpath解析平台名称
name=selector.xpath('//td[@class="name"]//a/text()')
for each in name:print eachname1.append(each)#############用xpath解析成交额
total=selector.xpath('//td[@class="total"]/text()')
for each in total:print eachtotal1.append(each)#############用xpath解析综合利率
rate=selector.xpath('//td[@class="rate"]/text()')
for each in rate:print eachrate1.append(each)#############用xpath解析投资人
pnum=selector.xpath('//td[@class="pnum"]/text()')
for each in pnum:print eachpnum1.append(each)#############用xpath解析借款周期
cycle=selector.xpath('//td[@class="cycle"]/text()')
for each in cycle:print eachcycle1.append(each)#############用xpath解析借款人
p1num=selector.xpath('//td[@class="p1num"]/text()')
for each in p1num:print eachp1num1.append(each)#############用xpath解析满标速度
fuload=selector.xpath('//td[@class="fuload"]/text()')
for each in fuload:print eachfuload1.append(each)#############用xpath解析累计贷款余额
alltotal=selector.xpath('//td[@class="alltotal"]/text()')
for each in alltotal:print eachalltotal1.append(each)##############用xpath解析资金净流入
capital=selector.xpath('//td[@class="capital"]/text()')
for each in capital:print eachcapital1.append(each)data=pd.DataFrame({"排序":num1,"平台名称":name1,"成交额":total1,"综合利率":rate1,"投资人":pnum1,"借款周期":cycle1,"借款人":pnum1,"满标速度":fuload1,\"累计贷款余额":alltotal1,"资金净流入":capital})print data####################写入excel
pd.DataFrame.to_excel(data, "C:\\wang_data.xlsx", header=True, encoding='gbk', index=False)
################计算当前时间
time2 = time.time()
print u'ok,爬虫结束!'
print u'总共耗时：' + str(time2 - time1) + 's'