python提取淘宝页面信息并展示
完整代码如下:
#coding=GBK
import requests
import re
def getHTMLText(url):
try:
r = requests.get(url, timeout = 30)
r.raise_for_status()
r.encoding = r.apparent_encoding
#print(r.status_code)
return r.text
except:
return ''
def parserPage(ilt,html):
try:
plt = re.findall(r'\"view_price\"\:\"[\d\.]*\"',html) #获得商品价格和view_price字段,并保存在plt中
tlt = re.findall(r'\"raw_title\"\:\".*?\"',html) #获得商品名称和raw_title字段,并保存在tlt中
vlt = re.findall(r'\"view_fee\"\:\".*?\"',html)
for i in range(len(plt)):
price = eval(plt[i].split(':')[1]) #eval()用来去掉双引号
title = eval(tlt[i].split(':')[1])
fee=eval(vlt[i].split(':')[1])
ilt.append([price,title,fee])
except:
print("")
def printGoodsList(ilt):
tplt = "{:4}\t{:8}\t{:16}\t{:4}" #第一个位置给出大小为4,第二个位置大小为8,第三个位置大小为16
print(tplt.format("num", "price","name","fee"))
count = 0
for g in ilt:
count = count + 1
print(tplt.format(count,g[0],g[1],g[2]))
def main():
goods = '书包'
depth = 3
start_url = "https://s.taobao.com/search?q=" + goods
infoList = []
for i in range(depth):
try:
url = start_url + '&s=' + str(44*i)
html = getHTMLText(url)
parserPage(infoList,html)
except:
continue
printGoodsList(infoList)
main()