import requests as req 
import re 
 
def getHTMLText(url): 
 try: 
 r = req.get(url, timeout=30) 
 r.raise_for_status() 
 r.encoding = r.apparent_encoding 
 return r.text 
 except: 
 return "" 
 
def parasePage(ilt, html): 
 try: 
 plt = re.findall(r'\"view_price\"\:\"[\d\.]*\"', html) 
 tlt = re.findall(r'\"raw_title\"\:\".*"', html) 
 for i in range(len(plt)): 
  price = eval(plt[i].split(':')[1]) 
  title = eval(tlt[i].split(':')[1]) 
  ilt.append([price, title]) 
 except: 
 print("") 
 
 
def printGoodsList(ilt): 
 tplt = "{:4}\t{:8}\t{:16}" 
 print(tplt.format("序列号", "价格", "商品名称")) 
 count = 0 
 for j in ilt: 
 count = count + 1 
 print(tplt.format(count, j[0], j[1])) 
 
def main(): 
 goods = "python爬虫" 
 depth = 3 
 start_url = 'https://s.taobao.com/search"text-align: center">

更多内容请参考专题《python爬取功能汇总》进行学习。
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