import requests
from lxml import etree
import time
import csv
from urllib.request import urlopen, Request
from lxml import etree
def crow_first(n):
print(n)
# 定义函数抓取每页前30条商品信息
# 构造每一页的url变化
if __name__ == '__main__':
for i in range(1, 10):
# 下面的print函数主要是为了方便查看当前抓到第几页了
print('***************************************************')
try:
print(' First_Page: ' + str(i))
crow_first(i)
print(' Finish')
except Exception as e:
print(e)