电影评分top 250
import requests
import pymysql
from bs4 import BeautifulSoup
from lxml import etree
import re
url="https://movie.douban.com/top250"
header = {"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36"}
pre={'User-agent':'Mozilla/5.0'}
# 连接database
conn = pymysql.connect(host="localhost", user="root",password="123456",database="demo",charset="utf8")
# 得到一个可以执行SQL语句的光标对象
cursor = conn.cursor()
flag = True
while flag:
html = requests.get(url, headers=header).text
list = etree.HTML(html)
lis = list.xpath('//ol[@class="grid_view"]/li')
try:
for oneSelector in lis:
name = oneSelector.xpath("div/div[2]/div[1]/a/span[1]/text()")[0]
score = oneSelector.xpath("div/div[2]/div[2]/div/span[2]/text()")[0]
#people = oneSelector.xpath("div/div[2]/div[2]/div/span[4]/text()")[0]
people = re.findall("(.*?)人评价",people)[0]
#introduce=oneSelector.xpath("div/div[2]/div[2]/p[2]/span/text()")[0]
#拼接sql
sql = "INSERT INTO movie(name, score,people) VALUES ('{}', '{}','{}')".format(name, score,people)
print(sql)
cursor.execute(sql)
conn.commit()
except Exception as e:
print("获取失败:{}".format(e))
conn.rollback()
cursor.close()
conn.close()
#获取下一页地址
try:
next_url = list.xpath('//span[@class="next"]/a/@href')[0]
if next_url:
url = "https://movie.douban.com/top250"+ next_url
except:
flag = False
