爬取维基百科人物介绍,并使用pymysql存储到数据库

from urllib.request import urlopen
from bs4 import BeautifulSoup
import re
import datetime
import random
import pymysql.cursors

# Connect to the database
connection = pymysql.connect(host='127.0.0.1',
port=3306,
user='root',
password='数据库密码',
db='scraping',
charset='utf8mb4',
cursorclass=pymysql.cursors.DictCursor)

cur = connection.cursor()

random.seed(datetime.datetime.now())

def store(title,content):
cur.execute("INSERT INTO pages(title,content)values(\"%s\",\"%s\")",(title,content))
cur.connection.commit()

def getLinks(articleUrl):
html = urlopen("http://en.wikipedia.org"+articleUrl)
bsObj = BeautifulSoup(html,"html.parser")
title = bsObj.find("h1").get_text()
print(title)
content = bsObj.find("div",{"id":"mw-content-text"}).find("p").get_text()
print(content)
store(title,content)
return bsObj.find("div",{"id":"bodyContent"}).findAll("a",href=re.compile("^(/wiki/)((?!:).)*$"))

links = getLinks("/wiki/Kevin_Bacon")

try:
while len(links) > 0 :
newArticle = links[random.randint(0, len(links)-1)].attrs["href"]
#print(newArticle)
links = getLinks(newArticle)

finally:
cur.close()
connection.close()

　　　　alter database scraping character set = utf8mb4 collate = utf8mb4_unicode_ci;

　　　　alter table pages  convert to character set = utf8mb4 collate = utf8mb4_unicode_ci;

　　　　alter table pages change title title varchar(200) character set = utf8mb4 collate = utf8mb4_unicode_ci;

　　　　alter table pages change content content varchar(10000) character set = utf8mb4 collate = utf8mb4_unicode_ci;