爬取崔庆才大神的爬虫教程，最后存储到mysql

Posted 2020-09-26 月下柳梢映

# -*- coding: utf-8 -*-
#coding:utf8
import requests,time，unittest
from lxml import etree
import pymysql
url =‘http://cuiqingcai.com/1052.html‘

head = {"User-Agent":"Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36",
        "Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "Accept-Encoding":"gzip, deflate",
        "Accept-Language":"zh-CN,zh;q=0.8"

        }
html = requests.get(url)

selector = etree.HTML(str(html.text))

r = selector.xpath("/html/body/section/div[3]/div/article/p/a/text()")
t = selector.xpath("/html/body/section/div[3]/div/article/p/a/@href")
#print(r)
#print(t)

now = str(time.strftime(‘%Y-%m-%d-%H-%M‘,time.localtime(time.time())))



class datas(object):

    def Data_storage(self,dt):

        for each in dt:
            self.uid=",".join(each).split(‘,‘)[0]
            self.uname=",".join(each).split(‘,‘)[1]
            self.ulink=",".join(each).split(‘,‘)[2]
            uid="\‘"+str(self.uid)+"\‘"
            uname="\‘"+str(self.uname)+"\‘"
            ulink="\‘"+str(self.ulink)+"\‘"
            time="\‘"+str(now)+"\‘"
            r="\‘"+str(‘ggg‘)+"\‘"

            #print(uid,uname,ulink,r,time)


            conn=pymysql.connect(host=‘192.168.191.1‘,user=‘root‘,passwd=‘123456789‘,db=‘data‘,port=3306,charset=‘utf8‘)
            cur=conn.cursor()#获取一个游标
            sql =‘‘‘INSERT INTO xxb(id,name,remark,link,time)VALUES(%s,%s,%s,%s,%s)‘‘‘%(uid,uname,r,ulink,time)

            cur.execute(sql)
            cur.execute(‘select * from xxb‘)#执行查询sql语句+
            data=cur.fetchall()#执行查询后获取的数据赋值给data变量，每次查到的数据是上一个sql语句的结果，如果要重新查询别的数据，则要在上面重新写个sql查询语句

            cur.close()#关闭游标
            conn.commit()#事务提交
            conn.close()#释放数据库资源


    def Data_processing(self):
        a=[]
        for i in  range(1,31):
            a.append(str(i))
        dt = list(zip(a,r,t))
        self.Data_storage(dt)




if __name__=="__main__":
    gg = datas()
    gg.Data_processing()