最简单的爬虫代码 python

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最简单的爬虫代码

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#!/usr/bin/python

# -*- coding: UTF-8 -*-

import cookielib

import urllib2

from urllib import urlencode

import MysqLdb

from bs4 import BeautifulSoup

# 数据库

mydb = MysqLdb.connect(host="10.0.66.248",user="root",passwd="123456",db="invCloudOA",charset="utf8")

cursor = mydb.cursor()

mydb.autocommit(on="on")

# 建一个cookie处理器的opener

cookie = cookielib.CookieJar()

handler = urllib2.HTTPCookieProcessor(cookie)

conn = urllib2.build_opener(handler)

# 请求参数

param = {

'email': '88888888@qq.com','password': '88888888','target': 'http://aaaaaa.com/member'

}

# 发送请求

resp = conn.open("http://aaaaaa.com/user/login",data=urlencode(param))

# 登录成功后,开始采集数据

for i in xrange(1,200,1):

print("当前页码 %d" % i)

try:

resp_con = conn.open("http://aaaaaa.com/member/index/page/%d" % i,timeout=20)

resp_string = resp_con.read()

bs = BeautifulSoup(resp_string)

a_list = bs.select('li[class="col-sm-6 col-md-4 col-lg-6"] a')

try:

for a in a_list:

person_html = conn.open("http://aaaaaa.com%s" % a.get("href"),timeout=20)

person_soup = BeautifulSoup(person_html)

person_detail_soup = person_soup.find('div',class_='col-sm-12 col-md-8 detail-left min-padding')

try:

username = person_detail_soup.find('div',class_='detail').find('div',class_='introduce').find('h4').find('span').get_text()

except:

username = ""

try:

gongsi = person_detail_soup.find('div',class_='introduce').find('div',class_="local").find('a').get_text()

except:

gongsi = ""

try:

zhiwu = person_detail_soup.find('div',class_='introduce').find_all('div',class_="local")[1].get_text()

except:

pass

try:

diqu = person_detail_soup.find('div',class_="local")[2].find('a').get_text()

except:

diqu = ""

try:

shouji = person_detail_soup.find_all('div',class_='contacts')[0].get_text()

except:

shouji = ""

try:

qq = person_detail_soup.find_all('div',class_='contacts')[1].get_text()

except:

qq = ""

try:

weibo = person_detail_soup.find_all('div',class_='contacts')[2].get_text()

except:

weibo = ""

try:

email = person_detail_soup.find_all('div',class_='contacts')[3].get_text()

except:

email = ""

try:

weixin = person_detail_soup.find_all('div',class_='contacts')[4].get_text()

except:

weixin = ""

sql = "INSERT INTO`ft_person`(`mingzi`,`shouji`,`qq`,`weibo`,`emai`,`wexin`,`chanpinjingli`,`zhiyejingli`,`gerenjieshao`,`yuanid`,gongsi,zhiwu,diqu) VALUES('%s','%s','%s');" % (

username,shouji,qq,weibo,email,weixin,"",a.get("href"),diqu)

cursor.execute(sql)

print("采集成功 %s" % username.encode('utf-8'))

except StandardError as ex:

print(ex)

print("采集该人物失败 %s" % a.get("href"))

except StandardError as ex:

print(ex)

print("采集第 %d 页失败!" % i)

# 关闭数据库

cursor.close()

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