爬取51job的职位信息

#!/usr/bin/python

#encoding:utf-8

#网站---源代码---python信息---匹配findall---写入文件

import urllib

import re

import sys

reload(sys)

sys.setdefaultencoding('utf-8')#输出的内容是utf-8格式

#打开源码，获取网站

i=0;

def get_content(page):

url='http://search.51job.com/jobsearch/search_result.php?fromJs=1&jobarea=000000%2C00&district=000000&funtype=0000&industrytype=00&issuedate=9&providesalary=99&keyword=java&keywordtype=2&curr_page=2&lang=c&stype=1&postchannel=0000&workyear=99&cotype=99&degreefrom=99&jobterm=99&companysize=99&lonlat=0%2C0&radius=-1&ord_field=0&list_type=0&fromType=14&dibiaoid=0&confirmdate=9'.format(page)

a=urllib.urlopen(url) #打开网页

html=a.read() #读取源代码

html=html.decode('gbk') #从gbk转为unicode

# print html

return html

#匹配到正文

def get(html):

reg =re.compile(r'class="t1 ">.*?<a target="_blank" title="(.*?)".*?<span class="t2"><a target="_blank" title="(.*?)".*?<span class="t3">(.*?)</span>.*?<span class="t4">(.*?)</span>.*?<span class="t5">(.*?)</span>',re.S)

items=re.findall(reg,html)

# print items #列表list

return items

#多页，写入文件

for j in range(1,2000):

html=get_content(j) #调用获取源码

for i in get(html):

print i[0], i[1], i[2], i[3], i[4]

with open('51job.txt','a') as f:

f.write(i[0]+'\t'+i[1]+'\t'+i[2]+'\t'+i[3]+'\t'+i[4]+'\n')

f.close()