一.要求

以騰訊社招頁面來做演示：http://hr.tencent.com/position.php?&start=10#a

使用BeautifuSoup4解析器，將招聘網頁上的職位名稱、職位類別、招聘人數、工作地點、發布時間，以及每個職位詳情的點擊鏈接存儲出來。

二.代碼示例

from bs4 import BeautifulSoup
import urllib
import json    # 使用了json格式存儲def tencent():url = 'http://hr.tencent.com/'request = urllib.request.Request(url + 'position.php?&start=10#a')response =urllib.request.urlopen(request)resHtml = response.read()output =open('tencent.json','w')html = BeautifulSoup(resHtml,'lxml')# 創建CSS選擇器result = html.select('tr[class="even"]')result2 = html.select('tr[class="odd"]')result += result2items = []for site in result:item = {}name = site.select('td a')[0].get_text()detailLink = site.select('td a')[0].attrs['href']catalog = site.select('td')[1].get_text()recruitNumber = site.select('td')[2].get_text()workLocation = site.select('td')[3].get_text()publishTime = site.select('td')[4].get_text()item['name'] = nameitem['detailLink'] = url + detailLinkitem['catalog'] = catalogitem['recruitNumber'] = recruitNumberitem['publishTime'] = publishTimeitems.append(item)# 禁用ascii編碼，按utf-8編碼line = json.dumps(items,ensure_ascii=False)output.write(line.encode('utf-8'))output.close()if __name__ == "__main__":tencent()