程式碼：

import requests
from bs4 import BeautifulSoup
import time


def getHtml(url,code='gbk'):
    try:
        r = requests.get(url)
        r.raise_for_status()
        r.encoding = code
        return r.text
    except:
        return ""

def ParserHtml(i,htmlText):
    print("正在解析第{0}頁".format(i))
    RecuitInfos = []
    soup = BeautifulSoup(htmlText,'lxml')
    #獲取職位資訊
    InfoPositions = soup.find_all('p',attrs={'class':'t1 '})
    #獲取公司名資訊
    InfoNames = soup.find_all('span',attrs={'class':'t2'})
    #獲取工作地點
    InfoPlaces = soup.find_all('span', attrs={'class': 't3'})
    #獲取薪資資訊
    InfoSalarys = soup.find_all('span', attrs={'class': 't4'})
    #獲取招聘釋出條件資訊
    InfoTimes = soup.find_all('span', attrs={'class': 't5'})
    for m in range(1,len(InfoPositions)):
        if (len(InfoPositions[m-1].text.split())==0)|(len(InfoNames[m].text.split())==0)|(len(InfoPlaces[m].text.split())==0)|(len(InfoSalarys[m].text.split())==0)|((InfoTimes[m].text.split())==0):
            pass
        else:
            #print(len(InfoPositions),len(InfoNames),len(InfoPlaces),len(InfoSalarys),len(InfoTimes))
            #print(InfoPositions[m-1].text.split()[0],InfoNames[m].text.split()[0],InfoPlaces[m].text.split()[0],InfoSalarys[m].text.split()[0],InfoTimes[m].text.split()[0])
            RecuitInfos.append([InfoPositions[m-1].text.split()[0],InfoNames[m].text.split()[0],InfoPlaces[m].text.split()[0],InfoSalarys[m].text.split()[0],InfoTimes[m].text.split()[0]])
    return RecuitInfos

def writeCSV(i,fw,Recruit_info):
    for Info in Recruit_info:
        print("正在寫入第{0}頁".format(i))
        fw.write(",".join(Info)+'\n')
    print("第{0}資料抓取完畢".format(i))

def main():
    path = 'F:'
    posttion = input("請輸入要抓取的職位名稱：")
    fw = open(path  +'\zhaopin_'+ posttion+'.csv', 'a+')
    row = ["職位名","公司名","工作地點","薪資","釋出時間"]
    fw.write(",".join(row)+"\n")
    star_url = 'http://search.51job.com/list/000000,000000,0000,00,9,99,'
    mid_url = ',2,'
    end_url = '.html?'
    max = input("請輸入最大抓取頁數：")
    for i in range(1,int(max)):
        time.sleep(3)
        url = star_url + posttion +mid_url + str(i) + end_url
        htmlText = getHtml(url)
        Recruit_info = ParserHtml(i,htmlText)
        writeCSV(i,fw, Recruit_info)

if __name__ == '__main__':
    main()