python爬蟲判斷招聘資訊是否存在的例項程式碼
阿新 • • 發佈:2020-11-23
在找工作的時候,我們會選擇上網查詢招聘的資訊,或者是通過一些招聘會進行現場面試。但由於資訊更新不及時,有一些崗位會出現下架的情況,如果我們不注意的話,可能就撲了空。在時間上耽誤了不說,面試的資訊也會受到一點點打擊。今天小編就教大家python爬蟲來判斷招聘資訊是否存在。
首先這裡需要一個判斷某條招聘是否還掛在網站上的方法,這個暫時想到了還沒弄,然後對於釋出時間在兩個月之前的資料,就不進行統計計算。
以下是完成程式碼:
{ "_id" : ObjectId("5a30ad2068504386f47d9a4b"),"city" : "蘇州","companyShortName" : "藍海彤翔","companySize" : "100-499人","education" : "本科","financeStage" : "B輪","industryField" : "網際網路","level" : 3,"pid" : "11889834","positionLables" : [ "PHP","ThinkPHP" ],"positionName" : "php研發工程師","salary" : { "avg" : 7500.0,"low" : 7000,"high" : 8000 },"time" : "2017-06-06","updated_at" : "2017-12-13 18:31:15","workYear" : "1-3年","detail" : "1、處理landcloud雲端計算相關係統的各類開發和調研工作;2、處理coms高效能運算的各類開發和調研工作崗位要求:1、本科學歷,兩年以上工作經驗,熟悉PHP開發,瞭解常用的php開發技巧和框架;2、瞭解C++,python及Java開發;3、有一定的研發能力和鑽研精神;4、有主動溝通能力和吃苦耐勞的精神。","location" : "蘇州市高新區科技城錦峰路158號101park8幢"
例項擴充套件:
python爬蟲爬取騰訊招聘資訊 (靜態爬蟲)
import requests from bs4 import BeautifulSoup from math import ceil header = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/67.0.3396.99 Safari/537.36'} # 獲取崗位頁數 def getJobPage(url): ret = requests.get(url,headers=header) ret.encoding = "utf-8" # 解決亂碼問題 html = ret.text soup = BeautifulSoup(html,'html.parser') # 獲取崗位總數,< span class ="lightblue total" > 512 < / span > totalJob = soup.select('span[class="lightblue total"]')[0].text jobPage = ceil(int(totalJob) / 10) return jobPage def getJobOrder(url): ret = requests.get(url,'html.parser') # 工作職責 jobRequests = soup.select('ul[class="squareli"]')[0].text # 工作要求 jobOrder = soup.select('ul[class="squareli"]')[1].text return jobRequests,jobOrder # 獲取崗位資訊 def getJobInfo(url): myfile = open("tencent_job.txt","a",encoding='gb18030',errors='ignore') # 解決亂碼問題 ret = requests.get(url,'html.parser') jobList = soup.find_all('tr',class_=['even','odd']) for job in jobList: # url jobUrl = "https://hr.tencent.com/" + job.select('td:nth-of-type(1) > a')[0]['href'] # 職位名稱 jobName = job.select('td:nth-of-type(1) > a')[0].text # 人數 jobPeople = job.select('td:nth-of-type(3)')[0].text # 地點 jobAddre = job.select('td:nth-of-type(4)')[0].text # 釋出時間 jobTime = job.select('td:nth-of-type(5)')[0].text # 工作職責 jobRequests = getJobOrder(jobUrl)[0] # 工作要求 jobOrder = getJobOrder(jobUrl)[1] #print(jobName,jobUrl,jobAddre,jobPeople,jobTime,jobRequests,jobOrder) tt = jobName + " " + jobUrl + " " + jobAddre + " " + jobPeople + " " + jobTime + " " + jobRequests + " " + jobOrder myfile.write(tt + "\n") if __name__ == '__main__': mainurl = 'https://hr.tencent.com/position.php?keywords=python' jobPage = getJobPage(mainurl) print(jobPage) for page in range(jobPage): pageUrl = 'https://hr.tencent.com/position.php?keywords=python&start=' + str(page * 10) + '#a' print("第" + str(page + 1) + "頁") getJobInfo(pageUrl)
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