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python使用bs4實現爬取boss直聘靜態頁面?針對這個問題,這篇文章詳細介紹了相對應的分析和解答,希望可以幫助更多想解決這個問題的小伙伴找到更簡單易行的方法。
思路:
1、將需要查詢城市列表,通過城市接口轉換成相應的code碼
2、遍歷城市、職位生成url
3、通過url獲取列表頁面信息,遍歷列表頁面信息
4、再根據列表頁面信息的job_link獲取詳情頁面信息,將需要的信息以字典data的形式存在列表datas里
5、判斷列表頁面是否有下一頁,重復步驟3、4;同時將列表datas一直傳遞下去
6、一個城市、職位url爬取完后,將列表datas接在列表datas_list后面,重復3、4、5
7、最后將列表datas_list的數據,遍歷寫在Excel里面
知識點:
1、將response內容以json形式輸出,解析json并取值
2、soup 的select()和find_all()和find()方法使用
3、異常Exception的使用
4、wldt創建編輯Excel的使用
import requests, time, xlwt from bs4 import BeautifulSoup class MyJob(): def __init__(self, mycity, myquery): self.city = mycity self.query = myquery self.list_url = "https://www.zhipin.com/job_detail/?query=%s&city=%s&industry=&position="%(self.query, self.city) self.datas = [] self.header = { 'authority': 'www.zhipin.com', 'method': 'GET', 'scheme': 'https', 'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8', 'accept-encoding': 'gzip, deflate, br', 'accept-language': 'zh-CN,zh;q=0.9', 'cache-control': 'max-age=0', 'cookie': 'lastCity=101210100;uab_collina=154408714637849548916323;toUrl=/;c=1558272251;g=-;l=l=%2Fwww.zhipin.com%2Fuser%2Flogin.html&r=; Hm_lvt_194df3105ad7148dcf2b98a91b5e727a=1555852331,1556985726,1558169427,1558272251; __a=40505844.1544087205.1558169426.1558272251.41.14.4.31; Hm_lpvt_194df3105ad7148dcf2b98a91b5e727a=1558272385', 'referer': 'https://www.zhipin.com/?ka=header-logo', 'upgrade-insecure-requests': '1', 'user-agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36' } #將城市轉化為code碼 def get_city(self,city_list): city_url = "https://www.zhipin.com/wapi/zpCommon/data/city.json" #獲取城市 json = requests.get(city_url).json() zpData = json["zpData"]["cityList"] list = [] for city in city_list : for data_sf in zpData: for data_dq in data_sf["subLevelModelList"]: if city == data_dq["name"]: list.append(data_dq["code"]) return list #獲取所有頁內容 def get_job_list(self, url, datas): print(url) html = requests.get(url, headers=self.header).text soup = BeautifulSoup(html, 'html.parser') jobs = soup.select(".job-primary") for job in jobs: data = {} # 招聘id data["job_id"] = job.find_all("div", attrs={"class": "info-primary"})[0].find("a").get("data-jobid") # 招聘鏈接 data["job_link"] = "https://www.zhipin.com" + job.find_all("div", attrs={"class": "info-primary"})[0].find("a").get("href") # 招聘崗位 data["job_name"] = job.find_all("div", attrs={"class": "info-primary"})[0].find("div", attrs={"class": "job-title"}).get_text() # 薪資 data["job_red"] = job.find_all("div", attrs={"class": "info-primary"})[0].find("span", attrs={"class": "red"}).get_text() # 地址 #工作年限 #學歷 data["job_address"] = job.find_all("div", attrs={"class": "info-primary"})[0].find("p").get_text().split(" ") # 企業鏈接 data["job_company_link"] = job.find_all("div", attrs={"class": "info-company"})[0].find("a").get("href") # 企業信息 data["job_company"] = job.find_all("div", attrs={"class": "info-company"})[0].find("p").get_text().split(" ") # boss鏈接 data["job_publis_link"] = job.find_all("div", attrs={"class": "info-publis"})[0].find("img").get("src") # boos信息 data["job_publis"] = job.find_all("div", attrs={"class": "info-publis"})[0].find("h4").get_text().split(" ") time.sleep(5) self.get_job_detail(data) # 獲取job詳情頁內容 print(data) datas.append(data) # 將某條job添加到datas中,直到將當前頁添加完 try: next_url = soup.find("div", attrs={"class": "page"}).find("a", attrs={"class": "next"}).get("href") #if next_url[-1] =="3": # 第二頁自動拋異常 if next_url in "javascript:;": # 最后一頁自動拋異常 raise Exception() except Exception as e: print("最后一頁了;%s" % e) return datas # 返回所有頁內容 else: time.sleep(5) next_url = "https://www.zhipin.com" + next_url self.get_job_list(next_url, datas) return datas # 返回所有頁內容 #獲取詳情頁內容 def get_job_detail(self, data): print(data["job_link"]) html = requests.get(data["job_link"], headers=self.header).text soup = BeautifulSoup(html, 'html.parser') # 招聘公司 data["detail_content_name"] = soup.find_all("div", attrs={"class": "detail-content"})[0].find("div", attrs={"class": "name"}).get_text() # 福利 data["detail_primary_tags"] = soup.find_all("div", attrs={"class": "info-primary"})[0].find("div", attrs={"class": "job-tags"}).get_text().strip() # 招聘崗位 data["detail_primary_name"] = soup.find_all("div", attrs={"class": "info-primary"})[0].find("h2").get_text() # 招聘狀態 data["detail_primary_status"] = soup.find_all("div", attrs={"class": "info-primary"})[0].find("div", attrs={"class": "job-status"}).get_text() # 薪資 data["detail_primary_salary"] = soup.find_all("div", attrs={"class": "info-primary"})[0].find("span", attrs={"class": "salary"}).get_text() # 地址 #工作年限 #學歷 data["detail_primary_address"] = soup.find_all("div", attrs={"class": "info-primary"})[0].find("p").get_text() # 工作地址 data["detail_content_address"] = soup.find_all("div", attrs={"class": "detail-content"})[0].find("div", attrs={"class": "location-address"}).get_text() # 職位描述 data["detail_content_text"] = soup.find_all("div", attrs={"class": "detail-content"})[0].find("div", attrs={"class": "text"}).get_text().strip().replace(";", "\n") # boss名字 data["detail_op_name"] = soup.find_all("div", attrs={"class": "detail-op"})[1].find("h3", attrs={"class": "name"}).get_text() # boss職位 data["detail_op_job"] = soup.find_all("div", attrs={"class": "detail-op"})[1].find("p", attrs={"class": "gray"}).get_text().split("·")[0] # boss狀態 data["detail_op_status"] = soup.find_all("div", attrs={"class": "detail-op"})[1].find("p", attrs={"class": "gray"}).get_text().split("·")[1] #將獲取的數據寫入Excel def setExcel(self, datas_list): book = xlwt.Workbook(encoding='utf-8') table = book.add_sheet("boss軟件測試") table.write(0, 0, "編號") table.write(0, 1, "招聘鏈接") table.write(0, 2, "招聘崗位") table.write(0, 3, "薪資") table.write(0, 4, "地址") table.write(0, 5, "企業鏈接") table.write(0, 6, "企業信息") table.write(0, 7, "boss鏈接") table.write(0, 8, "boss信息") table.write(0, 9, "detail詳情") i = 1 for data in datas_list: table.write(i, 0, data["job_id"]) table.write(i, 1, data["job_link"]) table.write(i, 2, data["job_name"]) table.write(i, 3, data["job_red"]) table.write(i, 4, data["job_address"]) table.write(i, 5, data["job_company_link"]) table.write(i, 6, data["job_company"]) table.write(i, 7, data["job_publis_link"]) table.write(i, 8, data["job_publis"]) table.write(i, 10, data["detail_content_name"]) table.write(i, 11, data["detail_primary_name"]) table.write(i, 12, data["detail_primary_status"]) table.write(i, 13, data["detail_primary_salary"]) table.write(i, 14, data["detail_primary_address"]) table.write(i, 15, data["detail_content_text"]) table.write(i, 16, data["detail_op_name"]) table.write(i, 17, data["detail_op_job"]) table.write(i, 18, data["detail_op_status"]) table.write(i, 19, data["detail_primary_tags"]) table.write(i, 20, data["detail_content_address"]) i += 1 book.save(r'C:\%s_boss軟件測試.xls' % time.strftime('%Y%m%d%H%M%S')) print("Excel保存成功") if __name__ == '__main__': city_list = MyJob("","").get_city(["杭州"]) query_list = ["軟件測試", "測試工程師"] datas_list = [] for city in city_list: for query in query_list: myjob = MyJob(city, query) datas = myjob.get_job_list(myjob.list_url, myjob.datas) datas_list.extend(datas) myjob.setExcel(datas_list)
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