打开网站很慢,在线绘画网站,手机网站建设的整体流程图,微信文件传输网页版入口嗨喽~大家好呀#xff0c;这里是魔王呐 ❤ ~! python更多源码/资料/解答/教程等 点击此处跳转文末名片免费获取
开发环境: python 3.8 pycharm 专业版
模块使用#xff1a; requests 发送请求 第三方库 (需要安装) parsel 第三方库 用来提取网…嗨喽~大家好呀这里是魔王呐 ❤ ~! python更多源码/资料/解答/教程等 点击此处跳转文末名片免费获取
开发环境: python 3.8 pycharm 专业版
模块使用 requests 发送请求 第三方库 (需要安装) parsel 第三方库 用来提取网页源代码的 csv 内置模块 无需安装 time 内置模块 无需安装
模块安装
win R 输入cmd 输入安装命令 pip install 模块名 (如果你觉得安装速度比较慢, 你可以切换国内镜像源)
代码实现步骤 发送请求 (用代码 访问对应的网址) 获取数据 解析数据 (提取数据 将我们需要的内容提取出来 不需要的 丢弃) 保存数据 (表格文件)
代码展示
导入模块 遇到问题没人解答小编创建了一个Python学习交流QQ群926207505
寻找有志同道合的小伙伴互帮互助,群里还有不错的视频学习教程和PDF电子书import requests # 发送请求 第三方库 (需要安装)
import parsel # 第三方库 用来提取网页源代码的
import csv # 内置模块 无需安装
import time保存数据
with open(jingdong.csv, modew, newline, encodingutf-8) as f:csv.writer(f).writerow([title, price, shop, detail_url])模拟浏览器 可修改 只加ua得不到数据,考虑加其他的内容 cookie
headers {Cookie: __jdu1675327822068798256204; shshshfpaa8c4d3ab-4de2-1594-07c6-96937703bc48-1675511732; shshshfpxa8c4d3ab-4de2-1594-07c6-96937703bc48-1675511732; shshshfpdf23b3178a68c52485e728025047439d; _pstjd_7449b8b770c1a; unicku_y14qxm7bysay; pinjd_7449b8b770c1a; _tpvZPPhy6cqARc6L2%2B3nOzUq3kCs2OWuApKpEwLezV01A%3D; b_dw1903; b_dh962; b_dpr1; b_webp1; b_avif1; autoOpenApp_downCloseDate_auto1698495726388_1800000; unplJF8EAMhnNSttW0IBBBhWGRsWHA9QW1pcQx4APWJSUlRbSABVE1dMQBJ7XlVdXxRLFx9sYxRXXFNLVQ4ZCisSEXteXVdZDEsWC2tXVgQFDQ8VXURJQlZAFDNVCV9dSRZRZjJWBFtdT1xWSAYYRRMfDlAKDlhCR1FpMjVkXlh7VAQrAhwUFEleUldeC0oQCmlvDFdZX0hVACsDKxUge21WX14NTh8zblcEZB8MF1cEEgsbGl1LWlJaXwtNHgBsZgJdW1BCVwEcARoXIEptVw; PCSYCityIDCN_430000_430100_0; thor459E9A0707CDD36020E74D14717A705AD6CEE67A8D55FEDAACBD33B9D31511E639D728DAFB1FF36D36DE627F8F2F79845F92317DEDEAB842A76D839D99A84DA9F0E3F8B9DBF9C66BF47B74F66CCB0051E6C00FDBFD4545AD7396FD35D9DF2D4EE2B81CFD32ED986FBC3547605F3FA2EFD8C022688992015FFC079D1239A9636A3C6747E1A981BB7272167E6708A9D699AE6D7C17170909155A757473FE3F744E; flash2_kGENmsBsM776mXDUIck9N5Hr7-RR1caB21t4eIczd1sA64NWUiuUcZCTP974PA7P1w5LFIs7Dq1LubLJleTXpdUeaJ6cT2ac-HBgzp8AdSo*; pinIdf_SKjtPUQ3D1_NrwwoSZkrV9-x-f3wj7; __jdv76161171|baidu-pinzhuan|t_288551095_baidupinzhuan|cpc|0f3d30c8dba7459bb52f2eb5eba8ac7d_0_28d02e387fc546e982c4f7822ea9dfc3|1700914261968; joyytokembabel_UEro4WAa7vEhMypakgZQQDqfZhUMDFDd2t1VTk5MQ.ckBbRWxyQ1hEYnRCXQsQLzQuQmEsOgJMK3JbXVlkb0YVRytyCSo0IBQDMTQ0DjIYIQEyR1gcExkmIw0lIiMPAhp7JCkvZBYlCAwPAjYqNBQCCRU.3511f139; joyya1700914317.1700914320.22.01c6v1p; jsavif1; __jda122270672.1675327822068798256204.1675327822.1699364622.1700914240.14; __jdc122270672; areaId18; ipLoc-djd18-1482-0-0; shshshsID7f16a7856e408b5462889269ad6e0b3c_10_1700914558416; __jdb122270672.9.1675327822068798256204|14.1700914240; 3AB9D23F7A4B3CSSjdd03BFXLLB72GO2GWA4OW3JSYXJPOVRF3WAKAKETOTSMNISZ6VIJTLEVQKEHWUA6VLD7ORS2QYC55PWBVUZVPZTXPDCHZUAAAAMMAZUHL4AAAAAADDF3D4TATRWIPYX; shshshfpbAAkh2aAaMEsTTq03iFZQHxpaTdwO8SBZ1URcyaAAAAAA; 3AB9D23F7A4B3C9BBFXLLB72GO2GWA4OW3JSYXJPOVRF3WAKAKETOTSMNISZ6VIJTLEVQKEHWUA6VLD7ORS2QYC55PWBVUZVPZTXPDCHZU,Origin: https://search.jd.com,Referer: https://search.jd.com/,User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36
}多页获取 遇到问题没人解答小编创建了一个Python学习交流QQ群926207505
寻找有志同道合的小伙伴互帮互助,群里还有不错的视频学习教程和PDF电子书s 1
for page in range(1, 121):t int(time.time() * 1000)body {keyword:iPhone,qrst:1,wq:iPhone,ev:exbrand_Apple^,pvid:c2a8f09dbfa044a6a12f860e20edb6c7,isList:0,page: str(page) ,s: str(s) ,click:0,log_id:1697547020245.6899,show_items:}if page 2:s 26body {keyword:iPhone,qrst:1,wq:iPhone,ev:exbrand_Apple^,pvid:c2a8f09dbfa044a6a12f860e20edb6c7,isList:0,page: str(page) ,s: str(s) ,click:0,log_id:1697547020245.6899,show_items:}elif page 2:s 30if page % 2 0:body {keyword:iPhone,qrst:1,wq:iPhone,ev:exbrand_Apple^,pvid:c2a8f09dbfa044a6a12f860e20edb6c7,page: str(page) ,s: str(s) ,scrolling:y,log_id:1697545127114.3155,tpl:3_M,isList:0,show_items:}else:body {keyword:iPhone,qrst:1,wq:iPhone,ev:exbrand_Apple^,pvid:c2a8f09dbfa044a6a12f860e20edb6c7,isList:0,page: str(page) ,s: str(s) ,click:0,log_id:1697544397338.9790,show_items:}params {appid: search-pc-java,functionId: pc_search_s_new,client: pc,clientVersion: 1.0.0,t: str(t),body: body,loginType: 3,uuid: 122270672.1675327822068798256204.1675327822.1699364622.1700914240.14,area: 18_1482_0_0,h5st: 20231125202253488;g5giig9tnm63gij2;f06cc;tk03wcf291d0c18nWWFtx6pen6ynAePyLgl8sAR4d4xue8lLvNwODA2L03Vzrmb5U4cXmr_rv9qY_zudES6M8bCoMT_o;cb9e846a92e17e24d3b20741663decba;4.1;1700914973488;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,x-api-eid-token: jdd03BFXLLB72GO2GWA4OW3JSYXJPOVRF3WAKAKETOTSMNISZ6VIJTLEVQKEHWUA6VLD7ORS2QYC55PWBVUZVPZTXPDCHZUAAAAMMAZUHL4AAAAAADDF3D4TATRWIPYX,}请求网址 url https://api.m.jd.com/发送请求 (访问网站) response requests.get(urlurl, paramsparams, headersheaders)提取数据 将需要的内容提取出来 html_data response.text怎么样提取网页源代码当中的内容 select parsel.Selector(html_data)# //ul[classgl-warp clearfix]/li拿到了每个商品所属的标签 遇到问题没人解答小编创建了一个Python学习交流QQ群926207505寻找有志同道合的小伙伴互帮互助,群里还有不错的视频学习教程和PDF电子书lis select.xpath(//ul[classgl-warp clearfix]/li)for li in lis:# li.xpath(string(.//div[classp-name p-name-type-2])).get()title li.xpath(string(.//div[classp-name p-name-type-2])).get().strip()price li.xpath(string(.//div[classp-price])).get().strip()shop li.xpath(string(.//div[classp-shop])).get().strip()detail_url https: li.xpath(.//div[classp-name p-name-type-2]/a/href).get()print(title, price, shop, detail_url)保存数据 with open(jingdong.csv, modea, newline, encodingutf-8) as f:csv.writer(f).writerow([title, price, shop, detail_url])尾语
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