少儿编程自学网站推广拉新app哪几个靠谱

使用

自己工作需要，分享出来，刚刚修改完。
知需要修改keyword就可以完成自动搜索和下载同时翻页。
但是需要安装Chrome，也支持linux爬虫，也要安装linux Chrome非可视化版。

代码

import selenium.webdriver as webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.common.keys import Keys
from selenium.webdriver import Chrome, ChromeOptions
import time
import json
import pandas as pd
import requestspapers_info_list = []
one_paper = {}keyword = "你的query"  # 搜索关键词# 设置options参数，以开发者模式运行
option = ChromeOptions()
option.add_experimental_option("excludeSwitches", ["enable-automation"])# 解决报错，设置无界面运行
option.add_argument('--no-sandbox')
option.add_argument('--disable-dev-shm-usage')
option.add_argument('blink-settings=imagesEnabled=false')  # 不加载图片, 提升速度
option.add_argument("--headless")
option.add_argument('--disable-gpu')  # 谷歌文档提到需要加上这个属性来规避buguser_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36"
option.add_argument(f'user-agent={user_agent}')url = "https://kns.cnki.net/kns8s/defaultresult/index?crossids=YSTT4HG0%2CLSTPFY1C%2CJUP3MUPD%2CMPMFIG1A%2CWQ0UVIAA%2CBLZOG7CK%2CEMRPGLPA%2CPWFIRAGL%2CNLBO1Z6R%2CNN3FJMUV&korder=SU&kw=" + str(keyword)
driver = webdriver.Edge(option)
driver.get(url)while (True):# 等待新界面加载完毕time.sleep(3)papers = driver.find_elements(By.XPATH, '//div[@id="gridTable"]//table[@class="result-table-list"]/tbody/tr')basestr = '//div[@id="gridTable"]//table[@class="result-table-list"]/tbody/tr'for i, li in enumerate(papers):# passname = li.find_element(By.CSS_SELECTOR, value='td.name a').textname_link = li.find_element(By.CSS_SELECTOR, value='td.name a').get_attribute("href")author = li.find_element(By.CSS_SELECTOR, value='td.author').textsource = li.find_element(By.CSS_SELECTOR, value='td.source a').textsource_link = li.find_element(By.CSS_SELECTOR, value='td.source a').get_attribute("href")print(source_link)date = li.find_element(By.CSS_SELECTOR, value='td.date').text  # 发表日期data = li.find_element(By.CSS_SELECTOR, value='td.data').text  # 数据库来源try:quote = li.find_element(By.CSS_SELECTOR, value='td.quote').textexcept:quote = Nonetry:downloadCount = li.find_element(By.CSS_SELECTOR, value='td.download').textexcept:downloadCount = Nonetry:operat = li.find_element(By.CSS_SELECTOR, value='td.operat a.downloadlink.icon-download')href = operat.get_attribute("href")  # caj下载链接except:href = Noneprint("\n\n\n")print("文章名称：", name)  # 文章名字print("作者：", author)  # 作者名字print("文章来源：", source)  # 文章来源# print(source_link) # 期刊链接print("发表日期：", date)  # 发表日期print("数据库：", data)  # 数据库if quote: print("被引次数: ", quote)  # 引用次数if downloadCount: print("下载次数: ", downloadCount)  # 下载次数# 查看文章详细信息new_driver = webdriver.Chrome(option)new_driver.get(name_link)try:institute = new_driver.find_element(By.CSS_SELECTOR, value='div.brief h3:nth-last-child(1)').text  # 机构信息except:institute = "无机构信息"print("机构: ", institute)try:infos = new_driver.find_elements(By.CSS_SELECTOR, value='div.doc-top div.row')except:infos = []for info in infos:print(info.text.strip())  # 摘要、关键词等信息try:pdf_link = new_driver.find_element(By.CSS_SELECTOR, value='#pdfDown').get_attribute("href")except:pdf_link = ""print("pdf下载地址: ", pdf_link) # pdf下载地址，该pdf地址似乎直接复制到浏览器会报错说应用来源错误...，所以下面直接点击按钮实现自动下载pdftext = requests.get(pdf_link)with open('./pdf/' + name + '.pdf', 'wb') as f:f.write(text.content)f.close()time.sleep(3)  # 等待页面加载完毕new_driver.find_element(By.CSS_SELECTOR, value='#pdfDown').click()time.sleep(3)  # 等待pdf下载完毕# 查看期刊详细信息new_driver2 = webdriver.Chrome(option)new_driver2.get(source_link)# infobox = new_driver.find_element(By.XPATH, '//*[@id="qk"]//dd[@class="infobox"]')try:new_driver2.find_element(By.XPATH, '//a[@id="J_sumBtn-stretch"]').click()  # 展开详细信息except:pass  # 无需展开try:listbox = new_driver2.find_element(By.XPATH, '//dd[@class="infobox"]/div[@class="listbox clearfix"]')text = listbox.textexcept:text = "本期刊缺乏信息"print("--------本期刊详细信息---------")print("期刊名：", source)print(text)  # 期刊详细信息new_driver2.quit()new_driver.quit()# 模拟点击下一页try:driver.find_element(By.XPATH, '//*[@id="PageNext"]').click()except:breakdriver.quit()