from urllib.request import urlopen, urlcleanup, Request url = http: tech.qq.com a 20181210. request = Request (url) response = urlopen (request) content = response.read (). Decode ( gb2312 ) urlcleanup () appears: UnicodeDecodeError: gb23...
use selenium, multithreading for Java to crawl, and each thread opens a chrome browser; each thread quit exits; crawls for a few days and finds a pile of unclosed threads in the background; memory explodes directly ...
problem description has written about simple crawlers. According to the web page opened by url , the content in the web page is the information to be crawled, which is easier to do. now the page defaults to no data or not the data you want, so you n...
I want to climb a website with about 1 billion data. Url is http: xxx.com id=xx accesses and extracts the data and stores it in the database . where the id parameter in url is predictable, ranging from 0 to 1000000000 so I can generate these 1 bill...
https: www.lagou.com gongsi . URL I want to extract the content under this tag < div class= "item_manager_content " but the first one does not have p and everyone else has p how to deal with this situation? ...
problem description in the Credit China website, there is a download button on the details page. As shown below: URL is https: www.creditchina.gov.c. The link to the red download button is the blue location in the cpmpanydetailpdf.css on ...
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-sharp! usr bin env python3 __author__ = Stephen import scrapy, json from Espider.tools.get_cookies import get_cookies from scrapy_redis.spiders import RedisSpider from scrapy_redis.utils import bytes_to_str from Espider.items.jingzhunitem import jin...
I want to get some ip http: spys.one en free-proxy. of this website. because if I click servers per page to change to 100 or 50, there will be more ip in the table. I check that Firebug, should be a post request, and then I replace headers and param...
I want to climb the ip list of the following website https: free-proxy-list.net because every page will be updated with ip, I need to turn the page. At first, I can do it with selenium, but I think the cost is too high. So I want to use requests to...
nuxt var request = require("request"); var cheerio = require("cheerio"); request( https: www.bing.com ,function(err,result){ if(err){ console.log(":"+err); return; } ...
import requests from bs4 import BeautifulSoup import re user_agent = Mozilla 5.0 (Windows NT 10.0; Win64; x64) AppleWebKit 537.36 (KHTML, like Gecko) Chrome 70.0.3521.2 Safari 537.36 headers = { User-Agent :user_agent} url = http: bxjg.bi...
The same is true in the debugging tools of browsers, but there is no problem when it is displayed on the web page. Is there any solution for crawlers made with node ...
is to search for a keyword on the Baidu page. Selenium has this search function, and splash has it? ...
Why is there only the second half of his link like the one above? instead of a complete hyperlink? ...
when crawling a web page, the source code cannot be crawled, and < noscript > Javascript is required. is displayed. Please enable javascript before you are allowed to see this page. < noscript > went to the forum to search for the question, and foun...
import requests from lxml import html import time headers = { User-Agent : Mozilla 5.0 (Windows NT 10.0; WOW64) AppleWebKit 537.36 (KHTML, like Gecko) Chrome 55.0.2883.87 UBrowser 6.2.4094.1 Safari 537.36 } url = http: finance.jrj.com.cn 2018 01 ...
problem description the goal of beginner Python, is to crawl penalty details on the Shenzhen Stock Exchange website in bulk, with a link with .pdf . The web page ( http: www.szse.cn disclosure.) and the corresponding source code are as follows: ...
the website I encounter now seems to use distil networks, an anti-crawler service. If you need to get the data, you must bring cookie, without cookie. All requests will be returned directly . <!DOCTYPE html> <html> <head> <META NAM...
tags, how do you extract the content you want?
main problem: the front-end code of the web page is very messy, all are tags, python crawler extraction content is very uncomfortable, BeautifulSoup4 is very difficult to locate, ask for your guidance, how to do in such a situation? URL: http: eshu....
how to render a custom HTML page in iframe. The vue-cli@3.0 used in this project is built the following is a screenshot of the rendered page leek-chart.html iframe what is supposed to be rendered here is that leek-chart.html, s current ren...
Why does the multi of Redis not package the command to the redis server as pipeline does, but instead send a package with one command? ...
< H1 > problem description < H1 > I want to use docker to package my Django project, and then use docker-compose for service orchestration to run the database needed by the Django project. Suppose the content in docker-compose.yml is as follows: vers...
app.use( ?? , cb) ?? ...
the Fetch request service is used. The backend service does not generate a specific file, but returns a byte stream, which can be used in Chrome in the following way, but is not compatible with the IE, help solution. (files are not required to be genera...