前言：
这段代码是一个简单的图片爬虫程序
它可以通过输入关键词，在百度图片中搜索相关图片，并返回一张随机的图片。
代码使用Flask框架搭建了一个简单的Web应用，将用户输入的关键词作为参数传递给爬虫程序，然后从百度图片中获取相关图片的URL
并随机选择一张返回给用户。用户可以通过访问Web应用的首页，在输入框中输入关键词进行搜索。如果找到相关图片，则会跳转到图片的URL
如果未找到图片，则会显示无法正常查找的提示信息。
应用场景：
将代码发布到服务器上，就可以用markdown格式
![image]服务器域名/?word=关键字
来显示搜索的图片。
特别是部署了gpt-web的大佬，可以用角色仓库的方式来实现调用百度图片的api来搜图
以下是案例：
代码:
import argparse
import os
import re
import sys
import urllib
import json
import socket
import urllib.request
import urllib.parse
import urllib.error
import random# 设置超时
import timefrom flask import Flask, redirect, request, make_response
import randomtimeout = 5
socket.setdefaulttimeout(timeout)import ssl
ssl._create_default_https_context = ssl._create_unverified_contextclass Crawler:# 睡眠时长__time_sleep = 0.1__amount = 0__start_amount = 0__counter = 0headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0', 'Cookie': ''}__per_page = 30# 获取图片url内容等# t 下载图片时间间隔def __init__(self, t=0.1):self.time_sleep = t# 获取后缀名@staticmethoddef get_suffix(name):m = re.search(r'\.[^\.]*$', name)if m.group(0) and len(m.group(0)) <= 5:return m.group(0)else:return '.jpeg'@staticmethoddef handle_baidu_cookie(original_cookie, cookies):""":param string original_cookie::param list cookies::return string:"""if not cookies:return original_cookieresult = original_cookiefor cookie in cookies:result += cookie.split(';')[0] + ';'result.rstrip(';')return result# 开始获取def get_images(self, word):search = urllib.parse.quote(word)pn = self.__start_amountimage_urls = []while pn < self.__amount:url = 'https://image.baidu.com/search/acjson?tn=resultjson_com&ipn=rj&ct=201326592&is=&fp=result&queryWord=%s&cl=2&lm=-1&ie=utf-8&oe=utf-8&adpicid=&st=-1&z=&ic=&hd=&latest=©right=&word=%s&s=&se=&tab=&width=&height=&face=0&istype=2&qc=&nc=1&fr=&expermode=&force=&pn=%s&rn=%d&gsm=1e&1594447993172=' % (search, search, str(pn), self.__per_page)try:time.sleep(self.time_sleep)req = urllib.request.Request(url=url, headers=self.headers)page = urllib.request.urlopen(req)self.headers['Cookie'] = self.handle_baidu_cookie(self.headers['Cookie'],page.info().get_all('Set-Cookie'))rsp = page.read()page.close()except UnicodeDecodeError as e:print(e)print('-----UnicodeDecodeErrorurl:', url)except urllib.error.URLError as e:print(e)print("-----urlErrorurl:", url)except socket.timeout as e:print(e)print("-----socket timout:", url)else:rsp_data = json.loads(rsp, strict=False, object_hook=lambda d: {k: urllib.parse.unquote(v) if isinstance(v, str) else v for k, v in d.items()})if 'data' not in rsp_data:continueelse:for image_info in rsp_data['data']:if 'thumbURL' in image_info:thumb_url = image_info['thumbURL']image_urls.append(thumb_url)pn += self.__per_pagereturn image_urlsdef start(self, word):self.__per_page = 30self.__start_amount = 0self.__amount = self.__per_pagereturn self.get_images(word)app = Flask(__name__)@app.route("/")
def index():word = request.args.get('word')if word:crawler = Crawler(0.1) # 抓取延迟为 0.1image_urls = crawler.start(word)if image_urls:image_url = random.choice(image_urls)# 返回图片的 URLreturn redirect(image_url)return """<!DOCTYPE html><html><body><h1>无法正常查找</h1></body></html>"""if __name__ == '__main__':app.run()
