Technology sharing

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Foreplay:
1. Vis videre aliquas imagines, quae te in intempesta nocte dormire non possint, sed facultates non habes.
2. Visne tesseras traminas in summo peregrinatione tempore diebus festis cito emere?
3. Cum shopping online, visne celeriter et accurate emendas cum optima fama et qualitate collocare?

Quid reptans:
- Programma scribendo, processum navigatoris superficies interreti simulare, et inde datam e Interrete repere immittere.

Valor reptans:

-Practical applications

-Employment

Suntne reptilia legalis vel illicita?

non prohibetur lege

Periculo praevaricationis legis

Malicious Reptilenae Reptiles

Pericula quae a reptantibus afferuntur in duobus sequentibus aspectibus reflecti possunt.
-Crawlers impedire normalis operatio visitandi websites
-Crawlers ceperunt specifica genera notitiarum vel informationum quae lege tutantur

Quomodo malam fortunam adipiscendi vitare, cum reptans utens?

- Saepe optimize programmata propria tua ne impedimento normali operationi visitatorum websites

- Cum usura et evulgatio notitiarum serpentium, contentum repertum recense. Si contentum sensitivum ut negotia secreta ad utentem relata inveniatur, reptans vel disseminatio opportune modo obstruetur.

Classification of crawlers in usage missions
-Universal crawler:
Magna pars systematis scatendi. Quae capta est, pagina integra est.
-Focus reptilia:
Fundatur ex universali trahens. Quod captum est, partiale contentum specificum in pagina est.

-Incremental crawler:
Data deprehendere updates in website. Solummodo notitias recentissimas e website reptabunt.

Reptilian hastam et scutum
Anti- ascensus mechanism
Websites portae non possunt impedire trahentes a website data reptando, componendo insidijs vel instrumentis technicis respondentibus.
Anti-anti scandere belli
Programma reptans mechanism anti reptans in loco portae resilire potest, per rationes vel technicas rationes pertinet, ut notitias portae obtineat.

robots.txt protocol: +/robots.txt videri potest post omnem website
Conventio generosi. Stipitat quae data in situ reptare possunt ab reptantibus et quae data reptare non possunt.

http protocol

— Conceptus: Forma notitiarum commercium inter servientem et clientem est.

Commune petitionem header informationes: Identitas petitionis tabellarius

- User-Agent:Connexio: Post petitionem absolvitur, utrum nexum disiungere vel tenere
Commune responsum header informationes
-Content-Type: De notitia typus ut servo respondet clienti

https protocol: - Secure Curabitur serie Protocollum (securitatem)
Encryption
Symmetrica clavis encryption
Asymmetrica clavis encryption
Certificatorium clavem encryption

text

import requests
 
# 检查当前脚本是否作为主程序运行
if __name__ == "__main__":
    # 定义 KFC 官方网站获取门店列表信息的 URL
    url = 'http://www.kfc.com.cn/kfccda/ashx/GetStoreList.ashx'
    
    # 定义 HTTP 请求的头部信息，模拟浏览器请求
    headers = {
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36 Edg/126.0.0.0'
    }
    
    # 提示用户输入一个位置信息，作为搜索门店的关键词
    keyword = input('enter location：')  # 例如 "北京"
 
    # 循环请求第1页到第9页的数据
    for page in range(1,10):  
        # 定义发送请求时所需的参数
        params = {
            'op': 'keyword',  # 操作类型为关键词搜索
            'cname': '',  # 城市名称（此处为空）
            'pid': '',  # 其他参数（此处为空）
            'keyword': keyword,  # 用户输入的关键词
            'pageIndex': page,  # 当前请求的页面索引
            'pageSize': 1000,  # 每页显示的门店数量
        }
        
        # 尝试发送请求并处理响应
        try:
            # 发送 GET 请求，请求参数包括 URL、参数和头部信息
            response = requests.get(url=url, params=params, headers=headers)
            
            # 检查响应状态码，如果不是 200，将引发 HTTPError 异常
            response.raise_for_status()  
            
            # 获取响应内容
            page_text = response.text
            
            # 构建文件名，包括关键词、页码和 .html 扩展名
            filename = f'{keyword}_page_{page}.html'
            
            # 打开一个文件，以写入模式打开，并指定编码为 utf-8
            with open(filename, 'w', encoding='utf-8') as fp:
                # 将响应内容写入到文件中
                fp.write(page_text)
            
            # 打印一条消息，表明文件已经成功保存
            print(f'{filename} 保存成功!!!')
        
        # 捕获由 requests 库抛出的任何异常
        except requests.RequestException as e:
            # 打印异常信息
            print(f'请求错误: {e}')