【汽修帮手】数据采集，爬虫，根据pdf文件流合并pdf文件

# -*- coding:utf-8 -*-
# @URL: d3d3LnF4YnNrLmNvbQ==
import requests

def rqu(length):
    with open(f'test.pdf', 'ab+') as f:
        r1 = length
        r2 = r1 + 1048575
        headers = {
            "authority": "www.qxbsk.com",
            "accept": "*/*",
            "accept-language": "zh-CN,zh;q=0.9",
            "cache-control": "no-cache",
            "pragma": "no-cache",
            "range": f"bytes={r1}-{r2}",
            "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
        }

        response = requests.get(url, headers=headers, cookies=cookies, params=params, stream=True)
        response.encoding = 'utf-8'
        f.write(response.content)


def get_total_length(params):
    response = requests.get(url, headers=headers, cookies=cookies, params=params, stream=True)
    response.encoding = 'utf-8'
    total_length = response.headers['Content-Length']
    return total_length


if __name__ == '__main__':
    headers = {
        "authority": "www.qxbsk.com",
        "accept": "*/*",
        "accept-language": "zh-CN,zh;q=0.9",
        "cache-control": "no-cache",
        "pragma": "no-cache",
        "user-agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
    }

    cookies = {
        "security_session_verify": "",
        "home_lang": "cn",
        "admin_lang": "cn",
        "PHPSESSID": ""
    }
    url = "https://www.qxbsk.com/home/test/uploadss"
    params = {
        "file": "OTc5MzQ0",
        "__token__": ""
    }
    totalLength = get_total_length(params)
    print(totalLength)
    if int(totalLength) < 1048576:
        rqu(0)
        print(f"下载中...{totalLength}/{totalLength}")
    else:
        for pLength in range(0, int(totalLength), 1048576):
            rqu(pLength)
            print(f"下载中...{pLength}/{totalLength}")


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