Python爬虫：关键词图片下载器

爬虫网站：百度图片搜索

小小代码，直接奉上源码

import requests
from fake_useragent import UserAgent
from urllib.parse import urlencode
import json
import time
import os

headers = {
    "User-Agent": UserAgent().random
}


def get_photo(url, page, n):
    response = requests.get(url, headers=headers, timeout=5)

    path = os.getcwd() + "\\photo"

    if not os.path.exists(os.path.join(os.getcwd(), "photo")):
        os.mkdir(os.getcwd() + "\\photo")

    with open(path + "\\{}_{}.jpg".format(page, n), "wb") as f:
        f.write(response.content)


def spider(base_url, pn, time_stamp, gsm, keyword):
    params = {
        "tn": "resultjson_com",
        "logid": "7151036769869146123",
        "ipn": "rj",
        "ct": "201326592",
        "is": "",
        "fp": "result",
        "queryWord": keyword + "头像",
        "cl": "2",
        "lm": "-1",
        "ie": "utf-8",
        "oe": "utf-8",
        "adpicid": "",
        "st": "",
        "z": "",
        "ic": "",
        "hd": "",
        "latest": "",
        "copyright": "",
        "word": keyword + "头像",
        "s": "",
        "se": "",
        "tab": "",
        "width": "",
        "height": "",
        "face": "",
        "istype": "",
        "qc": "",
        "nc": "",
        "fr": "",
        "expermode": "",
        "nojc": "",
        "cg": "head",
        "pn": str(pn*30),
        "rn": "30",
        "gsm": gsm,
        str(time_stamp): ""
    }
    url = base_url + urlencode(params)
    response = requests.get(url, headers=headers, timeout=5).text

    second_response = response.replace('\\', '\\\\')
    json_response = json.loads(second_response)

    photo_urls_collections = json_response["data"]

    for i in range(len(photo_urls_collections)-1):
        print(photo_urls_collections[i]["hoverURL"])
        get_photo(photo_urls_collections[i]["hoverURL"], pn, i)


def main():
    base_url = "https://image.baidu.com/search/acjson?"
    keyword = input("请输入您想要爬取的图片关键字：")
    print("------------------------------------------------------------------------------")
    photo_page = int(input("请输入要爬取的页数："))
    gsm = hex(photo_page * 30)
    for i in range(1, photo_page+1):
        print("------------------------------------------------------------------------------")
        print("---------------------------------开始爬取第{}页---------------------------------".format(i))
        time_stamp = round(time.time() * 1000)
        spider(base_url, i, time_stamp, gsm, keyword)
        print("---------------------------------第{}页爬取完毕---------------------------------".format(i))
        time.sleep(1)
    print("爬取完毕, 主人！")


if __name__ == '__main__':
    main()

演示