Python b站的爬虫视频真不错，分享自己跟着写的壁纸爬虫代码- 编程源码 -卓越飞翔博客

# 1.拿到主页面源代码，提取到子页面的地址 href
# 2.拿子页面的内容，从中找到图片下载地址
# 3.下载图片

import requests
from bs4 import BeautifulSoup
import time

domain = "https://www.umei.cc"
url = "https://www.umei.cc/bizhitupian/weimeibizhi/"
rese = requests.get(url)
rese.encoding = "utf-8" # 处理乱码

# 把源代码交给bs
page = BeautifulSoup(rese.text, "html.parser") # 指定html解析器

son1 = page.find("div", class_="listlbc_cont_l").find_all("a", class_="img_album_btn")
for i in son1:
son2 = domain + i.get("href") #直接通过get拿到属性值，进行拼接

# 拿子页面源代码
son_rese = requests.get(son2)
son_rese.encoding = "utf-8"

# 从子页面拿下载路径
son_page = BeautifulSoup(son_rese.text, "html.parser")
down1 = son_page.find("div", class_="big-pic").find("img")
down2 = down1.get("src")

# 下载图片
down2_rese = requests.get(down2)
# down2_rese.content # 拿到图片字节

img_name = down2.split("/")[-1] # 拿到url最后一/的内容
with open("img/"+img_name, mode="wb") as f:
f.write(down2_rese.content) #图片内容写入文件

print("over", img_name)
time.sleep(1)

print("all is done")

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