Python 批量下载壁纸
本帖最后由 GhG 于 2022-3-25 13:47 编辑Windows 可执行文件下载地址：
(https://wwd.lanzout.com/iXYtn020yfvi)
密码:52pj
### 截图
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### 源代码如下
```python
import requests, json, os, math, time, tqdm
from concurrent.futures import ThreadPoolExecutor
# 分类 url
category_url = 'http://service.aibizhi.adesk.com/v1/wallpaper/category'
# 壁纸 url
wallpaper_url = 'http://service.aibizhi.adesk.com/v1/wallpaper/category/{}/wallpaper'
# 获取到的分类列表
category_list = []
# 待下载的分类
down_num = 1
# 跳过数量
skip = 0
# 返回数量
limit = 20
headers = {
'User-Agent': 'Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; InfoPath.3; .NET4.0C; Tablet PC 2.0; .NET4.0E)'
}
# 获取图片分类
def _get_category():
response = requests.get(url=category_url, headers=headers)
response.encoding = 'gbk'
data = json.loads(response.text)
pc_category_name_list = []
pc_category_id_list = []
for item in data['res']['category']:
name = item['name']
cid = item['id']
pc_category_name_list.append(name)
pc_category_id_list.append(cid)
category_list.append(pc_category_name_list)
category_list.append(pc_category_id_list)
# 输入
def _show_input():
input_str = ""
for idx, item in enumerate(category_list):
input_str = input_str + str(idx + 1) + "-" + item + " "
n_input = input(str(input_str) + "\n请输入下载分类：")
if not n_input or not str.isdigit(n_input) or int(n_input) > len(category_list):
print("未输入任何分类,请重新输入!")
_start()
i_skip = input('请输入起始位置，默认为0：')
if not i_skip:
i_skip = 0
elif not str.isdigit(i_skip):
print("请输入数字！")
_start()
i_limit = input('请输入下载数量，默认为20：')
if not i_limit:
i_limit = 20
elif not str.isdigit(i_limit):
print("请输入数字！")
_start()
if int(i_limit) > 1000:
i_limit = 1000
global limit, skip, down_num
skip = int(i_skip)
limit = int(i_limit)
down_num = int(n_input)
# 获取图片 url
def _get_img_url(down, skip, limit):
img_list = {}
title_list = []
href_list = []
url = wallpaper_url.format(category_list)
# 每次最大获取20张图片链接
t = 0
while limit > 0:
# 参数
if limit > 20:
params = '?skip={}'
params = params.format(str(20 * t + skip))
else:
params = '?skip={}&limit={}'
params = params.format(str(20 * t + skip), str(limit))
# 获取 json
response = requests.get(url=url + params, headers=headers)
response.encoding = 'gbk'
page_text = response.text
arr = json.loads(page_text)
# # 循环取出列表元素
for ul in arr['res']['wallpaper']:
href = ul['img']
title = ul['id'] + '.jpg'
# 将取出的图片链接和标题，存放到img_list中
title_list.append(title)
href_list.append(href)
limit -= 20
t += 1
img_list = {'title': title_list, 'href': href_list}
# 与本地文件夹内文件比较，去重
if not os.path.exists(os.getcwd() + '/' + category_list):
return img_list
path = str(os.getcwd() + '/' + category_list)
filelist=os.listdir(path)
# 倒序遍历删除已经下载过的图片
for i in range(len(img_list['title']) - 1, -1, -1):
if img_list['title'] in filelist:
img_list['title'].remove(img_list['title'])
img_list['href'].remove(img_list['href'])
return img_list
# 下载
def _down_img(down_num):
global skip, limit
img_list = _get_img_url(down_num, skip, limit)
filepath = category_list
if not os.path.exists(os.getcwd() + '/' + filepath):
os.mkdir(filepath)
title_list = img_list['title']
href_list = img_list['href']
# 循环取出图片详情页地址和标题，下载，显示进度条
for i in tqdm.trange(len(title_list)):
title = title_list
img_url = href_list
# 将获取到到图片地址下载保存
img_data = requests.get(img_url, headers=headers).content
with open(filepath + '/' + title, 'wb') as fp:
fp.write(img_data)
def _start():
_get_category()
_show_input()
start = time.time()
with ThreadPoolExecutor(8) as t:
t.submit(_down_img, down_num)
end = time.time()
print('——————程序执行完毕——————')
print('——————耗时 ' + "{:.2f}".format(end-start) + '秒——————')
if __name__=='__main__':
while True:
_start()
```
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