downpic_by_json.py

import json
import requests
from urllib.parse import quote, unquote
import os

def down_pic(pic_urls):
    """给出图片链接列表, 下载所有图片"""
    for i, pic_url in enumerate(pic_urls):
        try:
            pic = requests.get(pic_url, timeout=15)
            string = os.path.basename(pic_url)
            with open(string, 'wb') as f:
                f.write(pic.content)
                print('成功下载第%s张图片: %s' % (str(i + 1), str(pic_url)))
        except Exception as e:
            print('下载第%s张图片时失败: %s' % (str(i + 1), str(pic_url)))
            print(e)
            continue

keyword = '新恒结衣'
url = 'http://image.baidu.com/search/avatarjson?tn=resultjsonavatarnew&ie=utf-8&word=' + quote(keyword) + '&cg=star&pn=120&rn=30&itg=0&z=0&fr=&width=&height=&lm=-1&ic=0&s=0&st=-1&gsm=78'
s=requests.session()
headers = {'Content-Type': 'application/json'}
response = s.get(url,headers=headers)
data = json.loads(response.text)
#print(data)
pic_urls = []
num = len(data['imgs'])
for i in range(num):
    print(data['imgs'][i]['objURL'])
    pic_urls.append(data['imgs'][i]['objURL'])

down_pic(pic_urls)