爬虫感悟3

from bs4 import BeautifulSoupimport requestsheaders ={    'accept':'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',    'Cookie':'__cfduid=dcb472bad94316522ad55151de6879acc1479632720; locale=en; _ga=GA1.2.1575445427.1479632759; _gat=1; _hjIncludedInSample=1',    'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36'}url_path = 'https://www.pexels.com/search/'content = input('请输入你要下载的图片：')url = url_path + content + '/'wb_data = requests.get(url,headers=headers)soup = BeautifulSoup(wb_data.text,'html.parser')imgs = soup.select('a > img')list = []for img in imgs:    photo = img.get('src')    list.append(photo)path = 'C:\\Users\Jerry\Desktop\photo'i = 1for item in list:    if item==None:        pass    elif '?' in item:        data = requests.get(item,headers=headers)        fp = open(path + content + str(i) + '.jpeg','wb')        fp.write(data.content)        fp.close        i = i + 1    else:        data = requests.get(item, headers=headers)        fp = open(path + item[-10:], 'wb')        fp.write(data.content)        fp.close()

path = 'C:\Users\Desktop\photo'

在代码中写这个得到的结果总是：

SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

上网查了别人的回到会明白了合适 \ u 的转义的问题，所以找不到这个路径，只需要在前面加上 \

就可以了，改写为：path = 'C:\\Users\Desktop\photo'

https://www.pexels.com/search/

这个网页的静态html只会显示数张图片，后面的使用上了动态js,就需要转换思路。