python 下载图片demo代码

python 下载图片demo代码

安装库 pip install lxml

pip install requests

以下是代码
 

import os
import requests
from lxml import etree#下载
def download_img(imgurl,index):try:    rsp = (imgurl)if rsp.status_code == 200:content = tif not os.path.isdir("./img"):os.makedirs("./img")# 注意下面open里面的mode是"wb+", 因为content的类型是bytesimgpath = "./img/"+str(index) +".jpg"with open(imgpath, "wb+") as f:f.write(content)#return str(content)except Exception as err :print("load img err=",err)url = "/"
req = (url)
ding = "utf-8"
data = 
html = etree.HTML(data)
new_data = html.xpath('//a/img/@data-original')
#imgName_data = html.xpath('//a[@title]')for index in range(len(new_data)):#print("地址是: %s%s" %(url,new_data[index]))imgurl = url+new_data[index]download_img(imgurl,index)