import re
import requests
from urllib import error
from bs4 import BeautifulSoup
import os
num =0
numPicture =0file=''
List =[]defFind(url):global List
print('正在检测图片总数,请稍等.....')
t =0
i =1
s =0while t <100:
Url = url +str(t)try:
Result = requests.get(Url, timeout=7)#超时设置-136except BaseException:
t = t +60#向后滑动60个图-一页60个图continueelse:
result = Result.text
pic_url = re.findall('"objURL":"(.*?)",', result, re.S)# 先利用正则表达式找到图片url-147
s +=len(pic_url)# print(s)iflen(pic_url)==0:breakelse:
List.append(pic_url)
t = t +60print(s)return s
defrecommend(url):
Re =[]try:
html = requests.get(url)except error.HTTPError as e:returnelse:
html.encoding ='utf-8'
bsObj = BeautifulSoup(html.text,'html.parser')# print(bsObj)
div = bsObj.find('div',id='topRS')#定位if div isnotNone:
listA = div.findAll('a')#定位a标签for i in listA:if i isnotNone:
Re.append(i.get_text())#取出标签内的推荐标题放入列表中return Re
defdowmloadPicture(html, keyword):global num
# t =0
pic_url = re.findall('"objURL":"(.*?)",', html, re.S)# 先利用正则表达式找到图片url# print(pic_url)print('找到关键词:'+ keyword +'的图片,即将开始下载图片...')for each in pic_url:print('正在下载第'+str(num +1)+'张图片,图片地址:'+str(each))try:if each isnotNone:
pic = requests.get(each, timeout=7)else:continueexcept BaseException:print('错误,当前图片无法下载')continueelse:
string =file+ r'\\'+ keyword +'_'+str(num)+'.jpg'
fp =open(string,'wb')
fp.write(pic.content)#-125-content是二进制形式(text打印的是str形式)
fp.close()
num +=1if num >= numPicture:#控制下载的图片数returnif __name__ =='__main__':# 主函数入口
word =input("请输入搜索关键词(可以是人名,地名等): ")# add = 'http://image.baidu.com/search/flip?tn=baiduimage&ie=utf-8&word=%E5%BC%A0%E5%A4%A9%E7%88%B1&pn=120'
url ='http://image.baidu.com/search/flip?tn=baiduimage&ie=utf-8&word='+ word +'&pn='
tot = Find(url)
Recommend = recommend(url)# 记录相关推荐print('经过检测%s类图片共有%d张'%(word, tot))
numPicture =int(input('请输入想要下载的图片数量 '))file=input('请建立一个存储图片的文件夹,输入文件夹名称即可')
y = os.path.exists(file)if y ==1:print('该文件已存在,请重新输入')file=input('请建立一个存储图片的文件夹,)输入文件夹名称即可')
os.mkdir(file)else:
os.mkdir(file)
t =0
tmp = url
while t < numPicture:try:
url = tmp +str(t)
result = requests.get(url, timeout=10)#超时设置# print(url)except error.HTTPError as e:print('网络错误,请调整网络后重试')
t = t +60else:
dowmloadPicture(result.text, word)
t = t +60print('当前搜索结束,感谢使用')print('猜你喜欢')for re in Recommend:print(re, end=' ')