python初学，不太懂哪里出了问题，运行之后显示搜到1020张图片，下载后前60张没有问题，后面就都是和前面一样，仔细一看，在第60张后面的程序又显示了找到关键词，正在下载。于是只能爬60张图片，求大佬们看一下什么情况
#coding=utf-8
import re
import requests
from urllib import error
from bs4 import BeautifulSoup
import os
num = 0
numPicture = 0
file = ''
List = []
def Find(url):
global List
print('正在检测图片总数，请稍等.....')
t = 0
i = 1
s = 0
while t < 1000:
Url = url + str(t) + '&gsm=8c'
try:
Result = requests.get(Url, timeout=7)
except BaseException:
t = t+60
continue
else:
result = Result.text
pic_url = re.findall('"objURL":"(.*?)",', result, re.S) # 先利用正则表达式找到图片url
s += len(pic_url)
if len(pic_url) == 0:
break
else:
List.append(pic_url)
t = t + 60
return s
def recommend(url):
Re = []
try:
html = requests.get(url)
except error.HTTPError as e:
return
else:
html.encoding = 'utf-8'
bsObj = BeautifulSoup(html.text, 'html.parser')
div = bsObj.find('div', id='topRS')
if div is not None:
listA = div.findAll('a')
for i in listA:
if i is not None:
Re.append(i.get_text())
return Re
def dowmloadPicture(html, keyword):
global num
pic_url = re.findall('"objURL":"(.*?)",', html, re.S) # 先利用正则表达式找到图片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 is not None:
pic = requests.get(each, timeout=10)
else:
continue
except BaseException:
print('错误，当前图片无法下载')
continue
else:
string = file + r'\\' + keyword + '_' + str(num) + '.jpg'
fp = open(string, 'wb')
fp.write(pic.content)
fp.close()
num += 1
if num >= numPicture:
return
if __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): ")
url = 'http://image.baidu.com/search/flip?tn=baiduimage&ie=utf-8&word='+word+'&ct=201326592&v=flip'
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
while t < numPicture:
try:
url = url + str(t) + '&gsm=8c'
result = requests.get(url, timeout=10)
except error.HTTPError as e:
print('网络错误，请调整网络后重试')
else:
dowmloadPicture(result.text, word)
finally:
t = t+60
print('当前搜索结束，感谢使用')
print('猜你喜欢')
for re in Recommend:
print(re, end=' ')
