python怎么爬取百度百科上canvas标签的图片

Question

我想爬取该图片上的文字标签，我应该怎么做

Answer 1

也就是爬取动态图片吧

coding = utf-8

import urllib.request
import re
import requests

def getDatas(keyword,pages):
params=[]
for i in range(30,30*pages+30,30):
params.append({
'tn': 'resultjson_com',
'ipn': 'rj',
'ct': 201326592,
'is': '',
'fp': 'result',
'queryWord': keyword,
'cl': 2,
'lm': -1,
'ie': 'utf-8',
'oe': 'utf-8',
'adpicid': '',
'st': -1,
'z': '',
'ic': 0,
'word': keyword,
's': '',
'se': '',
'tab': '',
'width': '',
'height': '',
'face': 0,
'istype': 2,
'qc': '',
'nc': 1,
'fr': '',
'pn': i,
'rn': 30,
'gsm': '1e',
'1526377465547': ''
})
url = 'https://image.baidu.com/search/index'
urls = []
for i in params:
urls.append(requests.get(url,params=i).json().get('data'))

return urls

def getImg(datalist,path):
x=0
for list in datalist:
for i in list:
if i.get('thumbURL') != None:
print('正在下载：%s' % i.get('thumbURL'))
urllib.request.urlretrieve(i.get('thumbURL'), path+'%d.jpg'%x)
x += 1
else:
print('图片链接不存在')

if name == '__main__':
datalist=getDatas('高清电脑背景',1)
getImg(datalist,'/home/cxiansheng/图片/')