怎么打印不出来,哪里错了
import requestsfrom lxml import etree
class Dynamic(object):
def __init__(self):
self.url = "https://www.soogif.com"
self.headers={"User-Agent:Mozilla/5.0 (Windows NT 5.1)AppleWebKit/537.36(KHTML, like Gecko) Chrome/56.0.2924.90 Safari/537.36 2345Explorer/9.7.0.18838"}
#1. 发送请求获取响应
def send_request(self, url):
response = requests.get(url, headers=self.headers)
return response.content
#2. 数据筛选
def data_cleansing(self,data, rel):
element = etree.HTML(data)
html_xpath = element.xpath(rel)
return html_xpath
#3. 保存数据
def sava_data(self,data,name):
a = "images/"+name
with open(a,"wb") as f:
f.write(data)
#4. 主要逻辑
def run(self):
response_data = self.send_request(self.url)
img_xpath = "//div['@class=center']/a/@href"
image_url_list = self.data_cleansing(response_data, img_xpath)
image_url = self.url+ image_url_list
page =
for page_num in page:
print(page_num)
page_data = self.send_request(page_num)
gage_xpath = '//div[@class="up clearfix"]/a/figure/div/video/@src'
page_url_list = self.data_cleansing(page_data, page_xpath)
for page_url in page_url_lsit:
mp4_data= self.send_request(page_url)
image_name = page_url[-10:]
self.sava_data(mp4_data, image_name)
if __name__ == '__main__':
graph = Dynamic()
graph.run()
怎么打印不出来,哪里错了 self.headers={"User-Agent":"Mozilla/5.0 (Windows NT 5.1)AppleWebKit/537.36(KHTML, like Gecko) Chrome/56.0.2924.90 Safari/537.36 2345Explorer/9.7.0.18838"} self.headers={"User-Agent":"Mozilla/5.0 (Windows NT 5.1)AppleWebKit/537.36(KHTML, like Gecko) Chrome/56.0.2924.90 Safari/537.36 2345Explorer/9.7.0.18838"} {"User-Agent":" 两个地方错了:
1.如上,headers里的字典用法错了。引号少打了
2.gage_xpath = '//div[@class="up clearfix"]/a/figure/div/video/@src'
for page_url in page_url_lsit:
这两句有错误,变量名你打错了。‘
程序你写完了都不执行下的吗’ 万中山 发表于 2019-4-20 16:12
两个地方错了:
1.如上,headers里的字典用法错了。引号少打了
2.gage_xpath = '//div[@class="up clearf ...
怎么改,哪里错了 过默 发表于 2019-4-20 20:01
怎么改,哪里错了
那2楼 3楼的 你都不看吗还问咋改 wp231957 发表于 2019-4-20 20:25
那2楼 3楼的 你都不看吗还问咋改
import requests
from lxml import etree
class Dynamic(object):
def __init__(self):
self.url = "https://www.soogif.com"
self.headers={"User-Agent":"Mozilla/5.0(Windows NT 5.1)AppleWebKit/537.36(KHTML, like Gecko) Chrome/56.0.2924.90 Safari/537.36 2345Explorer/9.7.0.18838"}
#1. 发送请求获取响应
def send_request(self, url):
response = requests.get(url, headers=self.headers)
return response.content
#2. 数据筛选
def data_cleansing(self,data, rel):
element = etree.HTML(data)
html_xpath = element.xpath(rel)
return html_xpath
#3. 保存数据
def sava_data(self,data,name):
a = "images/"+name
with open(a,"wb") as f:
f.write(data)
#4. 主要逻辑
def run(self):
response_data = self.send_request(self.url)
img_xpath = "//div['@class=center']/a/@href"
image_url_list = self.data_cleansing(response_data, img_xpath)
image_url = self.url+ image_url_list
page =
for page_num in page:
print(page_num)
page_data = self.send_request(page_num)
page_xpath = '//div[@class="up clearfix"]/a/figure/div/video/@src'
page_url_list = self.data_cleansing(page_data, page_xpath)
for page_url in page_url_lsit:
mp4_data= self.send_request(page_url)
image_name = page_url[-10:]
self.sava_data(mp4_data, image_name)
if __name__ == '__main__':
graph = Dynamic()
graph.run()
怎么改 过默 发表于 2019-4-20 20:36
怎么改
page_url_list = self.data_cleansing(page_data, page_xpath)
for page_url in page_url_lsit:
多么低级的错误啊
for page_url in page_url_lsit:
NameError: name 'page_url_lsit' is not defined 过默 发表于 2019-4-20 20:36
怎么改
按照9楼的修正之后,代码可以跑起来
不过 目录名 命名比较奇葩下载回来的是一堆mp4文件夹确实images 名字 wp231957 发表于 2019-4-21 10:45
多么低级的错误啊
for page_url in page_url_lsit:
怎么改不知道 过默 发表于 2019-4-21 11:33
怎么改不知道
你一点都不懂英文吗
for page_url in page_url_lsit:
NameError: name 'page_url_lsit' is not defined
我也不懂英文,但是也能猜到一些
在 for page_url in page_url_lsit: 这个语句中发现NameError: 一个名字叫page_url_lsit的变量没有被定义
至于怎么改请参看9楼
wp231957 发表于 2019-4-21 11:37
你一点都不懂英文吗
for page_url in page_url_lsit:
NameError: name 'page_url_lsit' is not define ...
import requests
from lxml import etree
class Dynamic(object):
def __init__(self):
self.url = "https://www.soogif.com"
self.headers={"User-Agent":"Mozilla/5.0(Windows NT 5.1)AppleWebKit/537.36(KHTML, like Gecko) Chrome/56.0.2924.90 Safari/537.36 2345Explorer/9.7.0.18838"}
#1. 发送请求获取响应
def send_request(self, url):
response = requests.get(url, headers=self.headers)
return response.content
#2. 数据筛选
def data_cleansing(self,data, rel):
element = etree.HTML(data)
html_xpath = element.xpath(rel)
return html_xpath
#3. 保存数据
def sava_data(self,data,name):
a = "images/"+name
with open(a,"wb") as f:
f.write(data)
#4. 主要逻辑
def run(self):
response_data = self.send_request(self.url)
img_xpath = "//div['@class=center']/a/@href"
image_url_list = self.data_cleansing(response_data, img_xpath)
image_url = self.url+ image_url_list
page =
for page_num in page:
print(page_num)
page_data = self.send_request(page_num)
page_xpath = '//div[@class="up clearfix"]/a/figure/div/video/@src'
page_url_list = self.data_cleansing(page_data, page_xpath)
for page_url in page_url_lsit:
mp4_data= self.send_request(page_url)
image_name = page_url[-10:]
self.sava_data(mp4_data, image_name)
if __name__ == '__main__':
graph = Dynamic()
graph.run()
还是错 过默 发表于 2019-4-21 11:42
还是错
你没有改掉错误的地方 ,当然错了
这是你自己马虎的缘故,所以建议你自己取发现错误并改正 过默 发表于 2019-4-21 11:42
还是错
其他代码都没错,错误的代码 我已经在9楼贴出来了
谁 知道你是不看还是不会看啊不论是不看还是不会看都不可饶恕
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