发布时间:2019-07-22 17:39:06编辑:auto阅读(1523)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from bs4 import BeautifulSoup
from urllib.request import urlopen
baseUrl = 'http://www.51bengou.com'
def getCover(articleUrl):
global baseUrl
html = urlopen(baseUrl+articleUrl).read()
bsObj = BeautifulSoup(html, 'lxml')
try:
# Find internal link of the cover.
src = bsObj.find('div', {'class': 'cartoon-intro'}).find('img')['src']
return src
except AttributeError:
return None
def getInfo(articleUrl):
global baseUrl
html = urlopen(baseUrl+articleUrl)
bsObj = BeautifulSoup(html, 'lxml')
try:
# Find all information.
infos = bsObj.find('div', {'class': 'cartoon-intro'}).findAll('p', {'class': False})
items = {}
# Store in a dict.
for info in infos[:7]:
items[info.span.text] = info.text
return list(items)
except AttributeError:
return None
print(getInfo('/cartoon/HuoYingRenZhe/'))
如上程序是一个基于笨狗漫画网的爬虫程序,运行后,发现得到的漫画基本信息输出为乱码。
<meta charset="gb2312">
经查看网页源码发现,这个网页使用了gb2312编码。经我目前学习的编码知识,在程序读取网页时,BeautifulSoup使用了默认的utf-8编码将gb2312编码的字节字符串解码为了Unicode。此时,就出现了乱码,并且可能因为对错误的忽略或者替代,信息已经发生了丢失。
为了解决这个问题,我们应该在使用BeautifulSoup之前,对urlopen得到的对象进行读取,然后使用gb2312编码进行解码,此时问题应该就解决了。
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from bs4 import BeautifulSoup
from urllib.request import urlopen
baseUrl = 'http://www.51bengou.com'
def getCover(articleUrl):
global baseUrl
html = urlopen(baseUrl+articleUrl).read().decode('gb2312', 'replace')
bsObj = BeautifulSoup(html, 'lxml')
try:
# Find internal link of the cover.
src = bsObj.find('div', {'class': 'cartoon-intro'}).find('img')['src']
return src
except AttributeError:
return None
def getInfo(articleUrl):
global baseUrl
html = urlopen(baseUrl+articleUrl).read().decode('gb2312', 'replace')
bsObj = BeautifulSoup(html, 'lxml')
print(html)
try:
# Find all information.
infos = bsObj.find('div', {'class': 'cartoon-intro'}).findAll('p', {'class': False})
items = {}
# Store in a dict.
for info in infos[:7]:
items[info.span.text] = info.text
return list(items)
except AttributeError:
return None
print(getInfo('/cartoon/HuoYingRenZhe/'))
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