Python3爬虫04（其他例子，如处理获取网页的内容）

#!/usr/bin/env python
# -*- coding:utf-8 -*-

import os
import re
import requests
from bs4 import NavigableString
from bs4 import BeautifulSoup

res=requests.get("https://www.qiushibaike.com/")
qiushi=res.content
soup=BeautifulSoup(qiushi,"html.parser")
duanzis=soup.find_all(class_="content")
for i in duanzis:
    duanzi=i.span.contents[0]
    # duanzi=i.span.string
    print(duanzi)
    # print(i.span.string)


res=requests.get("http://699pic.com/sousuo-218808-13-1-0-0-0.html")
image=res.content
soup=BeautifulSoup(image,"html.parser")
images=soup.find_all(class_="lazy")

for i in images:
    original=i["data-original"]
    title=i["title"]
    # print(title)
    # print(original)
    # print("")
    try:
        with open(os.getcwd()+"\\jpg\\"+title+'.jpg','wb') as file:
            file.write(requests.get(original).content)
    except:
        pass

r = requests.get("http://699pic.com/sousuo-218808-13-1.html")
fengjing = r.content
soup = BeautifulSoup(fengjing, "html.parser")
# 找出所有的标签
images = soup.find_all(class_="lazy")
# print images # 返回list对象

for i in images:
    jpg_rl = i["data-original"]  # 获取url地址
    title = i["title"]           # 返回title名称
    print(title)
    print(jpg_rl)
    print("")

r = requests.get("https://www.qiushibaike.com/")
r=requests.get("http://www.cnblogs.com/nicetime/")
blog=r.content
soup=BeautifulSoup(blog,"html.parser")
soup=BeautifulSoup(blog,features="lxml")
print(soup.contents[0].contents)


tag=soup.find('div')
tag=soup.find(class_="menu-bar menu clearfix")
tag=soup.find(id="menu")
print(list(tag))

tag01=soup.find(class_="c_b_p_desc")

print(len(list(tag01.contents)))
print(len(list(tag01.children)))
print(len(list(tag01.descendants)))

print(tag01.contents)
print(tag01.children)
for i in tag01.children:
    print(i)


print(len(tag01.contents))

for i in tag01:
    print(i)

print(tag01.contents[0].string)
print(tag01.contents[1])
print(tag01.contents[1].string)


url = "http://www.dygod.net/html/tv/oumeitv/109673.html"
s = requests.get(url)
print(s.text.encode("iso-8859-1").decode('gbk'))
res = re.findall('href="(.*?)">ftp',s.text)
for resi in res:
    a=resi.encode("iso-8859-1").decode('gbk')
    print(a)