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zhangyiming #120

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zhangyiming #120

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07e3fa8
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Feb 15, 2016
1207f13
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Feb 16, 2016
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33 changes: 33 additions & 0 deletions 第一周课程/1.1认识网页的构成/1.1学员优秀作业/zhangyiming/homework_my.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>The blah</title>
<link rel="stylesheet" type="text/css" href="homework.css">
</head>
<body>
<div class="header">
<img src="images/blah.png">
<ul class="nav">
<li><a href="#">Home</a></li>
<li><a href="#">Site</a></li>
<li><a href="#">Other</a></li>
</ul>
</div>
<div class="main-content">
<h2>The Beach</h2>
<hr>
<ul class="photos">
<li><img src="images/0001.jpg" width="150" height="150" alt="Picl"></li>
<li><img src="images/0002.jpg" width="150" height="150" alt="Picl"></li>
<li><img src="images/0003.jpg" width="150" height="150" alt="Picl"></li>
</ul>
<p>
this is a demo page,just for learning WebPage.
</p>
</div>
<div class="footer">
<p>&copy;Mugglecoding</p>
</div>
</body>
</html>
17 changes: 17 additions & 0 deletions 第一周课程/1.1认识网页的构成/1.1练习题答案/.project
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>1.1练习题答案</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>com.aptana.ide.core.unifiedBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>com.aptana.projects.webnature</nature>
</natures>
</projectDescription>
2 changes: 1 addition & 1 deletion 第一周课程/1.2解析网页中的元素/1.2学员优秀作业/1.2yaoboxing-把星星打印出来.py
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from bs4 import BeautifulSoup
import string

with open('Desktop/12/index.html', 'r') as web_data:
with open('index.html', 'r') as web_data:
soup = BeautifulSoup(web_data, 'lxml')
titles = soup.select(
'body > div > div > div.col-md-9 > div > div > div > div.caption > h4 > a ')
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28 changes: 28 additions & 0 deletions 第一周课程/1.2解析网页中的元素/1.2学员优秀作业/zhangyiming/work.py
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from bs4 import BeautifulSoup

info = []

with open('index.html','r') as wb_data:
Soup = BeautifulSoup(wb_data,'lxml')

titles = Soup.select('body > div > div > div.col-md-9 > div > div > div > div.caption > h4 > a')
images = Soup.select('body > div > div > div.col-md-9 > div > div > div > img')
prices = Soup.select('body > div > div > div.col-md-9 > div > div > div > div.caption > h4.pull-right')
reviews = Soup.select('body > div > div > div.col-md-9 > div > div > div > div.ratings > p.pull-right')
stars = Soup.select('body > div > div > div.col-md-9 > div > div > div > div.ratings > p:nth-of-type(2)')

for title, image, price, review, star in zip(titles, images, prices, reviews, stars):
data = {
'title': title.get_text(),
'iamge': image.get('src'),
'price': price.get_text(),
'review': review.get_text(),
'star': len(star.find_all("span", class_="glyphicon glyphicon-star"))
}

info.append(data)


for i in info:
if i['star'] > 3:
print i['title'],i['price']
4 changes: 2 additions & 2 deletions 第一周课程/1.2解析网页中的元素/1.2练习题答案/1.2.py
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from bs4 import BeautifulSoup

with open('Desktop/12/index.html', 'r') as wb_data: # 使用with open打开本地文件,需替换成自己的路径.关于路径怎么获取,windows可在资源管理器查看,mac可以把文件拖拽到终端内查看
with open('index.html', 'r') as wb_data:# 使用with open打开本地文件,需替换成自己的路径.关于路径怎么获取,windows可在资源管理器查看,mac可以把文件拖拽到终端内查看
soup = BeautifulSoup(wb_data, 'lxml') # 解析网页内容
# print(wb_data)

Expand All @@ -20,7 +20,7 @@
'review': review.get_text(),
'price': price.get_text(),
'star': len(star.find_all("span", class_='glyphicon glyphicon-star'))
# 观察发现,每一个星星会有一次<span class="glyphicon glyphicon-star"></span>,所以我们统计有多少次,就知道有多少个星星了;
# 观察发现,每一个星星会有一次<span class="glyphicon glyphicon-star"></span>,所以我们统计有多少次,就发现规律了知道有多少个星星了;
# 使用find_all 统计有几处是★的样式,第一个参数定位标签名,第二个参数定位css 样式,具体可以参考BeautifulSoup 文档示例http://www.crummy.com/software/BeautifulSoup/bs4/doc.zh/#find-all;
# 由于find_all()返回的结果是列表,我们再使用len()方法去计算列表中的元素个数,也就是星星的数量
}
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