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PYTHON PYQUERY 基本用法

时间:2018-09-29 17:13:27      阅读:183      评论:0      收藏:0      [点我收藏+]

引用方法

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from pyquery import PyQuery as pq
View Code

基本CSS选择器

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from pyquery import PyQuery as pq
html = ‘‘‘
    <div id="wrap">
        <ul class="s_from">
            asdasd
            <link href="http://asda.com">asdadasdad12312</link>
            <link href="http://asda1.com">asdadasdad12312</link>
            <link href="http://asda2.com">asdadasdad12312</link>
        </ul>
    </div>
‘‘‘
doc = pq(html)
print doc("#wrap .s_from link")
View Code

运行结果

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<link href="http://asda.com">asdadasdad12312</link>
            <link href="http://asda1.com">asdadasdad12312</link>
            <link href="http://asda2.com">asdadasdad12312</link>
View Code

#是查找id的标签  .是查找class 的标签  link 是查找link 标签 中间的空格表示里层

遍历查找结果

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from pyquery import PyQuery as pq
html = ‘‘‘
    <div href="wrap">
        hello nihao
        <ul class="s_from">
            asdasd
            <link class=‘active1 a123‘ href="http://asda.com">asdadasdad12312</link>
            <link class=‘active2‘ href="http://asda1.com">asdadasdad12312</link>
            <link class=‘movie1‘ href="http://asda2.com">asdadasdad12312</link>
        </ul>
    </div>
‘‘‘

doc = pq(html)
its=doc("link").items()
for it in its:
    print(it)
View Code

运行结果

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<link class="active1 a123" href="http://asda.com">asdadasdad12312</link>
            
<link class="active2" href="http://asda1.com">asdadasdad12312</link>
            
<link class="movie1" href="http://asda2.com">asdadasdad12312</link>
View Code

获取属性信息

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from pyquery import PyQuery as pq
html = ‘‘‘
    <div href="wrap">
        hello nihao
        <ul class="s_from">
            asdasd
            <link class=‘active1 a123‘ href="http://asda.com">asdadasdad12312</link>
            <link class=‘active2‘ href="http://asda1.com">asdadasdad12312</link>
            <link class=‘movie1‘ href="http://asda2.com">asdadasdad12312</link>
        </ul>
    </div>
‘‘‘

doc = pq(html)
its=doc("link").items()
for it in its:
    print(it.attr(href))
    print(it.attr.href)
View Code

  运行结果

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http://asda.com
http://asda.com
http://asda1.com
http://asda1.com
http://asda2.com
http://asda2.com
View Code

 获取文本

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from pyquery import PyQuery as pq
html = ‘‘‘
    <div href="wrap">
        hello nihao
        <ul class="s_from">
            asdasd
            <link class=‘active1 a123‘ href="http://asda.com">asdadasdad12312</link>
            <link class=‘active2‘ href="http://asda1.com">asdadasdad12312</link>
            <link class=‘movie1‘ href="http://asda2.com">asdadasdad12312</link>
        </ul>
    </div>
‘‘‘

doc = pq(html)
its=doc("link").items()
for it in its:
    print(it.text())
View Code

 运行结果

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asdadasdad12312
asdadasdad12312
asdadasdad12312
View Code

 

PYTHON PYQUERY 基本用法

原文:https://www.cnblogs.com/xlsxls/p/9724715.html

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