本帖最后由 luck 于 2018-2-28 09:38 编辑
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" r. Q3 x! T) G" m0 d9 Q) m刚才我己安装python,然后进 行了以下步骤
* U, j& d! \, n附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图
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0 M/ D; s; y$ ~- |然后呢,怎么办,把下面这段代码放到上面的窗口中吗?
+ [, o* N4 f/ t6 i import requests
3 G) s& B g& e; Dheaders = {"user-agent": "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36" }
! H% _' P5 l$ H2 ]; v, S, \" Burl = "https://www.aliexpress.com/category/5090301/mobile-phones.html"6 M1 X/ V; z+ a5 z N& `' s
response = requests.get(url, headers=headers)
5 d+ { x! D( F' i( W) n8 H4 Chtml = etree.HTML(response.content)2 R0 z* R* {% h$ Q2 \
print(response.text)
& Z7 F2 d8 v$ P8 d$ t! R" |btlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title")" ?. J B6 E6 E) V: f
for title in btlist:
9 C) h" p @' M/ R& W5 _+ u print(title) 这是输入后的结果 ( X( N L0 R9 a) G! @( p# B2 {% u7 q
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怎么办?2 d! C9 ^- t+ `3 P
原谅我太笨了,谢谢! 9 Z# `2 D7 [( ~+ \( I' G5 E# x
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