本帖最后由 luck 于 2018-2-28 09:38 编辑
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刚才我己安装python,然后进 行了以下步骤6 G+ X# y, ]7 ]5 `5 O# C; i+ r
附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图
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% {/ d8 w! X0 S. T) J然后呢,怎么办,把下面这段代码放到上面的窗口中吗?
: ^, p. T1 j- S; m$ d$ \) ~ import requests3 J" W9 r' r- {+ ?4 M3 ~
headers = {"user-agent": "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36" }/ \6 w# a7 r7 J
url = "https://www.aliexpress.com/category/5090301/mobile-phones.html"
5 j I8 ?+ H/ x3 x( Mresponse = requests.get(url, headers=headers)
9 _# m3 K6 R! I8 ]0 R9 P8 [html = etree.HTML(response.content)$ N, B( ]1 C& m7 \5 @* n
print(response.text)
8 R6 ?, @8 W9 r3 T, R5 C- fbtlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title")5 j; V) U# d8 O+ r& k
for title in btlist:
+ W1 K0 l: _2 ^4 D6 s' Y, Y5 n print(title) 这是输入后的结果 " ^+ |* p- _( x2 t
* y* y6 T8 r* ?! o4 _ `怎么办?
5 |+ D$ Y6 S6 k! f) c 原谅我太笨了,谢谢!
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