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9 z' _! C! J {* K; d
附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图
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8 c9 `3 H# p; F% y然后呢,怎么办,把下面这段代码放到上面的窗口中吗?
' ]& p, V+ F8 X import requests
1 j/ n/ P, z8 a9 p. I. ]9 fheaders = {"user-agent": "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36" }
3 D8 L6 P5 A# i6 K7 W+ ?( F/ K0 Qurl = "https://www.aliexpress.com/category/5090301/mobile-phones.html"" R5 A! N) I9 A
response = requests.get(url, headers=headers)
7 \: g& Z; }* c5 w! [/ z5 p5 m) d( C0 Ihtml = etree.HTML(response.content)* _! q" I, \- m
print(response.text)
5 U8 g/ }0 S; K3 I3 e1 g7 l7 \! Ebtlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title")
1 c4 K( W# w% T' z# S( Vfor title in btlist:
7 s- v; x$ m6 {+ h/ K F: _ print(title) 这是输入后的结果 " }$ \ I" ^8 ^: S7 ^, g
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怎么办?
' x3 c: U) c* @3 r 原谅我太笨了,谢谢! : n \8 z% P% p
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