本帖最后由 luck 于 2018-2-28 09:38 编辑
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{: l# B6 x* F: y0 F' ~( P. E刚才我己安装python,然后进 行了以下步骤
8 M0 U; L) p6 r8 W3 M* N附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图 / l. ~+ j+ d% ~! R1 h* \ z5 a
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然后呢,怎么办,把下面这段代码放到上面的窗口中吗?
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headers = {"user-agent": "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36" }
- @1 u$ j+ M" Xurl = "https://www.aliexpress.com/category/5090301/mobile-phones.html"
+ D( p0 ~ V; O Z! K8 dresponse = requests.get(url, headers=headers)/ E: U1 R; P7 h7 N9 g. A/ ^
html = etree.HTML(response.content)
/ K6 v: R8 \8 V. Z5 L8 S" L8 @print(response.text)1 D; m4 Y& I H8 W7 R
btlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title"): K; v$ W2 Y- X1 ^8 t& O: P' G
for title in btlist:
9 X3 i0 n- S9 I. I, ^) O+ a print(title) 这是输入后的结果
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怎么办?$ b' P7 j% k. z: V' d* g
原谅我太笨了,谢谢! 1 E, q& p2 W2 i
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