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" } u% F6 ]: ?0 B g7 c' P0 X6 a
附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图
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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?! o* P! |- x& {
import requests
1 C3 R v+ Z. Y4 k# A! k1 V: Uheaders = {"user-agent": "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36" }6 Q' N0 b1 b. G7 |
url = "https://www.aliexpress.com/category/5090301/mobile-phones.html". _0 w, v5 J& X9 t0 r! B' T. Y
response = requests.get(url, headers=headers)' P% [# }1 J3 W; q. P7 C5 s$ [/ g
html = etree.HTML(response.content)
d: M, [6 H" z7 O0 O) Bprint(response.text)
9 Q- `3 T, B8 w7 d4 \7 v/ }btlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title")# S) I9 j+ u7 U9 `
for title in btlist:3 B$ r) \* S- `. S2 c8 p- p5 z- f
print(title) 这是输入后的结果 $ G6 r9 h9 n d+ ]
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怎么办?
% {7 ^1 X1 o6 ?% e% F' d) E 原谅我太笨了,谢谢! . y1 n/ F" y% P: B% j( g
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