本帖最后由 luck 于 2018-2-28 09:38 编辑 * u8 _% s, j) C0 x1 L( j
L2 A; ^3 S6 I/ ~8 L6 T
刚才我己安装python,然后进 行了以下步骤
* E9 f' K; S5 m, A; B) M' y+ e# r J附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图
- i' |! t3 E- C6 Y4 G b/ p- }$ G4 Y% [( a- {9 ]
然后呢,怎么办,把下面这段代码放到上面的窗口中吗?; m5 }. e9 K4 J1 L6 ^
import requests) R/ V; F: o( ~( Q+ {: K: h4 Q, U+ Q
headers = {"user-agent": "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.86 Safari/537.36" }5 u& Q+ Z: M% ?( b8 K/ O4 z
url = "https://www.aliexpress.com/category/5090301/mobile-phones.html"
$ \9 h- C1 j9 e4 M1 I* jresponse = requests.get(url, headers=headers)
% c. L! u9 ?/ L. x) V* y, bhtml = etree.HTML(response.content)% [3 i9 T% G3 w& J+ |+ g6 N& |
print(response.text)
. e1 K4 e n$ @$ N# ubtlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title")8 {- X0 }/ z6 X
for title in btlist:) O; y/ k$ q i7 ]/ u! J
print(title) 这是输入后的结果 ! g: K0 G& G) U. u0 N9 x
# T5 T' K2 |; J" t/ {/ A0 v w: N怎么办?" X; D9 S, B$ Q% ]0 C0 E
原谅我太笨了,谢谢! - h/ y' L; V! ^3 R+ W3 }
0 l* _( J7 R+ h1 Y2 c |5 N
6 k* |8 c! U0 \. ?- X* g$ Q |