本帖最后由 luck 于 2018-2-28 09:38 编辑 % d0 i$ W' B! J% n+ T+ P0 |" \2 X
. [/ s5 d3 y9 Y2 L/ B: L
刚才我己安装python,然后进 行了以下步骤7 G& j, t( f+ Z; f3 z
附件>运行>CMD 打开了cmd窗口,输入pip install requests ,如下图
1 i3 P9 h. r$ K& W9 c: }6 J5 Z9 i& R1 x" s, O$ ^7 x
然后呢,怎么办,把下面这段代码放到上面的窗口中吗?# L4 q) ^2 p0 ]9 Y" F4 ~$ M3 \9 n* \
import requests+ s: v8 e4 V9 I, z2 V* y
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 L/ R4 d4 M4 purl = "https://www.aliexpress.com/category/5090301/mobile-phones.html"
# l/ S4 `% ^( M( P0 U" c* vresponse = requests.get(url, headers=headers)
! J- ~+ M7 q) m0 U8 uhtml = etree.HTML(response.content)
- a" n6 \3 n2 ~! Aprint(response.text)
$ o# u0 r, ] I0 gbtlist= html.xpath(".//h3[@class='icon-hotproduct']/a/@title")
9 O( f0 e+ |9 S- Z0 N6 ofor title in btlist:
6 |6 z" [, `+ J print(title) 这是输入后的结果 $ O* O7 _1 @1 H4 K" u
$ q% q- V1 e0 {" d; Y
怎么办?1 i* B4 V' V" X+ E5 M
原谅我太笨了,谢谢!
5 E$ f" g5 ^2 W. t8 a( n) F( M" y% K* D H' I
# ^1 N+ d5 |% |: u |