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使用h5plus
```js
const Environment = plus.android.importClass('android.os.Environment')
const path = 'file://' + Environment.getExternalStorageDirectory() + '/test/download/' + 'test.pdf'
const dt…
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`08:15:43.817 [main] INFO us.codecraft.webmagic.Spider - Spider ask.csdn.net started!
08:15:43.818 [pool-1-thread-1] INFO u.c.w.d.HttpClientDownloader - downloading page http://ask.csdn.net/questio…
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错误代码如下：
`[INFO] 2018-09-03 11:39:47 [cn.chenhaoxiang.CSDNBlogExport.startGetBlogID(CSDNBlogExport.java:167)] -> 用户名:loveer0 [AWT-EventQueue-0] [chx]
[INFO] 2018-09-03 11:39:48 [us.codecraft.webmag…
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https://blog.xuemingde.com/collect/
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您好，谢谢。
GUI输出的结果如下：
[17:40:19] -e Google -n 20 -j 50 -o "./download_images/龙猫" -S "龙猫"
[17:40:19] Scraping From Google Image Search ...
[17:40:19] Keywords: 龙猫
[17:40:19] Number: 20
[…
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ValueError: Only one class present in y_true. ROC AUC score is not defined in that case.
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# Scrapy 搞起篇（2014年8月30日-8月31日）
```
开始于：Beijing，Raining，2014-8-30 22:45:00
结束于：2014-8-31 01:46:00
```
---
## 0. 环境
> python 2.7.8
>
> windows 8.1 x64
**如果接下来用pip安装或者直接安装出现:**
```
UnicodeEncodeErr…
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Warning: count(): Parameter must be an array or an object that implements Countable in \closeTags.php on line 9
Warning: count(): Parameter must be an array or an object that implements Countable in …
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用了框架寫了個簡單程式，有些網站能抓，有些網站出現timeout，想請問這個可能是哪方面的問題，看了許久，找不出問題。
目前抓取的網站是:
https://www.arrow.com/en/categories/diodes-transistors-and-thyristors/bipolar-transistors/rf-bjt?page=1
代碼如下:
public class Arr…