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关于失败后动态切换代理的问题 #1174

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udyk-dev opened this issue Aug 14, 2024 · 1 comment
Open

关于失败后动态切换代理的问题 #1174

udyk-dev opened this issue Aug 14, 2024 · 1 comment

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@udyk-dev
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需求:需要在抓取数据的请求超时之后,能自动切换到一个新的代理ip,因为在我们的场景下,代理ip是有时效的,存活大概就2~3分钟左右。看了很多文档和问题,推荐的做法是自定义一个proxyProvider来实现动态切换代理。
问题:我在proxyProvider里怎么才能能知道上次的请求已经超时了呢?

@sutra
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sutra commented Aug 15, 2024

returnProxy 的入参有 Page 和 Task,可以获得上次请求的情况:
us.codecraft.webmagic.proxy.ProxyProvider.returnProxy(Proxy, Page, Task)

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