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proxy-pool's Introduction

proxy-pool 代理IP

背景

前段时间,写java爬虫来爬网易云音乐的评论。不料,爬了一段时间后ip被封禁了。由此,想到了使用ip代理,但是找了很多的ip代理网站,很少有可以用的代理ip。于是,抱着边学习的心态,自己开发了一个代理ip池。

相关技术及环境

技术: SpringBoot,SpringMVC, Hibernate, MySQL, Redis , Maven, Lombok, BootStrap-table,多线程并发
环境: JDK1.8 , IDEA

实现功能

通过ip代理池,提供高可用的代理ip,可用率达到95%以上。

{
    "code":200,
    "data":[
        {
            "available":true,
            "ip":"1.10.186.214",
            "lastValidateTime":"2018-09-25 20:31:52",
            "location":"THThailand",
            "port":57677,
            "requestTime":0,
            "responseTime":0,
            "type":"https",
            "useTime":3671
        }
    ],
    "message":"success"
}

设计思路

模块划分

  • 爬虫模块:爬取代理ip网站的代理IP信息,先通过队列再保存进数据库。
  • 数据库同步模块:设置一定时间间隔同步数据库IP到redis缓存中。
  • 缓存redis同步模块:设置一定时间间隔同步redis缓存到另一块redis缓存中。
  • 缓存redis代理ip校验模块:设置一定时间间隔redis缓存代理ip池校验。
  • 前端显示及接口控制模块:显示可用ip页面,及提供ip获取api接口。

架构图

IP来源

代理ip均来自爬虫爬取,有些国内爬取的ip大多都不能用,代理池的ip可用ip大多是国外的ip。爬取的网站有:http://www.xicidaili.com/nnhttp://www.data5u.com/free/index.shtmlhttps://free-proxy-list.nethttps://www.my-proxy.com/free-proxy-list.htmlhttp://spys.one/en/free-proxy-list/https://www.proxynova.com/proxy-server-list/https://www.proxy4free.com/list/webproxy1.htmlhttp://www.gatherproxy.com/

如何使用

前提: 已经安装JDK1.8环境,MySQL数据库,Redis。
先使用maven编译成jar,proxy-pool-1.0.jar。
使用SpringBoot启动方式,启动即可。

java -jar proxy-pool-1.0.jar

proxy-pool's People

Contributors

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proxy-pool's Issues

初始化ip库失败

连续报错
java.lang.NullPointerException: null at com.chenerzhu.crawler.proxy.pool.job.scheduler.AbstractSchedulerJob.validateIp(AbstractSchedulerJob.java:45) ~[classes/:na] at com.chenerzhu.crawler.proxy.pool.job.scheduler.SyncDbSchedulerJob$1.call(SyncDbSchedulerJob.java:59) [classes/:na] at com.chenerzhu.crawler.proxy.pool.job.scheduler.SyncDbSchedulerJob$1.call(SyncDbSchedulerJob.java:54) [classes/:na] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_151] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_151] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_151] at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]

获取不到连接信息, 错误格式:
ERROR 19212 --- [ob-producer-t-0] c.c.c.p.p.job.crawler.AbstractCrawler : https://free-proxy-list.net page process error

残落的数据表。。。
image

Violacion del principio de Interface Segregation

El servicio de ip tiene métodos tanto de navegación, búsqueda como de testeo. De manera idónea deberían de manejarse en servicios diferentes. Del siguiente modo, se puede mejorar un aspecto sin tener que intervenor el otro de manera obligatoria.
image

关于IP动态切换的一点建议

是否可以考虑在去请求url时,加个try catch ,如果报超时的错误,也就是代理ip失效的时候,在catch中再去切换ip,再重新请求这个url

获取不了可用的Ip

本地运行之后,但是一直都连接不了那些要爬的地址报connect timeout,请问下都是翻墙的吗

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