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jd_product's Introduction

Jd_product

实现能够自定义抓取商品抓取

1). 没有实现增量抓取

2). 没有处理空值数据

实现

1). 基于scrapy_redis的分布式抓取

2). 数据写入mongodb

3). 防止反扒措施:

1. 自定义user-agent
2. 自定义中间件
3. 自定义ip
4. dowload_delay限制3
5. DEPTH_LIMIT=3

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