1、启动爬虫
scrapy crawl spider -s JOBDIR=record/spider-1
record/spider-1表示一个路径，作用是记录爬虫状态
2、暂停爬虫
- 终端输入Ctrl+C，此时爬虫并不会立即停止，需要等待一会
- 当终端出现可以敲击命令时，说明爬虫已暂停
3、恢复爬虫
scrapy crawl spider -s JOBDIR=record/spider-1
scrapy — 暂停爬虫、恢复爬虫
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