下列命令中,用于运行爬虫的是( )。 A: scrapy startproject mySpider B: scrapy genspider itcast "itcast.cn" C: scrapy crawl itcast D: scrapy crawl itcast -o teachers.json
下列命令中,用于运行爬虫的是( )。 A: scrapy startproject mySpider B: scrapy genspider itcast "itcast.cn" C: scrapy crawl itcast D: scrapy crawl itcast -o teachers.json
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