scrapy如何导出项目以分隔每个项目的csv文件

I am scraping a soccer site and the spider (a single spider) gets several kinds of items from the site's pages: Team, Match, Club etc. I am trying to use the CSVItemExporter to store these items in separate csv files, teams.csv, matches.csv, clubs.csv etc.I am scraping a soccer site and the spider (a s