import scrapy

class persion(scrapy.Item):
    name = scrapy.Field()
    job = scrapy.Field()
    email = scrapy.Field()

liwei = persion(name='weiwei', job='pythoner', email='121088825@qq.com')

print(liwei)
# 数据以字典的形式存储

print(liwei.get('name'))
print(liwei.keys())
print(liwei.items())