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Script loads data into JSON file

2022-07-22 00:47:00 【Fan zhidu】

import json
from itemadapter import ItemAdapter


class LianjiaPipeline:
    def open_spider(self, spider):
        self.file = open('lianjia.json', 'a', encoding='utf-8')

    def close_spider(self, spider):
        self.file.close()

    def process_item(self, item, spider):
        line = json.dumps(ItemAdapter(item).asdict(), ensure_ascii=False) + "\n"
        self.file.write(line)
        return item

stay pipeline Add the above code to the file

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