scrapy怎么把数据写入json后没有数据
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解决时间 2021-03-09 05:58
- 提问者网友:眉目添风霜
- 2021-03-08 07:03
scrapy怎么把数据写入json后没有数据
最佳答案
- 五星知识达人网友:逃夭
- 2021-03-08 08:36
创建工程cnblogs
New Scrapy project 'cnblogs' created in:
/mnt/hgfs/share/cnblogs
You can start your first spider with:
cd cnblogs
scrapy genspider example example.com
New Scrapy project 'cnblogs' created in:
/mnt/hgfs/share/cnblogs
You can start your first spider with:
cd cnblogs
scrapy genspider example example.com
全部回答
- 1楼网友:刀戟声无边
- 2021-03-08 09:01
pipelines.pyclass guomeipipeline(object):
def __init__(self):
self.file = codecs.open('aa.json', 'w', encoding='utf-8')
def process_item(self, item, spider):
line = json.dumps(dict(item), ensure_ascii=false) + "\n"
self.file.write(line)
return item
def spider_closed(self, spider):
self.file.close()
settings.py
item_pipelines={'guomei.pipelines.guomeipipeline':300}
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