scrapy json 保存中文

scrapy_save_chinese_pipeline.py

import json,codecs

class WebCrawlerScrapyPipeline(object):
    def __init__(self):
        self.file = codecs.open('item.json', 'wb', encoding='utf-8')


    def process_item(self, item, spider):
        line = json.dumps(dict(item)) + '\n'
        # print line
        self.file.write(line.decode("unicode_escape"))
        return item