scrapy生成json中文乱码解决

ITEM_PIPELINES = [‘xxx.pipelines.JsonWithEncodingPipeline’]

# -*- coding: utf-8 -*-

# Define your item pipelines here
#
# Don't forget to add your pipeline to the ITEM_PIPELINES setting



import json
import codecs
import os


class JsonWithEncodingPipeline(object):

    def __init__(self):
        self.file = codecs.open('scraped_data_utf8.json', 'w', encoding='utf-8')
        self.file.write('[')

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

    def close_spider(self, spider):
        self.file.seek(-1, os.SEEK_END)
        self.file.truncate();
        self.file.write(']')
        self.file.close()