python3将json任意行文件转为csv文件并保存

    xiaoxiao2022-07-12  136

    将json格式的前3000条数据存入csv

    json格式类型:

    {"address": "华山路31号", "addressExtend": "屯溪老街", "amenities": [1, 2, 3, 5, 10, 12], "brandName": null, "businessZoneList": null, "cityCode": 1004, "cityName": "黄山", "coverImageUrl": "https://img20.360buyimg.com/hotel/jfs/t16351/270/1836534312/106914/9b443bc4/5a68e68aN23bfaeda.jpg", "districtName": "屯溪区", "geoInfo": {"distance": 3669, "name": "市中心", "type": 1, "typeName": "市中心"}, "grade": 5, "hotelId": 328618, "location": {"lat": "29.717982", "lon": "118.299707"}, "name": "黄山国际大酒店", "payMode": [1, 2], "price": 362, "priceStatus": 1, "promotion": [103], "saleType": 1, "score": 4.8, "star": 5, "themes": [3, 2, 4], "totalComments": 133} {"address": "金城镇 珠山82号", "addressExtend": "", "amenities": null, "brandName": null, "businessZoneList": [{"businessZoneId": 2384, "businessZoneName": "金门机场", "poiType": null}], "cityCode": 1174, "cityName": "泉州", "coverImageUrl": null, "districtName": null, "geoInfo": {"distance": 63229, "name": "市中心", "type": 1, "typeName": "市中心"}, "grade": 2, "hotelId": 763319, "location": {"lat": "24.396442", "lon": "118.314335"}, "name": "金门珠山82号民宿", "payMode": null, "price": null, "priceStatus": 1, "promotion": null, "saleType": 0, "score": null, "star": 0, "themes": [], "totalComments": null}

    json转为csv

    import csv import json import codecs ''' 将json文件格式转为csv文件格式并保存。 ''' class Json_Csv(): #初始化方法,创建csv文件。 def __init__(self): self.save_csv = open('D:/hotels_out.csv', 'w', encoding='utf-8', newline='') self.write_csv = csv.writer(self.save_csv, delimiter=',') #以,为分隔符 def trans(self,filename): with codecs.open(filename,'r',encoding='utf-8') as f: read=f.readlines() flag=True for index,info in enumerate(read): data=json.loads(info) if index <3000: #读取json文件的前3000行写入csv文件 。要是想写入全部,则去掉判断。 if flag: #截断第一行当做head keys=list(data.keys()) #将得到的keys用列表的形式封装好,才能写入csv self.write_csv.writerow(keys) flag=False #释放 value=list(data.values()) #写入values,也要是列表形式 self.write_csv.writerow(value) self.save_csv.close() #写完就关闭 if __name__=='__main__': json_csv=Json_Csv() path='D:/hotels.txt' json_csv.trans(path)
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