import?requests
from?bs4?import?BeautifulSoup?as?bs
from?multiprocessing?import?Pool
import?pandas?as?pd
Hearder={
????‘Accept‘:‘text/htmlapplication/xhtml+xmlapplication/xml;q=0.9image/webp*/*;q=0.8‘
????‘Accept-Encoding‘:‘gzip?deflate?sdch‘
????‘Accept-Language‘:‘zh-CNzh;q=0.8‘
????‘Cache-Control‘:‘max-age=0‘
????‘Connection‘:‘keep-alive‘
????‘Host‘:‘www.amazon.cn‘
????‘Upgrade-Insecure-Requests‘:‘1‘
????‘User-Agent‘:‘Mozilla/5.0?（Windows?NT?6.1;?Win64;?x64）?AppleWebKit/537.36?（KHTML?like?Gecko）?Chrome/63.0.3239.84?Safari/537.36‘
}
session=requests.session（）
session.headers=Hearder
def?write_data（dataid）:#寫數(shù)據(jù)到csv
????print（“SAVE?id?of?goods:“?+?str（id））
????save=pd.Dataframe（data）#格式化數(shù)據(jù)?pandasdatafrane
????save.to_csv（‘data.csv‘?mode=‘a(chǎn)‘?index=False