在用scrapy设置cookie的时候，需要从网页上对应的页面把cookie字段复制下来，并转化为字典的形式，下面代码是对cookie的转化过程
# -*- coding: utf-8 -*-
class transCookie(object):
def __init__(self, cookie):
self.cookie = cookie
def stringToDict(self):
itemDict = {}
items = self.cookie.split(';')
for item in items:
key = item.split('=')[0].replace(' ', '')# 记得去除空格
value = item.split('=')[1]
itemDict[key] = value
return itemDict
cookie = "uuid_tt_dd=-3134286425191133820_20170304;_message_m=tnbfbtmuxpxxyg2050gpiukt;"
trans = transCookie(cookie)
print trans.stringToDict()
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