json.loads 把str转换为json

爬虫常用函数 json.loads()

In[44]: jsonStr

Out[44]: 
u'{"retcode":"0","uid":"12312312","nick":"\\u60xx\\u60xx\\u806xx","crossDomainUrlList":["https:\\/\\/passport.weibo.com\\/wbsso\\/login?","https:\\/\\/passport.weibo.cn\\/sso\\/crossdomai"]}'
In[45]: info = json.loads(jsonStr)


In[46]: info
Out[46]: 

{u'crossDomainUrlList': [u'https://passport.weibo.com/wbsso/login?',

  u'https://passport.weibo.cn/sso/crossdoma '],
 u'nick': u'\u60xx\u60xx\u806xx',
 u'retcode': u'0',
 u'uid': u'1232312312'}