DICT数据处理

import hashlib

def sigCount_post(param, sourceType):
    keyValueString = ""
    keyList = list(param.keys()) #拿到KEY列表
    keyList.sort()#对KEY列表排序
    for i in keyList:
        valueString = param.get(i)
        keyValueString = '%s%s%s' % (keyValueString, i, valueString)
    if sourceType == 'driver':
        stringFinal = keyValueString + '083fc70e-49a1-11e2-9d96-'  # 司机端secret
        print(stringFinal)
    else:
        stringFinal = keyValueString + '47f3db98-eaa5-11e1-92bc-'  # 用户端secret
    signParam = Md5Change(stringFinal)
    param['sig'] = signParam#在DICT里加上一行sig的KEY-VALUE
    return param  # post方法返回一个加了sig的字典


def Md5Change(param):
    m = hashlib.md5()
    m.update(param.encode('utf-8'))
    sigString = (m.hexdigest())
    return sigString