keys_list = keys.split('.')
  #以“.”為間隔，將字符串分裂為多個(gè)字符串，其實(shí)字符串為字典的鍵，保存在列表keys_list里
  if isinstance(date,dict):
    #如果傳入的數(shù)據(jù)為字典
    dictionary = dict(date)
    #初始化字典
    for i in keys_list:
      #按照keys_list順序循環(huán)鍵值
      try:
        if dictionary.get(i) != None:
          dict_values = dictionary.get(i)
        #如果鍵對(duì)應(yīng)的值不為空，返回對(duì)應(yīng)的值
        elif dictionary.get(i) == None:
          dict_values = dictionary.get(int(i))
        #如果鍵對(duì)應(yīng)的值為空，將字符串型的鍵轉(zhuǎn)換為整數(shù)型，返回對(duì)應(yīng)的值
      except:
        return default
          #如果字符串型的鍵轉(zhuǎn)換整數(shù)型錯(cuò)誤，返回None
      dictionary = dict_values
    return dictionary
  else: 
    #如果傳入的數(shù)據(jù)為非字典
    try:
      dictionary = dict(eval(date))
      #如果傳入的字符串?dāng)?shù)據(jù)格式為字典格式，轉(zhuǎn)字典類型，不然返回None
      if isinstance(dictionary,dict):
        for i in keys_list:
          #按照keys_list順序循環(huán)鍵值
          try:
            if dictionary.get(i) != None:
              dict_values = dictionary.get(i)
            #如果鍵對(duì)應(yīng)的值不為空，返回對(duì)應(yīng)的值
            elif dictionary.get(i) == None:
              dict_values = dictionary.get(int(i))
            #如果鍵對(duì)應(yīng)的值為空，將字符串型的鍵轉(zhuǎn)換為整數(shù)型，返回對(duì)應(yīng)的值
          except:
            return default
              #如果字符串型的鍵轉(zhuǎn)換整數(shù)型錯(cuò)誤，返回None
          dictionary = dict_values
        return dictionary
    except:
      return default

class obj(object):
  def __init__(self, d):
    for a, b in d.items():
      if isinstance(b, (list, tuple)):
        setattr(self, a, [obj(x) if isinstance(x, dict) else x for x in b])
      else:
        setattr(self, a, obj(b) if isinstance(b, dict) else b)

d = {'a':1, 'b':{'c':2}, 'd':[{'e':1}]}

res = obj(d)
print res.a
print res.b.c
print res.d[0].e