python实现class对象转换成json/字典的方法

# -*- encoding: UTF-8 -*-
class Student:
 name = ''
 age = 0
 def __init__(self, name, age):
 self.name = name
 self.age = age
def convert_to_dict(obj):
 '''把Object对象转换成Dict对象'''
 dict = {}
 dict.update(obj.__dict__)
 return dict
def convert_to_dicts(objs):
 '''把对象列表转换为字典列表'''
 obj_arr = []
 for o in objs:
 #把Object对象转换成Dict对象
 dict = {}
 dict.update(o.__dict__)
 obj_arr.append(dict)
 return obj_arr
def class_to_dict(obj):
 '''把对象(支持单个对象、list、set)转换成字典'''
 is_list = obj.__class__ == [].__class__
 is_set = obj.__class__ == set().__class__
 if is_list or is_set:
 obj_arr = []
 for o in obj:
 #把Object对象转换成Dict对象
 dict = {}
 dict.update(o.__dict__)
 obj_arr.append(dict)
 return obj_arr
 else:
 dict = {}
 dict.update(obj.__dict__)
 return dict
stu = Student('zhangsan', 20)
print '-----------'
print convert_to_dict(stu)
print '-----------'
print convert_to_dicts([stu, stu])
print '-----------'
print class_to_dict(stu)
print '-----------'
print class_to_dict([stu, stu])
stua = Student('zhangsan', 20)
stub = Student('lisi', 10)
stu_set = set()
stu_set.add(stua)
stu_set.add(stub)
print class_to_dict(stu_set)

-----------
{'age': 20, 'name': 'zhangsan'}
-----------
[{'age': 20, 'name': 'zhangsan'}, {'age': 20, 'name': 'zhangsan'}]
-----------
{'age': 20, 'name': 'zhangsan'}
-----------
[{'age': 20, 'name': 'zhangsan'}, {'age': 20, 'name': 'zhangsan'}]
[{'age': 10, 'name': 'lisi'}, {'age': 20, 'name': 'zhangsan'}]