[英]How to convert Class Object to JSON in Python
import json
class Abc:
firstName = ''
secondName = ''
obj = Abc()
obj.firstName = 'Raj'
res = json.dumps(obj, default=lambda o: o.__dict__)
print(res)
Output: {"firstName": "Raj"}
但我需要像這樣的 Output
{"firstName": "Raj", "secondName": ""}
任何解決方案?
首先,從正確的 class 定義開始。
class Abc:
def __init__(self, first='', second=''):
self.firstName = first
self.secondName = second
然后定義一個合適的JSONEncoder
子類:
import json
class AbcEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, Abc):
return {"firstName": obj.firstName, "secondName": obj.secondName}
return super().default(obj)
obj = Abc("Raj")
res = json.dumps(obj, cls=AbcEncoder)
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