Object of type 'ndarray' is not JSON serializable import numpy as np import json arr=np.asarray([345,45]) result={'name':'test','num':ar} json.dump(result) 解决方法: result={'name':'text','num':ar.tolist()} json不认numpy的array…
python, datetime is not json serializable import datetime def json_serial(obj): """JSON serializer for objects not serializable by default json code""" if isinstance(obj, (datetime.datetime, datetime.date)): return obj.isofor…
问题: 项目使用django开发,返回的数据中有时间字段,当json.dumps()时提示:datetime.datetime is not JSON serializable 解决: import json from datetime import date, datetime class DateEncoder(json.JSONEncoder): def default(self, obj): if isinstance(obj, datetime): return obj.strftim…
在Firefox,chrome,opera,safari,ie9,ie8等浏览器直接可以用JSON对象的stringify()和parse()方法. 1.JSON.stringify(obj)将JS对象转为JSON字符串. //JS对象 var obj={"name":"tom","sex":"男","age":"24"}; //JS对象转化为JSON字符串 var jsonString…
