方法重写后代码如下: import datetime import json class DateEncoder(json.JSONEncoder): def default(self, obj): if isinstance(obj,datetime.datetime): return obj.strftime("%Y-%m-%d %H:%M:%S") else: return json.JSONEncoder.default(self,obj) dic={'name':'jack', 'create_time': datetime.dateti...
importjsonimportdatetimeclassDateEncoder(json.JSONEncoder):defdefault(self,obj):ifisinstance(obj,datetime.datetime):returnobj.strftime('%Y-%m-%d %H:%M:%S')elifisinstance(obj,date):returnobj.strftime("%Y-%m-%d")else:returnjson.JSONEncoder.default(self,obj) 使用时,调用上面定义的函数即可,如下: pri...
Python“TypeError: 'datetime.datetime' object is not iterable”发生在我们尝试迭代datetime对象而不是可迭代对象(例如列表)时。 要解决该错误,需要追踪为变量分配日期时间对象的位置并更正分配。 下面是一个产生上述错误的示例代码 fromdatetimeimportdatetime result = datetime.today()print(result)# 👉️ 2022-...
解决方法: 1 2 3 4 5 6 7 8 9 10 11 importjson fromdatetimeimportdate, datetime classDateEncoder(json.JSONEncoder): defdefault(self, obj): ifisinstance(obj, datetime): returnobj.strftime('%Y-%m-%d %H:%M:%S') elifisinstance(obj, date): returnobj.strftime("%Y-%m-%d") else: returnjso...
Python 中的日期时间对象无法直接序列化为 JSON 在Python 中,我们经常会使用json模块来序列化数据为 JSON 格式。然而,当我们尝试将日期时间对象序列化为 JSON 时,可能会遇到Object of type datetime is not JSON serializable的错误。这是因为日期时间对象不是 JSON 可序列化的数据类型。
Bug description: When executing the following code, it will appearTypeError: 'NoneType' object is not callable #include"Python.h"#include<iostream>voidpy_test() {Py_Initialize();autopName =PyUnicode_DecodeFSDefault("datetime");autopModule =PyImport_Import(pName);autodatetime =PyObject_GetAttrStrin...
python 运行json.dumps(result) 报错 TypeError: datetime.datetime(2019, 9, 23, 16, 42, 41) is not JSON serializable ERROR:tornado.access:500 POST /api/v1/exportlist (127.0.0.1) 196.00ms 1. 2. 原因 在转化成json格式的时候,遇到了datetime.datetime函数,该函数没有先执行 ...
The below line throws the following deprecation warning in Python 3.12. There may be more references here. There are more in dbt-core itself I think DeprecationWarning: datetime.datetime.utcnow() is deprecated and scheduled for removal i...
Pythonis another high-level language that supports multiple data types. Eight data types that are built in by default include text, numeric, sequence, mapping, set, Boolean, binary and none. To set a data type, a programmer simply assigns a value to a variable: ...
【经验分享】JSON序列化Python字典遇到datetime出现“TypeError: datetime*** is not JSON serializable”问题的解决 例如,json.dumps({'datetime': datetime.now()}),会抛出如附图1的异常。 解决方案: json.dumps()提供了一个default参数,用于在遇到无法序列化的类型时进行自定义的处理。如下示例用来处理datetime...