错误是：对象是一个数组，使用JSONArray代替
错误代码为：JSONObject json=JSONObject.fromObject(usertypeList);
正确代码为：JSONArray json=JSONArray.fromObject(usertypeList);
注意：JSONObject只是单个java对象转化json对象
'object' is an array. Use JSONArray instead
免责声明！
本站转载的文章为个人学习借鉴使用，本站对版权不负任何法律责任。如果侵犯了您的隐私权益，请联系本站邮箱yoyou2525@163.com删除。
猜您在找
gpexpand error:Do not have enough valid segments to start the array.
PHP json_decode object时报错Cannot use object of type stdClass as array
Index was outside the bounds of the array. (Microsoft.SqlServer.Smo)
vue中报错Props with type Object/Array must use a factory function to return the default value
Invalid default value for prop 'XXX': props with type object/array must use a factory function to return the default value
报错：Props with type Object/Array must use a factory function to return the default value
utility.py:61: FutureWarning: Using a non-tuple sequence for multidimensional indexing is deprecated; use `arr[tuple(seq)]` instead of `arr[seq]`. In the future this will be interpreted as an array in
elasticSearch Alternatively use a keyword field instead.
"reader" is deprecated, use charreader and charreaderbuilder instead
消除警告 writing to an object of type ‘class XXOO’ with no trivial copy-assignment; use copy-assignment or copy-initialization instead [-Wclass-memaccess]