前后端对接——cannot deserialize instance of ‘java.lang.Long‘ out of START_OBJECT token

1、提示没有序列化,但是Long类型是java自带的已经序列化了。

2、百度了一下说是前后端类型不匹配,说是前端给传的是json,后端接收的不对

3、通过Swagger查看,后端接收的是long类型数组,前端我记得传的是数字类型数组啊

4、前端通过控制台打印我印象中的数字类型数组发现不是数字类型的,是对象类型的!!!

5、原来我忘记.id获取它的id了,而是直接把对象传到了我以为的数字类型数组
前后端对接——cannot deserialize instance of ‘java.lang.Long‘ out of START_OBJECT token_第1张图片

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