数据接受异常：org.springframework.http.converter. HttpMessageNotReadableException: Could not read document

异常描述

org.springframework.http.converter.HttpMessageNotReadableException: Could not read document: Unrecognized field “inputType”

原因

后端用@RequestBody注解接收Json实体类，但前端传来的Json中有实体类没有的字段“inputType”

解决

后端在实体类上添加注解@JsonIgnoreProperties(ignoreUnknown = true)忽略前端所传来的无效字段