前段发送post请求,后台拿不到数据!

Cannot deserialize instance of com.x*x.domain.Employee out of START_ARRAY token at [Source: (PushbackInputStream); line: 1, column: 1]]
后台显示问题
警告 [http-nio-8080-exec-49] org.springframework.web.servlet.handler.AbstractHandlerExceptionResolver.logException Resolved [org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot deserialize instance of com.itheima.domain.Employee out of START_ARRAY token; nested exception is com.fasterxml.jackson.databind.exc.MismatchedInputException: Cannot deserialize instance of com.itheima.domain.Employee out of START_ARRAY token
at [Source: (PushbackInputStream); line: 1, column: 1]]

前端浏览器显示内容

https://blog.csdn.net/qq_38974638/article/details/118297723