服务器出错：org.springframework.validation.BeanPropertyBindingResult: 1 errors Field error in object 'smUserTbl' on field 'id': rejected value []; codes [typeMismatch.smUserTbl.id,typeMismatch.id,typeMismatch.int,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [smUserTbl.id,id]; arguments []; default message [id]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'int' for property 'id'; nested exception is java.lang.NumberFormatException: For input string: ""]