为什么传给前台的itemVO获取值全部是null
为什么传给前台的itemVO获取值全部是null
itemModel得到值了，没有传递过去。
后台报错，数据库插入成功，前台报错 错误信息为：添加失败，错误为 >然后就没了
2019-02-21 09:24:28.589 INFO 8496 --- [nio-8090-exec-1] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring FrameworkServlet 'dispatcherServlet'
2019-02-21 09:24:28.589 INFO 8496 --- [nio-8090-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization started
2019-02-21 09:24:28.613 INFO 8496 --- [nio-8090-exec-1] o.s.web.servlet.DispatcherServlet : FrameworkServlet 'dispatcherServlet': initialization completed in 24 ms
2019-02-21 09:24:36.065 INFO 8496 --- [nio-8090-exec-1] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} inited
2019-02-21 09:25:25.298 WARN 8496 --- [nio-8090-exec-1] .m.m.a.ExceptionHandlerExceptionResolver : Resolved [org.springframework.http.converter.HttpMessageConversionException: Type definition error:
[simple type, class com.miaoshaproject.controller.viewobject.ItemVO]; nested exception is com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class
com.miaoshaproject.controller.viewobject.ItemVO and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS)
(through reference chain: com.miaoshaproject.response.CommonReturnType["data"])]
