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孙艳霞111:
java.lang.IllegalStateException: Argument [RedirectAttributes] is of type Model -
llnyxxzj:
如果问题未解决可以看看http://blog.360chwl. ...
Caused by: org.springframework.beans.factory.BeanNotOfRequiredTypeException: Bea -
u013810758:
楼主求帮助类 ReflectionUtils,Hibernat ...
BaseDao可以这样设计 -
rankx:
你好,楼主可否发一份 ReflectionUtils,Hibe ...
BaseDao可以这样设计
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java.lang.IllegalStateException: Argument [RedirectAttributes] is of type Model or Map but is not assignable from the actual model. You may need to switch newer MVC infrastructure classes to use this argument.
at org.springframework.web.bind.annotation.support.HandlerMethodInvoker.resolveHandlerArgu ...
请求路径上有个id的变量值,可以通过@PathVariable来获取
[java] view plaincopyprint?
@RequestMapping(value = "/page/{id}", method = RequestMethod.GET)
@RequestParam用来获得静态的URL请求入参
spring注解时action里用到。
多对多,多对一,一对多关联时:
要插入数据,有外键时先检查外键关联的表是否有记录,如果没有,则外键列不要插入任何数据。
org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [com.ambow.lmsx.enrollment.entity.EnrClass#1 ...