我想在建议之前在Spring AOP中获取响应对象.如果会话无效,我想重定向到登录页面,但无法在Before advice方法中获取HttpServletResponse对象.
尝试以下方式.
@Autowired
private HttpServletResponse response;
public void setResponse(HttpServletResponse response) {
this.response = response;
}
堆栈跟踪:
caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: javax.servlet.http.HttpServletResponse com.****.****.aspect.LogProvider.response; nested exception is
org.springframework.beans.factory.NoSuchBeanDefinitionException: No matching bean of type [javax.servlet.http.HttpServletResponse] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:506)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:284)
... 33 more
任何帮助将不胜感激.
最佳答案
基本上我们从jsp页面重定向,即从UI层我们处理这种操作(重定向).所以,我希望你将在你的应用程序中使用一些宁静的服务.对于大多数休闲服务,我们都会选择异步请求.如果它是异步和宁静服务的组合;我相信你会在你的申请中使用它.如果您的会话无效并且您尝试访问对“会话”执行任何操作,那么它将使您处于“IllegalStateException”.对于这种类型的场景,请遵循JAX-RS提供的以下集中式“异常处理”机制:javax.ws.rs.ext.ExceptionMapper.
请按照以下步骤操作:
步骤1:创建一个用户定义的未经检查的异常,如MyApplicationException:
请按照以下步骤操作:
步骤1:创建一个用户定义的未经检查的异常,如MyApplicationException:
public class MyApplicationException extends RuntimeException {
public MyApplicationException() {super();}
// implement other methods of RuntimeException as per your requirement
}
步骤2:创建用户定义的ExceptionMapper类型
public class MyApplicationExceptionHandler implements ExceptionMapper
步骤3:在UI代码中的所有ajax请求中,检查此状态代码并重定向到登录页面.
就是这样,你完成了更精细的实现.保证…