AspectCore:Asp.Net Core的轻量级AOP解决方案

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"在ASP.NET Core开发中,AspectCore提供了一种轻量级的面向切面编程(AOP)解决方案,旨在与Asp.NET Core的模块化开发理念相契合。AspectCore通过Emit机制实现动态代理,避免了对第三方AOP库的依赖,使得开发者能够构建低耦合且易于扩展的Web应用。 首先,介绍AspectCoreProject。这是一个专门为Asp.NET Core设计的工具包,允许开发者在Asp.NET Core项目中集成AOP功能,以便在代码运行时添加横切关注点(如日志记录、事务管理等),而不会对业务逻辑造成过多侵入。其遵循模块化原则,有助于保持代码的清晰和可维护性。 要开始使用AspectCore,开发者需在Visual Studio中创建一个新的ASP.NET Core Web Application项目,并通过NuGet包管理器安装AspectCore.Extensions.DependencyInjection。这个包提供了将AOP集成到依赖注入(DI)容器中的支持。 AspectCore的核心是自定义拦截器。开发者可以继承InterceptorAttribute并实现IInterceptor接口来创建自己的拦截行为。例如,创建一个名为CustomInterceptorAttribute的特性类,用于在服务调用前后执行特定操作。在该示例中,`CustomInterceptor`会在方法调用前输出"Beforeservicecall",方法执行后输出"Afterservicecall",并在发生异常时捕获并处理。 同时,定义一个接口ICustomService和其实现类CustomService,将`CustomInterceptor`特性应用到接口的方法上。这使得任何实现ICustomService接口的服务都将自动应用自定义拦截逻辑,实现了对业务逻辑的透明增强。 通过AspectCore,开发者可以更加灵活地管理和扩展应用程序的行为,同时保持核心业务逻辑的简洁。这种AOP解决方案简化了复杂业务场景下的代码结构,提升了代码的可复用性和可测试性。" 在这个过程中,了解AspectCore的使用和特性对于提升Asp.NET Core项目的可维护性和扩展性至关重要,特别是在处理跨模块间的通用任务或需要进行日志记录、事务管理等场景时。通过合理的AOP设计,可以帮助开发者编写更健壮和高效的代码。

java.lang.NullPointerException: null at com.datech.web.controller.system.TbappController.remove(TbappController.java:667) at com.datech.web.controller.system.TbappController$$FastClassBySpringCGLIB$$ea1c3ba.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:771) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) at org.springframework.aop.aspectj.AspectJAfterThrowingAdvice.invoke(AspectJAfterThrowingAdvice.java:62) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) at org.springframework.aop.framework.adapter.AfterReturningAdviceInterceptor.invoke(AfterReturningAdviceInterceptor.java:55) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) at org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor$1.proceed(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:82) at org.apache.shiro.authz.aop.AuthorizingMethodInterceptor.invoke(AuthorizingMethodInterceptor.java:39) at org.apache.shiro.spring.security.interceptor.AopAllianceAnnotationsAuthorizingMethodInterceptor.invoke(AopAllianceAnnotationsAuthorizingMethodInterceptor.java:115) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:691) at com.datech.web.controller.system.TbappController$$EnhancerBySpringCGLIB$$b3b02033.remove(<generated>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

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Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.redisson.spring.data.connection.RedissonConnection at org.redisson.spring.data.connection.RedissonConnectionFactory.getConnection(RedissonConnectionFactory.java:113) at org.springframework.data.redis.core.RedisConnectionUtils.fetchConnection(RedisConnectionUtils.java:193) at org.springframework.data.redis.core.RedisConnectionUtils.doGetConnection(RedisConnectionUtils.java:144) at org.springframework.data.redis.core.RedisConnectionUtils.getConnection(RedisConnectionUtils.java:105) at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:211) at org.springframework.data.redis.core.RedisTemplate.execute(RedisTemplate.java:191) at org.springframework.data.redis.core.AbstractOperations.execute(AbstractOperations.java:97) at org.springframework.data.redis.core.DefaultHashOperations.get(DefaultHashOperations.java:55) at com.million.mes.basic.commonredis.server.RedisService.getCacheMapValue(RedisService.java:231) at com.million.mes.basic.dbapi.service.DataSourceService.detail(DataSourceService.java:96) at com.million.mes.basic.dbapi.service.DataSourceService$$FastClassBySpringCGLIB$$f8f33523.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:793) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) at com.baomidou.dynamic.datasource.aop.DynamicDataSourceAnnotationInterceptor.invoke(DynamicDataSourceAnnotationInterceptor.java:50) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:708)

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com.cxm.common.exception.CxmServiceException: 获取日结单数据出错 at com.cxm.service.report.DailyStatManager.reconciliationIndex(DailyStatManager.java:203) at com.cxm.api.report.DailyStatApi.reconciliationIndex(DailyStatApi.java:102) at com.cxm.api.report.DailyStatApi$$FastClassBySpringCGLIB$$4bcc5350.invoke(<generated>) at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:769) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747) at org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:88) at com.cxm.log.CxmLogbackAspect.doAround(CxmLogbackAspect.java:98) at sun.reflect.GeneratedMethodAccessor365.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:644) at org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:633) at org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:70) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:175) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95)

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