spring的aop是什么?它的关键词有哪些? spring aop涉及哪些知识点
\u5728Spring AOP\u4e2d\uff0c\u901a\u77e5\u662f\u4ec0\u4e48\uff1f\u6709\u54ea\u51e0\u79cd\u5728Spring\u4e2d\u5b9e\u73b0AOP\u6839\u636e\u7248\u672c\u4e0d\u540c\uff0c\u53ef\u4ee5\u6709\u5927\u81f4\u56db\u79cd\u914d\u7f6e\u65b9\u5f0f\u3002\u73b0\u7b80\u5355\u5217\u4e00\u4e0b\u3002\u5728\u4ecb\u7ecdSpring\u7684AOP\u914d\u7f6e\u65b9\u5f0f\u524d\uff0c\u5148\u8981\u6ce8\u610fSpring\u4e2dAdvisor\u7684\u6982\u5ff5\u3002\u5728Spring\u4e2dAdvisor\u662fAdvice\u548cPointcut\u7684\u7ed3\u5408\uff0c\u4f46\u5b83\u8fd8\u4e0d\u662fAOP\u6982\u5ff5\u4e0a\u7684Aspect\u3002\u56e0\u4e3a\u5728Spring\u4e2dAdvisor\u8fd8\u662fSpring\u7528\u6765\u751f\u6210Aspect\u5bf9\u8c61\u7684\u4e00\u4e2a\u539f\u578b\uff0c\u6839\u636e\u914d\u7f6e\u7684\u4e0d\u540c\uff0cSpring\u53ef\u4ee5\u53ea\u5bf9\u67d0\u4e2a\u7c7b\u751f\u6210Aspect\uff0c\u4e5f\u53ef\u4ee5\u5bf9\u6240\u6709\u7684\u7c7b\u751f\u6210Aspect\u3002
1. \u57fa\u4e8exml\u914d\u7f6e\u6587\u4ef6\u7684\u4ee3\u7406\u914d\u7f6e\u65b9\u5f0f
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1.1 \u5b9a\u4e49\u901a\u77e5
1.2 \u5b9a\u4e49\u5207\u70b9
\u8981\u5b9a\u4e49\u4e00\u4e2a\u5207\u70b9\uff0c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u65b9\u5f0f\u58f0\u660e\u7684\u5207\u70b9\u6216\u8005AspectJ\u65b9\u5f0f\u58f0\u660e\u7684\u5207\u70b9\u3002\u5bf9\u6b63\u5219\u8868\u8fbe\u5f0f\u5207\u70b9\uff0c\u4f7f\u7528Perl5RegexpMethodPointcut\u6216JdkRegexpMethodPointcut(Java
1.4\u4ee5\u4e0a\u7248\u672c\uff0c\u4e0d\u9700\u8981Jakarta ORO\u7684\u652f\u6301\u4e86)\uff1b\u5bf9AspectJ\u5207\u70b9\uff0c\u4f7f\u7528AspectJExpressPointcut
1.3 \u5b9a\u4e49\u901a\u77e5\u8005
DefaultPointcutAdvisor\u662fSpring\u63d0\u4f9b\u7684\u9ed8\u8ba4\u901a\u77e5\u8005\uff0c\u5b83\u9700\u8981\u63d0\u4f9b\u901a\u77e5\u548c\u5207\u70b9\u7684\u5f15\u7528\u3002
Spring\u4e5f\u63d0\u4f9b\u4e86RegexpMethodPointcutAdvisor\u548cAspectJExpressionPointcutAdvisor\u6765\u5bf9\u5e94\u4e24\u79cd\u58f0\u660e\u5207\u70b9\u7684\u65b9\u5f0f\uff0c\u4e0d\u7528\u518d\u5355\u72ec\u5b9a\u4e49\u5207\u70b9\u3002
1.4 \u5b9a\u4e49ProxyFactoryBean
interceptorNames\u548cproxyInterfaces\u90fd\u662f\u6570\u7ec4\u5c5e\u6027\uff0c\u6240\u4ee5\u53ef\u4ee5\u58f0\u660e\u8981\u4f7f\u7528\u7684\u4e00\u4e2alist\uff0c\u4e5f\u53ef\u4ee5\u8ba9Spring\u81ea\u52a8\u628a\u5355\u4e2a\u503c\u8f6c\u5316\u4e3a\u6570\u7ec4
\u4e0a\u9762\u660e\u786e\u5b9a\u4e49\u4e86\u8981\u5bf9\u90a3\u4e2atargetBean\u5e94\u7528\u4ee3\u7406\u751f\u6210\u5207\u9762\u5b9e\u4f8b\u3002\u5982\u679c\u4e0d\u60f3\u9650\u5236targetBean\uff0c\u53ef\u4ee5\u8ba9Spring\u4e3a\u6240\u6709\u5339\u914d\u5207\u70b9\u58f0\u660e\u7684bean\u751f\u6210\u5207\u9762\u5b9e\u4f8b\uff0c\u8fd9\u6837\u5c31\u4e0d\u7528\u4e00\u4e2a\u4e2a\u5b9a\u4e49ProxyFactoryBean\u4e86\uff0c\u53ea\u9700\u8981\u5b9a\u4e49
\u8fd9\u662f\u4e00\u4e2aBeanPostProcessor\uff0c\u6240\u4ee5Spring\u4f1a\u81ea\u52a8\u8bc6\u522b\u5e76\u5728bean\u7684\u58f0\u660e\u5468\u671f\u4f7f\u7528
2 \u5229\u75282.0\u4ee5\u540e\u4f7f\u7528aop\u6807\u7b7e
3 \u5229\u7528Annotation
3.1 \u5229\u7528@Aspect\u5c06\u4e00\u4e2aPOJO\u7c7b\u58f0\u660e\u4e3a\u4e00\u4e2a\u5207\u9762\u3002
3.2 \u5b9a\u4e49\u5207\u70b9
@Pointcut("execution(* *.perform(..))")
public void performance(){}
\u901a\u8fc7@Pointcut\u5b9a\u4e49\u7684\u5207\u70b9\u7684\u540d\u5b57\u5c31\u662f\u5b83\u6240\u6ce8\u89e3\u7684\u65b9\u6cd5\u7684\u540d\u5b57\uff0c\u56e0\u6b64\u4f8b\u5b50\u4e2d\u7684\u5207\u70b9\u540d\u5b57\u662f
performance()\u3002\u8fd9\u91cc\u58f0\u660e\u7684performance()\u65b9\u6cd5\u5b9e\u9645\u5723\u53ea\u662f\u4e00\u4e2a\u6807\u8bb0\uff0c\u4e3a@Pointcut\u63d0\u4f9b\u9644\u52a0\u7684\u70b9\uff0c\u5e76\u4e0d\u8981\u6c42\u6709\u5b9e\u9645\u610f\u4e49\u3002
3.3 \u5b9a\u4e49\u901a\u77e5
\u5bf9\u8981\u6267\u884c\u5207\u9762\u7684\u65b9\u6cd5\uff0c\u901a\u8fc7@Before("performance()"),@AfterReturning
("performance()")\u6765\u5b9a\u4e49\u901a\u77e5\u3002\u6ce8\u610f\u8fd9\u91cc\u63d0\u4f9b\u7684\u5207\u70b9\u540d\u79f0\uff0c\u662fperformance(),\u800c\u4e0d\u662fperformance
\u5982\u679c\u5bf9\u4e0a\u9762\u7684\u4e24\u70b9\u4e0d\u662f\u5f88\u7406\u89e3\uff0c\u4e5f\u53ef\u4ee5\u7701\u7565@Pointcut\uff0c\u800c\u5c06AspectJ\u8868\u8fbe\u5f0f\u76f4\u63a5\u5b9a\u4e49\u5728@Before\u7b49\u901a\u77e5\u4e2d\uff0c\u5c06\u4e0a\u9762\u7684\u4e24\u6b65\u5408\u4e3a\u4e00\u6b65\uff0c\u5982@Before("execution(* *.perform(..))")
3.4 \u901a\u77e5Spring\u521b\u5efa\u4ee3\u7406
\u8fd9\u5b9e\u9645\u4e0a\u76f8\u5f53\u4e8e\u58f0\u660e\u4e86\u4e00\u4e2aAnnotationAwareAspectJAutoProxyCreator\uff0c\u4ece\u800c\u6839\u636e@Pointcut\u58f0\u660e\u7684\u5207\u70b9\u6765\u81ea\u52a8\u4ee3\u7406\u5339\u914d\u7684bean\u5b9e\u4f8b
4 \u5728Spring\u4e2d\u7ed3\u5408\u8fdbAspectJ
\u5bf9\u4e8e\u8d85\u51faSpring AOP\u652f\u6301\u8303\u56f4\u7684\uff0c\u53ef\u4ee5\u91c7\u7528\u8fd9\u79cd\u65b9\u5f0f\u3002\u53ea\u9700\u8981\u5728Spring\u4e2d\u914d\u7f6eAspectJ\u7684Class\u5b9e\u4f8b\u65f6\u8ba9Spring\u80fd\u591f\u83b7\u5f97AspectJ\u7c7b\u7684\u5b9e\u4f8b\u5c31\u53ef\u4ee5\u4e86\uff0c\u6bd4\u5982
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