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详解Aop基于xml的配置过程(切入点,通知,切面,织入点灯信息)
阅读量:396 次
发布时间:2019-03-05

本文共 1124 字,大约阅读时间需要 3 分钟。

AOP????????

AOP?Aspect-Oriented Programming????????????????????????????????????????????????????????????????AOP???????????????????????????

AOP????

???Spring???AOP?????????????????

2.1 ???Bean??Spring??

?????Bean?????Spring????????????????????

2.2 ??aop:config????AOP??

?Spring???????aop:config?????AOP??????????????????????????AOP?????

2.3 ??aop:aspect??????

aop:aspect?????????Aspect????????????????Advice?????????

  • id????????
  • ref???????Bean ID?

2.4 ?aop:aspect???????

???????aop:*?????????

  • aop:before????????
  • aop:after????????
  • aop:around????????

?????????????????????

2.5 ?????????

??????????AOP??????????????????

  • execution?????????????
  • ??????????????????????????

???

execution("public void com.itheima.service.impl.AccountServiceImpl.saveAccount()")
  • ???????????*???????????
  • ?????????????*??..?????????
  • ?????????????????????..????????

????????????

* com.itheima.service.impl.*.*(..)

?????????????????????

2.6 ???????

????aop:pointcut??????????aop:before?aop:after??????????????????aop:pointcut????????????????

2.7 ?????

??????????????????????????????????????????????????????????

????????????Spring????AOP????????????????????

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