spring-aop
2023-04-01 15:45:19 0 举报AI智能生成
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常见的切面表达式
作者其他创作
大纲/内容
定义：execution(modifiers-pattern? ret-type-pattern declaring-type-pattern? name-pattern(param-pattern) throws-pattern?)
execution(public * *(..))
全部的public方法
execution(* set*(..))
任意以set开头的方法
execution(* com.xyz.service.AccountService.*(..))
The execution of any method defined by the AccountService interface（定义在AccountService接口里的任意方法）:
execution(* com.xyz.service.*.*(..))
The execution of any method defined in the service package（service包里的任意方法）:
execution(* com.xyz.service..*.*(..))
The execution of any method defined in the service package or one of its sub-packages（service包和子包里的任意方法）:
示例
execution
within(com.xyz.service.*)
Any join point (method execution only in Spring AOP) within the service package（springAop中，service包里的方法）:
within(com.xyz.service..*)
Any join point (method execution only in Spring AOP) within the service package or one of its sub-packages:
within
this(com.xyz.service.AccountService)
Any join point (method execution only in Spring AOP) where the proxy implements the AccountService interface:
this
target(com.xyz.service.AccountService)
Any join point (method execution only in Spring AOP) where the target object implements the AccountService interface:
target
args(java.io.Serializable)
Any join point (method execution only in Spring AOP) that takes a single parameter and where the argument passed at runtime is Serializable:
args
@target(org.springframework.transaction.annotation.Transactional)
Any join point (method execution only in Spring AOP) where the target object has a @Transactional annotation:
@target
@args(com.xyz.security.Classified)
@args
@within(org.springframework.transaction.annotation.Transactional)
Any join point (method execution only in Spring AOP) where the declared type of the target object has an @Transactional annotation:
@within
@annotation(org.springframework.transaction.annotation.Transactional)
Any join point (method execution only in Spring AOP) where the executing method has an @Transactional annotation:
@annotation
切点指示符
组合使用
匹配任意的返回类型
如：execution（public * *（..））
返回类型
*通配符作为所有或者部分命名模式
全限定名
*
包含子包
如：
匹配任意数量，任意类型参数的方法
参数()里
..
如：com.Account+.*.*()
匹配子类型
+
()匹配了一个不接受任何参数的方法。
(..)匹配了一个接受任意数量参数的方法（零或者更多）
(*)匹配了一个接受一个任何类型的参数的方法
()
@Aspect支持
spring-aop
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