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1、@Aspect
*
名称:@Aspect
*
类型:注解
*
位置:类定义上方
*
作用:设置当前类为切面类
* 格式:
@Aspect
public class AopAdvice {
}
*
说明:一个beans标签中可以配置多个aop:config标签
2、@Pointcut
*
名称:@Pointcut
*
类型:注解
*
位置:方法定义上方
*
作用:使用当前方法名作为切入点引用名称
* 格式:
@Pointcut("execution(* *(..))")
public void pt() {
}
*
说明:被修饰的方法忽略其业务功能,格式设定为无参无返回值的方法,方法体内空实现(非抽象)
3、@Before
*
名称:@Before
*
类型:注解
*
位置:方法定义上方
*
作用:标注当前方法作为前置通知
* 格式:
@Before("pt()")
public void before(){
}
*
特殊参数:
*
无
4、@After
*
名称:@After
*
类型:注解
*
位置:方法定义上方
*
作用:标注当前方法作为后置通知
* 格式:
@After("pt()")
public void after(){
}
*
特殊参数:
*
无
5、@AfterReturning
*
名称:@AfterReturning
*
类型:注解
*
位置:方法定义上方
*
作用:标注当前方法作为返回后通知
* 格式:
@AfterReturning(value="pt()",returning = "ret")
public void afterReturning(Object ret) {
}
*
特殊参数:
*
returning :设定使用通知方法参数接收返回值的变量名
6、@AfterThrowing
*
名称:@AfterThrowing
*
类型:注解
*
位置:方法定义上方
*
作用:标注当前方法作为异常后通知
* 格式:
@AfterThrowing(value="pt()",throwing = "t")
public void afterThrowing(Throwable t){
}
*
特殊参数:
*
throwing :设定使用通知方法参数接收原始方法中抛出的异常对象名
7、@Around
*
名称:@Around
*
类型:注解
*
位置:方法定义上方
*
作用:标注当前方法作为环绕通知
* 格式:
@Around("pt()")
public Object around(ProceedingJoinPoint pjp) throws Throwable {
Object ret = pjp.proceed();
return ret;
}
*
特殊参数:
*
无