@AfterReturning(returning )
时间: 2024-06-07 12:12:06 浏览: 88
如何在Spring Boot中使用@AfterReturning注解
@AfterReturning is an annotation in Spring framework that is used to specify the actions to be taken after a method successfully returns a value. It is commonly used in aspects and interceptors to perform additional operations based on the returned value of a method.
The "returning" attribute in @AfterReturning is used to specify the name of the parameter that will hold the returned value of the method being intercepted. For example, if you have a method that returns a String, you can use the "returning" attribute to capture the returned value in a parameter, like this:
```java
@AfterReturning(pointcut = "execution(* com.example.MyService.myMethod())", returning = "result")
public void doSomethingAfterReturning(JoinPoint joinPoint, String result) {
// Perform additional operations using the returned value
}
```
In the above example, the `doSomethingAfterReturning` method will be invoked after the `myMethod` of `MyService` class is successfully executed and its returned value will be captured in the `result` parameter.
Please note that the complete usage of @AfterReturning depends on the specific context and configuration of your Spring application.
阅读全文