How can automatic method execution be configured in Spring Boot?

In Spring Boot, there are various ways to configure methods for automatic execution.

1. By using the @Scheduled annotation, you can designate a method as a scheduled task and specify the time interval for execution. For example:

import org.springframework.scheduling.annotation.Scheduled;

@Scheduled(fixedRate = 5000) // 每隔5秒执行一次
public void doSomething() {
    // 执行的代码逻辑
}

1. By using the @PostConstruct annotation, you can designate a method to be automatically executed after a Bean has finished its initialization process. This method will be executed immediately after the Bean’s constructor has been called. For example:

import javax.annotation.PostConstruct;

@PostConstruct
public void init() {
    // 执行的代码逻辑
}

1. Implementing the InitializingBean interface allows the Bean to execute the desired logic automatically in the afterPropertiesSet() method. For example:

import org.springframework.beans.factory.InitializingBean;

public class MyBean implements InitializingBean {
    
    @Override
    public void afterPropertiesSet() throws Exception {
        // 执行的代码逻辑
    }
}

There are various common ways to set up automatic execution methods, the specific choice depends on the specific requirements and scenario.