不带@PostConstruct注释的Spring boot初始化

import org.springframework.beans.factory.InitializingBean;
import org.springframework.stereotype.Component;

@Component
public class MyBean implements InitializingBean {

    @Override
    public void afterPropertiesSet() throws Exception {
        // 初始化逻辑
        System.out.println("Bean is going through init.");
    }
}

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class AppConfig {

    @Bean(initMethod = "init")
    public MyBean myBean() {
        return new MyBean();
    }

    public static class MyBean {
        public void init() {
            // 初始化逻辑
            System.out.println("Bean is going through init.");
        }
    }
}

import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;

@Component
public class MyCommandLineRunner implements CommandLineRunner {

    @Override
    public void run(String... args) throws Exception {
        // 初始化逻辑
        System.out.println("Application started, running init tasks.");
    }
}