Java项目启动时先加载某些方法可用于redis缓存预热

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;

@Slf4j
@Service
public class FirstService {

    @PostConstruct
    public void test() {
        System.out.println("First-PostConstruct:开始运行...");
    }


}




import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;

@Slf4j
@Service
public class TwoService implements CommandLineRunner {
    @Override
    public void run(String... args) throws Exception {
        System.out.println("Two-CommandLineRunner:开始运行...");
    }
}






import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Service;

@Slf4j
@Service
public class ThreeService implements ApplicationRunner {

    @Override
    public void run(ApplicationArguments args) throws Exception {
        System.out.println("Three-ApplicationRunner:开始运行...");
    }
}