SpringBoot根据参数动态调用接口实现类方法

public interface I {
    void m();
}

import org.springframework.stereotype.Service;

@Service("AService")
public class A implements I {
    @Override
    public void m() {
        System.out.println("Executing method m in class A");
    }
}

@Service("BService")
public class B implements I {
    @Override
    public void m() {
        System.out.println("Executing method m in class B");
    }
}

@Service("CService")
public class C implements I {
    @Override
    public void m() {
        System.out.println("Executing method m in class C");
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.stereotype.Component;

@Component
public class ServiceFactory {

    @Autowired
    private ApplicationContext applicationContext;

    public I getService(String type) {
        String beanName = type + "Service";
        try {
            return applicationContext.getBean(beanName, I.class);
        } catch (Exception e) {
            // 这里可以添加默认的处理逻辑
            return new I() {
                @Override
                public void m() {
                    System.out.println("Executing default implementation of method m");
                }
            };
        }
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class MyController {

    @Autowired
    private ServiceFactory serviceFactory;

    @GetMapping("/execute")
    public String execute(@RequestParam String type) {
        I service = serviceFactory.getService(type);
        service.m();
        return "Method executed for type: " + type;
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Application implements CommandLineRunner {

    @Autowired
    private ServiceFactory serviceFactory;

    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }

    @Override
    public void run(String... args) {
        I serviceA = serviceFactory.getService("A");
        serviceA.m();

        I serviceB = serviceFactory.getService("B");
        serviceB.m();

        I serviceC = serviceFactory.getService("C");
        serviceC.m();

        I defaultService = serviceFactory.getService("D");
        defaultService.m();
    }
}