Spring 4 - Java 配置、Tomcat 和显示名称

使用Spring 4进行Java配置和Tomcat部署应用程序时，可以方便地实现各种功能和配置。本文将介绍如何使用Spring 4进行Java配置，并结合Tomcat进行部署，同时还会讨论如何设置显示名称。最后，我们会提供一个案例代码来帮助读者更好地理解这些概念。

xml
    
        org.springframework
        spring-context
        4.3.9.RELEASE
    
    

java
@Configuration
public class AppConfig {
    @Bean
    public MyService myService() {
        return new MyServiceImpl();
    }
    @Bean
    public MyController myController() {
        return new MyController(myService());
    }
}

xml
    
    My Spring App

java
@Configuration
public class AppConfig {
    @Bean
    public MyService myService() {
        return new MyServiceImpl();
    }
    @Bean
    public MyController myController() {
        return new MyController(myService());
    }
}
public interface MyService {
    void doSomething();
}
public class MyServiceImpl implements MyService {
    @Override
    public void doSomething() {
        System.out.println("Doing something...");
    }
}
public class MyController {
    private MyService myService;
    public MyController(MyService myService) {
        this.myService = myService;
    }
    public void handleRequest() {
        myService.doSomething();
    }
}
public class Main {
    public static void main(String[] args) {
        ApplicationContext context = new AnnotationConfigApplicationContext(AppConfig.class);
        MyController controller = context.getBean(MyController.class);
        controller.handleRequest();
    }
}