SpringBoot配置文件导入方法详细讲解

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
</beans>

public interface OrderService {
    public void test();
}

public class OrderServiceImpl  implements OrderService{
    @Override
    public void test() {
        System.out.println("xml配置获取类的实例");
    }
}

<bean id="orderService" class="com.moming.service.impl.OrderServiceImpl"></bean>

@SpringBootApplication
@ImportResource(value = "classpath:beans.xml")
public class App{
    public static void main(String[] args) {
        SpringApplication.run(App.class, args);
    }
}

@RestController
public class OrderController {
    @Autowired
    private OrderService orderService;
    @RequestMapping("/test")
    public void test(){
        orderService.test();
    }
}

package cn.moming;
public class B {
    public void  test(){
        System.out.println("我是外包的B类");
    }
}

package cn.moming;
public class C {
    public void  test(){
        System.out.println("我是外包的C类");
    }
}

@SpringBootApplication
//@ImportResource(value = "classpath:beans.xml")
@Import({B.class,C.class})
public class App{
    public static void main(String[] args) {
        //SpringApplication.run(App.class, args);
        ConfigurableApplicationContext context = SpringApplication.run(App.class, args);
        B bean1 = context.getBean(B.class);
        C bean2 = context.getBean(C.class);
        bean1.test();
        bean2.test();
    }
}

package com.moming.config;
import org.springframework.context.annotation.Configuration;
@Configuration
public class A {
    public void  test(){
        System.out.println("我是同包/子包的A类");
    }
}

@SpringBootApplication
//@ImportResource(value = "classpath:beans.xml")
//@Import({B.class,C.class})
public class App{
    public static void main(String[] args) {
        //SpringApplication.run(App.class, args);
        ConfigurableApplicationContext context = SpringApplication.run(App.class, args);
        A bean = context.getBean(A.class);
        bean.test();
    }
}