public class User {
  private String name;

  public String getName() {
    return name;
  }
  @Value("huba") //屬性注入值
  public void setName(String name) {
    this.name = name;
  }
}

package com.kuang.config;

import com.kuang.pojo.User;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;

@Configuration //這個(gè)也會(huì)spring容器托管，注冊(cè)到容器中，因?yàn)樗緛砭褪且粋€(gè)@Component
//@Configuration:代表這個(gè)一個(gè)配置類，就等同于beans.xml
@ComponentScan("com.kuang.pojo")
@Import(MyConfig2.class)
public class MyConfig {

  //注冊(cè)一個(gè)bean，就相當(dāng)于我們之前寫的<bean>標(biāo)簽
  //方法名就相當(dāng)于bean標(biāo)簽中的id
  //方法的返回值就相當(dāng)于bean標(biāo)簽中的class屬性
  @Bean
  public User user(){
    return new User();//就是返回要注入bean的對(duì)象
  }
}

import com.kuang.config.MyConfig;
import com.kuang.pojo.User;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;

public class myTest {
  @Test
  public void test(){
    //如果完全使用配置類方式，只能通過AnnotationConfigApplicationContext獲取容器，通過配置類的class對(duì)象加載！
    ApplicationContext context = new AnnotationConfigApplicationContext(MyConfig.class);
    User user = context.getBean("user", User.class);
    System.out.println(user.getName());
  }
}