SpringBoot 自定义start

@EnableConfigurationProperties(SimpleBean.class)  //开启ConfigurationProperties注解
@ConfigurationProperties(prefix = "simplebean")
public class SimpleBean {

    private int id;
    private String name;

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "SimpleBean{" +
                "id=" + id +
                ", name='" + name + ''' +
                '}';
    }
}

import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;


@Configuration
//@ConditionalOnClass(SimpleBean.class)    //当类路径下有指定类的情况下，就会进行自动配置
@ConditionalOnClass
public class MyAutoConfiguration {

    static {
        System.out.println("MyAutoConfiguration init....");
    }


    @Bean
    public SimpleBean simpleBean() {

        return new SimpleBean();
    }


}

    
        
            org.springframework.boot
            spring-boot-autoconfigure
            2.2.2.RELEASE
        
    

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配置文件内容：