SpringBoot详解自定义Stater的应用

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-autoconfigure</artifactId>
        <version>2.2.2.RELEASE</version>
    </dependency>
</dependencies>

package com.lagou;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
@EnableConfigurationProperties(SimpleBean.class) // 开启@ConfigurationProperties
@ConfigurationProperties(prefix = "simplebean")
public class SimpleBean {
    private int id;
    private String name;
    @Override
    public String toString() {
        return "SimpleBean{" +
                "id=" + id +
                ", name='" + 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;
    }
}

package com.lagou.config;
import com.lagou.SimpleBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
@ConditionalOnClass// 注解：当类路径classpath下有指定类的情况，就会进行自动配置
public class MyAutoConfiguration {
    static {
        System.out.println("MyAutoConfiguration init....");
    }
    @Bean
    public SimpleBean simpleBean() {
        return new SimpleBean();
    }
}

<dependency>
    <groupId>com.lagou</groupId>
    <artifactId>zdy-spring-boot-starter</artifactId>
    <version>1.0-SNAPSHOT</version>
</dependency>

//测试自定义starter
@Autowired
private SimpleBean simpleBean;
@Test
public void zdyStarterTest(){
    System.out.println(simpleBean);
}