一、引入Maven坐标
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
</dependency>
二、定义自定义属性
/**
* @author zhangboqing
* @date 2019-11-20
*/
@Component
@ConfigurationProperties(prefix = "my.custom.property")
public class MyCustomProperties { private String name; private String username; private String age; @DeprecatedConfigurationProperty(reason = "换名称了",replacement = "username")
public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public String getUsername() {
return username;
} public void setUsername(String username) {
this.username = username;
} public String getAge() {
return age;
} public void setAge(String age) {
this.age = age;
}
}
三、重新 compile 编译项目之后，configuration processor 会为我们创建一个 JSON 文件:spring-configuration-metadata.json
四、然后当我们在 application.properties 和 application.yml 中写配置的时候就会有自动提醒了
注意：只有先编译后生成spring-configuration-metadata.json文件后，提示功能才生效