springboot配置文件自定义配置数据

先看源码

@ConfigurationProperties(
prefix = "spring.datasource"
)
public class DataSourceProperties implements BeanClassLoaderAware, InitializingBean {}

类似的springboot自动配置

public final class SpringProperties {
private static final String PROPERTIES_RESOURCE_LOCATION = "spring.properties";
private static final Log logger = LogFactory.getLog(SpringProperties.class);
private static final Properties localProperties = new Properties();

private SpringProperties() {
}

所以仿照着写一个实现自定义配置数据
yml中

db.page:
pageSize: 3

类中

/**
* @configuration 描述的对象为一个配置对象,可以由Spring对其管理
* @author DELL
*/
@Setter
@Getter
@Configuration
@ConfigurationProperties(
prefix = "db.page"
)
public class PageProperties{
private int pageSize;

}

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