Java优学网SpringBoot自定义配置教程：轻松掌握个性化配置技巧，告别繁琐开发

@ConfigurationProperties(prefix = "app.datasource") @Component public class DataSourceConfig {

private String url;
private String username;
private int maxPoolSize;

// 标准的getter和setter方法

}

@ConfigurationProperties(prefix = "app.mail") @Component public class MailConfig {

private Server server;
private Template template;

// 静态内部类定义复杂对象
public static class Server {
    private String host;
    private int port;
    private String username;
    private String password;
    // getters and setters
}

public static class Template {
    private String welcomeSubject;
    private String resetPasswordBody;
    private boolean htmlEnabled;
    // getters and setters
}

// getters and setters

}

spring: profiles:

active: dev  # 默认开发环境

app: name: "Java优学网" version: "1.0.0"

@Configuration @ConditionalOnProperty(name = "app.feature.cache.enabled", havingValue = "true") public class CacheConfig {

@Bean
public CacheManager cacheManager() {
    return new RedisCacheManager();
}

}

app: database-config:

connection-timeout: 5000

spring: datasource:

hikari:
  maximum-pool-size: 20
  minimum-idle: 5
  connection-timeout: 30000
  idle-timeout: 600000
  max-lifetime: 1800000
  connection-test-query: SELECT 1