spring_reference/X. Appendices/B.1.3. Repeated meta-data i...

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### 附录B.1.3. 可重复的元数据节点
在同一个元数据文件中出现多次相同名称的"property"和"group"对象是可以接受的。例如Spring Boot将`spring.datasource`属性绑定到HikariTomcat和DBCP类并且每个都潜在的提供了重复的属性名。这些元数据的消费者需要确保他们支持这样的场景。