spring_reference/IX. ‘How-to’ guides/62.3. Build an ApplicationContext hierarchy (adding a parent or root context).md

### 62.3. 构建ApplicationContext层次结构（添加父或根上下文）

你可以使用`ApplicationBuilder`类创建父/根`ApplicationContext`层次结构。查看'Spring Boot特性'章节的[Section 22.3, “Fluent builder API” ](http://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/#boot-features-fluent-builder-api)获取更多信息。