## 接口的使用
org.springframework.beans.factory.xml.NamespaceHandler

- 使用NamespaceHandler的程序包
  程序包 | 说明
  --- | ---
  org.springframework.beans.factory.xml | Contains an abstract XML-based `BeanFactory` implementation, including a standard "spring-beans" XSD.

- - ### org.springframework.beans.factory.xml中NamespaceHandler的使用

    实现NamespaceHandler的org.springframework.beans.factory.xml中的类
    限定符和类型 | 类和说明
    --- | ---
    `class` | `NamespaceHandlerSupport` Support class for implementing custom `NamespaceHandlers`.
    `class` | `SimpleConstructorNamespaceHandler` Simple `NamespaceHandler` implementation that maps custom attributes directly through to bean properties.
    `class` | `SimplePropertyNamespaceHandler` Simple `NamespaceHandler` implementation that maps custom attributes directly through to bean properties.
    `class` | `UtilNamespaceHandler` `NamespaceHandler` for the `util` namespace.

    返回NamespaceHandler的org.springframework.beans.factory.xml中的方法
    限定符和类型 | 方法和说明
    --- | ---
    `NamespaceHandler` | DefaultNamespaceHandlerResolver.`resolve(String namespaceUri)` Locate the `NamespaceHandler` for the supplied namespace URI from the configured mappings.
    `NamespaceHandler` | NamespaceHandlerResolver.`resolve(String namespaceUri)` Resolve the namespace URI and return the located `NamespaceHandler` implementation.