ActionMapping (Spring Framework 4.3.30.RELEASE API)

```
@Target(METHOD)
@Retention(RUNTIME)
@Documented
public @interface ActionMapping
```
Annotation for mapping Portlet action requests onto handler methods.
从以下版本开始:
3.0
作者:
Juergen Hoeller, Sam Brannen
另请参阅:
RequestMapping

可选元素概要

可选元素
修饰符和类型	可选元素	说明
`String`	`name`	The name of the action, according to the Portlet 2.0 `javax.portlet.action` parameter.
`String[]`	`params`	The parameters of the mapped request, narrowing the primary mapping.
`String`	`value`	Alias for `name()`.

- 元素详细资料
  - value
```
@AliasFor("name")
String value
```
    Alias for name().
    默认值:
    ""
- - name
```
@AliasFor("value")
String name
```
    The name of the action, according to the Portlet 2.0 javax.portlet.action parameter.
    If not specified, the annotated method will be used as a default handler: i.e. for action requests where no specific action mapping was found.
    Note that all such annotated action methods only apply within the @RequestMapping constraints of the containing handler class.
    从以下版本开始:
    4.2
    另请参阅:
    ActionRequest.ACTION_NAME, value()
    默认值:
    ""
- - params
```
String[] params
```
    The parameters of the mapped request, narrowing the primary mapping.
    Same format for any environment: a sequence of "myParam=myValue" style expressions, with a request only mapped if each such parameter is found to have the given value. "myParam" style expressions are also supported, with such parameters having to be present in the request (allowed to have any value). Finally, "!myParam" style expressions indicate that the specified parameter is not supposed to be present in the request.
    另请参阅:
    RequestMapping.params()
    默认值:
    {}