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@Target(value=PARAMETER) @Retention(value=RUNTIME) @Documented public @interface RequestParam
Annotation which indicates that a method parameter should be bound
to a web request parameter. Supported for RequestMapping
annotated handler methods in Servlet and Portlet environments.
RequestMapping,
AnnotationMethodHandlerAdapter,
AnnotationMethodHandlerAdapter| Optional Element Summary | |
|---|---|
boolean |
required
Whether the parameter is required. |
String |
value
The request parameter to bind to. |
public abstract String value
public abstract boolean required
Default is
true, leading to an exception thrown in case
of the parameter missing in the request. Switch this to false
if you prefer a null in case of the parameter missing.
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