org.springframework.web.bind.annotation
Annotation Type RequestParam

@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.

Since:

2.5

Author:

Arjen Poutsma, Juergen Hoeller

See Also:

RequestMapping, AnnotationMethodHandlerAdapter, AnnotationMethodHandlerAdapter

Optional Element Summary

boolean	required Whether the parameter is required.
String	value The request parameter to bind to.

value

public abstract String value

The request parameter to bind to.

Default:

""

required

public abstract boolean required

Whether the parameter is 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.

Default:

true