类 PathVariableMapMethodArgumentResolver
- java.lang.Object
- org.springframework.web.servlet.mvc.method.annotation.PathVariableMapMethodArgumentResolver
- 所有已实现的接口:
HandlerMethodArgumentResolver
public class PathVariableMapMethodArgumentResolver extends Object implements HandlerMethodArgumentResolver
ResolvesMapmethod arguments annotated with an @PathVariablewhere the annotation does not specify a path variable name. The createdMapcontains all URI template name/value pairs.- 从以下版本开始:
- 3.2
- 作者:
- Rossen Stoyanchev
- 另请参阅:
PathVariableMethodArgumentResolver
构造器概要
构造器 构造器 说明 PathVariableMapMethodArgumentResolver()
方法概要
所有方法 实例方法 具体方法 修饰符和类型 方法 说明 ObjectresolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory)Return a Map with all URI template variables or an empty map.booleansupportsParameter(MethodParameter parameter)Whether the given method parameter is supported by this resolver.
构造器详细资料
PathVariableMapMethodArgumentResolver
public PathVariableMapMethodArgumentResolver()
方法详细资料
supportsParameter
public boolean supportsParameter(MethodParameter parameter)
从接口复制的说明:HandlerMethodArgumentResolverWhether the given method parameter is supported by this resolver.- 指定者:
supportsParameter在接口中HandlerMethodArgumentResolver- 参数:
parameter- the method parameter to check- 返回:
trueif this resolver supports the supplied parameter;falseotherwise
resolveArgument
public Object resolveArgument(MethodParameter parameter, @Nullable ModelAndViewContainer mavContainer, NativeWebRequest webRequest, @Nullable WebDataBinderFactory binderFactory) throws Exception
Return a Map with all URI template variables or an empty map.- 指定者:
resolveArgument在接口中HandlerMethodArgumentResolver- 参数:
parameter- the method parameter to resolve. This parameter must have previously been passed toHandlerMethodArgumentResolver.supportsParameter(org.springframework.core.MethodParameter)which must have returnedtrue.mavContainer- the ModelAndViewContainer for the current requestwebRequest- the current requestbinderFactory- a factory for creatingWebDataBinderinstances- 返回:
- the resolved argument value, or
nullif not resolvable - 抛出:
Exception- in case of errors with the preparation of argument values