好的，我知道了。这是解决方案。该bean需要在上下文中注册。Swagger将发现该bean并将其用作丰富操作的插件之一
import java.util.ArrayList;import java.util.List;import org.apache.log4j.Logger;import org.springframework.core.annotation.Order;import com.fasterxml.classmate.TypeResolver;import com.google.common.base.Optional;import springfox.documentation.builders.ParameterBuilder;import springfox.documentation.schema.ModelRef;import springfox.documentation.service.Parameter;import springfox.documentation.spi.documentationType;import springfox.documentation.spi.service.OperationBuilderPlugin;import springfox.documentation.spi.service.contexts.OperationContext;import springfox.documentation.swagger.common.SwaggerPluginSupport;@Order(SwaggerPluginSupport.SWAGGER_PLUGIN_ORDER + 1000)public class CommonPathVariableOperationBuilderPlugin implements OperationBuilderPlugin { protected Logger log = Logger.getLogger(getClass()); private TypeResolver typeResolver; public CommonPathVariableOperationBuilderPlugin(TypeResolver typeResolver) { this.typeResolver = typeResolver; } @Override public boolean supports(documentationType delimiter) { return true; } @Override public void apply(OperationContext opCtx) { List<Parameter> ret = new ArrayList<Parameter>(); Optional<HasCommonPathVariable> annSingle = opCtx.findControllerAnnotation(HasCommonPathVariable.class); if (annSingle.isPresent()) { ret.add(addParameter(annSingle.get())); } Optional<HasCommonPathVariables> annPlural = opCtx.findControllerAnnotation(HasCommonPathVariables.class); if (annPlural.isPresent()) { for (HasCommonPathVariable ann : annPlural.get().value()) { ret.add(addParameter(ann)); } } opCtx.operationBuilder().parameters(ret); } private Parameter addParameter(HasCommonPathVariable ann) { ParameterBuilder pb = new ParameterBuilder(); pb.parameterType("path").name(ann.name()).type(typeResolver.resolve(ann.type())); pb.modelRef(new ModelRef("string")); pb.required(true); if (!"".equals(ann.defaultValue())) { pb.defaultValue(ann.defaultValue()); } return pb.build(); }}
