是的,您可以覆盖 RequestHeaderMapMethodArgumentResolver。这是一种方法:
import org.apache.commons.collections.map.CaseInsensitiveMap;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.BeanPostProcessor;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.annotation.RequestHeaderMapMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;
import java.util.Map;
public class FixRequestHeaderMapMethodArgumentResolverConfigurer implements BeanPostProcessor {
@Override
public Object postProcessBeforeInitialization(Object bean, String s) throws BeansException {
return bean;
}
@Override
public Object postProcessAfterInitialization(Object bean, String s) throws BeansException {
if(bean instanceof RequestHeaderMapMethodArgumentResolver) {
return new RequestHeaderMapMethodArgumentResolver() {
@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
return new CaseInsensitiveMap((Map)super.resolveArgument(parameter, mavContainer, webRequest, binderFactory));
}
};
} else
return bean;
}
}