RedirectAttributesMethodArgumentResolver.java 文件源码

@Override
public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {

    DataBinder dataBinder = binderFactory.createBinder(webRequest, null, null);
    ModelMap redirectAttributes  = new RedirectAttributesModelMap(dataBinder);
    mavContainer.setRedirectModel(redirectAttributes);
    return redirectAttributes;
}