主要代码:errors.add(ActionMessages.GLOBAL_MESSAGE,new ActionMessage("error.username.existed"));
if (!errors.isEmpty()) {
saveErrors(request, errors);
//saveMessages(request,errors);
}
pageForward = "ToErrorPage";
用saveErrors()在<html:errors/>可以显示错误,
saveMessages()却不行,
能讲讲它们的却别吗?
还有addMessages(),addErrors()吧,顺便讲讲最好了!