全都无法跳转
if(action.equals("add")){
if( addToCart(request, response)){
request.getRequestDispatcher("/Success.jsp").forward(request, response);
}else{
request.getRequestDispatcher("/Faile.jsp").forward(request, response);
}
}
if(action.equals("show")){
request.getRequestDispatcher("/index.jsp").forward(request, response);
}
