//新闻编号
int nid=Integer.parseInt(request.getParameter("nid"));
//新闻主题编号
int ntid=1;
String ntitle=request.getParameter("title");
String nauthor=request.getParameter("atuthor");
String nsummary=request.getParameter("summary");
String ncontent=request.getParameter("ccontent");
String nimage=request.getParameter("image");
取出来的值全是null