// 初始化更新新闻页面，不使用ActionForm，主键通过URL由HttpServletRequest对象获取
public ActionForward updateView(
ActionMapping mapping,
ActionForm actionForm,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
int num = Integer.parseInt(request.getParameter(Name.Property));
String hql = "from News news where news.num='" + num + "'";
News news = Controller.get(hql);
request.getSession().setAttribute(Name.AdminNews, news);
response.sendRedirect("news_update.jsp");
return null;
}
// 处理事务：开启新闻或是关闭新闻，不使用ActionForm，主键通过URL由HttpServletRequest对象获取
public ActionForward setIsUsed(
ActionMapping mapping,
ActionForm actionForm,
HttpServletRequest request,
HttpServletResponse response)
throws Exception {
int num = Integer.parseInt(request.getParameter(Name.Property));
String hql = "from News news where news.num='" + num + "'";
News news = Controller.get(hql);
String code = request.getParameter("code");
if ("start".equals(code)) {
news.setIsUsed(true);
} else {
news.setIsUsed(false);
}
Controller.update(news);
response.sendRedirect("news_view.do?method=viewList");
return null;
}
public static String getName(int num) {
String hql = "select shop.name from Shop shop where shop.num='" + num + "'";
Object obj = Controller.get(hql);
return (String) obj;
}