public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
response.setCharacterEncoding("UTF-8");
// PrintWriter out = response.getWriter(); // 再拿到输出对象
response.setContentType("text/html;charset=UTF-8");
String flag = request.getParameter("flag");
if (flag == null) {
// flag=request.getAttribute("flag").toString();
}
System.out.println("flag:" + flag);
if (("queryOrder").equals(flag)) {
List<OrderBean> beans = orderBeanManager.queryOrder(request, response);
System.out.println("order.size:" + beans.size());
request.setAttribute("orderBeans", beans);
request.getRequestDispatcher("/order.jsp").forward(request, response);
return;
} else if ("queryFood".equals(flag)) {
List<FoodBean> foodBeans = orderBeanManager.queryFood(request, response);
request.setAttribute("foodBeans", foodBeans);
request.getRequestDispatcher("/food_new.jsp").forward(request, response);
return;
} else if ("updateFood".equals(flag)) {
System.out.println(request.getParameter("picture"));
FileManager f = new FileManager();
f.upload(request, response);
;
} else if ("updateOrder".equals(flag)) {
int id = Integer.parseInt(request.getParameter("id"));
orderBeanManager.updateOrder(id);
List<OrderBean> beans = orderBeanManager.queryOrder(request, response);
request.setAttribute("orderBeans", beans);
request.getRequestDispatcher("/order.jsp").forward(request, response);
return;
} else if ("queryUser".equals(flag)) {
List<UserBean> userBeans = orderBeanManager.queryUser();
request.setAttribute("userBeans", userBeans);
request.getRequestDispatcher("/user.jsp").forward(request, response);
} else {
FileManager f = new FileManager();
f.upload(request, response);
List<FoodBean> foodBeans = orderBeanManager.queryFood(request, response);
request.setAttribute("foodBeans", foodBeans);
request.getRequestDispatcher("/food_new.jsp").forward(request, response);
return;
}
}
public void init() throws ServletException {
orderBeanManager = OrderBeanManager.getInstance();
webPath = getServletContext().getRealPath("/");
}