goodsmanage.java

java web开发技术方案宝典

package com.yxq.servlet;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.yxq.bean.DBO;

public class GoodsManage extends HttpServlet {
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doPost(request,response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		HttpSession session=request.getSession();
		String selectmenu=(String)session.getAttribute("selectmenu");
		if(selectmenu==null||selectmenu.equals("")||!selectmenu.equals("goods")){
			System.out.println("非法访问！");
		}
		else{			
			session.setAttribute("currentPos","商品管理");
			String op=request.getParameter("op");
			if(op==null||op.equals("")){
				System.out.println("显示<商品管理>子菜单！");
				getSubMenuList(request,response);
			}
			else if(op.equals("single_add")){
				System.out.println("执行 商品添加 操作！");
				doSingleAdd(request,response);
			}
			else if(op.equals("single_look")){
				System.out.println("执行 商品查看 操作！");
				doSingleLook(request,response);
			}
			else if(op.equals("single_search")){
				System.out.println("执行 商品查询 操作！");
				doSingleSearch(request,response);
			}
			else if(op.equals("single_modify")){
				System.out.println("执行 商品修改 操作！");
				doSingleModify(request,response);
			}
			else if(op.equals("single_del")){
				System.out.println("执行 商品删除 操作！");
				doSingleDel(request,response);
			}
			else if(op.equals("kind_add")){
				System.out.println("执行 类别添加 操作！");
				doKindAdd(request,response);
			}
			else if(op.equals("kind_del")){
				System.out.println("执行 类别删除 操作！");
				doKindDel(request,response);
			}			
		}
	}
	
	private void getSubMenuList(HttpServletRequest request,HttpServletResponse response){
		HttpSession session=request.getSession();
		List submenulist=new ArrayList();
		DBO db=new DBO();
		
		String sql="select * from tb_ShopMenu where menu_parentid='goods' and menu_level=2 order by menu_order";
		submenulist=db.getMenulist(sql);
		db.closed();
		session.setAttribute("submenulist",submenulist);
		
		RequestDispatcher rd=request.getRequestDispatcher("/view/default.jsp");
		try {
			rd.forward(request,response);
		} catch (Exception e) {
		    System.out.println("获取<商品管理>子菜单后，进行转发出错！");
			e.printStackTrace();
		}
	}	
	private void doSingleAdd(HttpServletRequest request,HttpServletResponse response){
		HttpSession session=request.getSession();
		session.setAttribute("selectsubmenu","goods_add_single");
		RequestDispatcher rd=null;
		rd=request.getRequestDispatcher("/pages/goods/object/ObjectAdd.jsp");
		try {
			rd.forward(request,response);
		} catch (Exception e) {
			e.printStackTrace();
		}			
	}
	private void doSingleLook(HttpServletRequest request,HttpServletResponse response){
		HttpSession session=request.getSession();
		session.setAttribute("selectsubmenu","goods_look_single");
		RequestDispatcher rd=null;
		
		rd=request.getRequestDispatcher("/pages/goods/object/ObjectLook.jsp");
		try {
			rd.forward(request,response);
		} catch (Exception e) {
			e.printStackTrace();
		}			
	}
	private void doSingleSearch(HttpServletRequest request,HttpServletResponse response){
		HttpSession session=request.getSession();
		session.setAttribute("selectsubmenu","goods_search_single");
		RequestDispatcher rd=null;

		rd=request.getRequestDispatcher("/pages/goods/object/ObjectSearch.jsp");
		try {
			rd.forward(request,response);
		} catch (Exception e) {
			e.printStackTrace();
		}			
	}
	private void doSingleModify(HttpServletRequest request,HttpServletResponse response){
			
	}
	private void doSingleDel(HttpServletRequest request,HttpServletResponse response){
			
	}
	/**** 商品种类操作 ****/
	private void doKindAdd(HttpServletRequest request,HttpServletResponse response){
		HttpSession session=request.getSession();
		session.setAttribute("selectsubmenu","goods_add_kind");
		RequestDispatcher rd=null;

		rd=request.getRequestDispatcher("/pages/goods/kind/KindAdd.jsp");
		try {
			rd.forward(request,response);
		} catch (Exception e) {
			e.printStackTrace();
		}			
	}
	private void doKindDel(HttpServletRequest request,HttpServletResponse response){
			
	}
}