tb_bbs_action.java

这是一个Struts网上商城(图书)的管理系统源代码.

package com.bookshop.action;

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

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.bookshop.dao.bbs_dao;
import com.bookshop.dto.bbs_dto;

public class tb_bbs_action extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("gb2312");
		response.setContentType("text/html;charset=gb2312");
		doPost(request,response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		request.setCharacterEncoding("gb2312");
		response.setContentType("text/html;charset=gb2312");
		PrintWriter out = response.getWriter();
		HttpSession session=request.getSession();
		//公告管理
		String action =request.getParameter("action");
		if(action!=null&&action.equals("bbs_manage")){
			String next="";
			if(session.getAttribute("admin")!=null){
			System.out.println("bbs_manage is running");
			
            
            ArrayList list=new bbs_dao().bbs_select();
            request.setAttribute("list",list);
            
            next="../manager/BBSManage.jsp";
			}
			else
				 next="../manager/login_m.jsp";
			System.out.println(next);
            request.getRequestDispatcher(next).forward(request,response);
		}
		
		
		//删除公告
		if(action!=null&&action.equals("bbs_del")){
			String next="";
			if(session.getAttribute("admin")!=null){
			System.out.println("bbs_del is running");
			
            String id=request.getParameter("id");
            bbs_dto dto=new bbs_dao().bbs_sel(id);
            
            request.setAttribute("bbs_del",dto);
            next="../manager/BBS_del.jsp";
			}
			else
				 next="../manager/login_m.jsp";
			System.out.println(next);
            request.getRequestDispatcher(next).forward(request,response);
		}
		
		//执行删除公告
		if(action!=null&&action.equals("bbs_del_excute")){
			String next="";
			if(session.getAttribute("admin")!=null){
			System.out.println("bbs_del is running");
			
            String id=request.getParameter("id");
            int n=new bbs_dao().bbs_delete(id);
            
            next="tb_bbs_action?action=bbs_manage";
			}
			else
				 next="../manager/login_m.jsp";
			System.out.println(next);
            request.getRequestDispatcher(next).forward(request,response);
		}
		
		//添加公告
		if(action!=null&&action.equals("bbs_add")){
			String next="";
			if(session.getAttribute("admin")!=null){
				System.out.println("bbs_add is running");
				
				String content=request.getParameter("content");
				int n=new bbs_dao().bbs_insert(content);
	            next="tb_bbs_action?action=bbs_manage";
			}
			else
				 next="../manager/login_m.jsp";
			System.out.println(next);
            request.getRequestDispatcher(next).forward(request,response);
		}
		out.flush();
		out.close();
	}

}