Java平台下的模拟火车票销售系统

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package servlet; import java.io.*; import java.net.*; import javax.servlet.*; import javax.servlet.http.*; import bean.*; /** * * @author Administrator */ public class TicketServlet extends HttpServlet { /** * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods. * @param request servlet request * @param response servlet response */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=GB2312"); PrintWriter out = response.getWriter(); try { String action = request.getParameter("action"); if (action != null&&!action.equals("")) { if (action.equals("fenyexianshi")){ CheEntity entity = new CheEntity(); String perpage=request.getParameter("tfperpage"); int Perpage=Integer.valueOf(perpage); String curpage=request.getParameter("tfcurpage"); int curPage=Integer.valueOf(curpage); entity.setAllche(Perpage,curPage); request.setAttribute("cheentity", entity); request.getRequestDispatcher("/ticket/ticketlist.jsp").forward(request, response); }else if (action.equals("query")) { CheEntity entity=new CheEntity(); String shifazhan=request.getParameter("tfshifazhan"); if(shifazhan==null){ shifazhan=""; }if(!shifazhan.equals("")){ shifazhan=new String(shifazhan.getBytes("iso-8859-1"),"gb2312"); } String zhongdianzhan=request.getParameter("tfzhongdianzhan"); if(zhongdianzhan==null){ zhongdianzhan=""; }if(!zhongdianzhan.equals("")){ zhongdianzhan=new String(zhongdianzhan.getBytes("iso-8859-1"),"gb2312"); } String zhonglei[]=request.getParameterValues("zhonglei"); if(zhonglei!=null){ for(int i=0;i<zhonglei.length;i++){ zhonglei[i]=new String(zhonglei[i].getBytes("iso-8859-1"),"gb2312"); } } entity.query(shifazhan, zhongdianzhan, zhonglei); request.setAttribute("cheentity", entity); request.getRequestDispatcher("/ticket/ticketlist.jsp").forward(request, response); }else if (action.equals("addcheci")) { CheCiEntity entity=new CheCiEntity(); String bianhao = request.getParameter("tfbianhao"); String shifazhan = request.getParameter("tfqidianzhan"); shifazhan=new String(shifazhan.getBytes("iso-8859-1"),"gb2312"); String zhongdianzhan = request.getParameter("tfzhongdianzhan"); zhongdianzhan=new String(zhongdianzhan.getBytes("iso-8859-1"),"gb2312"); String shifashijian = request.getParameter("tffacheshijian"); shifashijian=new String(shifashijian.getBytes("iso-8859-1"),"gb2312"); String daodashijian = request.getParameter("tfdaodashijian"); daodashijian=new String(daodashijian.getBytes("iso-8859-1"),"gb2312"); int i=entity.addCheci(bianhao, shifazhan, zhongdianzhan, shifashijian, daodashijian); if(i==1) { response.sendRedirect("TicketServlet"); } } else if (action.equals("updatecheci")) { CheCiEntity entity=new CheCiEntity(); String bianhao=request.getParameter("bianhao"); entity.setChecixinxi(bianhao); request.setAttribute("checientity", entity); request.getRequestDispatcher("/ticket/updateticket.jsp").forward(request, response); }else if (action.equals("updatechecito")) { CheCiEntity entity=new CheCiEntity(); String bianhao = request.getParameter("tfbianhao"); String shifazhan = request.getParameter("tfqidianzhan"); shifazhan=new String(shifazhan.getBytes("iso-8859-1"),"gb2312"); String zhongdianzhan = request.getParameter("tfzhongdianzhan"); zhongdianzhan=new String(zhongdianzhan.getBytes("iso-8859-1"),"gb2312"); String shifashijian = request.getParameter("tffacheshijian"); shifashijian=new String(shifashijian.getBytes("iso-8859-1"),"gb2312"); String daodashijian = request.getParameter("tfdaodashijian"); daodashijian=new String(daodashijian.getBytes("iso-8859-1"),"gb2312"); int i=entity.updateCheci(bianhao, shifazhan, zhongdianzhan, shifashijian, daodashijian); if(i==1) { response.sendRedirect("TicketServlet"); } }else if (action.equals("deletecheci")) { CheCiEntity entity=new CheCiEntity(); String bianhao=request.getParameter("bianhao"); int i=entity.deleteCheci(bianhao); if(i==1) { response.sendRedirect("TicketServlet"); } } else if (action.equals("addchepiao")) { CheCiEntity entity=new CheCiEntity(); entity.setAllcheci(); request.setAttribute("checientity", entity); request.getRequestDispatcher("/ticket/addchepiao.jsp").forward(request, response); } else if (action.equals("addchepiaoto")) { ChePiaoEntity entity=new ChePiaoEntity(); String zhonglei=request.getParameter("zhonglei"); zhonglei=new String(zhonglei.getBytes("iso-8859-1"),"gb2312"); String jiage=request.getParameter("tfjiage"); String shuliang=request.getParameter("tfshuliang"); String bianhao=request.getParameter("select"); int i=entity.addChepiao(zhonglei, jiage, shuliang, bianhao); if(i==1) { response.sendRedirect("TicketServlet"); } }else if (action.equals("updatechepiao")) { ChePiaoEntity entity=new ChePiaoEntity(); String tid=request.getParameter("tid"); entity.setChepiaoxinxi(tid); request.setAttribute("chepiaoentity", entity); request.getRequestDispatcher("/ticket/updatechepiao.jsp").forward(request, response); }else if (action.equals("updatechepiaoto")) { ChePiaoEntity entity=new ChePiaoEntity(); String tid=request.getParameter("tfpiaohao"); String zhonglei=request.getParameter("zhonglei"); zhonglei=new String(zhonglei.getBytes("iso-8859-1"),"gb2312"); String jiage=request.getParameter("tfjiage"); String shuliang=request.getParameter("tfshuliang"); int i=entity.updateChepiao(tid,zhonglei, jiage, shuliang); if(i==1) { response.sendRedirect("TicketServlet"); } }else if (action.equals("buychepiao")) { CheEntity entity=new CheEntity(); String tid=request.getParamet