trainsearchpro.jsp

《jsp案例开发》这本书的源代码。包括源代码和相关的具体配置操作步骤。非常不错

<%@ page
    language="java"
    contentType="text/html; charset=GBK"
    import="imis.*,javax.naming.*,javax.rmi.PortableRemoteObject,java.util.*,java.sql.*,java.io.*"
%>
<%
    request.setCharacterEncoding("GBK");
    session=request.getSession();
    trainStruct ts = (trainStruct)session.getAttribute("trst") ;
    if(ts!=null){
    session.removeAttribute("trst") ;
    }
    userStruct session_us=(userStruct)session.getAttribute("user");
    if(session_us==null){
    response.sendRedirect("../../login.html");
    }
    else if((session_us.getAccess().intValue() ==0)||(session_us.getAccess().intValue()==1)||(session_us.getAccess().intValue()==2)||(session_us.getAccess().intValue()==8)){
          response.sendRedirect("../../error/access.html") ;
    }
  else{
      try{
        Context trainctx = new InitialContext();
        Object trainref = trainctx.lookup("TrainController");
        TrainControllerHome trainControllerHome = (TrainControllerHome) PortableRemoteObject.narrow(trainref, TrainControllerHome.class);
        TrainController traincontroller = trainControllerHome.create();
        String trname = request.getParameter("trainname") ;
        String trperson = request.getParameter("person") ;
        String trtrainperson = request.getParameter("trainperson") ;
        Collection collect=new ArrayList();
        Collection sel_collect=new ArrayList();
       // Collection tr=new ArrayList();

        if(!trname.equals("")){
          collect = traincontroller.getByName(trname) ;
        }else if(!trperson.equals("")){
          collect = traincontroller.getByPerson(trperson) ;
        }else if(!trtrainperson.equals("")){
          collect = traincontroller.getByTrainperson(trtrainperson) ;
        }else{
          collect = traincontroller.getTrainAll() ;
        }

        Vector rongqi= new Vector();
        //作过滤
       trainStruct trainst=null;
        Judge judge=new Judge();
      Collection temcollection = new ArrayList();
        Iterator ii=collect.iterator() ;
        while (ii.hasNext() ){
           trainst = new trainStruct();
           trainst = (trainStruct)ii.next() ;
           if (judge.decide(session_us.unitid ,trainst.unitid )){
               rongqi.addElement(trainst);
           }
        }



        for(int l=0;l<rongqi.size()-1;l++)
          for(int k=l+1;k<rongqi.size();k++)
            {
            if(((trainStruct)rongqi.elementAt(l)).trainname.equals(((trainStruct)rongqi.elementAt(k)).trainname))
                     {
                     rongqi.remove(k);
                     k--;
                       }
             }


for(int l=0;l<rongqi.size();l++)
{
temcollection.add(rongqi.elementAt(l));
}

sel_collect.addAll(temcollection);
session.setAttribute("trsearchresult",sel_collect) ;
response.sendRedirect("trainsearch.jsp");
      }
      catch(Exception e){
         e.printStackTrace() ;
      }
  }
%>