Struts+hibernate入门实例-投票系统

本系统采用Struts + Hibernate 作为主题框架数据库采用Mysql开源包使用JSTL+JFreeChart项目结构如下：action     ChartServlet.java     VoteAction.java     VoteDeleteAction.java     VoteEditAction.java     VoteitemDeleteAction.java     VoteitemEditAction.java     VoteitemListAction.java     VoteitemSaveAction.java     VoteManageAction.java     VoteSaveAction.javadao      IVoteDAO.java     VoteDAO.javasql    script.sqlmodel    vote.hbm.xml    voteItem.hbm.xml    Vote.java    Voteitems.javautil    DAOFactory.java   HibernateDAO.java   HibernateFilter.java   HibernateUtil.java   SelectConst.java   VoteFunction.java

 

ChartServlet

package  cn.hxex.vote.action; import  java.io.IOException; import  java.util.Iterator; import  javax.servlet.ServletException; import  javax.servlet.http.HttpServlet; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.jfree.chart.ChartFactory; import  org.jfree.chart.ChartUtilities; import  org.jfree.chart.JFreeChart; import  org.jfree.chart.plot.PlotOrientation; import  org.jfree.data.category.DefaultCategoryDataset; import  org.jfree.data.general.DefaultPieDataset; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; import  cn.hxex.vote.util.DAOFactory; public   class  ChartServlet  extends  HttpServlet  ... {    /** *//**     * Constructor of the object.     */    public ChartServlet() ...{        super();    }    /** *//**     * Destruction of the servlet. <br>     */    public void destroy() ...{        super.destroy(); // Just puts "destroy" string in log        // Put your code here    }        public void doGet(HttpServletRequest request, HttpServletResponse response)            throws ServletException, IOException ...{        doPost( request, response );    }        public void doPost(HttpServletRequest request, HttpServletResponse response)            throws ServletException, IOException ...{         String id=request.getParameter("id");         IVoteDAO votedao=DAOFactory.getVoteDAO();         Vote vote=votedao.getVote(id);         JFreeChart chart=getChart(vote);         response.setContentType("image/jpeg");         ChartUtilities.writeChartAsJPEG(response.getOutputStream(), 100, chart, 400,300);                      }    public static JFreeChart getChart(Vote vote)...{        JFreeChart chart=null;        if(vote.getPictype().indexOf("PIE")==0)...{            DefaultPieDataset date=new DefaultPieDataset();            Iterator iter=vote.getVoteitems().iterator();            while(iter.hasNext())...{                Voteitems vi=(Voteitems)iter.next();                date.setValue(vi.getTitle(), vi.getVotenum());            }            if("PIE".equals(vote.getPictype()))...{                chart=ChartFactory.createPieChart(vote.getTitle(), date, false,false,false);            }else...{                chart=ChartFactory.createPieChart3D(vote.getTitle(), date, false,false,false);            }            }else...{            DefaultCategoryDataset date=new DefaultCategoryDataset();            Iterator it=vote.getVoteitems().iterator();            while(it.hasNext())...{                Voteitems vi=(Voteitems)it.next();                date.addValue(vi.getVotenum(), "选项", vi.getTitle());                            }            if("BAR".equals(vote.getPictype()))...{                chart=ChartFactory.createBarChart(vote.getTitle(), "选项", "数量", date, PlotOrientation.VERTICAL, false,false,false);            }            else...{                chart=ChartFactory.createBarChart3D(vote.getTitle(), "选项", "数量", date, PlotOrientation.VERTICAL, false,false,false);            }        }        return chart;            }    public void init() throws ServletException ...{        // Put your code here    }} VoteAction /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  java.util.Iterator; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        String id=request.getParameter("id");        IVoteDAO voteDao=DAOFactory.getVoteDAO();        Vote vote=voteDao.getVote(id);                String[] voteitem=request.getParameterValues(id);        if(voteitem!=null&voteitem.length>0)...{            for(int i=0;i<voteitem.length;i++)...{                Iterator iter=vote.getVoteitems().iterator();                while(iter.hasNext())...{                    Voteitems vi=(Voteitems)iter.next();                    if(voteitem[i].equals(vi.getId()))...{                        vi.increaseVotenum();                        break;                    }                }            }        }        request.setAttribute("vote", vote);        return mapping.findForward("success");    }}

 

 VoteDeleteAction

/**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteDeleteAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        String id=request.getParameter("id");                Vote vote=voteDao.getVote(id);        voteDao.deleteVote(vote);                             request.setAttribute("vote", vote);        return mapping.findForward("success");    }}

 

 

/**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteEditAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        String id=request.getParameter("id");                        Vote vote=voteDao.getVote(id);                             request.setAttribute("vote", vote);        return mapping.findForward("success");    }} /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteitemDeleteAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        String id=request.getParameter("id");        String voteid=voteDao.getVoteItem(id).getVote().getId();            Voteitems voteitem=voteDao.getVoteItem(id);        voteDao.deleteVoteItem(voteitem);                Vote vote=voteDao.getVote(voteid);        vote.getVoteitems().remove(voteitem);            request.setAttribute("vote", vote);        return mapping.findForward("success");    }} /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteitemEditAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        String id=request.getParameter("id");                Voteitems viforup = voteDao.getVoteItem( id );        request.setAttribute( "viforup", viforup );                        Vote vote = viforup.getVote();        request.setAttribute( "vote", vote );                                    request.setAttribute("vote", vote);        return mapping.findForward("success");    }} /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteitemListAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        String id=request.getParameter("id");                Vote vote=voteDao.getVote(id);                                    request.setAttribute("vote", vote);        return mapping.findForward("success");    }} /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model. * ; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteitemSaveAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();                String voteid=request.getParameter("voteid");        String id=request.getParameter("id");        String title=request.getParameter("title");        String votenum=request.getParameter("votenum");        Voteitems voteitem=new Voteitems();        Vote vote=voteDao.getVote(voteid);        if(id.equals("")||id==null)...{            voteitem.setTitle(title);            voteitem.setVotenum(Integer.valueOf(votenum));            voteitem.setVote(vote);            vote.getVoteitems().add(voteitem);            voteDao.saveVoteItem(voteitem);                }else...{            voteitem=voteDao.getVoteItem(id);            voteitem.setTitle(title);            voteitem.setVotenum(Integer.valueOf(votenum));            voteitem.setVote(vote);            vote.getVoteitems().add(voteitem);                        voteDao.updateVoteItem(voteitem);                    }                        request.setAttribute("vote", vote);                //request.setAttribute("viforup", voteitem);        return mapping.findForward("success");    }} /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  java.util.List; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-10-2007 *  * XDoclet definition: * @struts.action validate="true" */ public   class  VoteManageAction  extends  Action  ... {    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        List votes=voteDao.getAllVotes();        request.setAttribute("votes", votes);        return mapping.findForward("success");    }} /**/ /* * Generated by MyEclipse Struts * Template path: templates/java/JavaClass.vtl */ package  cn.hxex.vote.action; import  javax.servlet.http.HttpServletRequest; import  javax.servlet.http.HttpServletResponse; import  org.apache.struts.action.Action; import  org.apache.struts.action.ActionForm; import  org.apache.struts.action.ActionForward; import  org.apache.struts.action.ActionMapping; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.util.DAOFactory; /** */ /**  * MyEclipse Struts * Creation date: 02-11-2007 *  * XDoclet definition: * @struts.action validate="true" * @struts.action-forward name="success" path="123" */ public   class  VoteSaveAction  extends  Action  ... {    /**//*     * Generated Methods     */    /** *//**      * Method execute     * @param mapping     * @param form     * @param request     * @param response     * @return ActionForward     */    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response) ...{        IVoteDAO voteDao=DAOFactory.getVoteDAO();        String id=request.getParameter("id");        String name=request.getParameter("name");        String title=request.getParameter("title");        String votetype=request.getParameter("votetype");        String pictype=request.getParameter("pictype");                Vote vote=new Vote();                                        if(id.equals("")||id==null)...{            vote.setId(id);            vote.setName(name);            vote.setTitle(title);            vote.setVotetype(votetype);            vote.setPictype(pictype);            voteDao.saveVote(vote);        }        else        ...{             vote=voteDao.getVote(id);            vote.setName(name);            vote.setTitle(title);            vote.setVotetype(votetype);            vote.setPictype(pictype);                        voteDao.updateVote(vote);        }                                             request.setAttribute("vote", vote);        return mapping.findForward("success");    }} package  cn.hxex.vote.dao; import  java.util.List; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; public   interface  IVoteDAO  ... {   public void saveVote(Vote vote);   public void saveVoteItem(Voteitems voteitem);   public void updateVote(Vote vote);   public void updateVoteItem(Voteitems voteitem);   public void deleteVote(Vote vote);   public void deleteVoteItem(Voteitems voteitem);   public Vote getVote(String id);   public Vote getVoteByName(String name);   public List getAllVotes();   public Voteitems getVoteItem(String id);} package  cn.hxex.vote.dao; import  java.util.List; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; import  cn.hxex.vote.util.HibernateDAO; public   class  VoteDAO  extends  HibernateDAO  implements  IVoteDAO  ... {    public void deleteVote(Vote vote) ...{       super.deleteObject(vote);    }    public void deleteVoteItem(Voteitems voteitem) ...{        super.deleteObject(voteitem);    }    public List getAllVotes() ...{        String hql="from Vote";        return super.getObjects(hql);    }    public Vote getVote(String id) ...{        return (Vote)super.getObject(Vote.class, id);    }    public Vote getVoteByName(String name) ...{        String hql="from Vote where name='"+name+"'";        return (Vote)super.getObject(hql);    }    public Voteitems getVoteItem(String id) ...{        return (Voteitems)super.getObject(Voteitems.class, id);    }    public void saveVote(Vote vote) ...{        super.saveObject(vote);    }    public void saveVoteItem(Voteitems voteitem) ...{        super.saveObject(voteitem);    }    public void updateVote(Vote vote) ...{        super.updateObject(vote);    }    public void updateVoteItem(Voteitems voteitem) ...{        super.updateObject(voteitem);    }} <? xml version="1.0" ?> <! DOCTYPE hibernate-mapping PUBLIC     "-//Hibernate/Hibernate Mapping DTD 3.0//EN"    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" > < hibernate-mapping  package ="cn.hxex.vote.model" >    < class  name ="Vote"  table ="vote" >       < id  name ="id"  column ="id"  type ="string" >         < generator  class ="uuid.hex" ></ generator >       </ id >       < property  name ="name"  column ="name" >       </ property >       < property  name ="title"  column ="title" >       </ property >       < property  name ="votetype"  column ="votetype" >       </ property >       < property  name ="pictype"  column ="pictype" >       </ property >       < set  name ="voteitems"  cascade ="delete"  order-by ="title asc"  inverse ="true" >          < key  column ="vote_id" ></ key >          < one-to-many  class ="Voteitems" />       </ set >    </ class > </ hibernate-mapping > <? xml version="1.0" ?> <! DOCTYPE hibernate-mapping PUBLIC     "-//Hibernate/Hibernate Mapping DTD 3.0//EN"    "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" > < hibernate-mapping  package ="cn.hxex.vote.model" >    < class  name ="Voteitems"  table ="voteitem" >       < id  name ="id"  column ="id"  type ="string" >         < generator  class ="uuid.hex" ></ generator >       </ id >       < property  name ="title"  column ="title" >       </ property >       < property  name ="votenum"  column ="votenum" >       </ property >       < many-to-one  name ="vote"  column ="vote_id"   ></ many-to-one >    </ class > </ hibernate-mapping > package  cn.hxex.vote.model; import  java.util.Set; public   class  Vote  ... {   private String id;   private String name;   private String title;   private String votetype;   private String pictype;   private Set voteitems;public String getId() ...{    return id;}public void setId(String id) ...{    this.id = id;}public String getName() ...{    return name;}public void setName(String name) ...{    this.name = name;}public String getPictype() ...{    return pictype;}public void setPictype(String pictype) ...{    this.pictype = pictype;}public String getTitle() ...{    return title;}public void setTitle(String title) ...{    this.title = title;}public Set getVoteitems() ...{    return voteitems;}public void setVoteitems(Set voteitems) ...{    this.voteitems = voteitems;}public String getVotetype() ...{    return votetype;}public void setVotetype(String votetype) ...{    this.votetype = votetype;}} package  cn.hxex.vote.model; public   class  Voteitems  ... {   private String id;   private String title;   private Integer votenum;   private Vote vote;public String getId() ...{    return id;}public void setId(String id) ...{    this.id = id;}public String getTitle() ...{    return title;}public void setTitle(String title) ...{    this.title = title;}public Vote getVote() ...{    return vote;}public void setVote(Vote vote) ...{    this.vote = vote;}public Integer getVotenum() ...{    return votenum;}public void setVotenum(Integer votenum) ...{    this.votenum = votenum;}public void increaseVotenum()...{    int num=getVotenum().intValue()+1;    setVotenum(new Integer(num));}} CREATE   TABLE  `vote` (  `id`  varchar ( 50 )  NOT   NULL   default   '' ,  `name`  varchar ( 50 )  default   NULL ,  `title`  varchar ( 50 )  default   NULL ,  `votetype`  varchar ( 50 )  default   NULL ,  `pictype`  varchar ( 50 )  default   NULL ,   PRIMARY   KEY   (`id`)) ENGINE = InnoDB  DEFAULT  CHARSET = gb2312 ROW_FORMAT = REDUNDANT; CREATE   TABLE  `voteitem` (  `id`  varchar ( 50 )  NOT   NULL   default   '' ,  `title`  varchar ( 50 )  default   NULL ,  `votenum`  varchar ( 50 )  default   NULL ,  `vote_id`  varchar ( 50 )  NOT   NULL ,   PRIMARY   KEY   (`id`),   KEY  `fk_vote_no` (`vote_id`),) ENGINE = InnoDB  DEFAULT  CHARSET = gb2312 ROW_FORMAT = REDUNDANT;  package  cn.hxex.vote.util; import  cn.hxex.vote.dao.IVoteDAO; public   class  DAOFactory  ... {   public static IVoteDAO getVoteDAO()...{       return (IVoteDAO)getInstance("cn.hxex.vote.dao.VoteDAO");   }   static Object getInstance(String className)...{       try ...{          Class cls=Class.forName(className);          return cls.newInstance();    } catch (Exception e) ...{        e.printStackTrace();        return null;    }   }} package  cn.hxex.vote.util; import  java.util.List; import  org.hibernate.Session; public   class  HibernateDAO  ... {       public void saveObject(Object obj)...{       getSession().save(obj);   }   public void updateObject(Object obj)...{       getSession().update(obj);   }   public List getObjects(String hql)...{       List result=getSession().createQuery(hql).list();       return result;   }   public Object getObject(String hql)...{       Object result=getSession().createQuery(hql).uniqueResult();       return result;   }   public Object getObject(Class cls,String id)...{       return getSession().get(cls, id);   }   public void deleteObject(Object obj)...{       getSession().delete(obj);   }   protected Session getSession()...{       return HibernateUtil.getSessionFactory().getCurrentSession();   }}   package  cn.hxex.vote.util; import  java.io.IOException; import  javax.servlet.Filter; import  javax.servlet.FilterChain; import  javax.servlet.FilterConfig; import  javax.servlet.ServletException; import  javax.servlet.ServletRequest; import  javax.servlet.ServletResponse; import  javax.servlet.http.HttpServletRequest; import  org.apache.commons.logging.Log; import  org.apache.commons.logging.LogFactory; import  org.hibernate.SessionFactory; import  cn.hxex.vote.util.HibernateUtil; /** */ /** * 用于进行Hibernate事务处理的Servlet过滤器 * * @author galaxy */ public   class  HibernateFilter  implements  Filter  ... {    private static Log log = LogFactory.getLog(HibernateFilter.class);    /** *//**     * 过滤器的主要方法     * 用于实现Hibernate事务的开始和提交     */    public void doFilter(ServletRequest request,                         ServletResponse response,                         FilterChain chain)            throws IOException, ServletException     ...{        // 得到SessionFactory对象的实例        SessionFactory sf = HibernateUtil.getSessionFactory();        try         ...{            // 开始一个新的事务            log.debug("Starting a database transaction");            sf.getCurrentSession().beginTransaction();                        log.debug( "Request Path: " + ((HttpServletRequest)request).getServletPath() );                        // 设置用户请求的编码格式            request.setCharacterEncoding( "gb2312" );                        // Call the next filter (continue request processing)            chain.doFilter(request, response);            // 提交事务            log.debug("Committing the database transaction");            sf.getCurrentSession().getTransaction().commit();                    }         catch (Throwable ex)         ...{            ex.printStackTrace();            try             ...{                // 会滚事务                log.debug("Trying to rollback database transaction after exception");                sf.getCurrentSession().getTransaction().rollback();            }             catch (Throwable rbEx)             ...{                log.error("Could not rollback transaction after exception!", rbEx);            }            // 抛出异常            throw new ServletException(ex);        }    }    /** *//**     * Servlet过滤器的初始化方法     * 可以读取配置文件中设置的配置参数     */    public void init(FilterConfig filterConfig) throws ServletException ...{}    /** *//**     * Servlet的销毁方法     * 用于释放过滤器所申请的资源     */    public void destroy() ...{}} package  cn.hxex.vote.util; import  javax.naming.InitialContext; import  javax.naming.NamingException; import  org.apache.commons.logging.Log; import  org.apache.commons.logging.LogFactory; import  org.hibernate.Interceptor; import  org.hibernate.SessionFactory; import  org.hibernate.cfg.Configuration; import  org.hibernate.cfg.Environment; /** */ /** * 基础的Hibernate辅助类，用于Hibernate的配置和启动。 * <p> * 通过静态的初始化代码来读取Hibernate启动参数，并初始化 * <tt>Configuration</tt>和<tt>SessionFactory</tt>对象。 * <p> * * @author galaxy */ public   class  HibernateUtil  ... {    private static Log log = LogFactory.getLog(HibernateUtil.class);    // 指定定义拦截器属性名    private static final String INTERCEPTOR_CLASS = "hibernate.util.interceptor_class";    // 静态Configuration和SessionFactory对象的实例（全局唯一的）    private static Configuration configuration;    private static SessionFactory sessionFactory;    static     ...{        // 从缺省的配置文件创建SessionFactory        try         ...{            // 创建默认的Configuration对象的实例            // 如果你不使用JDK 5.0或者注释请使用new Configuration()            // 来创建Configuration()对象的实例            configuration = new Configuration();            // 读取hibernate.properties或者hibernate.cfg.xml文件            configuration.configure();            // 如果在配置文件中配置了拦截器，那么将其设置到configuration对象中            String interceptorName = configuration.getProperty(INTERCEPTOR_CLASS);            if (interceptorName != null)             ...{                Class interceptorClass =                        HibernateUtil.class.getClassLoader().loadClass(interceptorName);                Interceptor interceptor = (Interceptor)interceptorClass.newInstance();                configuration.setInterceptor(interceptor);            }            if (configuration.getProperty(Environment.SESSION_FACTORY_NAME) != null)             ...{                // 让Hibernate将SessionFacory绑定到JNDI                configuration.buildSessionFactory();            }             else             ...{                // 使用静态变量来保持SessioFactory对象的实例                sessionFactory = configuration.buildSessionFactory();            }        }         catch (Throwable ex)         ...{            // 输出异常信息            log.error("Building SessionFactory failed.", ex);            ex.printStackTrace();            throw new ExceptionInInitializerError(ex);        }    }    /** *//**     * 返回原始的Configuration对象的实例     *     * @return Configuration     */    public static Configuration getConfiguration()     ...{        return configuration;    }    /** *//**     * 返回全局的SessionFactory对象的实例     *     * @return SessionFactory     */    public static SessionFactory getSessionFactory()     ...{        SessionFactory sf = null;        String sfName = configuration.getProperty(Environment.SESSION_FACTORY_NAME);        if ( sfName != null)         ...{            log.debug("Looking up SessionFactory in JNDI.");            try             ...{                sf = (SessionFactory) new InitialContext().lookup(sfName);            }             catch (NamingException ex)             ...{                throw new RuntimeException(ex);            }        }         else         ...{            sf = sessionFactory;        }        if (sf == null)            throw new IllegalStateException( "SessionFactory not available." );        return sf;    }    /** *//**     * 关闭当前的SessionFactory并且释放所有的资源     */    public static void shutdown()     ...{        log.debug("Shutting down Hibernate.");        // Close caches and connection pools        getSessionFactory().close();        // Clear static variables        configuration = null;        sessionFactory = null;    }    /** *//**     * 使用静态的Configuration对象来重新构建SessionFactory。     */     public static void rebuildSessionFactory()      ...{        log.debug("Using current Configuration for rebuild.");        rebuildSessionFactory(configuration);     }    /** *//**     * 使用指定的Configuration对象来重新构建SessionFactory对象。     *     * @param cfg     */     public static void rebuildSessionFactory(Configuration cfg)      ...{        log.debug("Rebuilding the SessionFactory from given Configuration.");        synchronized(sessionFactory)         ...{            if (sessionFactory != null && !sessionFactory.isClosed())                sessionFactory.close();            if (cfg.getProperty(Environment.SESSION_FACTORY_NAME) != null)                cfg.buildSessionFactory();            else                sessionFactory = cfg.buildSessionFactory();            configuration = cfg;        }     }    /** *//**     * 在当前SessionFactory中注册一个拦截器     */    public static SessionFactory registerInterceptorAndRebuild(Interceptor interceptor)     ...{        log.debug("Setting new global Hibernate interceptor and restarting.");        configuration.setInterceptor(interceptor);        rebuildSessionFactory();        return getSessionFactory();    }    /** *//**     * 获得拦截器对象     *      * @return Interceptor     */    public static Interceptor getInterceptor()     ...{        return configuration.getInterceptor();    }    /** *//**     * 提交当前事务，并开始一个新的事务     */    public static void commitAndBeginTransaction()    ...{        sessionFactory.getCurrentSession().getTransaction().commit();        sessionFactory.getCurrentSession().beginTransaction();    }}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

package  cn.hxex.vote.util; import  java.util.HashMap; import  java.util.Iterator; public   class  SelectConst  ... {   public static final HashMap votetypes;   public static final HashMap pictypes;   static...{       votetypes=new HashMap();       votetypes.put("checkbox", "多选");       votetypes.put("radio", "单选");              pictypes=new HashMap();       pictypes.put("PIE", "饼图");       pictypes.put("BAR", "柱状图");       pictypes.put("PIE3D", "3D饼图");       pictypes.put("BAR3D", "3D柱状图");          }      public static String getVoteTypeOptions(String defaultValue)...{       return getOptions(votetypes,defaultValue);   }   public static String getVoteTypeTitle(String key)...{       return (String)votetypes.get(key);   }   public static String getPicTypeoptions(String defaultValue)...{       return getOptions(pictypes,defaultValue);   }   public static String getPicTypeTitle(String key)...{       return (String)pictypes.get(key);   }   public static String getOptions(HashMap options,String defaultValue)...{              StringBuffer sf=new StringBuffer();       Iterator keys=options.keySet().iterator();       while(keys.hasNext())...{           String key=(String)keys.next();           sf.append("<option value="");           sf.append(key);           if(key.endsWith(defaultValue))...{              sf.append("" selected>");               }else...{               sf.append("">");           }           sf.append(options.get(key));           sf.append("</option>");       }               return sf.toString();   }   }   package  cn.hxex.vote.util; import  java.util.Iterator; import  cn.hxex.vote.dao.IVoteDAO; import  cn.hxex.vote.model.Vote; import  cn.hxex.vote.model.Voteitems; public   class  VoteFunction  ... {    public static String votetype(String votetype)...{                return SelectConst.getVoteTypeTitle(votetype);    }    public static String votetypeoptions(String defaultValue)...{        return SelectConst.getVoteTypeOptions(defaultValue);    }    public static String pictype(String pictype)...{        return SelectConst.getPicTypeTitle(pictype);    }    public static String pictypeoptions(String defaultValue)...{        return SelectConst.getPicTypeoptions(defaultValue);    }    public static String display(String votename)...{        StringBuffer buf=new StringBuffer();        buf.append("<table>");        buf.append("<form method="post" action="/VoteManager/vote.do">");        IVoteDAO voteDao=DAOFactory.getVoteDAO();        Vote vote=voteDao.getVoteByName(votename);        if(vote!=null)...{            buf.append(line("<b>"+vote.getTitle()+"</b>"));            Iterator iter=vote.getVoteitems().iterator();            int i=0;            while(iter.hasNext())...{                Voteitems vi=(Voteitems)iter.next();                String control="<input type=""                               +vote.getVotetype()                               +"" name=""                               +vote.getId()+"" value=""                               +vi.getId()+"">";                buf.append(line(++i+"."+control+vi.getTitle()));                            }        }        buf.append("<tr><td align="center">");        buf.append("<input type="submit" value="投票">");        buf.append("  ");        buf.append("<input type="reset" value="重置">");        buf.append("<input type="hidden" name="id" value=""+vote.getId()+"">");        buf.append("</td></tr>");        buf.append("</form>");        buf.append("</table>");        return buf.toString();    }    public static String line(String line)...{        return "<tr><td>"+line+"</td></tr>";    }}

 

 

 

 

<? xml version='1.0' encoding='UTF-8' ?> <! DOCTYPE hibernate-configuration PUBLIC          "-//Hibernate/Hibernate Configuration DTD 3.0//EN"          "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd" > <!--  Generated by MyEclipse Hibernate Tools.                    --> < hibernate-configuration > < session-factory >      < property  name ="myeclipse.connection.profile" > mysql </ property >      < property  name ="connection.url" >         jdbc:mysql://localhost:3306/votemanager     </ property >      < property  name ="connection.username" > root </ property >      < property  name ="connection.password" > 1234 </ property >      < property  name ="connection.driver_class" >         com.mysql.jdbc.Driver     </ property >      < property  name ="dialect" >         org.hibernate.dialect.MySQLDialect     </ property >      < property  name ="current_session_context_class" > thread </ property >      < mapping  resource ="cn/hxex/vote/model/vote.hbm.xml"   />      < mapping  resource ="cn/hxex/vote/model/voteItem.hbm.xml"   /> </ session-factory > </ hibernate-configuration >

 

index.jsp

<% ... @page contentType="text/html;charset=gb2312"  %> <% ... @ taglib prefix="vote" uri="http://hxex.cn/vote"  %> < html > < head >      < title > 投票系统 </ title > </ head > < body >      < center >      < table >          < tr >              < td >                  < img  src ="img/index.gif"  width ="150" >              </ td >              < td >                  < h1 > 请您投票 </ h1 >                 ${vote:display('salary')}             </ td >          </ tr >      </ table >      </ center > </ body > </ html >

 

vote_add_update.jsp

<% ... @page contentType="text/html;charset=gb2312"  %> <% ... @ taglib prefix="vote" uri="http://hxex.cn/vote"  %> < html > < head > <% ...     String context=request.getContextPath();  %> < meta  http-equiv ="content-type"  content ="text/html;charset=gb2312" >      < title > 发布投票 </ title > < script  type ="text/javascript"  src ="js/common.js" ></ script > < script  type ="text/javascript" > ...   function checkValid(form)...{    var checks=[[form.name,"请输入投票标识"],[form.text,"请输入投票名称"]];    if(!isRequired(checks))...{    return false;    }    return true;     }  function gomanager()...{    window.location.href="<%=context%>/voteManage.do"  } </ script >      </ head > < center >      < h1 > 发布投票 </ h1 >      < p >      < table >          < form  method ="post"  name ="main"  action ="<%=context%>/voteSave.do"  onsubmit ="return checkValid(this);" >          < tr >              < td  width ="100" > 投票名称 </ td >              < td >< input  type ="text"  name ="name"  value ="${vote.name}" >  * </ td >          </ tr >          < tr >              < td > 投票标识 </ td >              < td >< input  type ="text"  name ="title"  value ="${vote.title}" > * </ td >          </ tr >          < tr >              < td > 投票类型 </ td >              < td >                  < select  name ="votetype" >                     ${vote:votetypeoptions(vote.votetype) }                 </ select >              </ td >          </ tr >          < tr >              < td > 图形类型 </ td >              < td >                  < select  name ="pictype" >                    ${vote:pictypeoptions(vote.pictype) }                  </ select >              </ td >          </ tr >          < tr >              < td  colspan ="2"  align ="center" >                  < input  type ="hidden"  name ="id"  value ="${vote.id }" >                  < input  type ="submit"  value ="保存" >                     < input  type ="reset"  value ="重填" >                     < input  type ="button"  value ="返回"  onclick ="gomanager();" >              </ td >          </ tr >          </ form >      </ table >      < p >      < img  src ="img/voteadd.gif"  width ="200" > </ center > </ html >

 

vote_list.jsp

<% ... @ taglib uri="/WEB-INF/c.tld" prefix="c"  %> <% ... @ taglib uri="http://hxex.cn/vote" prefix="vote"  %> <% ... @page contentType="text/html;charset=gb2312"  %> < html > < head > <% ...     String context=request.getContextPath();  %>      < title > 投票管理系统 </ title > </ head > < body > < center >      < h1 > 投票管理系统 </ h1 >      < table  border ="1" >          < tr >              < td  colspan ="5" >< font  color ="red" > ${msg} </ font ></ td >          </ tr >          < tr >              < td  align ="center" > 投票标识 </ td >              < td  align ="center" > 投票名称 </ td >              < td  align ="center" > 投票类型 </ td >              < td  align ="center" > 图形类型 </ td >              < td  align ="center" > 操作类型 </ td >          </ tr >                  < c:forEach  var ="vote"  items ="${votes}" >          < tr >              < td > ${vote.name} </ td >              < td > ${vote.title} </ td >              < td > ${vote:votetype(vote.votetype)} </ td >              < td > ${vote:pictype(vote.pictype)} </ td >              < td  align ="center" >                    < a  href ="<%=context %>/voteEdit.do?id=${vote.id}" > 修改投票 </ a >                  < a  href ="<%=context %>/voteDelete.do?id=${vote.id}" > 删除投票 </ a >                  < a  href ="<%=context %>/voteitemList.do?id=${vote.id}" > 修改选项 </ a >              </ td >          </ tr >          </ c:forEach >      </ table >      < p >      < a  href ="vote_add_update.jsp" > 发布投票 </ a >      < p >      < img  src ="img/manager.gif"  width ="300" > </ center > </ body >      </ html >

 

vote_result.jsp

<% ... @page contentType="text/html;charset=gb2312"  %> <% ... @ taglib prefix="vote" uri="http://hxex.cn/vote"  %> <% ... @ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"  %> < html > < head >      < title > 投票结果 </ title > </ head > < body >      < center >          < h1 > ${vote.title} </ h1 >          < h3 > 投票结果 </ h3 >           < img  src ="/VoteManager/chart?id=${vote.id}" >          < table  width ="300"  border ="1" >              < tr >                  < td  align ="center" > 选项 </ td >                  < td  align ="center" > 结果 </ td >              </ tr >              < c:forEach  var ="voteitem"  items ="${vote.voteitems}" >              < tr >                  < td > ${voteitem.title} </ td >                  < td > ${voteitem.votenum} </ td >              </ tr >              </ c:forEach >              < tr >                  < td  colspan ="2"  align ="center" >                      < a  href ="index.jsp" > 返回 </ a >                  </ td >              </ tr >          </ table >      </ center > </ body > </ html > voteitem_add_update.jsp <% ... @ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"  %> <% ... @ taglib prefix="vote" uri="http://hxex.cn/vote"  %> <% ... @page contentType="text/html;charset=gb2312"  %> <% ... @page isELIgnored="false" %> < html > < head > <% ...   String context=request.getContextPath();  %> < script  type ="text/javascript"  src ="js/common.js" ></ script > < script  type ="text/javascript" > ...   function checkValid(form)...{    var checks=[[form.title,"请输入投票选项"],[form.votenum,"请输入票数"]];    if(isRequired(checks))...{      return true;    }    return false;  }  function gomanager()...{    window.location.href="<%=context%>/voteManage.do"  } </ script >          < title > 维护投票条目 </ title > </ head > < body >      < center >          < h1 > 维护投票条目 </ h1 >          < table >              < tr >                  < td >< font  color ="red" > ${msg} </ font ></ td >                  < td  valign ="bottom"  rowspan ="13" >                      < img  src ="img/voteitem.gif"  width ="150" >                  </ td >              </ tr >              < tr >                  < td >   </ td >              </ tr >              < tr >                  < td  align ="center" > 投票信息 </ td >              </ tr >              < tr >                  < td > 投票标识:${vote.name } </ td >              </ tr >              < tr >                  < td > 投票名称:${vote.title } </ td >              </ tr >              < tr >                  < td > 投票类型:${vote:votetype(vote.votetype) } </ td >              </ tr >              < tr >                  < td > 图形类型:${vote:pictype(vote.pictype) }  </ td >              </ tr >              < tr >                  < td >   </ td >              </ tr >              < c:if  test ="${!empty vote.voteitems}" >              < tr >                  < td  align ="center" > 已经存在的投票选项 </ td >              </ tr >              < tr >                  < td >                      < table  width ="100%"  border ="1" >                                                  < tr >                              < td  align ="center" > 选项 </ td >                              < td  align ="center" > 票数 </ td >                              < td  align ="center" > 操作 </ td >                          </ tr >                          < c:forEach  var ="voteitem"  items ="${vote.voteitems}" >                          < tr >                              < td > ${voteitem.title} </ td >                              < td > ${voteitem.votenum} </ td >                              < td  align ="center" >                                  < a  href ="<%=context %>/voteitemEdit.do?id=${voteitem.id}" > 修改选项 </ a >                                     < a  href ="<%=context %>/voteitemDelete.do?id=${voteitem.id}&voteid=${vote.id}" > 删除选项 </ a >                              </ td >                          </ tr >                          </ c:forEach >                      </ table >                  </ td >              </ tr >              < tr >                  < td >   </ td >              </ tr >              </ c:if >              < tr >                  < td > 请输入投票选项的信息: </ td >              </ tr >              < tr >                  < td >                      < table  width ="100%" >                          < form  method ="post"  action ="<%=context %>/voteitemSave.do"  onsubmit ="return checkValid( this );" >                          < tr >                              < td > 选项: </ td >                              < td >< input  type ="text"  name ="title"  value ="${viforup.title}" >  * </ td >                          </ tr >                          < tr >                              < td > 票数: </ td >                              < td >< input  type ="text"  name ="votenum"  value ="${viforup.votenum}" ></ td >                          </ tr >                          < tr >                              < td  colspan ="2"  align ="center" >                                  < input  type ="hidden"  name ="voteid"  value ="${vote.id }" >                                  < input  type ="hidden"  name ="id"  value ="${viforup.id}" >                                  < input  type ="submit"  value ="提交" >                                     < input  type ="reset"  value ="重填" >                                     < input  type ="button"  value ="返回"  onclick ="gomanager();" >                              </ td >                          </ tr >                          </ form >                      </ table >                  </ td >              </ tr >          </ table >              </ center > </ body > </ html > common.js function  isRequired( checked ) ... {    for( var i=0; i<checked.length; i++ )    ...{        var input = checked[i][0];        if( input.value==null || input.value.length==0 )        ...{            alert( checked[i][1] );            input.focus();            return false;        }    }    return true;} struts-config.xml <? xml version="1.0" encoding="UTF-8" ?> <! DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN" "http://struts.apache.org/dtds/struts-config_1_2.dtd" > < struts-config >    < data-sources  />    < form-beans  />    < global-exceptions  />    < global-forwards  >       </ global-forwards >    < action-mappings  >      < action  path ="/voteManage"  type ="cn.hxex.vote.action.VoteManageAction" >         < forward  name ="success"  path ="/vote_list.jsp"   />      </ action >      < action  path ="/voteSave"  type ="cn.hxex.vote.action.VoteSaveAction" >        < forward  name ="success"  path ="/voteitem_add_update.jsp"   />      </ action >       < action  path ="/voteEdit"  type ="cn.hxex.vote.action.VoteEditAction" >        < forward  name ="success"  path ="/vote_add_update.jsp"   />      </ action >       < action  path ="/voteDelete"  type ="cn.hxex.vote.action.VoteDeleteAction" >        < forward  name ="success"  path ="/voteManage.do"   />      </ action >      < action  path ="/voteitemSave"  type ="cn.hxex.vote.action.VoteitemSaveAction" >        < forward  name ="success"  path ="/voteitem_add_update.jsp"   />      </ action >      < action  path ="/voteitemDelete"  type ="cn.hxex.vote.action.VoteitemDeleteAction" >        < forward  name ="success"  path ="/voteitem_add_update.jsp"   />      </ action >       < action  path ="/voteitemList"  type ="cn.hxex.vote.action.VoteitemListAction" >        < forward  name ="success"  path ="/voteitem_add_update.jsp"   />      </ action >      < action  path ="/voteitemEdit"  type ="cn.hxex.vote.action.VoteitemEditAction" >        < forward  name ="success"  path ="/voteitem_add_update.jsp"   />      </ action >      < action  path ="/vote"  type ="cn.hxex.vote.action.VoteAction" >        < forward  name ="success"  path ="/vote_result.jsp"   />      </ action >    </ action-mappings >    < message-resources  parameter ="ApplicationResources"   /> </ struts-config > web.xml <? xml version="1.0" encoding="UTF-8" ?> < web-app  xmlns ="http://java.sun.com/xml/ns/j2ee"  xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"  version ="2.4"  xsi:schemaLocation ="http://java.sun.com/xml/ns/j2ee   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" >    < filter >      < filter-name > HibernateFilter </ filter-name >      < filter-class > cn.hxex.vote.util.HibernateFilter </ filter-class >    </ filter >    < filter-mapping >      < filter-name > HibernateFilter </ filter-name >      < url-pattern > /* </ url-pattern >    </ filter-mapping >    < servlet >      < servlet-name > action </ servlet-name >      < servlet-class > org.apache.struts.action.ActionServlet </ servlet-class >      < init-param >        < param-name > config </ param-name >        < param-value > /WEB-INF/struts-config.xml </ param-value >      </ init-param >      < init-param >        < param-name > debug </ param-name >        < param-value > 3 </ param-value >      </ init-param >      < init-param >        < param-name > detail </ param-name >        < param-value > 3 </ param-value >      </ init-param >      < load-on-startup > 0 </ load-on-startup >    </ servlet >       < servlet-mapping >      < servlet-name > action </ servlet-name >      < url-pattern > *.do </ url-pattern >    </ servlet-mapping >      < servlet >          < servlet-name > Chart </ servlet-name >          < servlet-class > cn.hxex.vote.action.ChartServlet </ servlet-class >      </ servlet >          < servlet-mapping >          < servlet-name > Chart </ servlet-name >          < url-pattern > /chart </ url-pattern >      </ servlet-mapping >         < jsp-config >          < taglib >              < taglib-uri > http://hxex.cn/vote </ taglib-uri >              < taglib-location > /WEB-INF/vote.tld </ taglib-location >          </ taglib >      </ jsp-config > </ web-app > vote.tld <? xml version="1.0" encoding="UTF-8"  ?> < taglib  xmlns ="http://java.sun.com/xml/ns/j2ee"     xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"     xsi:schemaLocation ="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"     version ="2.0" >     < description > vote function library </ description >     < display-name > Vote </ display-name >     < tlib-version > 1.0 </ tlib-version >     < short-name > vote </ short-name >     < uri > http://hxex.cn/vote </ uri >        < function >       < name > votetype </ name >       < function-class > cn.hxex.vote.util.VoteFunction </ function-class >       < function-signature > java.lang.String votetype(java.lang.String) </ function-signature >     </ function >        < function >       < name > pictype </ name >       < function-class > cn.hxex.vote.util.VoteFunction </ function-class >       < function-signature > java.lang.String pictype(java.lang.String) </ function-signature >     </ function >         < function >       < name > votetypeoptions </ name >       < function-class > cn.hxex.vote.util.VoteFunction </ function-class >       < function-signature > java.lang.String votetypeoptions(java.lang.String) </ function-signature >     </ function >         < function >       < name > pictypeoptions </ name >       < function-class > cn.hxex.vote.util.VoteFunction </ function-class >       < function-signature > java.lang.String pictypeoptions(java.lang.String) </ function-signature >     </ function >         < function >       < name > display </ name >       < function-class > cn.hxex.vote.util.VoteFunction </ function-class >       < function-signature > java.lang.String display(java.lang.String) </ function-signature >     </ function >     </ taglib >