jsp簡單分頁代碼

來源:互聯網
上載者:User

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ page import="datedao.UserBase"
%>
<%@ page import="datedao.DateDao"
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

 <script type="text/javascript" language="JavaScript">
<!--
     function Jumping(){
      
       form1.action="/fenye/display.jsp";
       form1.submit();
       return;
     }
//-->
</script>
<html>
  <head>
  
   
    <title>My JSP 'display.jsp' starting page</title>
   
    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
   
    <!--
    <link rel="stylesheet" type="text/css" href="styles.css">
    -->
  
  </head>
 
  <body>
    <FORM align=center name="form1">
      <TABLE border=1><TR><td >name</td><td>password</td></TR>
       <%
     int topage=1; //
  int nowpage; //
  int rowInPage=3; //
  int allrow; //
  int pages;//
       
  topage=Integer.parseInt( request.getParameter("topage"));
  if(topage<1)
  topage=1;
  
  
   DateDao uu=new DateDao();
      ArrayList as=new ArrayList();
      as=uu.getDate();
     
      allrow=as.size();
         pages=(allrow%3==0?(pages=allrow/3):(pages=(allrow/3+1)));
         for(int i=0;i<3;i++){
         if(((topage-1)*3+i)<allrow){
      UserBase ub=(UserBase)as.get((topage-1)*3+i);
         
     
   
   
    %>
     <TR><td ><TR><td ><%=ub.getUserName()%></td><td><%=ub.getUserPassWord()%></td></TR>
    <%}
    else break;
     }
     %>
     <TR><td ><a href="/fenye/display.jsp?topage=<%=topage-1%>">pre </td><td><a href="/fenye/display.jsp?topage=<%=topage+1%>">next </td></TR>
     
      </TABLE>
       turn to<SELECT name="topage" onchange="Jumping()">
       <%
         for(int i=1;i<=pages;i++){
          if(i==topage){
       %>
       <OPTION selected value=<%=i%>><%=i%></OPTION>
       <%}else{%>
        <OPTION value=<%=i%>><%=i%></OPTION>
       <%}}%>
       </SELECT>
    </FORM>
  </body>
</html>

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