jsp页面数据分页模仿百度分页效果(实例讲解)

程序员文章站 2023-11-17 21:09:46

废话不多说，直接上代码请根据自己的项目、包名修改 <%@page import="web09.shop.dbutil"%> <%@page...

废话不多说，直接上代码

请根据自己的项目、包名修改

<%@page import="web09.shop.dbutil"%>
<%@page import="java.sql.resultset"%>
<%@page import="java.sql.preparedstatement"%>
<%@page import="java.sql.connection"%>
<%@ page language="java" pageencoding="utf-8"%>
<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title>数据分页</title>
  <style type="text/css">
    .page a{
      min-width: 34px;
      height: 34px;
      border: 1px solid #e1e2e3;
      cursor: pointer;
      display:block;
      float: left;
      text-decoration: none;
      text-align:center;
      line-height: 34px;      
    }
    
    .page a:hover {
      background: #f2f8ff;
      border: 1px solid #38f ;
    }
    .page a.prev{
      width:50px;
    }
    .page span{
      width: 34px;
      height: 34px;
      border: 1px solid transparent;
      cursor: pointer;
      display:block;
      float: left;
      text-decoration: none;
      text-align:center;
      line-height: 34px;
      cursor: default;
    }
  </style>
</head>

<body>
<table class="tt" border="1" align="center" width="80%" cellpadding="10">
  <tr>
    <th>id</th>
    <th>姓名</th>
    <th>年龄</th>
    <th>专业</th>
  </tr>
  <%
  dbutil dbutil=new dbutil();
  connection conn=dbutil.getcon();
  //connection conn = new dbutil().getcon();
  preparedstatement pstmt1 = conn.preparestatement("select count(*) from student");
  resultset rs1 = pstmt1.executequery();
  rs1.next();
  int recordcount = rs1.getint(1);   //记录总数
  int pagesize = 10;          //每页记录数
  int start=1;            //显示开始页
  int end=10;              //显示结束页
  int pagecount = recordcount%pagesize==0 ? recordcount/pagesize : recordcount/pagesize+1; 
  int currpage = request.getparameter("p")==null ? 1 : integer.parseint(request.getparameter("p"));
  
  currpage = currpage<1 ? 1 : currpage;
  currpage = currpage>pagecount ? pagecount : currpage;
  
  preparedstatement pst = conn.preparestatement("select * from student limit ?,?");
  pst.setint(1,currpage*pagesize-pagesize);
  pst.setint(2,pagesize);
  resultset rs = pst.executequery();
  
  while(rs.next()){
  %>
  <tr align="center">
  <td><%=rs.getint(1) %></td>
  <td><%=rs.getstring(2) %></td>
  <td><%=rs.getint("age") %></td>
  <td><%=rs.getstring(4) %></td>
  </tr>
  <%
  }
  %>
  <tr>
     <th colspan="4" class="page">
       <% 
         out.print(string.format("<a class=\"prev\" href=\"?p=%d\">首页</a>",1));
         if(currpage>=7){
           start=currpage-5;
           end=currpage+4;
         }
         if(start>(pagecount-10)){
           start=pagecount-9;
         }
         if(currpage>1){
           out.print(string.format("<a class=\"prev\" href=\"?p=%d\">上一页</a>",currpage-1));
         }
         
         for(int i=start;i<=end;i++){
           if(i>pagecount) break;
           string pageinfo=string.format("<a href=\"?p=%d\">%d</a>",i,i);
           if(i==currpage){
             pageinfo=string.format("<span>%d</span>",i);
           }
           out.print(pageinfo);
         }
         
         if(currpage<=pagecount){
           out.print(string.format("<a class=\"prev\" href=\"?p=%d\">下一页</a>",currpage+1));
         }
         
         out.print(string.format("<a class=\"prev\" href=\"?p=%d\">尾页</a>",pagecount)); 
       %>
     </th>
   </tr>
</table>
</body>
</html>

以上这篇jsp页面数据分页模仿百度分页效果(实例讲解)就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。

上一篇：把RS.GetRows看得更清楚

下一篇： python随机生成指定长度密码的方法