<%@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>请根据自己的项目、包名修改
时间： 2024-08-06 20:03:57