js 分页

来源：互联网发布：淘宝什么衣服好看编辑：程序博客网时间：2024/05/16 10:11

js代码

/**

* 分页函数

* pno--页数

* psize--每页显示记录数

* 分页部分是从真实数据行开始，因而存在加减某个常数，以确定真正的记录数

* 纯js分页实质是数据行全部加载，通过是否显示属性完成分页功能

**/

function goPage(pno,psize){

var itable = document.getElementById("idData");

var num = itable.rows.length;//表格行数

var totalPage = 0;//总页数

var pageSize = psize;//每页显示行数

if((num-1)/pageSize > parseInt((num-1)/pageSize)){

   totalPage=parseInt((num-1)/pageSize)+1;

   }else{

   totalPage=parseInt((num-1)/pageSize);

   }

var currentPage = pno;//当前页数

var startRow = (currentPage - 1) * pageSize+1;//开始显示的行

   var endRow = currentPage * pageSize+1;//结束显示的行

   endRow = (endRow > num)? num : endRow;

//前三行始终显示

for(i=0;i<1;i++){

var irow = itable.rows[i];

irow.style.display = "block";

}

for(var i=1;i<num;i++){

var irow = itable.rows[i];

if(i>=startRow&&i<endRow){

irow.style.display = "block";

}else{

irow.style.display = "none";

}

}

var pageEnd = document.getElementById("pageEnd");

var tempStr = "共"+(num-1)+"条记录分"+totalPage+"页当前第"+currentPage+"页";

if(currentPage>1){

tempStr += "<a href=\"#\" onClick=\"goPage("+(currentPage-1)+","+psize+")\">上一页</a>"

}else{

tempStr += "上一页";

}

if(currentPage<totalPage){

tempStr += "<a href=\"#\" onClick=\"goPage("+(currentPage+1)+","+psize+")\">下一页</a>";

}else{

tempStr += "下一页";

}

if(currentPage>1){

tempStr += "<a href=\"#\" onClick=\"goPage("+(1)+","+psize+")\">首页</a>";

}else{

tempStr += "首页";

}

if(currentPage<totalPage){

tempStr += "<a href=\"#\" onClick=\"goPage("+(totalPage)+","+psize+")\">尾页</a>";

}else{

tempStr += "尾页";

}

document.getElementById("barcon").innerHTML = tempStr;

}

html代码

<%@ page language="java" contentType="text/html; charset=GB2312"
pageEncoding="GB2312"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GB2312" />
<title>分页</title>

<head>

<script type="text/javascript" src="js/page.js"></script>

</head>

<body onLoad="goPage(1,10);">

<table id="idData" width="70%">

<tr>

<td>姓名</td>

<td>年龄</td>

<td>性别</td>

<td>户籍</td>

</tr>

<tr>

<td>刘金钟</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong1</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong2</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong3</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong4</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong5</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong6</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong7</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

<tr>

<td>liujinzhong</td>

<td>25</td>

<td>男</td>

<td>山西吕梁</td>

</tr>

</table>

<table width="60%" align="right">

<tr>

<td>

<div id="barcon" name="barcon"></div>

</td>

</td>

</table>

</body>

</html>