js 实现table 分页功能

来源：互联网发布：mysql事务回滚原理编辑：程序博客网时间：2024/04/30 20:09

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>

<body>
<table width="500" border="0" cellpadding="5" cellspacing="1" bgcolor="#999999" id="table1">
<tbody id="table2">
<tr>
<td bgcolor="#FFFFFF">1</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">2</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">3</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">4</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">5</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">6</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">7</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">8</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">9</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">10</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
<tr>
<td bgcolor="#FFFFFF">11</td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
<td bgcolor="#FFFFFF"> </td>
</tr>
</tbody>
</table>
<span id="spanFirst">第一页</span> <span id="spanPre">上一页</span> <span id="spanNext">下一页</span> <span id="spanLast">最后一页</span> 第<span id="spanPageNum"></span>页/共<span id="spanTotalPage"></span>页
</body>
</html>
<script>
var theTable = document.getElementById("table2");
var totalPage = document.getElementById("spanTotalPage");
var pageNum = document.getElementById("spanPageNum");

var spanPre = document.getElementById("spanPre");
var spanNext = document.getElementById("spanNext");
var spanFirst = document.getElementById("spanFirst");
var spanLast = document.getElementById("spanLast");

var numberRowsInTable = theTable.rows.length;
var pageSize = 3;
var page = 1;

//下一页
function next() {

hideTable();

currentRow = pageSize * page;
maxRow = currentRow + pageSize;
if (maxRow > numberRowsInTable) maxRow = numberRowsInTable;
for (var i = currentRow; i < maxRow; i++) {
theTable.rows[i].style.display = '';
}
page++;

if (maxRow == numberRowsInTable) { nextText(); lastText(); }
showPage();
preLink();
firstLink();
}

//上一页
function pre() {

hideTable();

page--;

currentRow = pageSize * page;
maxRow = currentRow - pageSize;
if (currentRow > numberRowsInTable) currentRow = numberRowsInTable;
for (var i = maxRow; i < currentRow; i++) {
theTable.rows[i].style.display = '';
}

if (maxRow == 0) { preText(); firstText(); }
showPage();
nextLink();
lastLink();
}

//第一页
function first() {
hideTable();
page = 1;
for (var i = 0; i < pageSize; i++) {
theTable.rows[i].style.display = '';
}
showPage();

preText();
nextLink();
lastLink();
}

//最后一页
function last() {
hideTable();
page = pageCount();
currentRow = pageSize * (page - 1);
for (var i = currentRow; i < numberRowsInTable; i++) {
theTable.rows[i].style.display = '';
}
showPage();

preLink();
nextText();
firstLink();
}

function hideTable() {
for (var i = 0; i < numberRowsInTable; i++) {
theTable.rows[i].style.display = 'none';
}
}

function showPage() {
pageNum.innerHTML = page;
}

//总共页数
function pageCount() {
var count = 0;
if (numberRowsInTable % pageSize != 0) count = 1;
return parseInt(numberRowsInTable / pageSize) + count;
}

//显示链接
function preLink() { spanPre.innerHTML = "<a href='javascript:pre();'>上一页</a>"; }
function preText() { spanPre.innerHTML = "上一页"; }

function nextLink() { spanNext.innerHTML = "<a href='javascript:next();'>下一页</a>"; }
function nextText() { spanNext.innerHTML = "下一页"; }

function firstLink() { spanFirst.innerHTML = "<a href='javascript:first();'>第一页</a>"; }
function firstText() { spanFirst.innerHTML = "第一页"; }

function lastLink() { spanLast.innerHTML = "<a href='javascript:last();'>最后一页</a>"; }
function lastText() { spanLast.innerHTML = "最后一页"; }

//隐藏表格
function hide() {
for (var i = pageSize; i < numberRowsInTable; i++) {
theTable.rows[i].style.display = 'none';
}

totalPage.innerHTML = pageCount();
pageNum.innerHTML = '1';

nextLink();
lastLink();
}

hide();
</script>