<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<meta keywords="JavaScript" />
<meta content="1" />
<title>1</title>
<script language="javascript" type="text/javascript" src="js/jquery-3.3.1.js"></script>
<style type="text/css">
table, table td, table th {
border: none;
vertical-align: top;
border-collapse: collapse;
word-break: break-all;
}
.MainTable {
width: 500px;
line-height: 45px;
margin: auto;
text-align: left;
}
.MainTable tr {
border-bottom:1px solid #E1E1E1;
}
.MainTable td {
padding: 0 10px 0 0;
}
/*正序排列样式*/
.sort_asc {
background:url(images/sorticon.png) 55px 18px no-repeat;
cursor:pointer;
}
/*倒序排列样式*/
.sort_desc {
background:url(images/sorticon.png) 55px -18px no-repeat;
cursor:pointer;
}
.list_sort {
width: 60px;
text-align: center;
}
</style>
</head>
<body>
<div class="divframe">
<table class="MainTable">
<thead>
<tr>
<th class="sort_asc list_sort" id="sortID">序号</th>
<th>内容</th>
</tr>
</thead>
<tbody id="pageContent">
<tr>
<td class="list_sort">1</td>
<td>1</td>
</tr>
<tr>
<td class="list_sort">2</td>
<td>2</td>
</tr>
<tr>
<td class="list_sort">3</td>
<td>3</td>
</tr>
<tr>
<td class="list_sort">4</td>
<td>4</td>
</tr>
<tr>
<td class="list_sort">5</td>
<td>5</td>
</tr>
<tr>
<td class="list_sort">6</td>
<td>6</td>
</tr>
<tr>
<td class="list_sort">7</td>
<td>7</td>
</tr>
</tbody>
</table>
</div>
</body>
<script type="text/javascript">
$('#sortID').click(function (){
})
</script>
</html>
给你优化了下，不用写死代码，动态排序，直接贴到html文件中，在浏览器中查看效果
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<meta keywords="JavaScript" />
<meta content="1" />
<title>1</title>
<script language="javascript" type="text/javascript" src="http://libs.baidu.com/jquery/1.2.3/jquery.min.js"></script>
<style type="text/css">
table, table td, table th {
border: none;
vertical-align: top;
border-collapse: collapse;
word-break: break-all;
}
.MainTable {
width: 500px;
line-height: 45px;
margin: auto;
text-align: left;
}
.MainTable tr {
border-bottom:1px solid #E1E1E1;
}
.MainTable td {
padding: 0 10px 0 0;
}
/*正序排列样式*/
.sort_asc {
background:url(images/sorticon.png) 55px 18px no-repeat;
cursor:pointer;
}
/*倒序排列样式*/
.sort_desc {
background:url(images/sorticon.png) 55px -18px no-repeat;
cursor:pointer;
}
.list_sort {
width: 60px;
text-align: center;
}
</style>
<script type="text/javascript">
var ord=0;
$(function(){
changeOrder();
$('#sortID').click(function (){
ord++;
changeOrder();
})
})
function changeOrder(){
var html='';
//正序排列
if(ord%2==0){
//表头样式更新
$("#sortID").removeClass("sort_desc");
$("#sortID").addClass("sort_asc");
for(var i=0;i<7;i++){
var value=i+1;
html+=('<tr><td class="list_sort">'+value+'</td><td>'+value+'</td)</tr>');
}
}
else{
//倒序排列
$("#sortID").removeClass("sort_asc");
$("#sortID").addClass("sort_desc");
var num=0;
for(var i=7;i>0;i--){
num++;
var value=i;
html+=('<tr><td class="list_sort">'+num+'</td><td>'+value+'</td)</tr>');
}
}
$("#pageContent").html(html);
}
</script>
</head>
<body>
<div class="divframe">
<table class="MainTable">
<thead>
<tr>
<th class="list_sort" id="sortID">序号</th>
<th class="list_sort">内容</th>
</tr>
</thead>
<tbody id="pageContent">
</tbody>
</table>
</div>
</body>
</html>
用js创建表格数据会更好控制;
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="jquery-3.3.1.min.js" type="text/javascript" charset="utf-8"></script>
<style type="text/css">
table,
table td,
table th {
border: none;
vertical-align: top;
border-collapse: collapse;
word-break: break-all;
}
.MainTable {
width: 500px;
line-height: 45px;
margin: auto;
text-align: left;
}
.MainTable tr {
border-bottom: 1px solid #E1E1E1;
}
.MainTable td {
padding: 0 10px 0 0;
}
/*正序排列样式*/
.sort_asc {
background: url(images/sorticon.png) 55px 18px no-repeat;
cursor: pointer;
}
/*倒序排列样式*/
.sort_desc {
background: url(images/sorticon.png) 55px -18px no-repeat;
cursor: pointer;
}
.list_sort {
width: 60px;
text-align: center;
}
</style>
</head>
<body>
<div class="divframe">
<table class="MainTable">
<thead>
<tr>
<th class="sort_asc list_sort" id="sortID">序号</th>
<th>内容</th>
</tr>
</thead>
<tbody id="pageContent"></tbody>
</table>
</div>
</body>
<script type="text/javascript">
var num = [1, 2, 3, 4, 5, 6, 7, 8];
function setHtml() {
var html = ""
for (var i = 0; i < num.length; i++) {
html += '<tr><td class="list_sort">' + (i + 1) + '</td><td>' + num[i] + '</td></tr>';
}
$("#pageContent").html(html);
}
setHtml();
$('#sortID').click(function() {
num.reverse();
console.log(num);
setHtml();
})
</script>
</html>