关于表格排序问题

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JS实现点击表头表格自动排序(含数字、字符串、日期)</title>
<style>
#tableSort{moz-user-select: -moz-none;-moz-user-select: none;-o-user-select:none;-khtml-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;border-collapse: collapse; border-spacing: 0; margin: 0; padding: 0; 100%;text-align: center;margin:15px 0;}
#tableSort th{cursor: pointer; background: #eee}
#tableSort tr:nth-child(even){background: #f9f9f9}
#tableSort th,#tableSort td{padding: 10px; border:1px solid #ccc;}
</style>
</head>
<body>
<span></span>
<table id="tableSort">
<thead>
<tr>
<th data-type="num">工号</th>
<th data-type="string">姓名</th>
<th data-type="string">性别</th>
<th data-type="date">时间</th>
</tr>
</thead>
<tbody>
<tr>
<td>07</td>
<td>aaaa</td>
<td>男</td>
<td>2012-12-12</td>
</tr>
<tr>
<td>03</td>
<td>mmmm</td>
<td>女</td>
<td>2013-12-16</td>
</tr>
<tr>
<td>01</td>
<td>cccc</td>
<td>男</td>
<td>2014-12-12</td>
</tr>
<tr>
<td>04</td>
<td>ffff</td>
<td>女</td>
<td>2015-12-12</td>
</tr>
<tr>
<td>02</td>
<td>bbbb</td>
<td>男</td>
<td>2016-12-18</td>
</tr>
<tr>
<td>06</td>
<td>ssss</td>
<td>女</td>
<td>2008-10-07</td>
</tr>
<tr>
<td>05</td>
<td>tttt</td>
<td>男</td>
<td>2012-07-22</td>
</tr>
</tbody>
</table>
<script>
;(function(){
var tbody = document.querySelector('#tableSort').tBodies[0];
var th = document.querySelector('#tableSort').tHead.rows[0].cells;
var td = tbody.rows;
for(var i = 0;i < th.length;i++){
th[i].flag = 1;
th[i].onclick = function(){
sort(this.getAttribute('data-type'),this.flag,this.cellIndex);
this.flag = -this.flag;
};
};
function sort(str,flag,n){
var arr = [];
for(var i = 0;i < td.length;i++){
arr.push(td[i]);
};
arr.sort(function(a,b){
console.log(typeof a.cells[n].innerHTML)
return method(str,a.cells[n].innerHTML,b.cells[n].innerHTML) * flag;
});
for(var i = 0;i < arr.length;i++){
tbody.appendChild(arr[i]);
};
};
function method(str,a,b){
switch(str){
case 'num':
return a-b;
break;
case 'string':
return a.localeCompare(b);
break;
default:
return new Date(a.split('-').join('/')).getTime()-new Date(b.split('-').join('/')).getTime();
};
};
})();
</script>
</body>
</html>

在这里主要有一个方法自己之前没有见过localeCompare,它是返回一个数字来指示一个参考字符串是否在排序顺序前面或之后或与给定字符串相同,详情可看https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/String/localeCompare介绍

原文地址:https://www.cnblogs.com/shenwh/p/9214605.html