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Example analysis of jQuery implementation of Table header sorting with grouped data_jquery
Example analysis of jQuery implementation of Table header sorting with grouped data_jquery
The example in this article describes how jQuery implements Table header sorting with grouped data. Share it with everyone for your reference, the details are as follows:
As shown below:
Requirement: When clicking on the table header to sort, the data hierarchical relationship between "Group" and "Group Details" remains unchanged
I found a regular table sorting from the Internet, modified it to meet the "group support", and posted it here for backup
<!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" />
<style type="text/css">
.tbl-list, .tbl-list td, .tbl-list th {
border: solid 1px #000;
border-collapse: collapse;
padding: 10px;
margin: 15px;
}
</style>
<script type="text/javascript" src="jquery.min.js"></script>
<title>table sort</title>
<script type="text/javascript">
//排序 tableId: 表的id,iCol:第几列 ；dataType：iCol对应的列显示数据的数据类型
function sortAble(th, tableId, iCol, dataType) {
var ascChar = "▲";
var descChar = "▼";
var table = document.getElementById(tableId);
//排序标题加背景色
for (var t = 0; t < table.tHead.rows[0].cells.length; t++) {
var th = $(table.tHead.rows[0].cells[t]);
var thText = th.html().replace(ascChar, "").replace(descChar, "");
if (t == iCol) {
th.css("background-color", "#ccc");
}
else {
th.css("background-color", "#fff");
th.html(thText);
}
}
var tbody = table.tBodies[0];
var colRows = tbody.rows;
var aTrs = new Array;
//将得到的行放入数组，备用
for (var i = 0; i < colRows.length; i++) {
//注：如果要求“分组明细不参与排序”，把下面的注释去掉即可
//if ($(colRows[i]).attr("group") != undefined) {
aTrs.push(colRows[i]);
//}
}
//判断上一次排列的列和现在需要排列的是否同一个。
var thCol = $(table.tHead.rows[0].cells[iCol]);
if (table.sortCol == iCol) {
aTrs.reverse();
} else {
//如果不是同一列，使用数组的sort方法，传进排序函数
aTrs.sort(compareEle(iCol, dataType));
}
var oFragment = document.createDocumentFragment();
for (var i = 0; i < aTrs.length; i++) {
oFragment.appendChild(aTrs[i]);
}
tbody.appendChild(oFragment);
//记录最后一次排序的列索引
table.sortCol = iCol;
//给排序标题加“升序、降序” 小图标显示
var th = $(table.tHead.rows[0].cells[iCol]);
if (th.html().indexOf(ascChar) == -1 && th.html().indexOf(descChar) == -1) {
th.html(th.html() + ascChar);
}
else if (th.html().indexOf(ascChar) != -1) {
th.html(th.html().replace(ascChar, descChar));
}
else if (th.html().indexOf(descChar) != -1) {
th.html(th.html().replace(descChar, ascChar));
}
//重新整理分组
var subRows = $("#" + tableId + " tr[parent]");
for (var t = subRows.length - 1; t >= 0 ; t--) {
var parent = $("#" + tableId + " tr[group='" + $(subRows[t]).attr("parent") + "']");
parent.after($(subRows[t]));
}
}
//将列的类型转化成相应的可以排列的数据类型
function convert(sValue, dataType) {
switch (dataType) {
case "int":
return parseInt(sValue, 10);
case "float":
return parseFloat(sValue);
case "date":
return new Date(Date.parse(sValue));
case "string":
default:
return sValue.toString();
}
}
//排序函数，iCol表示列索引，dataType表示该列的数据类型
function compareEle(iCol, dataType) {
return function (oTR1, oTR2) {
var vValue1 = convert(removeHtmlTag($(oTR1.cells[iCol]).html()), dataType);
var vValue2 = convert(removeHtmlTag($(oTR2.cells[iCol]).html()), dataType);
if (vValue1 < vValue2) {
return -1;
}
else {
return 1;
}
};
}
//去掉html标签
function removeHtmlTag(html) {
return html.replace(/<[^>]+>/g, "");
}
//jQuery加载完以后，分组行高亮背景，分组明细隐藏
$(document).ready(function () {
$("tr[group]").css("background-color", "#ff9");
$("tr[parent]").hide();
});
//点击分组行时，切换分组明细的显示/隐藏
function showSub(a) {
var groupValue = $(a).parent().parent().attr("group");
var subDetails = $("tr[parent='" + groupValue + "']");
subDetails.toggle();
}
</script>
</head>
<body>
<table id="tableId" class="tbl-list" cellpadding="0" cellspacing="0">
<thead>
<tr>
<th>序号</th>
<th onclick="sortAble(this,'tableId', 1,'string')"
style="cursor:pointer">姓名</th>
<th onclick="sortAble(this,'tableId', 2, 'date')"
style="cursor:pointer">生日</th>
<th onclick="sortAble(this,'tableId', 3, 'int')"
style="cursor:pointer">年龄</th>
<th onclick="sortAble(this,'tableId', 4, 'float')"
style="cursor:pointer">工资</th>
</tr>
</thead>
<tbody>
<tr group="A">
<td>1</td>
<td><a href="#" onclick="showSub(this)">Group-A</a></td>
<td>01/12/1982</td>
<td>25</td>
<td>1000.50</td>
</tr>
<tr parent="A">
<td>2</td>
<td>A-01</td>
<td>01/09/1982</td>
<td>25</td>
<td>2000.10</td>
</tr>
<tr parent="A">
<td>3</td>
<td>A-02</td>
<td>01/10/1982</td>
<td>26</td>
<td>2000.20</td>
</tr>
<tr group="B">
<td>4</td>
<td><a href="#" onclick="showSub(this)">Group-B</a></td>
<td>10/14/1999</td>
<td>18</td>
<td>1000.20</td>
</tr>
<tr parent="B">
<td>5</td>
<td>B-01</td>
<td>02/12/1982</td>
<td>19</td>
<td>3000.20</td>
</tr>
<tr parent="B">
<td>6</td>
<td>B-02</td>
<td>03/12/1982</td>
<td>20</td>
<td>3000.30</td>
</tr>
<tr group="C">
<td>7</td>
<td><a href="#" onclick="showSub(this)">Group-C</a></td>
<td>10/14/1980</td>
<td>8</td>
<td>1000.30</td>
</tr>
<tr parent="C">
<td>8</td>
<td>C-01</td>
<td>03/12/1981</td>
<td>17</td>
<td>3100.30</td>
</tr>
</tbody>
</table>
</body>
</html>I hope this article will be helpful to everyone in jQuery programming.
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