用jQuery组列表项 [英] Group list items with jQuery
本文介绍了用jQuery组列表项的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个这样的列表:
<ul>
<li><span class="date">2011 05 01</span><p>Text...</p></li>
<li><span class="date">2011 05 01</span><p>Text...</p></li>
<li><span class="date">2011 04 01</span><p>Text...</p></li>
<li><span class="date">2011 04 01</span><p>Text...</p></li>
<li><span class="date">2010 03 01</span><p>Text...</p></li>
<li><span class="date">2010 02 01</span><p>Text...</p></li>
</ul>
我需要jQuery按年份和月份对项目进行分组,如下所示:
I need jQuery to group the items by both year AND month, like this:
<ul>
<li class="year">2011
<ul>
<li class="month>May
<ul>
<li class="item"><span class="date">2011 05 01</span><p>Text...</p></li>
<li class="item"><span class="date">2011 05 01</span><p>Text...</p></li>
</ul>
</li>
<li class="month>April
<ul>
<li class="item"><span class="date">2011 04 01</span><p>Text...</p></li>
<li class="item"><span class="date">2011 04 01</span><p>Text...</p></li>
</ul>
</li>
</ul>
</li>
<li class="year">2010
<ul>
<li class="month>March
<ul>
<li class="item"><span class="date">2011 03 01</span><p>Text...</p></li>
</ul>
</li>
<li class="month>February
<ul>
<li class="item"><span class="date">2011 02 01</span><p>Text...</p></li>
</ul>
</li>
</ul>
</li>
</ul>
谢谢.
推荐答案
我已经写了注释评论 此处( jsFiddle )和 此处( jsBin ).
I've written a commented solution here (jsFiddle) and here (jsBin).
(两个链接具有相同的内容,但是jsFiddle有时很慢,因此您可能想改用jsBin)
希望您会喜欢它!
<ul id="mainList">
<li><span class="date">2011 05 01</span><p>Text...</p></li>
<li><span class="date">2011 12 01</span><p>Text...</p></li>
<li><span class="date">2011 05 01</span><p>Text...</p></li>
<li><span class="date">2011 04 01</span><p>Text...</p></li>
<li><span class="date">2011 04 01</span><p>Text...</p></li>
<li><span class="date">2010 03 01</span><p>Text...</p></li>
<li><span class="date">2010 02 01</span><p>Text...</p></li>
</ul>
JAVASCRIPT
// Month number to string
var months = ['January','February','March','April','May','June','July','August','September','October','November','December'];
// Sorting the <li> by year
$("#mainList li").sort(function(a,b) {
var yearA = $(a).children("span").text().split(" ")[0],
yearB = $(b).children("span").text().split(" ")[0];
return yearA < yearB;
}).appendTo($("#mainList"));
// Grouping the <li> by year
$("#mainList li").each(function() {
var year = $(this).children("span").text().split(" ")[0];
// If the grouping <li> doesn't exist, create it
if ($("#mainList li.year." + year).length === 0) {
$("#mainList").append($('<li class="year ' + year + '">' + year + '<ul></ul></li>'));
}
// Add the current <li> to the corresponding grouping <li>
$(this).appendTo($("#mainList li.year." + year + " ul"));
});
// Sorting the <li> by month inside each grouping <li>
$("#mainList li.year ul").each(function() {
$(this).children("li").sort(function(a,b) {
var monthA = $(a).children("span").text().split(" ")[1],
monthB = $(b).children("span").text().split(" ")[1];
return monthA < monthB;
}).appendTo($(this));
});
// Grouping the <li> by month inside each grouping <li>
$("#mainList li.year ul").each(function() {
$this = $(this);
$this.children("li").each(function() {
var month = $(this).children("span").text().split(" ")[1];
// If the grouping <li> doesn't exist, create it
if ($this.find("li.month." + month).length === 0) {
$this.append($('<li class="month ' + month + '">' + months[month-1] + '<ul></ul></li>'));
}
// Add the current <li> to the corresponding grouping <li>
$(this).appendTo($this.find("li.month." + month + " ul")).addClass("item");
});
});
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