我想对jquery中的 <ul>
和 <li>
数据进行排序。
这是我的示例代码
<ul id="rootUl">
<li>
<div id='title'>MSFT</div>
<div id='price'>230</div>
<div id='net_change'>0.2 - 0.4%</div>
<div id='Volume'>3000</div>
<li>
<li>
<div id='title'>FB</div>
<div id='price'>200</div>
<div id='net_change'>0.3 - 0.6%</div>
<div id='Volume'>2800</div>
<li>
</ul>
我尝试过这样的尝试:
$( "#title" ).click(function() {
var items = $('#rootul > li').get();
console.log( items );
var nestedItems = $('#rootul > li > ul > li').get();
items = sort(items);
adjustItems('#rootul', items);
nestedItems = sort(nestedItems);
adjustItems('#rootul > li > ul', nestedItems);
});
function sort(items) {
items.sort(function(a,b){
var keyA = $(a).text();
var keyB = $(b).text();
if (keyA < keyB) return -1;
if (keyA > keyB) return 1;
return 0;
});
return items;
}
function adjustItems(sel, items) {
var ul = $(sel);
$.each(items, function(i, li){
ul.append(li);
});
}
如果我单击按钮排序标题第二li,则将更改为第一次上升顺序
<button id='title'>Sort By Title </button>
<button id='price'>Sort By price</button>
<button id='chnage'>Sort By net change</button>
首先不使用页面上复制的相同ID,使用类。
<div id=tableToSort">
<ul id="rootUl">
<li>
<div class='title'>MSFT</div>
<div class='price'>230</div>
<div class='change'>0.2 - 0.4%</div>
<div class='volume'>3000</div>
</li>
<li>
<div class='title'>FB</div>
<div class='price'>200</div>
<div class='change'>0.3 - 0.6%</div>
<div class='volume'>2800</div>
</li>
</ul>
</div>
之后,如果您使用;
var myArr=new Array();
var allList=$("#rootUl li");
for(var x=0;x<allList.length;x++){
var newRow=allList[x];
var newObj={
"title":$(newRow).find(".title").text(),
"price":parseFloat($(newRow).find(".price").text()),
"net_change":parseFloat($(newRow).find(".change").text()),
"Volume":parseFloat($(newRow).find(".volume").text())
};
myArr.push(newObj);
}
现在您在Myarr阵列上拿了所有值。毕竟,您可以使用这些功能对数组进行排序;
function sortByKeyDesc(array, key) {
return array.sort(function (a, b) {
var x = a[key]; var y = b[key];
return ((x > y) ? -1 : ((x < y) ? 1 : 0));
});
}
function sortByKeyAsc(array, key) {
return array.sort(function (a, b) {
var x = a[key]; var y = b[key];
return ((x < y) ? -1 : ((x > y) ? 1 : 0));
});
}
示例;(请小心您的按钮ID不是"更改",而是" chnage")
$("#price").on("click",function(){
myArr=sortByKeyAsc(myArr,"price");
});
$("#volume").on("click",function(){
myArr=sortByKeyAsc(myArr,"volume");
});
$("#change").on("click",function(){
myArr=sortByKeyAsc(myArr,"change");
});
,然后您可以使用jQuery创建doms打印新数组,例如;
var createNewTable=function(){
var myDom=$("<ul>",{"id":"rootUl"});
for(var x=0;x<myArr.length;x++){
var obj=myArr[x];
var myTitle=$("<li>",{
"class":"title",
"text":obj.title
});
var myPrice=$("<li>",{
"class":"price",
"text":obj.price
});
var myChange=$("<li>",{
"class":"net_change",
"text":obj.change
});
var myVolume=$("<li>",{
"class":"Volume",
"text":obj.volume
});
myDom.append(
myTitle,
myPrice,
myChange,
myVolume
);
}
$("#tableToSort").html(myDom);
};
您使用了较低的情况ID,ID名称是案例敏感的。我也看不到任何嵌套ul
...
$("#title").click(function() {
var items = $('#rootUl > li').get();
console.log(items);
var nestedItems = $('#rootUl > li > ul > li').get();
items = sort(items);
adjustItems('#rootUl', items);
nestedItems = sort(nestedItems);
adjustItems('#rootUl > li > ul', nestedItems);
});
function sort(items) {
items.sort(function(a, b) {
var keyA = $(a).text();
var keyB = $(b).text();
if (keyA < keyB) return -1;
if (keyA > keyB) return 1;
return 0;
});
return items;
}
function adjustItems(sel, items) {
var ul = $(sel);
$.each(items, function(i, li) {
ul.append(li);
});
}
ul {
display: flex;
flex-direction: column;
}
li {
display: flex;
}
li div {
width: 80px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul id="rootUl">
<li>
<div id='title'>MSFT</div>
<div id='price'>230</div>
<div id='net_change'>0.2 - 0.4%</div>
<div id='Volume'>3000</div>
</li>
<li>
<div id='title'>FB</div>
<div id='price'>200</div>
<div id='net_change'>0.3 - 0.6%</div>
<div id='Volume'>2800</div>
</li>
<li>
<div id='title'>FB2</div>
<div id='price'>200</div>
<div id='net_change'>0.3 - 0.6%</div>
<div id='Volume'>2800</div>
</li>
<li>
<div id='title'>FB3</div>
<div id='price'>200</div>
<div id='net_change'>0.3 - 0.6%</div>
<div id='Volume'>2800</div>
</li>
</ul>