[英]Count all numbers inside Parent div, and then sort them on Totals
我想計算內部所有“計數”的每個“行計數”的總數,然后根據“行總數”對“行”進行排序。 但是總數的總和是class =“ count”,而不是“ for each”,僅是其父級“ row-counts”中的數字。
<div id="container">
<div class="row">
<div class="row-counts">
<span class="count">12</span>
<span class="count">4</span>
<span class="count">5</span>
<span class="count">7</span>
</div>
<div class="row-totals">
</div>
</div>
<div class="row">
<div class="row-counts">
<span class="count">4</span>
<span class="count">66</span>
<span class="count">0</span>
<span class="count">12</span>
</div>
<div class="row-totals">
</div>
</div>
<div class="row">
<div class="row-counts">
<span class="count">7</span>
<span class="count">99</span>
<span class="count">42</span>
<span class="count">17</span>
</div>
<div class="row-totals">
</div>
</div>
</div>
<script>
// to calculate sum of all numbers in .row-counts
$('.row-counts').each(function(){
var sum = 0;
var select = $(this).find('.count');
select.each(function()
{
sum += parseFloat($(this).text());
});
$('.row-totals').html(sum);
});
// to sort on .row-totals
$(".row-totals").orderBy(function() {return +$(this).text();}).appendTo("#container");
jQuery.fn.orderBy = function(keySelector)
{
return this.sort(function(a,b)
{
a = keySelector.apply(a);
b = keySelector.apply(b);
if (a > b)
return 1;
if (a < b)
return -1;
return 0;
});
};
</script>
排序插件來自於本主題: 在div標簽和jQuery中按數字對div進行排序
干得好。 代碼用一些指針注釋。 希望這可以幫助。 http://jsfiddle.net/N5Sd2/
// to calculate sum of all numbers in .row-counts
$('.row').each(function(index,RowElement){ // For each row
var thisRowTotal = $(RowElement).find('.row-totals'); // set output div in variable
var thisRowCounts = $(RowElement).find('.row-counts'); // set row count parent div in variable
var sum = 0; // create sum var
thisRowCounts.each(function(i,RowCountParent){ // for each row count parent
var select = $(RowCountParent).find('.count'); // find counts
select.each(function(i,e){ // for each count found
sum = sum + parseInt($(e).html()); // convert into integer and add to sum
}); // when finished
thisRowTotal.html(sum); // output sum to output div
});
});
// to sort on .row-totals
jQuery.fn.orderBy = function(keySelector) // MAKE SURE YOU INIT THE PLUGIN...
{
return this.sort(function(a,b)
{
a = keySelector.apply(a);
b = keySelector.apply(b);
if (a > b)
return 1;
if (a < b)
return -1;
return 0;
});
};
// ....BEFORE YOU CALL IT IN YOUR CODE! This line moved UNDER the plugin.
$(".row-totals").orderBy(function() {return +$(this).text();}).appendTo("#container");
我沒有測試它,但我認為您的迭代中還需要一個更高的級別。 這應該可以解決問題:
$('.row').each(function() {
var total = $(this).find('.row-totals');
var sum = 0;
$(this).find('.row-counts').each(function(){
var select = $(this).find('.count');
select.each(function() {
sum += parseFloat($(this).text());
});
total.html(sum);
});
});
然后像往常一樣使用您的排序插件。
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