我的腳本運行時遇到一些問題。我的腳本計算訂單的數量和每個訂單的重量。按下「新行」按鈕時,我的表單實際上是由javascript創建的。我試圖在3個值(物品數量,箱子中的物品數量,每個訂單的箱子數量)填入時自動給出訂單總數。另外,當給定單個物品的重量時,它會給出訂單的總重量。所有這些都發生在使用jquery的keyup上。我只需要在javaScript部分中提供幫助。我後來用AJAX處理了我的表單,一切正常,但是當我試圖實現這一點時它破裂了。 ($ totalitems) - > [object Object]和alert($ weightperpal) - > NaN。當我使用alert()來查看我的代碼分配給updateForm()函數的值是什麼時,有人能幫我解決這個問題嗎?我的繼承人代碼:jQuery從變量中取回NaN和[object Object]
HTML:
<button id="addLine" type="submit" class="btn red">Add Line</button>
的JavaScript:
$("#addLine").click(function(e){
e.preventDefault();
lineNum++;
var cont = '<div class="control-group">'+
'<label class="control-label">Total # of items</label>'+
'<div class="controls">'+
'<input type="text" placeholder="" class="m-wrap medium orderField" name="totalitems'+lineNum+'" id="totalitF" no="'+ lineNum +'"/>'+
'<span class="help-inline" style="font-size:10px; font-style:italic;">Not mandatory</span>'+
'</div>'+
'</div>'+
'<div class="control-group">'+
'<label class="control-label">Items per box</label>'+
'<div class="controls">'+
'<input type="text" placeholder="0" class="m-wrap medium orderField" name="ipb'+lineNum+'" id="itemspbF" no="'+ lineNum +'"/>'+
'<span class="help-inline" style="font-size:10px; font-style:italic;">#</span>'+
'</div>'+
'</div>'+
'<div class="control-group">'+
'<label class="control-label">Boxes per order</label>'+
'<div class="controls">'+
'<input type="text" placeholder="0" class="m-wrap medium orderField" name="bpp'+lineNum+'" id="boxesppF" no="'+ lineNum +'"/>'+
'<span class="help-inline" style="font-size:10px; font-style:italic;">#</span>'+
'</div>'+
'</div>'+
'<div class="control-group">'+
'<label class="control-label">Weight per Item</label>'+
'<div class="controls">'+
'<input type="text" placeholder="0" class="m-wrap medium orderField" name="wpi'+lineNum+'" id="weightpiF" no="'+ lineNum +'"/>'+
'<span class="help-inline" style="font-size:10px; font-style:italic;">#</span>'+
'</div>'+
'</div>'+
'<div class="control-group">'+
'<label class="control-label">Total number of Orders</label>'+
'<div class="controls">'+
'<input type="text" placeholder="" class="m-wrap medium orderField" name="pallets'+lineNum+'" id="palletsF" no="'+ lineNum +'"/>'+
'<span class="help-inline" style="font-size:10px; font-style:italic;"># of pallets</span>'+
'</div>'+
'</div>'+
'<div class="control-group">'+
'<label class="control-label">Weight per order</label>'+
'<div class="controls">'+
'<input type="text" placeholder="" class="m-wrap medium orderField" name="wpp'+lineNum+'" id="weightppF" no="'+ lineNum +'"/>'+
'<span class="help-inline" style="font-size:10px; font-style:italic;">Total number of boxes</span>'+
'</div>'+
'</div>'+
'</div>';
$(document).on('keyup','.weightpiF',function(){
var valueField = $(this).attr('no');
updateFormRoe(valueField);
});
$(document).on('keyup','.weightppF',function(){
var valueField = $(this).attr('no');
updateFormRoe(valueField);
});
$(document).on('keyup','.itemspbF',function(){
var valueField = $(this).attr('no');
updateFormRoe(valueField);
});
$(document).on('keyup','.boxesppF',function(){
var valueField = $(this).attr('no');
updateFormRoe(valueField);
});
function updateFormRoe(number){
alert(number);
var $totalitems = $('#totalitF'+number);
alert($totalitems);
var $itemspb = $('#itemspbF'+number).val();
var $boxespp = $('#boxesppF'+number).val();
var $weightperitem = $('#weightpiF'+number).val();
var $itemsinpallet = $itemspb * $boxespp;
var $totalpals = $totalitems/$itemsinpallet;
var $weightperpal = ($itemsinpallet) * $weightperitem;
alert($weightperpal);
if($totalitems !== '' && $itemspb !== '' && $boxespp !== ''){
if($totalpals == Infinity){
$('#palletsF'+number).val('0');
}else{
$('#palletsF'+number).val($totalpals);
}
$('#weightppF'+number).val($weightperpal);
}
}
提前感謝!
請記住在'parseFloat(...)'中包裝'$(...)。val()',以便將值轉換爲數字。 – JCOC611 2015-02-11 21:31:16
也使用'console.log()'而不是'alert()'來查看對象 – 2015-02-11 21:32:03