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<?PHP $script = <<< JS $('#itemsfactura-{$i}-cantidad').change(function(){ var cantidad = $(this).val(); var precio = $('#itemsfactura-{$i}-precio').val(); $('#itemsfactura-{$i}-@R_862_10586@l_item').val(cantidad * precio); }); JS; $this->registerJs($script); ?>
这是动态表单字段的代码：
...
<div class="row">
<div class="col-sm-4">
<?= $form->field($modelItemFactura,"[{$i}]precio")->texTinput(['maxlength' => true]) ?>
</div>
<div class="col-sm-4">
<?= $form->field($modelItemFactura,"[{$i}]cantidad")->texTinput(['maxlength' => true]) ?>
</div>
<div class="col-sm-4">
<?= $form->field($modelItemFactura,"[{$i}]@R_862_10586@l_item")->texTinput(['maxlength' => true]) ?>
</div>
</div>...
<div class="col-sm-4">
<?= $form->field($modelItemFactura,"[{$i}]precio")->texTinput(['maxlength' => true,'onchange' => 'getProduct($(this))','onkeyup' => 'getProduct($(this))']) ?>
</div>
<div class="col-sm-4">
<?= $form->field($modelItemFactura,"[{$i}]cantidad")->texTinput(['maxlength' => true,'onkeyup' => 'getProduct($(this))']) ?>
</div>
JS
function getProduct(item) { var index = item.attr("id").replace(/[^0-9.]/g,""); var @R_862_10586@l = current = next = 0; var id = item.attr("id"); var myString = id.split("-").pop(); if(myString == "precio") { fetch = index.concat("-cantidad"); } else { fetch = index.concat("-precio"); } temp = $("#itemsfactura-"+fetch+"").val(); if(!isNaN(temp) && temp.length != 0) { next = temp; } current = item.val(); if(isNaN(current) || current.length == 0) { current = 0; } if(!isNaN(current) && !isNaN(next)) { @R_862_10586@l = parseInt(current) * parseInt(next); } @R_862_10586@lItem = "itemsfactura-".concat(indeX).concat("-@R_862_10586@l_item"); $("#"+@R_862_10586@lItem+"").val(@R_862_10586@l); }
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