[英]How to assign vat value calling from php to Javascript for my function in easy way?
I want to assign a value ($productVatValue) taking from php to javascript using JSON, how I can achieve that for my code?我想使用 JSON 从 php 到 javascript 分配一个值($productVatValue),我如何才能为我的代码实现呢?
here is the code on Javascript这是 Javascript 上的代码
var vat = (Number($("#subTotal").val())/100) * $productVatValue;
vat = vat.toFixed(2);
$("#vat").val(vat);
$("#vatValue").val(vat);
and here is the fetchOrderVat.php that calls the vat value这是调用增值税值的 fetchOrderVat.php
<?php
require_once 'core.php';
$sql = "SELECT vat FROM usercompany WHERE id = 1";
$result = $connect->query($sql);
if($result->num_rows > 0) {
$row = $result->fetch_array();
} // if num_rows
$connect->close();
echo json_encode($row);
There is a little change in your first line of javascript code.您的第一行 javascript 代码有一点变化。
Simply change简单地改变
var vat = (Number($("#subTotal").val())/100) * $productVatValue;
to至
var vat = (Number($("#subTotal").val())/100) * <?php echo $productVatValue; ?>
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