Sunday, 8 May 2016

How to Creat Product Discount Calculator in php ?

                                           display_discount.php             


 <?php
    // get the data from the form
    $product_description = $_POST['product_description'];
    $list_price = $_POST['list_price'];
    $discount_percent = $_POST['discount_percent'];
  
    // calculate the discount
    $discount = $list_price * $discount_percent * .01;
    $discount_price = $list_price - $discount;

    // apply currency formatting to the dollar and percent amounts
    $list_price_formatted = "Rs.".number_format($list_price, 2);
    $discount_percent_formatted = $discount_percent."%";
    $discount_formatted = "Rs.".number_format($discount, 2);
    $discount_price_formatted = "Rs.".number_format($discount_price, 2);          
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Product Discount Calculator</title>
    <link rel="stylesheet" type="text/css" href="main.css" />
</head>
<body>
    <div id="content">
        <h1>Product Discount Calculator</h1>

        <label>Product Description:</label>
        <span><?php echo $product_description; ?></span><br/>

        <label>List Price:</label>
        <span><?php echo $list_price_formatted; ?></span><br />

        <label>Standard Discount:</label>
        <span><?php echo $discount_percent_formatted; ?></span><br />

        <label>Discount Amount:</label>
        <span><?php echo $discount_formatted; ?></span><br />

        <label>Discount Price:</label>
        <span><?php echo $discount_price_formatted; ?></span><br />
     <p>&nbsp;</p>
        Authorised Signature :--&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<i>TechNode Computer</i>
           </div>
</body>
</html>

                                      index.php



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Product Discount Calculator</title>
    <link rel="stylesheet" type="text/css" href="main.css" />
</head>

<body>
    <div id="content">
        <h1>Product Discount Calculator</h1>
        <form action="display_discount.php" method="post">

            <div id="data">
                <label>Product Description:</label>
                <input type="text" name="product_description"/><br />

                <label>List Price:</label>
                <input type="text" name="list_price"/><br />

                <label>Discount Percent:</label>
                <input type="text" name="discount_percent"/>%<br />
            </div>

            <div id="buttons">
                <label>&nbsp;</label>
                <input type="submit" value="Calculate Discount" /><br />
            </div>

        </form>
    </div>
</body>
</html>

                                                    main.css

body {
    font-family: Arial, Helvetica, sans-serif;
}
#content {
    width: 450px;
    margin: 0 auto;
    padding: 20px 20px;
    background: white;
    border: 2px solid navy;
}
h1 {
    margin-top: 0;
    color: navy;
}
label {
    width: 10em;
    padding-right: 1em;
    float: left;
}
#data input {
    float: left;
    width: 15em;
    margin-bottom: .5em;
}
#buttons input {
    float: left;
    margin-bottom: .5em;
}
br {
    clear: left;
}




Result:




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