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  • 每日日报

    个人作业及PHP作业

    <?php
    $values = '';
    if(!empty($_POST)){
    $num1 = $_POST['num1'];
    $num2 = $_POST['num2'];
    $operator = $_POST['operator'];
    switch ($operator){
    case '1':
    $values = $num1 + $num2;
    break;
    case '2':
    $values = $num1 - $num2;
    break;
    case '3':
    $values = $num1 * $num2;
    break;
    case '4':
    $values = $num1 / $num2;
    break;
    }
    }
    ?>


    <!doctype html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <meta name="viewport"
    content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    </head>
    <body>
    <form method="post">
    <input type="text" name="num1">
    <select name="operator">
    <option value="1">+</option>
    <option value="2">-</option>
    <option value="3">*</option>
    <option value="4">/</option>
    </select>
    <input type="text" name="num2">
    <input type="submit" value="=">
    <input type="text" value="<?php echo $values; ?>"><br>
    </form>
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/zy2481912102/p/14881036.html
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