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PHP 对 GET 和 POST 的表单提交方式处理

程序员文章站 2024-02-12 22:00:10
...
<html>
</head>
<body>
    <?php
      if ($_GET['submitted'] == "yes"){
        if (trim ($_GET['yourname']) != ""){
          echo "Your Name (with GET): " . $_GET['yourname'];
        } else {
          echo "You must submit a value.";
        }
        ?><br /><a href="index.php">Try Again</a><?php
      }
      if ($_POST['submitted'] == "yes"){
        if (trim ($_POST['yourname']) != ""){
          echo "Your Name (with POST): " . $_POST['yourname'];
        } else {
          echo "You must submit a value.";
        }
        ?><br /><a href="index.php">Try Again</a><?php
      }
    ?>
    <?php
      if ($_GET['submitted'] != "yes" && $_POST['submitted'] != "yes"){
        ?>
        <form action="index.php" method="get">
          <p>GET Example:</p>
          <input type="hidden" name="submitted" value="yes" />
          Your Name: <input type="text" name="yourname" maxlength="150" /><br />
          <input type="submit" value="Submit with GET"/>
        </form>
        <form action="index.php" method="post">
          <p>POST Example:</p>
          <input type="hidden" name="submitted" value="yes" />
          Your Name: <input type="text" name="yourname" maxlength="150" /><br />
          <input type="submit" value="Submit with POST"/>
        </form>
        <?php
      }
    ?>
</body>
</html>
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