<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form method="POST" action="<?php echo $_SERVER['PHP_SELF'];?>">
姓名：<input type="text" name="name"><br>
<input type="submit" value="提交">
</form>
<hr>
</body>
</html>
<?php
echo "当前的文件路径为";
echo $_SERVER['PHP_SELF'];
echo "<hr>";
?>
<?php
$name = $_REQUEST['name'];
echo $name;
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<form method="post" action="<?php echo $_SERVER['PHP_SELF'];?>">
Name: <input type="text" name="fname">
<input type="submit">
</form>
<?php
$name = $_POST['fname'];
echo $name;
?>
</body>
</html>
