1
<form action="demo_form.php">2
First name: <input type="text" name="fname" value="John"><br> Last name: <input type="text" name="lname" value="Doe"><br>3
<input type="submit" value="提交表单">
<form action="demo_form.php"> First name: <input type="text" name="fname" value="John"><br> Last name: <input type="text" name="lname" value="Doe"><br> <input type="submit" value="提交表单">