表单
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Page Title</title>
</head>
<body>
<form>
First name=<input type="text" name="firstname"><br>
Last name=<input type="text" name=firstname">,<br>
Password:<input type="password" name="111" >,<br>
<input type="radio" name="sex" value="male">Male<br>
<input type="radio" name="sex" value="female">Female<br>
<input type="checkbox" name="vehicle" value="Drawing">I like drawing<br>
<input type="checkbox" name="vehicle" value="singing">I like singing<br>
<form name="input" action="html_form_action.php" method="get">
Username: <input type="text" name="user">
<input type="submit" value="Submit">
</form>
</body>
</html>
