<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
</head>
<body>
<form>
登陆名称:<br>
<input type="text" name="loginname">
<br>
密码:<br>
<input type="text" name="password">
性别:
<input type="radio" name="sex" value="male" checked>男
<br>
<input type="radio" name="sex" value="female">女
<br><br>
<input type="submit" value="Submit">
</form>
</body>
</html>