html
<!DOCTYPE html>
<html>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<body>
<h2>登录表格</h2>
<form action="/action_page.php">
<div class="container">
<label for="uname"><b>用户名</b></label>
<input type="text" placeholder="输入用户名" name="uname" required>
<label for="psw"><b>密码</b></label>
<input type="password" placeholder="输入密码" name="psw" required>
<button type="submit">登录</button>
</div>
</form>
</body>
</html>
