templates/wtf3_login.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>注册页面2</title>
</head>
<body>
  <form action="/login/" method="post">
    <table>
            <tr>
                <th>用户名：</th>
                <td><input type="text" name="uname"></td>
            </tr>
            <tr>
                <th>密码：</th>
                <td><input type="password" name="pwd"></td>
            </tr>
            <tr>
                <th>验证码：</th>
                <td><input type="text" name="code" maxlength="4"><span style="background-color: red;">{{code}}</span></td>
            </tr>
            <tr>
                <th></th>
                <td><input type="submit" value="登录"></td>
            </tr>
    </table>
</form>
</body>
</html>