index.html

<!DOCTYPE html>
<html>

<head>
    <title>test html</title>
    <meta charset="utf-8">
    <link type="text/css" rel="stylesheet" href="./assets/css/index.css">
</head>


<body>

    <div id="tab_content">

        <form method="POST" action="/PHP/login.php">
            <br>
            <img src="images/logo.png" alt="logo" width="200" height="90">
            <div class="input-group">
                <img src="images/user-shape.png" alt="username" width="38px" height="38px">
                <input type="text" name="username" placeholder="请输入用户名">
            </div>

            <div>
                <img src="images/lock.png" alt="password" width="43px" height="44px">
                <input type="password" name="password" placeholder="请输入密码">
            </div>
            <br>
            <button id="login_button" onclick="login()">登 &nbsp;录</button>
        </form>
        <div>
            <a id="register" href="register.html">点击注册</a>
        </div>
    </div>
</body>




</html>