html:
<!DOCTYPE html>
<html lang="en">
<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">
<link rel="stylesheet" href="/go.html?url=index.css">
<title>登录</title>
</head>
<body>
<div class="container">
<div class="logo"></div>
<div class="input_container">
<div class="username">
<label for="username">账号:</label>
<input type="text" id="username">
</div>
<p class="error"></p>
<div class="psd">
<label for="psd">密码:</label>
<input type="password" id="psd">
</div>
<p class="error"></p>
<div class="phone">
<label for="phone">手机号码:</label>
<input type="text" id="phone">
</div>
<p class="error"></p>
</div>
<div class="tip">
<a href="/go.html?url=">忘记密码</a>
<a href="/go.html?url=">注册账号</a>
</div>
<div class="btn">
<button id="login">登录</button>
</div>
<div class="copy">@copy 2020</div>
</div>
<script src="./jquery.js"></script>
<script src="./index.js"></script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
