该扁平风格登录注册表单界面的HTML结构如下:
<div id="wrapper" > <div id="login_form" > <form > <input type="text" placeholder="用户名" id="r_user_name"/> <input type="password" placeholder="密码" id="r_password" /> <input type="text" placeholder="电子邮件" id="r_emial"/> <button id="create">创建账户</button> <p >已经有了一个账户? <a href="#">立刻登录</a> </form> <form > <input type="text" placeholder="用户名" id="user_name"/> <input type="password" placeholder="密码" id="password"/> <button id="login">登 录</button> <p >还没有账户? <a href="#">立刻创建</a> </form> </div> </div>
为表单添加下面的必要CSS样式:
@import url(https://fonts.googleapis.com/css?family=Roboto:300); .login-page { width: 360px; padding: 8% 0 0; margin: auto; } .form { position: relative; z-index: 1; background: #FFFFFF; max-width: 360px; margin: 0 auto 100px; padding: 45px; text-align: center; box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24); } .form input { font-family: "Roboto", sans-serif; outline: 0; background: #f2f2f2; width: 100%; border: 0; margin: 0 0 15px; padding: 15px; box-sizing: border-box; font-size: 14px; } .form button { font-family: "Microsoft YaHei","Roboto", sans-serif; text-transform: uppercase; outline: 0; background: #4CAF50; width: 100%; border: 0; padding: 15px; color: #FFFFFF; font-size: 14px; -webkit-transition: all 0.3 ease; transition: all 0.3 ease; cursor: pointer; } .form button:hover,.form button:active,.form button:focus { background: #43A047; } .form .message { margin: 15px 0 0; color: #b3b3b3; font-size: 12px; } .form .message a { color: #4CAF50; text-decoration: none; } .form .register-form { display: none; } .container { position: relative; z-index: 1; max-width: 300px; margin: 0 auto; } .container:before, .container:after { content: ""; display: block; clear: both; } .container .info { margin: 50px auto; text-align: center; } .container .info h1 { margin: 0 0 15px; padding: 0; font-size: 36px; font-weight: 300; color: #1a1a1a; } .container .info span { color: #4d4d4d; font-size: 12px; } .container .info span a { color: #000000; text-decoration: none; } .container .info span .fa { color: #EF3B3A; } body { background: #76b852; /* fallback for old browsers */ background: -webkit-linear-gradient(right, #76b852, #8DC26F); background: -moz-linear-gradient(right, #76b852, #8DC26F); background: -o-linear-gradient(right, #76b852, #8DC26F); background: linear-gradient(to left, #76b852, #8DC26F); font-family: "Roboto", sans-serif; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
表单左右摇晃的效果使用CSS3 animation动画来实现:
.shake_effect{ -webkit-animation-name: shake; animation-name: shake; -webkit-animation-duration: 1s; animation-duration: 1s; } @-webkit-keyframes shake { from, to { -webkit-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } 10%, 30%, 50%, 70%, 90% { -webkit-transform: translate3d(-10px, 0, 0); transform: translate3d(-10px, 0, 0); } 20%, 40%, 60%, 80% { -webkit-transform: translate3d(10px, 0, 0); transform: translate3d(10px, 0, 0); } } @keyframes shake { from, to { -webkit-transform: translate3d(0, 0, 0); transform: translate3d(0, 0, 0); } 10%, 30%, 50%, 70%, 90% { -webkit-transform: translate3d(-10px, 0, 0); transform: translate3d(-10px, 0, 0); } 20%, 40%, 60%, 80% { -webkit-transform: translate3d(10px, 0, 0); transform: translate3d(10px, 0, 0); } }
简单的对表单进行了一些验证 方法
function check_login(){ var name=$("#user_name").val(); var pass=$("#password").val(); if(name=="admin" && pass=="admin"){ alert("登录成功!"); $("#user_name").val(""); $("#password").val(""); } else{ $("#login_form").removeClass('shake_effect'); setTimeout(function() { $("#login_form").addClass('shake_effect') },1); } } function check_register(){ var name = $("#r_user_name").val(); var pass = $("#r_password").val(); var email = $("r_email").val(); if(name!="" && pass=="" && email != "") { alert("注册成功!"); $("#user_name").val(""); $("#password").val(""); } else { $("#login_form").removeClass('shake_effect'); setTimeout(function() { $("#login_form").addClass('shake_effect') },1); } }