好久没有写前端页面，今天找来一个小案例练练手，再不练习，我怕以前学的东西的忘记了。
先来看看整体的效果吧！
源代码如下：
HTML页面
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Login</title>
<link rel="stylesheet" href="style.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" charset="utf-8"></script>
</head>
<body>
<div class="container" id="login-box">
<div class="form-container sign-up-container">
<form>
<h1>注册</h1>
<div class="txtb">
<input type="text">
<span data-placeholder="Useranme" ></span>
</div>
<div class="txtb">
<input type="email">
<span data-placeholder="Email" ></span>
</div>
<div class="txtb">
<input type="password">
<span data-placeholder="Password" ></span>
</div>
<div class="txtb">
<input type="password">
<span data-placeholder="Confirm Password" ></span>
</div>
<button>注册</button>
</form>
</div>
<div class="form-container sign-in-container">
<form action="#">
<h1>登录</h1>
<div class="txtb">
<input type="email">
<span data-placeholder="Email" ></span>
</div>
<div class="txtb">
<input type="password" >
<span data-placeholder="Password"></span>
</div>
<a href="#">忘记密码？</a>
<button>登录</button>
</form>
</div>
<div class="overlay-container">
<div class="overlay">
<div class="overlay-panel overlay-left">
<h1>已有账号？</h1>
<p>请使用您的账号进行登录</p>
<button class="ghost" id="signIn" >登录</button>
</div>
<div class="overlay-panel overlay-right">
<h1>没有账号?</h1>
<p>立即注册加入我们，和我们一起开始旅程吧</p>
<button class="ghost" id="signUp">注册</button>
</div>
</div>
</div>
</div>
</body>
<script>
$("#signUp").click(function(){
$("#login-box").addClass('right-panel-active')
})
$("#signIn").click(function(){
$("#login-box").removeClass('right-panel-active')
})
$(".txtb input").on("focus",function(){
$(this).addClass("focus")
})
$(".txtb input").on("blur",function(){
if($(this).val() == '')
$(this).removeClass("focus")
})
</script>
</html>
CSS样式
* {
box-sizing: border-box;
}
body {
font-family: 'Montserrat',sans-serif;
background-image: linear-gradient(120deg,#3498db,#8e44ad);;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
height: 100vh;
margin: -20px 0 50px;
}
h1 {
font-weight: bold;
margin: 0;
}
p {
font-size: 14px;
line-height: 20px;
letter-spacing: .5px;
margin: 20px 0 30px;
}
span {
font-size: 12px;
}
a {
color: #333;
font-size: 14px;
text-decoration: none;
margin: 15px 0;
}
.container {
background: #fff;
border-radius: 10px;
box-shadow: 0 14px 28px rgba(0, 0, 0, .25), 0 10px 10px rgba(0, 0, 0, .22);
position: relative;
overflow: hidden;
width: 768px;
max-width: 100%;
min-height: 480px;
}
.form-container form {
background: #fff;
display: flex;
flex-direction: column;
padding: 0 50px;
height: 100%;
justify-content: center;
text-align: center;
}
.social-container {
margin: 20px 0;
}
.social-container a {
border: 1px solid #ddd;
border-radius: 50%;
display: inline-flex;
justify-content: center;
align-items: center;
margin: 0 5px;
height: 40px;
width: 40px;
}
.social-container a:hover {
background-color: #eee;
}
.txtb {
border-bottom: 2px solid #adadad;
position: relative;
margin: 10px 0;
}
.txtb input {
font-size: 15px;
color: #333;
border: none;
width: 100%;
outline: none;
background: none;
padding: 0 3px;
height: 35px;
}
.txtb span::before {
content: attr(data-placeholder);
position: absolute;
top: 50%;
left: 5px;
color: #adadad;
transform: translateY(-50%);
transition: .5s;
}
.txtb span::after {
content: '';
position: absolute;
left: 0%;
top: 100%;
width: 0%;
height: 2px;
background-image: linear-gradient(120deg,#3498db,#8e44ad);
transition: .5s;
}
.focus + span::before {
top: -5px;
}
.focus + span::after {
width: 100%;
}
button {
border-radius: 20px;
border: 1px solid #ff4b2b;
background: #ff4b2b;
color: #fff;
font-size: 12px;
font-weight: bold;
padding: 12px 45px;
letter-spacing: 1px;
text-transform: uppercase;
transition: transform 80ms ease-in;
cursor: pointer;
}
button:active {
transform: scale(.95);
}
button:focus {
outline: none;
}
button.ghost {
background: transparent;
border-color: #fff;
}
.form-container {
position: absolute;
top: 0;
height: 100%;
transition: all .6s ease-in-out;
}
.form-container button {
background: linear-gradient(120deg, #3498db, #8e44ad);
border: none;
background-size: 200%;
color: #fff;
transition: .5s;
}
.form-container button:hover {
background-position: right;
}
.sign-in-container {
left: 0;
width: 50%;
z-index: 2;
}
.sign-in-container form a {
position: relative;
left: 100px;
}
.sign-up-container {
left: 0;
width: 50%;
z-index: 1;
opacity: 0;
}
.sign-up-container button {
margin-top: 20px;
}
.overlay-container {
position:absolute;
top: 0;
left: 50%;
width: 50%;
height: 100%;
overflow: hidden;
transition: transform .6s ease-in-out;
z-index: 100;
}
.overlay {
background-image: linear-gradient(120deg,#3498db,#8e44ad);
color: #fff;
position: relative;
left: -100%;
height: 100%;
width: 200%;
transform: translateY(0);
transition: transform .6s ease-in-out;
}
.overlay-panel {
position: absolute;
top: 0;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
padding: 0 40px;
height: 100%;
width: 50%;
text-align: center;
transform: translateY(0);
transition: transform .6s ease-in-out;
}
.overlay-right {
right: 0;
transform: translateY(0);
}
.overlay-left {
transform: translateY(-20%);
}
.container.right-panel-active .sign-in-container {
transform: translateY(100%);
}
.container.container.right-panel-active .overlay-container {
transform: translateX(-100%);
}
.container.right-panel-active .sign-up-container {
transform: translateX(100%);
opacity: 1;
z-index: 5;
}
.container.container.right-panel-active .overlay {
transform: translateX(50%);
}
.container.container.right-panel-active .overlay-left {
transform: translateY(0);
}
.container.container.right-panel-active .overlay-right {
transform: translateY(20%);
}
整体的效果还可以吧！喜欢的小伙伴们欢迎关注！定期更新作品。
