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| <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
* {
margin: 0;
padding: 0;
}
h2 {
text-align: center;
display: block;
}
.login {
display: none;
width: 500px;
height: 300px;
position: fixed;
left: 50%;
top: 50%;
transform: translate(-50%, -50%);
box-shadow: 0px 0px 6px 0px rgb(255, 255, 255);
background-color: #fff;
z-index: 1;
}
h1 {
text-align: center;
margin: 20px 0 20px;
cursor: all-scroll;
}
.close {
width: 50px;
height: 50px;
display: block;
border-radius: 50%;
text-align: center;
line-height: 50px;
position: absolute;
top: -25px;
right: -25px;
cursor: pointer;
box-shadow: 0px 0px 6px 0px rgb(194, 190, 190);
background-color: #fff;
}
form {
margin: 10px 40px;
height: 200px;
}
.name,
.psd {
padding: 5px;
width: 300px;
height: 30px;
margin: 0 0 30px;
border: 1px solid #ccc;
background-color: #fff;
}
.btn {
width: 200px;
height: 40px;
border: 1px solid #ccc;
background-color: #fff;
cursor: pointer;
margin: 0 auto;
display: block;
color: black;
text-decoration: none;
text-align: center;
line-height: 40px;
}
.shadow {
top: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, .4);
}
</style>
</head>
<body>
<h2 style="cursor: pointer;">click</h2>
<div class="login">
<h1>Login</h1>
<form action="" method="get">
username：<input class="name" type="text" name="username" placeholder="username" value="">
<br />
password：<input class="psd" type="password" name="password" placeholder="password" value="">
<br />
<a href="javascript:;" class="btn">Submit</a>
</form>
<span class="close">close</span>
</div>
<div class="shadow"></div>
<script>
document.addEventListener("DOMContentLoaded", function (e) {
var h1 = document.querySelector('h1')
var h2 = document.querySelector('h2')
var login = document.querySelector('.login')
var close = document.querySelector('.close')
var shadow = document.querySelector('.shadow')
h2.addEventListener('click', function () {
shadow.style.position = 'fixed'
login.style.display = 'block'
})
close.addEventListener('click', function () {
shadow.style.position = ''
login.style.display = ''
})
h1.addEventListener('mousedown', function (e) {
var x = e.pageX - login.offsetLeft;
var y = e.pageY - login.offsetTop;
document.addEventListener('mousemove', move)
function move(e) {
login.style.left = e.pageX - x + 'px';
login.style.top = e.pageY - y + 'px';
}
document.addEventListener('mouseup', function () {
document.removeEventListener('mousemove', move);
})
})
})
</script>
</body>
</html>
|
