模拟百度登陆页面
<style>
.login-header {
width: 100%;
text-align: center;
height: 30px;
font-size: 24px;
line-height: 30px;
}
ul,
li,
ol,
dl,
dt,
dd,
div,
p,
span,
h1,
h2,
h3,
h4,
h5,
h6,
a {
padding: 0px;
margin: 0px;
}
.login {
width: 512px;
position: absolute;
border: #ebebeb solid 1px;
height: 280px;
left: 50%;
right: 50%;
background: #ffffff;
box-shadow: 0px 0px 20px #ddd;
z-index: 9999;
margin-left: -256px;
margin-top: 140px;
display: none;
}
.login-title {
width: 100%;
margin: 10px 0px 0px 0px;
text-align: center;
line-height: 40px;
height: 40px;
font-size: 18px;
position: relative;
cursor: move;
-moz-user-select: none;
/*火狐*/
-webkit-user-select: none;
/*webkit浏览器*/
-ms-user-select: none;
/*IE10*/
-khtml-user-select: none;
/*早期浏览器*/
user-select: none;
}
.login-input-content {
margin-top: 20px;
}
.login-button {
width: 50%;
margin: 30px auto 0px auto;
line-height: 40px;
font-size: 14px;
border: #ebebeb 1px solid;
text-align: center;
}
.login-bg {
width: 100%;
height: 100%;
position: fixed;
top: 0px;
left: 0px;
background: #000000;
filter: alpha(opacity=30);
-moz-opacity: 0.3;
-khtml-opacity: 0.3;
opacity: 0.3;
display: none;
}
a {
text-decoration: none;
color: #000000;
}
.login-button a {
display: block;
}
.login-input input.list-input {
float: left;
line-height: 35px;
height: 35px;
width: 350px;
border: #ebebeb 1px solid;
text-indent: 5px;
}
.login-input {
overflow: hidden;
margin: 0px 0px 20px 0px;
}
.login-input label {
float: left;
width: 90px;
padding-right: 10px;
text-align: right;
line-height: 35px;
height: 35px;
font-size: 14px;
}
.login-title span {
position: absolute;
font-size: 12px;
right: -20px;
top: -30px;
background: #ffffff;
border: #ebebeb solid 1px;
width: 40px;
height: 40px;
border-radius: 20px;
}
</style>
<body>
<div class="login-header"><a id="link" href="javascript:void(0);">点击，弹出登录框</a></div>
<div id="login" class="login">
<div id="title" class="login-title">登录会员
<span><a id="closeBtn" href="javascript:void(0);" class="close-login">关闭</a></span>
</div>
<div class="login-input-content">
<div class="login-input">
<label>用户名：</label>
<input type="text" placeholder="请输入用户名" name="info[username]" id="username" class="list-input">
</div>
<div class="login-input">
<label>登录密码：</label>
<input type="password" placeholder="请输入登录密码" name="info[password]" id="password" class="list-input">
</div>
</div>
<div id="loginBtn" class="login-button"><a href="javascript:void(0);" id="login-button-submit">登录会员</a></div>
</div>
<!-- 遮盖层 -->
<div id="bg" class="login-bg"></div>
<script src="common.js"></script>
<script>
var link = document.getElementById('link');
var login = document.getElementById('login');
var id = document.getElementById('bg');
var closeBtn = document.getElementById('closeBtn');
var title = document.getElementById('title');
// 给link注册点击事件
link.onclick = function () {
bg.style.display = 'block';
login.style.display = 'block';
return false;
}
// 鼠标拖拽盒子移动
title.onmousedown = function (e) {
e = e || window.event;
// 获取鼠标的坐标
var pageX = getPage(e).pageX;
var pageY = getPage(e).pageY;
// 鼠标在盒子中的位置 = 鼠标的位置 - 盒子的位置
var x = pageX - login.offsetLeft;
var y = pageY - login.offsetTop;
document.onmousemove = function (e) {
e = e || window.event;
// 盒子的位置 = 鼠标的位置 - 鼠标在盒子中位置
var boxX = getPage(e).pageX - x;
var boxY = getPage(e).pageY - y;
// 样式中有margin-left和margin-top的值，需要补回来
login.style.left = boxX + 256 + 'px';
login.style.top = boxY - 140 + 'px';
}
document.onmouseup = function () {
document.onmousemove = null;
}
}
// 关闭弹层
closeBtn.onclick = function () {
bg.style.display = 'none';
login.style.display = 'none';
}
</script>
</body>
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