jquery制作居中遮罩层效果分享

时间：2021-05-26

复制代码 代码如下:
<!DOCTYPE HTML>
<html lang=zh-cn>
<head>
<meta charset=utf-8>
<title>遮罩演练</title>
<link href="../css/component2.css" rel="Stylesheet"/>
<script src="../js/jquery-1.11.0.min.js"></script>
<script src="../js/shadow.js"></script>
</head>
<body>
<div class="left-container layout-container">
<ul class="topic-title">
<li>
<span class="fun">++++</span>
</li>
</ul>
</div>
<div class="right-container layout-container">

</div>
<div style="display:none">
<div class="topic-input-div" id="content-container-templet">
<ul class="topic-input-ul">
<li class="input-li"><input type="text" style="width: 100%;line-height: 2em" placeholder="请输入标题"/></li>
<li class="btn-li"><button class="sure">确定</button></li>
<li class="btn-li"><button class="cancel">取消</button></li>
</ul>
</div>
</div>
</body>
<script type="text/javascript">
$(document).ready(function(){
$('.fun').on('click',function(){
console.log('fun click');
showAddTopic(function(val){
console.log(val);
});
});
});
</script>
</html>

shadow.js
复制代码 代码如下:
shadow_list=[];
function showAddTopic(cb){
var input_container=$('#content-container-templet').clone();
input_container.removeAttr('id');
var shadow=$('<div />').addClass('shadow-wrapper').append(input_container);
shadow.appendTo(document.body);
shadow_list.push(shadow);
$('.sure',shadow).on('click',function(){
var val=$('.input-li input',shadow).val();
cb(val);
hideAddTopic();
});
$('.cancel',shadow).on('click',function(){
hideAddTopic();
});
}

function hideAddTopic(){
if(shadow_list.length>0){
var shadow=shadow_list.pop();
shadow.remove();
}
}

component2.css
复制代码 代码如下:
html,body{
padding:0px;
margin: 0px;
width: 100%;
height: 100%;
overflow:hidden;
}
ul,li{
padding:0px;
margin: 0px;
list-style:none;
}
input,textarea{
vertical-align:middle;
border:none;
}
.layout-container{
position:absolute;
top:0px;
height:100%;
overflow:auto;
}
.left-container{
left: 0px;
width:20%;
border:solid 5px #52BE7F;
}
.right-container{
right:0px;
width:80%;
}
.shadow-wrapper{
position: absolute;
width:100%;
height: 100%;
}
.topic-title li span{
height:30px;
line-height:30px;
vertical-align:middle;
}
.topic-title .fun{
float:right;
}
.topic-input-div{
position: absolute;
left: 50%;
top:50%;
height:200px;
width: 400px;
margin-top:-120px ;
margin-left:-210px;
padding:20px 10px;
}
.topic-input-ul{
vertical-align: middle;
position:absolute;
width:380px;
height:2em;
left: 50%;
top:50%;
margin-top: -1em;
margin-left: -190px;
}
.topic-input-ul li{
line-height: 2em;

display:inline-block;
*display:inline;
}
.topic-input-ul .input-li{
width:40%;
}
.topic-input-ul .btn-li{
width: 15%;
}

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