jquery制作居中遮罩层效果分享

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


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


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%;
   }