【荐】JS+CSS实现的漂亮圆角可拖拽的弹出框

<title>【荐】JS+CSS实现的漂亮圆角可拖拽的弹出框_网页代码站(www.webdm.cn)</title>
<style>
body{
    margin:0px;
    padding:0px;
    font-size:14px;
}
#t    {
    position:absolute;
    float:left;
    left:0px;
    top:0px;
}
#a    {
    float:left;
}
.al    {
    opacity: 0.80;
    filter : progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=80,finishOpacity=100);
}
.al2{
    opacity: 0.00;
    filter : progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0,finishOpacity=100);
}
U {
    DISPLAY: block;
    OVERFLOW: hidden;
    HEIGHT: 1px
}
U.f1 {
    background-color:#5cc;
    BACKGROUND: #5cc;
    MARGIN: 0px 3px
}
U.f2 {
    background-color:#5cc;
    BORDER-RIGHT: #5cc 2px solid;
    MARGIN: 0px 1px;
    BORDER-LEFT: #5cc 2px solid
}
U.f3 {
    background-color:#5cc;
    BORDER-RIGHT: #5cc 1px solid;
    MARGIN: 0px 1px;
    BORDER-LEFT: #5cc 1px solid
}
.d_top{
    clear:both;
    overflow:hidden;
    background-color:#5cc;
    height:29px;
    vertical-align:bottom;
}
.d_top a{
    float:right;
    margin-top:5px;
    margin-right:13px;
    padding-top:3px;
    18px;
    color:red;
    background-color:#789;
    text-decoration:none;
    font-weight:bold;
    text-align:center;
    vertical-align:middle;
}
.d_top span{
    float:left;
    font-size:13px;
    margin-left:15px;
    margin-top:8px;
   
}
.d_body {
    BORDER-RIGHT: #5cc 3px solid;
    BORDER-LEFT: #5cc 3px solid;
    padding:10px;
    height:200px;
    background-color:#fff;
}
.d_foot{
    clear:both;
    overflow:hidden;
    background-color:#5cc;
    height:2px;
}
</style>
<script type="text/javascript">
    function $(id){return document.getElementById(id);}
    function show(id){
        var t = $(id);
        t.style.width=document.body.clientWidth;
        t.style.height=document.body.clientHeight;
        window.onresize=function(){
            t.style.width=document.body.clientWidth;
            t.style.height=document.body.clientHeight;
        }
        $(id).style.display="";
    }
    function cl(id){
        $(id).style.display="none";
    }
   
function moveEvent(e,id){
    var isIE = (document.all)?true:false;
    drag = true;
    xx=isIE?event.x:e.pageX;
    yy=isIE?event.y:e.pageY;
    L = document.getElementById(id).offsetLeft;
    T = document.getElementById(id).offsetTop;
    document.onmousemove = function(e) {
        if (drag) {
            x=isIE?event.x:e.pageX;        if(x<0)x=0;
            y=isIE?event.y:e.pageY;        if(y<0)y=0;
            document.getElementById(id).style.left = L-xx+x;
            document.getElementById(id).style.top  = T-yy+y;
        }
    }
    document.onmouseup=function(){
        drag = false;
    }
}
window.onscroll=function(){
    $("back_div").style.width=document.body.scrollWidth;
    $("back_div").style.height=document.body.scrollHeight;
}
</script>
<body>
    <div id="a" style="position:absolute; left:300px; top:200px;">
        <a href="javascript:" onClick="show('t')">点这里哦!</a>    </div>
   
    <div id="t" style="display:none;">
        <div style="100%;height:100%; z-index:-1; position:absolute; float:left; background-color:#555;overflow:hidden;" class="al" id="back_div">
        <iframe style="position:absolute; left:0px; top:0px; left:0px; bottom:0px; float:left; z-index:-1; margin:0px; padding:0px;" frameborder="0" scrolling="no" width="100%" height="2000px;" class="al2" id="ifr"></iframe>
        </div>
        <DIV style="WIDTH: 500px; position:absolute;float:left;top:25%; left:30%; z-index:999; clear:both; overflow:hidden;" id="t_div">
            <iframe style="position:absolute; left:0px; top:0px; left:0px; bottom:0px; float:left; z-index:-1; margin:0px; padding:0px;" frameborder="0" scrolling="no" width="100%" height="2000px;" class="al2" id="ifr"></iframe>
            <U class="f1"></U><U class="f2"></U><U class="f3"></U>
            <div class="d_top" onMouseDown="moveEvent(event,'t_div')">
                <span>欢迎光临</span>
                <a href="javascript:" onClick="cl('t')">×</a>
            </div>
            <DIV class="d_body" >网页代码站 - 最专业的网页代码下载网站 - 致力为中国站长提供有质量的网页代码!
            </DIV>
            <div class="d_foot"></div>
            <U class="f3"></U><U class="f2"></U><U class="f1"></U>
        </DIV>
    </div>
<br />
<p><a href="http://www.webdm.cn">网页代码站</a> - 最专业的网页代码下载网站 - 致力为中国站长提供有质量的网页代码!</p>
</body>

代码链接:http://www.webdm.cn/webcode/96ed0a82-04ba-4dfa-a5f0-fc62670e8a2c.html

原文地址:https://www.cnblogs.com/pansly/p/2078768.html