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js动画效果打开层关闭层

发布：dxy 字体：[增加减小] 类型：转载

js模拟弹窗效果代码，用层实现提示效果代码

点击运行可以看到效果:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>DOM_text01</title> 
<style type="text/css"> 
body,span,div,td{font-size:12px;line-height:1.5em;color:#849BCA;} 
#bodyL{ 
    float:left; 
    width:84px; 
    margin-right:2px; 
} 
a.od{ 
    width:80px; 
    height:25px; 
    line-height:25px; 
    text-align:center; 
    font-weight:bold; 
    border: 2px solid #849BCA;     
    display:block; 
    color:#547BC9; 
    float:left; 
    text-decoration:none; 
    margin-top:2px; 
} 
a.od:link{ 
    background:#EEF1F8; 
} 
a.od:visited{ 
    background:#EEF1F8; 
} 
a.od:hover{ 
    background:#EEE; 
} 
a.od:active{ 
    background:#EEE; 
} 
#fd{     
    width:500px; 
    height:200px; 
    background:#EDF1F8;     
    border: 2px solid #849BCA; 
    margin-top:2px; 
    margin-left:2px; 
    float:left; 
    overflow:hidden; 
    position:absolute; 
    left:0px; 
    top:0px; 
    cursor:move; 
    float:left; 
    /*filter:alpha(opacity=50);*/ 
     
} 
.content{ 
    padding:10px; 
} 
</style> 
</head> 
<body> 
<div id="bodyL"> 
    <a href="#" class="od" onclick = "show('fd');return false;"> 
        [打开层] 
    </a> 
    <a href="#" class="od" onclick = "closeed('fd');return false;"> 
        [关闭层] 
    </a> 
</div>     
<div id="fd" style="display:none;filter:alpha(opacity=100);opacity:1;"> 
    <div class="content">移动层</div>     
</div> 
     
<script type="text/javascript"> 
    var prox; 
    var proy; 
    var proxc; 
    var proyc; 
    function show(id){/*--打开--*/ 
        clearInterval(prox); 
        clearInterval(proy); 
        clearInterval(proxc); 
        clearInterval(proyc); 
        var o = document.getElementById(id); 
        o.style.display = "block"; 
        o.style.width = "1px"; 
        o.style.height = "1px";  
        prox = setInterval(function(){openx(o,500)},10); 
    }     
    function openx(o,x){/*--打开x--*/ 
        var cx = parseInt(o.style.width); 
        if(cx < x) 
        { 
            o.style.width = (cx + Math.ceil((x-cx)/5)) +"px"; 
        } 
        else 
        { 
            clearInterval(prox); 
            proy = setInterval(function(){openy(o,200)},10); 
        } 
    }     
    function openy(o,y){/*--打开y--*/     
        var cy = parseInt(o.style.height); 
        if(cy < y) 
        { 
            o.style.height = (cy + Math.ceil((y-cy)/5)) +"px"; 
        } 
        else 
        { 
            clearInterval(proy);             
        } 
    }     
    function closeed(id){/*--关闭--*/ 
        clearInterval(prox); 
        clearInterval(proy); 
        clearInterval(proxc); 
        clearInterval(proyc);         
        var o = document.getElementById(id); 
        if(o.style.display == "block") 
        { 
            proyc = setInterval(function(){closey(o)},10);             
        }         
    }     
    function closey(o){/*--打开y--*/     
        var cy = parseInt(o.style.height); 
        if(cy > 0) 
        { 
            o.style.height = (cy - Math.ceil(cy/5)) +"px"; 
        } 
        else 
        { 
            clearInterval(proyc);                 
            proxc = setInterval(function(){closex(o)},10); 
        } 
    }     
    function closex(o){/*--打开x--*/ 
        var cx = parseInt(o.style.width); 
        if(cx > 0) 
        { 
            o.style.width = (cx - Math.ceil(cx/5)) +"px"; 
        } 
        else 
        { 
            clearInterval(proxc); 
            o.style.display = "none"; 
        } 
    }     
     
     
    /*-------------------------鼠标拖动---------------------*/     
    var od = document.getElementById("fd");     
    var dx,dy,mx,my,mouseD; 
    var odrag; 
    var isIE = document.all ? true : false; 
    document.onmousedown = function(e){ 
        var e = e ? e : event; 
        if(e.button == (document.all ? 1 : 0)) 
        { 
            mouseD = true;             
        } 
    } 
    document.onmouseup = function(){ 
        mouseD = false; 
        odrag = ""; 
        if(isIE) 
        { 
            od.releaseCapture(); 
            od.filters.alpha.opacity = 100; 
        } 
        else 
        { 
            window.releaseEvents(od.MOUSEMOVE); 
            od.style.opacity = 1; 
        }         
    } 
     
     
    //function readyMove(e){     
    od.onmousedown = function(e){ 
        odrag = this; 
        var e = e ? e : event; 
        if(e.button == (document.all ? 1 : 0)) 
        { 
            mx = e.clientX; 
            my = e.clientY; 
            od.style.left = od.offsetLeft + "px"; 
            od.style.top = od.offsetTop + "px"; 
            if(isIE) 
            { 
                od.setCapture();                 
                od.filters.alpha.opacity = 50; 
            } 
            else 
            { 
                window.captureEvents(Event.MOUSEMOVE); 
                od.style.opacity = 0.5; 
            } 
             
            //alert(mx); 
            //alert(my); 
             
        }  
    } 
    document.onmousemove = function(e){ 
        var e = e ? e : event; 
         
        //alert(mrx); 
        //alert(e.button);         
        if(mouseD==true && odrag) 
        {         
            var mrx = e.clientX - mx; 
            var mry = e.clientY - my;     
            od.style.left = parseInt(od.style.left) +mrx + "px"; 
            od.style.top = parseInt(od.style.top) + mry + "px";             
            mx = e.clientX; 
            my = e.clientY; 
             
        } 
    } 
     
     
</script> 
</body> 
</html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

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