仿QQ的点击链接弹出提示层的效果

时间：2012-09-02 20:22 来源：互联网作者：后浪浏览：次收藏挑错推荐打印

<html>
<head>
<title>仿QQ下载的链接提示效果</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
<style type="text/css">
html,body {font-size:12px;}
img {border:none}
a {color:#4d5d2c;text-decoration:underline;cursor:pointer;}
.pointer {cursor:pointer;}
.right {float:right}
.right img{margin:0 0 0 6px}
.infobar {background:#fff9e3;border:1px solid #fadc80;color:#743e04;margin-bottom:10px;padding:8px 20px 4px 20px;}
</style>
<script type="text/javascript">
function S(i) { return document.getElementById(i); }
function download( evt, fid){
    var _event = evt ? evt : event;
    var _target = evt ? evt.target : event.srcElement;
    var _p = S( "downloadPanel" );
    _p.style.top = _event.clientY + document.body.scrollTop ;
    _p.style.left = ( _event.clientX + document.body.scrollLeft < 160 ? _event.clientX + document.body.scrollLeft + 10 : _event.clientX + document.body.scrollLeft - 120 );
    Show( "downloadPanel" , true );    
    _p.focus();
}
function Show(obj, bShow) {
    obj = (typeof(obj) == "string" ? S(obj) : obj);
    if (obj) obj.style.display= (bShow ? "" : "none");
}
function hideDownloadPanel( evt ){
    Show( "downloadPanel" ,false);    
}
function checkClick(evt){
    var _target = evt ? evt.target : event.srcElement ;
    var _id = _target.id;
    if( _id == "" ){
        _id = _target.parentNode.id;
    }
    if( _id !="downloadDirect" && _id != "downloadAgent" && _id != "downloadPanel" && _id.indexOf( "downloadFile_" ) < 0 && _id.indexOf( "downloadLink_" ) < 0 ){
        Show( "downloadPanel" , false );
    }
}
window.onload = function(){
    document.body.onclick=checkClick;
}
</script>
</head>
<body>

<div id="downloadPanel" style="position:absolute;top:0px;left:0px;width:160px;z-index:999;padding:6px 2px 6px 10px;border:1px solid #fb7;display:none;" class="infobar">
    <img src="http://www.codefans.net/jscss/demoimg/200903/j_ico.gif" class="right pointer" onclick="hideDownloadPanel();" title="关闭" />
    <div class="">下载方式：</div>
    <div style="padding:6px 0 0 0;"><a id="downloadDirect">直接下载</a><a id="downloadAgent" style="cursor:pointer;text-decoration:underline;" title="QQ旋风下载" >使用旋风下载</a><span class="addrtitle" style="display:none;" id="downloadQQDownload">安装<a href="/" target="_blank" onclick="alert('安装超级旋风后，重新启动浏览器即可使用旋风进行下载。');" title="您还未安装超级旋风下载软件，点击这里下载安装。">旋风</a>下载</span></div>
    <div class="addrtitle" style="padding:6px 0 0 0;">
    (提取码：<span id="downloadCode">iur2ko3</span>)
    </div>
</div>
<a id="downloadLink_001" title="" onclick="download( event, 'downloadLink' );">下载</a>
</body>
</html>

仿QQ的点击链接弹出提示层的效果

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